Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * gpio.c: |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 3 | * Swiss-Army-Knife, Set-UID command-line interface to the Raspberry |
| 4 | * Pi's GPIO. |
Gordon Henderson | e687f3f | 2017-01-24 12:13:39 +0000 | [diff] [blame] | 5 | * Copyright (c) 2012-2017 Gordon Henderson |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 6 | *********************************************************************** |
| 7 | * This file is part of wiringPi: |
| 8 | * https://projects.drogon.net/raspberry-pi/wiringpi/ |
| 9 | * |
| 10 | * wiringPi is free software: you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU Lesser General Public License as published by |
| 12 | * the Free Software Foundation, either version 3 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * wiringPi is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU Lesser General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU Lesser General Public License |
| 21 | * along with wiringPi. If not, see <http://www.gnu.org/licenses/>. |
| 22 | *********************************************************************** |
| 23 | */ |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <stdint.h> |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 27 | #include <ctype.h> |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 28 | #include <string.h> |
| 29 | #include <unistd.h> |
| 30 | #include <errno.h> |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 31 | #include <fcntl.h> |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 32 | #include <sys/types.h> |
| 33 | #include <sys/stat.h> |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 34 | |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 35 | #include <wiringPi.h> |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 36 | #include <wpiExtensions.h> |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 37 | |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 38 | #include <gertboard.h> |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 39 | #include <piFace.h> |
| 40 | |
Gordon Henderson | e687f3f | 2017-01-24 12:13:39 +0000 | [diff] [blame] | 41 | #include "../version.h" |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 42 | |
Gordon Henderson | 13bbba7 | 2013-01-14 11:31:56 +0000 | [diff] [blame] | 43 | extern int wiringPiDebug ; |
| 44 | |
Gordon Henderson | 05e2f67 | 2014-05-20 11:43:07 +0100 | [diff] [blame] | 45 | // External functions I can't be bothered creating a separate .h file for: |
| 46 | |
Gordon Henderson | 2769876 | 2013-06-27 21:51:55 +0100 | [diff] [blame] | 47 | extern void doReadall (void) ; |
Gordon Henderson | b0a60c3 | 2016-02-29 06:57:38 +0000 | [diff] [blame] | 48 | extern void doAllReadall (void) ; |
Gordon Henderson | 05e2f67 | 2014-05-20 11:43:07 +0100 | [diff] [blame] | 49 | extern void doPins (void) ; |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 50 | extern void doUnexport (int argc, char *agrv []); |
Gordon Henderson | 05e2f67 | 2014-05-20 11:43:07 +0100 | [diff] [blame] | 51 | |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 52 | #ifndef TRUE |
| 53 | # define TRUE (1==1) |
| 54 | # define FALSE (1==2) |
| 55 | #endif |
| 56 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 57 | #define PI_USB_POWER_CONTROL 38 |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 58 | #define I2CDETECT "i2cdetect" |
| 59 | #define MODPROBE "modprobe" |
| 60 | #define RMMOD "rmmod" |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 61 | |
Gordon Henderson | 2769876 | 2013-06-27 21:51:55 +0100 | [diff] [blame] | 62 | int wpMode ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 63 | |
| 64 | char *usage = "Usage: gpio -v\n" |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 65 | " gpio -h\n" |
| 66 | " gpio [-g|-1] ...\n" |
| 67 | " gpio [-d] ...\n" |
| 68 | " [-x extension:params] [[ -x ...]] ...\n" |
| 69 | " gpio [-p] <read/write/wb> ...\n" |
| 70 | " gpio <read/write/aread/awritewb/pwm/clock/mode> ...\n" |
| 71 | " gpio <toggle/blink> <pin>\n" |
| 72 | " gpio readall/reset\n" |
| 73 | " gpio unexportall/exports\n" |
| 74 | " gpio export/edge/unexport ...\n" |
| 75 | " gpio wfi <pin> <mode>\n" |
| 76 | " gpio drive <pin> <value>\n" |
| 77 | " gpio pwm-bal/pwm-ms \n" |
| 78 | " gpio pwmr <range> \n" |
| 79 | " gpio pwmc <divider> \n" |
| 80 | " gpio load spi/i2c\n" |
| 81 | " gpio unload spi/i2c\n" |
| 82 | " gpio i2cd/i2cdetect\n" |
| 83 | " gpio rbx/rbd\n" |
| 84 | " gpio wb <value>\n" |
| 85 | " gpio usbp high/low\n" |
| 86 | " gpio gbr <channel>\n" |
| 87 | " gpio gbw <channel> <value>" ; // No trailing newline needed here. |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 88 | |
| 89 | |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 90 | #ifdef NOT_FOR_NOW |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 91 | /* |
Gordon Henderson | f18c8f7 | 2013-08-03 23:53:35 +0100 | [diff] [blame] | 92 | * decodePin: |
| 93 | * Decode a pin "number" which can actually be a pin name to represent |
| 94 | * one of the Pi's on-board pins. |
| 95 | ********************************************************************************* |
| 96 | */ |
Gordon Henderson | f18c8f7 | 2013-08-03 23:53:35 +0100 | [diff] [blame] | 97 | static int decodePin (const char *str) |
| 98 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 99 | // The first case - see if it's a number: |
| 100 | if (isdigit (str [0])) |
| 101 | return atoi (str) ; |
Gordon Henderson | f18c8f7 | 2013-08-03 23:53:35 +0100 | [diff] [blame] | 102 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 103 | return 0 ; |
Gordon Henderson | f18c8f7 | 2013-08-03 23:53:35 +0100 | [diff] [blame] | 104 | } |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 105 | #endif |
Gordon Henderson | f18c8f7 | 2013-08-03 23:53:35 +0100 | [diff] [blame] | 106 | |
| 107 | |
| 108 | /* |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 109 | * findExecutable: |
| 110 | * Code to locate the path to the given executable. We have a fixed list |
| 111 | * of locations to try which completely overrides any $PATH environment. |
| 112 | * This may be detrimental, however it avoids the reliance on $PATH |
| 113 | * which may be a security issue when this program is run a set-uid-root. |
| 114 | ********************************************************************************* |
| 115 | */ |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 116 | static const char *searchPath [] = |
| 117 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 118 | "/sbin", |
| 119 | "/usr/sbin", |
| 120 | "/bin", |
| 121 | "/usr/bin", |
| 122 | NULL, |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 123 | } ; |
| 124 | |
| 125 | static char *findExecutable (const char *progName) |
| 126 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 127 | static char *path = NULL ; |
| 128 | int len = strlen (progName) ; |
| 129 | int i = 0 ; |
| 130 | struct stat statBuf ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 131 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 132 | for (i = 0 ; searchPath [i] != NULL ; ++i) { |
| 133 | path = malloc (strlen (searchPath [i]) + len + 2) ; |
| 134 | sprintf (path, "%s/%s", searchPath [i], progName) ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 135 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 136 | if (stat (path, &statBuf) == 0) |
| 137 | return path ; |
| 138 | free (path) ; |
| 139 | } |
| 140 | return NULL ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | |
| 144 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 145 | * changeOwner: |
| 146 | * Change the ownership of the file to the real userId of the calling |
| 147 | * program so we can access it. |
| 148 | ********************************************************************************* |
| 149 | */ |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 150 | static void changeOwner (char *cmd, char *file) |
| 151 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 152 | uid_t uid = getuid () ; |
| 153 | uid_t gid = getgid () ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 154 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 155 | if (chown (file, uid, gid) != 0) { |
| 156 | // Removed (ignoring) the check for not existing as I'm fed-up with morons telling me that |
| 157 | // the warning message is an error. |
| 158 | if (errno != ENOENT) |
| 159 | fprintf (stderr, "%s: Unable to change ownership of %s: %s\n", |
| 160 | cmd, file, strerror (errno)) ; |
| 161 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 162 | } |
| 163 | |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 164 | /* |
| 165 | * doLoad: |
| 166 | * Load either the spi or i2c modules and change device ownerships, etc. |
| 167 | ********************************************************************************* |
| 168 | */ |
Gordon Henderson | f6c40cb | 2015-09-24 22:35:31 +0100 | [diff] [blame] | 169 | static void checkDevTree (char *argv []) |
| 170 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 171 | struct stat statBuf ; |
Gordon Henderson | f6c40cb | 2015-09-24 22:35:31 +0100 | [diff] [blame] | 172 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 173 | // We're on a devtree system ... |
| 174 | if (stat ("/proc/device-tree", &statBuf) == 0) { |
| 175 | fprintf (stderr, |
| 176 | "%s: Unable to load/unload modules as this kernel has the device tree enabled.\n" |
| 177 | " You need to edit /etc/modprobe.d/blacklist-odroid.conf or update /media/models.dts file.\n" |
| 178 | " If you want to use SPI, you should find out spidev module line at the blacklist-odroid.conf\n" |
| 179 | " and uncomment that. Then reboot to enable the module.\n\n" |
| 180 | " Please refer to our wiki page:\n" |
| 181 | " https://wiki.odroid.com/start\n", argv [0]) ; |
| 182 | exit (1) ; |
| 183 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 184 | } |
| 185 | |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 186 | static void doLoad (int UNU argc, char *argv []) |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 187 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 188 | checkDevTree (argv) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | |
Gordon Henderson | 183c5a6 | 2012-10-21 15:25:16 +0100 | [diff] [blame] | 192 | /* |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 193 | * doUnLoad: |
| 194 | * Un-Load either the spi or i2c modules and change device ownerships, etc. |
| 195 | ********************************************************************************* |
| 196 | */ |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 197 | static void doUnLoad (int UNU argc, char *argv []) |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 198 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 199 | checkDevTree (argv) ; |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 200 | } |
| 201 | |
| 202 | |
| 203 | /* |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 204 | * doI2Cdetect: |
| 205 | * Run the i2cdetect command with the right runes for this Pi revision |
| 206 | ********************************************************************************* |
| 207 | */ |
Gordon Henderson | e687f3f | 2017-01-24 12:13:39 +0000 | [diff] [blame] | 208 | static void doI2Cdetect (UNU int argc, char *argv []) |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 209 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 210 | int model, rev, mem, maker, overVolted, port; |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 211 | char *c, *command ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 212 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 213 | piBoardId(&model, &rev, &mem, &maker, &overVolted); |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 214 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 215 | switch (model) { |
| 216 | case MODEL_ODROID_C1: case MODEL_ODROID_C2: |
| 217 | case MODEL_ODROID_XU3: |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 218 | port = 1; |
| 219 | break; |
| 220 | case MODEL_ODROID_N1: |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 221 | port = 4; |
| 222 | break; |
| 223 | case MODEL_ODROID_N2: |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 224 | port = 3; |
| 225 | default: |
| 226 | break; |
| 227 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 228 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 229 | if ((c = findExecutable (I2CDETECT)) == NULL) { |
| 230 | fprintf (stderr, "%s: Unable to find i2cdetect command: %s\n", argv [0], strerror (errno)) ; |
| 231 | return ; |
| 232 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 233 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 234 | switch (maker) { |
| 235 | case MAKER_AMLOGIC: |
| 236 | if (!moduleLoaded (AML_MODULE_I2C)) { |
| 237 | fprintf (stderr, "%s: The I2C kernel module(s) are not loaded.\n", argv [0]) ; |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 238 | } |
| 239 | default: |
| 240 | break; |
| 241 | } |
| 242 | |
| 243 | command = malloc (strlen (c) + 16) ; |
| 244 | sprintf (command, "%s -y %d", c, port) ; |
| 245 | if (system (command) < 0) |
| 246 | fprintf (stderr, "%s: Unable to run i2cdetect: %s\n", argv [0], strerror (errno)) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | |
| 250 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 251 | * doExports: |
| 252 | * List all GPIO exports |
| 253 | ********************************************************************************* |
| 254 | */ |
Gordon Henderson | e687f3f | 2017-01-24 12:13:39 +0000 | [diff] [blame] | 255 | static void doExports (UNU int argc, UNU char *argv []) |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 256 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 257 | int fd ; |
| 258 | int i, l, first ; |
| 259 | char fName [128] ; |
| 260 | char buf [16] ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 261 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 262 | // Crude, but effective |
| 263 | for (first = 0, i = 0 ; i < 256 ; ++i) { |
| 264 | // Try to read the direction |
| 265 | sprintf (fName, "/sys/class/gpio/gpio%d/direction", i) ; |
| 266 | if ((fd = open (fName, O_RDONLY)) == -1) |
| 267 | continue ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 268 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 269 | if (first == 0) { |
| 270 | ++first ; |
| 271 | printf ("GPIO Pins exported:\n") ; |
| 272 | } |
| 273 | printf ("%4d: ", i) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 274 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 275 | if ((l = read (fd, buf, 16)) == 0) |
| 276 | sprintf (buf, "%s", "?") ; |
Joshua Yang | 6e7a6e6 | 2019-07-09 15:57:26 +0900 | [diff] [blame^] | 277 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 278 | buf [l] = 0 ; |
| 279 | if ((buf [strlen (buf) - 1]) == '\n') |
| 280 | buf [strlen (buf) - 1] = 0 ; |
| 281 | printf ("%-3s", buf) ; |
| 282 | close (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 283 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 284 | // Try to Read the value |
| 285 | sprintf (fName, "/sys/class/gpio/gpio%d/value", i) ; |
| 286 | if ((fd = open (fName, O_RDONLY)) == -1) { |
| 287 | printf ("No Value file (huh?)\n") ; |
| 288 | continue ; |
| 289 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 290 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 291 | if ((l = read (fd, buf, 16)) == 0) |
| 292 | sprintf (buf, "%s", "?") ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 293 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 294 | buf [l] = 0 ; |
| 295 | if ((buf [strlen (buf) - 1]) == '\n') |
| 296 | buf [strlen (buf) - 1] = 0 ; |
| 297 | printf (" %s", buf) ; |
| 298 | close (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 299 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 300 | // Read any edge trigger file |
| 301 | sprintf (fName, "/sys/class/gpio/gpio%d/edge", i) ; |
| 302 | if ((fd = open (fName, O_RDONLY)) == -1) { |
| 303 | printf ("\n") ; |
| 304 | continue ; |
| 305 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 306 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 307 | if ((l = read (fd, buf, 16)) == 0) |
| 308 | sprintf (buf, "%s", "?") ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 309 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 310 | buf [l] = 0 ; |
| 311 | if ((buf [strlen (buf) - 1]) == '\n') |
| 312 | buf [strlen (buf) - 1] = 0 ; |
| 313 | printf (" %-8s\n", buf) ; |
| 314 | close (fd) ; |
| 315 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | |
| 319 | /* |
| 320 | * doExport: |
| 321 | * gpio export pin mode |
| 322 | * This uses the /sys/class/gpio device interface. |
| 323 | ********************************************************************************* |
| 324 | */ |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 325 | void doExport (int argc, char *argv []) |
| 326 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 327 | FILE *fd ; |
| 328 | int pin ; |
| 329 | char *mode ; |
| 330 | char fName [128] ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 331 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 332 | if (argc != 4) { |
| 333 | fprintf (stderr, "Usage: %s export pin mode\n", argv [0]) ; |
| 334 | exit (1) ; |
| 335 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 336 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 337 | pin = atoi (argv [2]) ; |
| 338 | mode = argv [3] ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 339 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 340 | if ((fd = fopen ("/sys/class/gpio/export", "w")) == NULL) { |
| 341 | fprintf (stderr, "%s: Unable to open GPIO export interface: %s\n", argv [0], strerror (errno)) ; |
| 342 | exit (1) ; |
| 343 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 344 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 345 | fprintf (fd, "%d\n", pin) ; |
| 346 | fclose (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 347 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 348 | sprintf (fName, "/sys/class/gpio/gpio%d/direction", pin) ; |
| 349 | if ((fd = fopen (fName, "w")) == NULL) { |
| 350 | fprintf (stderr, "%s: Unable to open GPIO direction interface for pin %d: %s\n", argv [0], pin, strerror (errno)) ; |
| 351 | exit (1) ; |
| 352 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 353 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 354 | if ((strcasecmp (mode, "in") == 0) || (strcasecmp (mode, "input") == 0)) |
| 355 | fprintf (fd, "in\n") ; |
| 356 | else if ((strcasecmp (mode, "out") == 0) || (strcasecmp (mode, "output") == 0)) |
| 357 | fprintf (fd, "out\n") ; |
| 358 | else if ((strcasecmp (mode, "high") == 0) || (strcasecmp (mode, "up") == 0)) |
| 359 | fprintf (fd, "high\n") ; |
| 360 | else if ((strcasecmp (mode, "low") == 0) || (strcasecmp (mode, "down") == 0)) |
| 361 | fprintf (fd, "low\n") ; |
| 362 | else { |
| 363 | fprintf (stderr, "%s: Invalid mode: %s. Should be in, out, high or low\n", argv [1], mode) ; |
| 364 | exit (1) ; |
| 365 | } |
| 366 | fclose (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 367 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 368 | // Change ownership so the current user can actually use it |
| 369 | sprintf (fName, "/sys/class/gpio/gpio%d/value", pin) ; |
| 370 | changeOwner (argv [0], fName) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 371 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 372 | sprintf (fName, "/sys/class/gpio/gpio%d/edge", pin) ; |
| 373 | changeOwner (argv [0], fName) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | |
| 377 | /* |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 378 | * doWfi: |
| 379 | * gpio wfi pin mode |
| 380 | * Wait for Interrupt on a given pin. |
| 381 | * Slight cheat here - it's easier to actually use ISR now (which calls |
| 382 | * gpio to set the pin modes!) then we simply sleep, and expect the thread |
| 383 | * to exit the program. Crude but effective. |
| 384 | ********************************************************************************* |
| 385 | */ |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 386 | static void wfi (void) { exit (0) ; } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 387 | |
| 388 | void doWfi (int argc, char *argv []) |
| 389 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 390 | int pin, mode ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 391 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 392 | if (argc != 4) { |
| 393 | fprintf (stderr, "Usage: %s wfi pin mode\n", argv [0]) ; |
| 394 | exit (1) ; |
| 395 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 396 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 397 | pin = atoi (argv [2]) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 398 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 399 | if (strcasecmp (argv [3], "rising") == 0) mode = INT_EDGE_RISING ; |
| 400 | else if (strcasecmp (argv [3], "falling") == 0) mode = INT_EDGE_FALLING ; |
| 401 | else if (strcasecmp (argv [3], "both") == 0) mode = INT_EDGE_BOTH ; |
| 402 | else { |
| 403 | fprintf (stderr, "%s: wfi: Invalid mode: %s. Should be rising, falling or both\n", argv [1], argv [3]) ; |
| 404 | exit (1) ; |
| 405 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 406 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 407 | if (wiringPiISR (pin, mode, &wfi) < 0) { |
| 408 | fprintf (stderr, "%s: wfi: Unable to setup ISR: %s\n", argv [1], strerror (errno)) ; |
| 409 | exit (1) ; |
| 410 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 411 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 412 | for (;;) |
| 413 | delay (9999) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 417 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 418 | * doEdge: |
| 419 | * gpio edge pin mode |
| 420 | * Easy access to changing the edge trigger on a GPIO pin |
| 421 | * This uses the /sys/class/gpio device interface. |
| 422 | ********************************************************************************* |
| 423 | */ |
| 424 | |
| 425 | void doEdge (int argc, char *argv []) |
| 426 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 427 | FILE *fd ; |
| 428 | int pin ; |
| 429 | char *mode ; |
| 430 | char fName [128] ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 431 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 432 | // Reset gpio sysfs |
| 433 | doUnexport(3, argv); |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 434 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 435 | if (argc != 4) { |
| 436 | fprintf (stderr, "Usage: %s edge pin mode\n", argv [0]) ; |
| 437 | exit (1) ; |
| 438 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 439 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 440 | pin = atoi (argv [2]) ; |
| 441 | mode = argv [3] ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 442 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 443 | // Export the pin and set direction to input |
| 444 | if ((fd = fopen ("/sys/class/gpio/export", "w")) == NULL) { |
| 445 | fprintf (stderr, "%s: Unable to open GPIO export interface: %s\n", argv [0], strerror (errno)) ; |
| 446 | exit (1) ; |
| 447 | } |
| 448 | fprintf (fd, "%d\n", pin) ; |
| 449 | fclose (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 450 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 451 | sprintf (fName, "/sys/class/gpio/gpio%d/direction", pin) ; |
| 452 | if ((fd = fopen (fName, "w")) == NULL) { |
| 453 | fprintf (stderr, "%s: Unable to open GPIO direction interface for pin %d: %s\n", argv [0], pin, strerror (errno)) ; |
| 454 | exit (1) ; |
| 455 | } |
| 456 | fprintf (fd, "in\n") ; |
| 457 | fclose (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 458 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 459 | sprintf (fName, "/sys/class/gpio/gpio%d/edge", pin) ; |
| 460 | if ((fd = fopen (fName, "w")) == NULL) { |
| 461 | fprintf (stderr, "%s: Unable to open GPIO edge interface for pin %d: %s\n", argv [0], pin, strerror (errno)) ; |
| 462 | exit (1) ; |
| 463 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 464 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 465 | if (strcasecmp (mode, "none") == 0) fprintf (fd, "none\n") ; |
| 466 | else if (strcasecmp (mode, "rising") == 0) fprintf (fd, "rising\n") ; |
| 467 | else if (strcasecmp (mode, "falling") == 0) fprintf (fd, "falling\n") ; |
| 468 | else if (strcasecmp (mode, "both") == 0) fprintf (fd, "both\n") ; |
| 469 | else { |
| 470 | fprintf (stderr, "%s: Invalid mode: %s. Should be none, rising, falling or both\n", argv [1], mode) ; |
| 471 | exit (1) ; |
| 472 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 473 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 474 | // Change ownership of the value and edge files, so the current user can actually use it! |
| 475 | sprintf (fName, "/sys/class/gpio/gpio%d/value", pin) ; |
| 476 | changeOwner (argv [0], fName) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 477 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 478 | sprintf (fName, "/sys/class/gpio/gpio%d/edge", pin) ; |
| 479 | changeOwner (argv [0], fName) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 480 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 481 | fclose (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 482 | } |
| 483 | |
| 484 | |
| 485 | /* |
| 486 | * doUnexport: |
| 487 | * gpio unexport pin |
| 488 | * This uses the /sys/class/gpio device interface. |
| 489 | ********************************************************************************* |
| 490 | */ |
| 491 | |
| 492 | void doUnexport (int argc, char *argv []) |
| 493 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 494 | FILE *fd ; |
| 495 | int pin ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 496 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 497 | if (argc != 3) { |
| 498 | fprintf (stderr, "Usage: %s unexport pin\n", argv [0]) ; |
| 499 | exit (1) ; |
| 500 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 501 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 502 | pin = atoi (argv [2]) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 503 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 504 | if ((fd = fopen ("/sys/class/gpio/unexport", "w")) == NULL) { |
| 505 | fprintf (stderr, "%s: Unable to open GPIO export interface\n", argv [0]) ; |
| 506 | exit (1) ; |
| 507 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 508 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 509 | fprintf (fd, "%d\n", pin) ; |
| 510 | fclose (fd) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | |
| 514 | /* |
| 515 | * doUnexportAll: |
| 516 | * gpio unexportall |
| 517 | * Un-Export all the GPIO pins. |
| 518 | * This uses the /sys/class/gpio device interface. |
| 519 | ********************************************************************************* |
| 520 | */ |
| 521 | |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 522 | void doUnexportall (char *progName) |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 523 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 524 | FILE *fd ; |
| 525 | int pin ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 526 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 527 | for (pin = 0 ; pin < 256 ; ++pin) { |
| 528 | if ((fd = fopen ("/sys/class/gpio/unexport", "w")) == NULL) { |
| 529 | fprintf (stderr, "%s: Unable to open GPIO export interface\n", progName) ; |
| 530 | exit (1) ; |
| 531 | } |
| 532 | fprintf (fd, "%d\n", pin) ; |
| 533 | fclose (fd) ; |
| 534 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | |
| 538 | /* |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 539 | * doReset: |
| 540 | * Reset the GPIO pins - as much as we can do |
| 541 | ********************************************************************************* |
| 542 | */ |
| 543 | |
Gordon Henderson | e687f3f | 2017-01-24 12:13:39 +0000 | [diff] [blame] | 544 | static void doReset (UNU char *progName) |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 545 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 546 | printf ("GPIO Reset is dangerous and has been removed from the gpio command.\n") ; |
| 547 | printf (" - Please write a shell-script to reset the GPIO pins into the state\n") ; |
| 548 | printf (" that you need them in for your applications.\n") ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | |
| 552 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 553 | * doMode: |
| 554 | * gpio mode pin mode ... |
| 555 | ********************************************************************************* |
| 556 | */ |
| 557 | |
| 558 | void doMode (int argc, char *argv []) |
| 559 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 560 | int pin ; |
| 561 | char *mode ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 562 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 563 | if (argc != 4) { |
| 564 | fprintf (stderr, "Usage: %s mode pin mode\n", argv [0]) ; |
| 565 | exit (1) ; |
| 566 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 567 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 568 | pin = atoi (argv [2]) ; |
| 569 | mode = argv [3] ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 570 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 571 | if (strcasecmp (mode, "in") == 0) pinMode (pin, INPUT) ; |
| 572 | else if (strcasecmp (mode, "input") == 0) pinMode (pin, INPUT) ; |
| 573 | else if (strcasecmp (mode, "out") == 0) pinMode (pin, OUTPUT) ; |
| 574 | else if (strcasecmp (mode, "output") == 0) pinMode (pin, OUTPUT) ; |
| 575 | else if (strcasecmp (mode, "pwm") == 0) pinMode (pin, PWM_OUTPUT) ; |
| 576 | else if (strcasecmp (mode, "pwmTone") == 0) pinMode (pin, PWM_TONE_OUTPUT) ; |
| 577 | else if (strcasecmp (mode, "clock") == 0) pinMode (pin, GPIO_CLOCK) ; |
| 578 | else if (strcasecmp (mode, "up") == 0) pullUpDnControl (pin, PUD_UP) ; |
| 579 | else if (strcasecmp (mode, "down") == 0) pullUpDnControl (pin, PUD_DOWN) ; |
| 580 | else if (strcasecmp (mode, "tri") == 0) pullUpDnControl (pin, PUD_OFF) ; |
| 581 | else if (strcasecmp (mode, "off") == 0) pullUpDnControl (pin, PUD_OFF) ; |
| 582 | else if (strcasecmp (mode, "alt0") == 0) pinModeAlt (pin, 0b100) ; |
| 583 | else if (strcasecmp (mode, "alt1") == 0) pinModeAlt (pin, 0b101) ; |
| 584 | else if (strcasecmp (mode, "alt2") == 0) pinModeAlt (pin, 0b110) ; |
| 585 | else if (strcasecmp (mode, "alt3") == 0) pinModeAlt (pin, 0b111) ; |
| 586 | else if (strcasecmp (mode, "alt4") == 0) pinModeAlt (pin, 0b011) ; |
| 587 | else if (strcasecmp (mode, "alt5") == 0) pinModeAlt (pin, 0b010) ; |
| 588 | else { |
| 589 | fprintf (stderr, "%s: Invalid mode: %s. Should be in/out/pwm/clock/up/down/tri\n", argv [1], mode) ; |
| 590 | exit (1) ; |
| 591 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | |
| 595 | /* |
| 596 | * doPadDrive: |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 597 | * gpio drive pin value for ODROIDs since it depends on the SoC |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 598 | ********************************************************************************* |
| 599 | */ |
| 600 | |
Gordon Henderson | 1bb4989 | 2012-08-19 15:33:26 +0100 | [diff] [blame] | 601 | static void doPadDrive (int argc, char *argv []) |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 602 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 603 | int pin, val; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 604 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 605 | if (argc != 4) { |
| 606 | fprintf (stderr, "Usage: %s drive pin value\n", argv [0]) ; |
| 607 | exit (1) ; |
| 608 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 609 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 610 | pin = atoi (argv [2]) ; |
| 611 | val = atoi (argv [3]) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 612 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 613 | setPadDrive (pin, val) ; |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 614 | } |
| 615 | |
| 616 | |
| 617 | /* |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 618 | * doGbw: |
| 619 | * gpio gbw channel value |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 620 | * Gertboard Write - To the Analog output |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 621 | ********************************************************************************* |
| 622 | */ |
| 623 | |
| 624 | static void doGbw (int argc, char *argv []) |
| 625 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 626 | int channel, value ; |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 627 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 628 | if (argc != 4) { |
| 629 | fprintf (stderr, "Usage: %s gbw <channel> <value>\n", argv [0]) ; |
| 630 | exit (1) ; |
| 631 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 632 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 633 | channel = atoi (argv [2]) ; |
| 634 | value = atoi (argv [3]) ; |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 635 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 636 | if ((channel < 0) || (channel > 1)) { |
| 637 | fprintf (stderr, "%s: gbw: Channel number must be 0 or 1\n", argv [0]) ; |
| 638 | exit (1) ; |
| 639 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 640 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 641 | if ((value < 0) || (value > 255)) { |
| 642 | fprintf (stderr, "%s: gbw: Value must be from 0 to 255\n", argv [0]) ; |
| 643 | exit (1) ; |
| 644 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 645 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 646 | if (gertboardAnalogSetup (64) < 0) { |
| 647 | fprintf (stderr, "Unable to initialise the Gertboard SPI interface: %s\n", strerror (errno)) ; |
| 648 | exit (1) ; |
| 649 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 650 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 651 | analogWrite (64 + channel, value) ; |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 652 | } |
| 653 | |
| 654 | |
| 655 | /* |
| 656 | * doGbr: |
| 657 | * gpio gbr channel |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 658 | * From the analog input |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 659 | ********************************************************************************* |
| 660 | */ |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 661 | static void doGbr (int argc, char *argv []) |
| 662 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 663 | int channel ; |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 664 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 665 | if (argc != 3) { |
| 666 | fprintf (stderr, "Usage: %s gbr <channel>\n", argv [0]) ; |
| 667 | exit (1) ; |
| 668 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 669 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 670 | channel = atoi (argv [2]) ; |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 671 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 672 | if ((channel < 0) || (channel > 1)) { |
| 673 | fprintf (stderr, "%s: gbr: Channel number must be 0 or 1\n", argv [0]) ; |
| 674 | exit (1) ; |
| 675 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 676 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 677 | if (gertboardAnalogSetup (64) < 0) { |
| 678 | fprintf (stderr, "Unable to initialise the Gertboard SPI interface: %s\n", strerror (errno)) ; |
| 679 | exit (1) ; |
| 680 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 681 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 682 | printf ("%d\n", analogRead (64 + channel)) ; |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 683 | } |
| 684 | |
| 685 | |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 686 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 687 | * doWrite: |
| 688 | * gpio write pin value |
| 689 | ********************************************************************************* |
| 690 | */ |
| 691 | |
Gordon Henderson | 1bb4989 | 2012-08-19 15:33:26 +0100 | [diff] [blame] | 692 | static void doWrite (int argc, char *argv []) |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 693 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 694 | int pin, val ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 695 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 696 | if (argc != 4) { |
| 697 | fprintf (stderr, "Usage: %s write pin value\n", argv [0]) ; |
| 698 | exit (1) ; |
| 699 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 700 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 701 | pin = atoi (argv [2]) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 702 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 703 | if ((strcasecmp (argv [3], "up") == 0) || (strcasecmp (argv [3], "on") == 0)) |
| 704 | val = 1 ; |
| 705 | else if ((strcasecmp (argv [3], "down") == 0) || (strcasecmp (argv [3], "off") == 0)) |
| 706 | val = 0 ; |
| 707 | else |
| 708 | val = atoi (argv [3]) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 709 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 710 | if (val == 0) |
| 711 | digitalWrite (pin, LOW) ; |
| 712 | else |
| 713 | digitalWrite (pin, HIGH) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 714 | } |
| 715 | |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 716 | |
| 717 | /* |
| 718 | * doAwriterite: |
| 719 | * gpio awrite pin value |
| 720 | ********************************************************************************* |
| 721 | */ |
| 722 | |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 723 | static void UNU doAwrite (int argc, char *argv []) |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 724 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 725 | int pin, val ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 726 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 727 | if (argc != 4) { |
| 728 | fprintf (stderr, "Usage: %s awrite pin value\n", argv [0]) ; |
| 729 | exit (1) ; |
| 730 | } |
| 731 | pin = atoi (argv [2]) ; |
| 732 | val = atoi (argv [3]) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 733 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 734 | analogWrite (pin, val) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 735 | } |
| 736 | |
| 737 | |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 738 | /* |
| 739 | * doWriteByte: |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 740 | * gpio wb value |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 741 | ********************************************************************************* |
| 742 | */ |
| 743 | |
| 744 | static void doWriteByte (int argc, char *argv []) |
| 745 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 746 | int val ; |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 747 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 748 | if (argc != 3) { |
| 749 | fprintf (stderr, "Usage: %s wb value\n", argv [0]) ; |
| 750 | exit (1) ; |
| 751 | } |
| 752 | val = (int)strtol (argv [2], NULL, 0) ; |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 753 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 754 | digitalWriteByte (val) ; |
Gordon Henderson | 25e4ec5 | 2012-12-06 21:49:41 +0000 | [diff] [blame] | 755 | } |
| 756 | |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 757 | |
| 758 | /* |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 759 | * doReadByte: |
| 760 | * gpio rbx|rbd value |
| 761 | ********************************************************************************* |
| 762 | */ |
| 763 | |
| 764 | static void doReadByte (int argc, char *argv [], int printHex) |
| 765 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 766 | int val ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 767 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 768 | if (argc != 2) { |
| 769 | fprintf (stderr, "Usage: %s rbx|rbd\n", argv [0]) ; |
| 770 | exit (1) ; |
| 771 | } |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 772 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 773 | val = digitalReadByte () ; |
| 774 | if (printHex) |
| 775 | printf ("%02X\n", val) ; |
| 776 | else |
| 777 | printf ("%d\n", val) ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | |
| 781 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 782 | * doRead: |
| 783 | * Read a pin and return the value |
| 784 | ********************************************************************************* |
| 785 | */ |
| 786 | |
Joshua Yang | 6e7a6e6 | 2019-07-09 15:57:26 +0900 | [diff] [blame^] | 787 | void doRead (int argc, char *argv []) |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 788 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 789 | int pin, val ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 790 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 791 | if (argc != 3) { |
| 792 | fprintf (stderr, "Usage: %s read pin\n", argv [0]) ; |
| 793 | exit (1) ; |
| 794 | } |
| 795 | pin = atoi (argv [2]) ; |
| 796 | val = digitalRead (pin) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 797 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 798 | printf ("%s\n", val == 0 ? "0" : "1") ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 799 | } |
| 800 | |
| 801 | |
| 802 | /* |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 803 | * doAread: |
| 804 | * Read an analog pin and return the value |
| 805 | ********************************************************************************* |
| 806 | */ |
| 807 | |
Joshua Yang | 6e7a6e6 | 2019-07-09 15:57:26 +0900 | [diff] [blame^] | 808 | void doAread (int argc, char *argv []) |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 809 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 810 | if (argc != 3) { |
| 811 | fprintf (stderr, "Usage: %s aread pin\n", argv [0]) ; |
| 812 | exit (1) ; |
| 813 | } |
| 814 | printf ("%d\n", analogRead (atoi (argv [2]))) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 815 | } |
| 816 | |
| 817 | |
| 818 | /* |
| 819 | * doToggle: |
| 820 | * Toggle an IO pin |
| 821 | ********************************************************************************* |
| 822 | */ |
| 823 | |
| 824 | void doToggle (int argc, char *argv []) |
| 825 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 826 | int pin ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 827 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 828 | if (argc != 3) { |
| 829 | fprintf (stderr, "Usage: %s toggle pin\n", argv [0]) ; |
| 830 | exit (1) ; |
| 831 | } |
| 832 | pin = atoi (argv [2]) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 833 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 834 | digitalWrite (pin, !digitalRead (pin)) ; |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 835 | } |
| 836 | |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 837 | |
| 838 | /* |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 839 | * doBlink: |
| 840 | * Blink an IO pin |
| 841 | ********************************************************************************* |
| 842 | */ |
| 843 | |
| 844 | void doBlink (int argc, char *argv []) |
| 845 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 846 | int pin ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 847 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 848 | if (argc != 3) { |
| 849 | fprintf (stderr, "Usage: %s blink pin\n", argv [0]) ; |
| 850 | exit (1) ; |
| 851 | } |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 852 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 853 | pin = atoi (argv [2]) ; |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 854 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 855 | pinMode (pin, OUTPUT) ; |
| 856 | for (;;) { |
| 857 | digitalWrite (pin, !digitalRead (pin)) ; |
| 858 | delay (500) ; |
| 859 | } |
Gordon Henderson | b1dfc18 | 2016-12-12 14:19:55 +0000 | [diff] [blame] | 860 | } |
| 861 | |
| 862 | |
| 863 | /* |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 864 | * doPwmTone: |
| 865 | * Output a tone in a PWM pin |
| 866 | ********************************************************************************* |
| 867 | */ |
| 868 | |
| 869 | void doPwmTone (int argc, char *argv []) |
| 870 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 871 | int pin, freq ; |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 872 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 873 | if (argc != 4) { |
| 874 | fprintf (stderr, "Usage: %s pwmTone <pin> <freq>\n", argv [0]) ; |
| 875 | exit (1) ; |
| 876 | } |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 877 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 878 | pin = atoi (argv [2]) ; |
| 879 | freq = atoi (argv [3]) ; |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 880 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 881 | pwmToneWrite (pin, freq) ; |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 885 | /* |
Gordon Henderson | 56c77b5 | 2013-02-01 20:19:22 +0000 | [diff] [blame] | 886 | * doClock: |
| 887 | * Output a clock on a pin |
| 888 | ********************************************************************************* |
| 889 | */ |
| 890 | |
| 891 | void doClock (int argc, char *argv []) |
| 892 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 893 | int pin, freq ; |
Gordon Henderson | 56c77b5 | 2013-02-01 20:19:22 +0000 | [diff] [blame] | 894 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 895 | if (argc != 4) { |
| 896 | fprintf (stderr, "Usage: %s clock <pin> <freq>\n", argv [0]) ; |
| 897 | exit (1) ; |
| 898 | } |
Gordon Henderson | 56c77b5 | 2013-02-01 20:19:22 +0000 | [diff] [blame] | 899 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 900 | pin = atoi (argv [2]) ; |
Gordon Henderson | 56c77b5 | 2013-02-01 20:19:22 +0000 | [diff] [blame] | 901 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 902 | freq = atoi (argv [3]) ; |
Gordon Henderson | 56c77b5 | 2013-02-01 20:19:22 +0000 | [diff] [blame] | 903 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 904 | gpioClockSet (pin, freq) ; |
Gordon Henderson | 56c77b5 | 2013-02-01 20:19:22 +0000 | [diff] [blame] | 905 | } |
| 906 | |
| 907 | |
| 908 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 909 | * doPwm: |
| 910 | * Output a PWM value on a pin |
| 911 | ********************************************************************************* |
| 912 | */ |
| 913 | |
| 914 | void doPwm (int argc, char *argv []) |
| 915 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 916 | int pin, val ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 917 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 918 | if (argc != 4) { |
| 919 | fprintf (stderr, "Usage: %s pwm <pin> <value>\n", argv [0]) ; |
| 920 | exit (1) ; |
| 921 | } |
| 922 | pin = atoi (argv [2]) ; |
| 923 | val = atoi (argv [3]) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 924 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 925 | pwmWrite (pin, val) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 926 | } |
| 927 | |
| 928 | |
| 929 | /* |
Gordon Henderson | 8cb4939 | 2012-09-16 10:15:32 +0100 | [diff] [blame] | 930 | * doPwmMode: doPwmRange: doPwmClock: |
| 931 | * Change the PWM mode, range and clock divider values |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 932 | ********************************************************************************* |
| 933 | */ |
| 934 | |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 935 | static void UNU doPwmMode (int mode) |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 936 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 937 | pwmSetMode (mode) ; |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 938 | } |
| 939 | |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 940 | static void UNU doPwmRange (int argc, char *argv []) |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 941 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 942 | unsigned int range ; |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 943 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 944 | if (argc != 3) { |
| 945 | fprintf (stderr, "Usage: %s pwmr <range>\n", argv [0]) ; |
| 946 | exit (1) ; |
| 947 | } |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 948 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 949 | range = (unsigned int)strtoul (argv [2], NULL, 10) ; |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 950 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 951 | if (range == 0) { |
| 952 | fprintf (stderr, "%s: range must be > 0\n", argv [0]) ; |
| 953 | exit (1) ; |
| 954 | } |
| 955 | pwmSetRange (range) ; |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 956 | } |
| 957 | |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 958 | static void UNU doPwmClock (int argc, char *argv []) |
Gordon Henderson | 8cb4939 | 2012-09-16 10:15:32 +0100 | [diff] [blame] | 959 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 960 | unsigned int clock ; |
Gordon Henderson | 8cb4939 | 2012-09-16 10:15:32 +0100 | [diff] [blame] | 961 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 962 | if (argc != 3) { |
| 963 | fprintf (stderr, "Usage: %s pwmc <clock>\n", argv [0]) ; |
| 964 | exit (1) ; |
| 965 | } |
Gordon Henderson | 8cb4939 | 2012-09-16 10:15:32 +0100 | [diff] [blame] | 966 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 967 | clock = (unsigned int)strtoul (argv [2], NULL, 10) ; |
Gordon Henderson | 8cb4939 | 2012-09-16 10:15:32 +0100 | [diff] [blame] | 968 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 969 | if ((clock < 1) || (clock > 4095)) { |
| 970 | fprintf (stderr, "%s: clock must be between 0 and 4096\n", argv [0]) ; |
| 971 | exit (1) ; |
| 972 | } |
| 973 | pwmSetClock (clock) ; |
Gordon Henderson | 8cb4939 | 2012-09-16 10:15:32 +0100 | [diff] [blame] | 974 | } |
| 975 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 976 | /* |
| 977 | * doNothing: |
| 978 | * function is not support by ODROID Board. |
| 979 | ********************************************************************************* |
| 980 | */ |
Luke Go | 2ee8a0d | 2019-07-08 15:37:07 +0900 | [diff] [blame] | 981 | static void doNothing (int UNU argc, char *argv []) |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 982 | { |
| 983 | fprintf(stderr, "warn : (%s) : This function is not supported by ODROID Board.\n", |
| 984 | argv[1]); |
| 985 | } |
Gordon Henderson | f99ffed | 2012-08-19 15:12:45 +0100 | [diff] [blame] | 986 | |
| 987 | /* |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 988 | * doVersion: |
Gordon Henderson | b0a60c3 | 2016-02-29 06:57:38 +0000 | [diff] [blame] | 989 | * Handle the ever more complicated version command and print out |
| 990 | * some usefull information. |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 991 | ********************************************************************************* |
| 992 | */ |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 993 | static void doVersion (char *argv []) |
| 994 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 995 | int model, rev, mem, maker, warranty ; |
| 996 | struct stat statBuf ; |
| 997 | char name [80] ; |
| 998 | FILE *fd ; |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 999 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1000 | int vMaj, vMin ; |
Gordon Henderson | e687f3f | 2017-01-24 12:13:39 +0000 | [diff] [blame] | 1001 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1002 | wiringPiVersion (&vMaj, &vMin) ; |
| 1003 | printf ("gpio version: %d.%d\n", vMaj, vMin) ; |
| 1004 | printf ("Copyright (c) 2012-2017 Gordon Henderson\n") ; |
| 1005 | printf ("This is free software with ABSOLUTELY NO WARRANTY.\n") ; |
| 1006 | printf ("For details type: %s -warranty\n", argv [0]) ; |
| 1007 | printf ("\n") ; |
| 1008 | piBoardId (&model, &rev, &mem, &maker, &warranty) ; |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 1009 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1010 | printf ("ODROID Board Details:\n") ; |
| 1011 | printf (" Type: %s, Revision: %s, Memory: %dMB\n" \ |
Joshua Yang | 6e7a6e6 | 2019-07-09 15:57:26 +0900 | [diff] [blame^] | 1012 | " Maker: %s, Chip-Vendor: %s\n", |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1013 | piModelNames [model], |
| 1014 | piRevisionNames [rev], |
| 1015 | piMemorySize [mem], |
| 1016 | "Hardkernel", |
| 1017 | piMakerNames [maker]); |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 1018 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1019 | // Check for device tree |
| 1020 | if (stat ("/proc/device-tree", &statBuf) == 0) // We're on a devtree system ... |
| 1021 | printf (" * Device tree is enabled.\n") ; |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 1022 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1023 | // Output Kernel idea of board type |
| 1024 | if (stat ("/proc/device-tree/model", &statBuf) == 0) { |
| 1025 | if ((fd = fopen ("/proc/device-tree/model", "r")) != NULL) { |
Joshua Yang | 6e7a6e6 | 2019-07-09 15:57:26 +0900 | [diff] [blame^] | 1026 | if (fgets (name, 80, fd) == NULL) |
| 1027 | fprintf(stderr, "Unable to read from the file descriptor: %s \n", strerror(errno)); |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1028 | fclose (fd) ; |
| 1029 | printf (" *--> %s\n", name) ; |
| 1030 | } |
| 1031 | } |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 1032 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1033 | // User level GPIO is GO |
| 1034 | if (stat ("/dev/gpiomem", &statBuf) == 0) |
| 1035 | printf (" * Supports user-level GPIO access.\n") ; |
| 1036 | else |
| 1037 | printf (" * Root or sudo required for GPIO access.\n") ; |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | |
| 1041 | /* |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1042 | * main: |
| 1043 | * Start here |
| 1044 | ********************************************************************************* |
| 1045 | */ |
| 1046 | |
| 1047 | int main (int argc, char *argv []) |
| 1048 | { |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1049 | int i ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1050 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1051 | if (getenv ("WIRINGPI_DEBUG") != NULL) { |
| 1052 | printf ("gpio: wiringPi debug mode enabled\n") ; |
| 1053 | wiringPiDebug = TRUE ; |
| 1054 | } |
Gordon Henderson | 13bbba7 | 2013-01-14 11:31:56 +0000 | [diff] [blame] | 1055 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1056 | if (argc == 1) { |
| 1057 | fprintf (stderr, "%s\n", usage) ; |
| 1058 | return 1 ; |
| 1059 | } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1060 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1061 | // Help |
| 1062 | if (strcasecmp (argv [1], "-h") == 0) { |
| 1063 | printf ("%s: %s\n", argv [0], usage) ; |
| 1064 | return 0 ; |
| 1065 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 1066 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1067 | // Version & Warranty |
| 1068 | // Wish I could remember why I have both -R and -V ... |
| 1069 | if ((strcmp (argv [1], "-R") == 0) || (strcmp (argv [1], "-V") == 0)) { |
| 1070 | printf ("%d\n", piGpioLayout ()) ; |
| 1071 | return 0 ; |
| 1072 | } |
Gordon Henderson | 178ea08 | 2012-08-19 15:17:03 +0100 | [diff] [blame] | 1073 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1074 | // Version and information |
| 1075 | if (strcmp (argv [1], "-v") == 0) { |
| 1076 | doVersion (argv) ; |
| 1077 | return 0 ; |
| 1078 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 1079 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1080 | if (strcasecmp (argv [1], "-warranty") == 0) { |
| 1081 | printf ("gpio version: %s\n", VERSION) ; |
| 1082 | printf ("Copyright (c) 2012-2017 Gordon Henderson\n") ; |
| 1083 | printf ("\n") ; |
| 1084 | printf (" This program is free software; you can redistribute it and/or modify\n") ; |
| 1085 | printf (" it under the terms of the GNU Leser General Public License as published\n") ; |
| 1086 | printf (" by the Free Software Foundation, either version 3 of the License, or\n") ; |
| 1087 | printf (" (at your option) any later version.\n") ; |
| 1088 | printf ("\n") ; |
| 1089 | printf (" This program is distributed in the hope that it will be useful,\n") ; |
| 1090 | printf (" but WITHOUT ANY WARRANTY; without even the implied warranty of\n") ; |
| 1091 | printf (" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n") ; |
| 1092 | printf (" GNU Lesser General Public License for more details.\n") ; |
| 1093 | printf ("\n") ; |
| 1094 | printf (" You should have received a copy of the GNU Lesser General Public License\n") ; |
| 1095 | printf (" along with this program. If not, see <http://www.gnu.org/licenses/>.\n") ; |
| 1096 | printf ("\n") ; |
| 1097 | return 0 ; |
| 1098 | } |
Gordon Henderson | da38443 | 2013-05-13 19:43:26 +0100 | [diff] [blame] | 1099 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1100 | if (geteuid () != 0) { |
| 1101 | fprintf (stderr, "%s: Must be root to run. Program should be suid root. This is an error.\n", argv [0]) ; |
| 1102 | return 1 ; |
| 1103 | } |
Gordon Henderson | bb6f084 | 2015-11-29 21:08:04 +0000 | [diff] [blame] | 1104 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1105 | // Initial test for /sys/class/gpio operations: |
| 1106 | if (strcasecmp (argv [1], "exports" ) == 0) { doExports (argc, argv) ; return 0 ; } |
| 1107 | else if (strcasecmp (argv [1], "export" ) == 0) { doExport (argc, argv) ; return 0 ; } |
| 1108 | else if (strcasecmp (argv [1], "edge" ) == 0) { doEdge (argc, argv) ; return 0 ; } |
| 1109 | else if (strcasecmp (argv [1], "unexport" ) == 0) { doUnexport (argc, argv) ; return 0 ; } |
| 1110 | else if (strcasecmp (argv [1], "unexportall") == 0) { doUnexportall (argv [0]) ; return 0 ; } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1111 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1112 | // Check for load command: |
| 1113 | if (strcasecmp (argv [1], "load" ) == 0) { doLoad (argc, argv) ; return 0 ; } |
| 1114 | if (strcasecmp (argv [1], "unload" ) == 0) { doUnLoad (argc, argv) ; return 0 ; } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1115 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1116 | // Check for usb power command |
| 1117 | if (strcasecmp (argv [1], "usbp" ) == 0) { doNothing(argc, argv) ; return 0 ; } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1118 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1119 | // Gertboard commands |
| 1120 | if (strcasecmp (argv [1], "gbr" ) == 0) { doGbr (argc, argv) ; return 0 ; } |
| 1121 | if (strcasecmp (argv [1], "gbw" ) == 0) { doGbw (argc, argv) ; return 0 ; } |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1122 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1123 | // Check for allreadall command, force Gpio mode |
| 1124 | if (strcasecmp (argv [1], "allreadall") == 0) { |
| 1125 | wiringPiSetupGpio () ; |
| 1126 | doAllReadall () ; |
| 1127 | return 0 ; |
| 1128 | } |
Gordon Henderson | 178ea08 | 2012-08-19 15:17:03 +0100 | [diff] [blame] | 1129 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1130 | if (strcasecmp (argv [1], "-g") == 0) { // Check for -g argument |
| 1131 | wiringPiSetupGpio () ; |
Gordon Henderson | 178ea08 | 2012-08-19 15:17:03 +0100 | [diff] [blame] | 1132 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1133 | for (i = 2 ; i < argc ; ++i) |
| 1134 | argv [i - 1] = argv [i] ; |
| 1135 | --argc ; |
| 1136 | wpMode = MODE_GPIO ; |
| 1137 | } else if (strcasecmp (argv [1], "-1") == 0) { // Check for -1 argument |
| 1138 | wiringPiSetupPhys () ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1139 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1140 | for (i = 2 ; i < argc ; ++i) |
| 1141 | argv [i - 1] = argv [i] ; |
| 1142 | --argc ; |
| 1143 | wpMode = MODE_PHYS ; |
| 1144 | } else if (strcasecmp (argv [1], "-p") == 0) { // Check for -p argument for PiFace |
| 1145 | piFaceSetup (200) ; |
Gordon Henderson | b0a60c3 | 2016-02-29 06:57:38 +0000 | [diff] [blame] | 1146 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1147 | for (i = 2 ; i < argc ; ++i) |
| 1148 | argv [i - 1] = argv [i] ; |
| 1149 | --argc ; |
| 1150 | wpMode = MODE_PIFACE ; |
| 1151 | } else if (strcasecmp (argv [1], "-z") == 0) { // Check for -z argument so we don't actually initialise wiringPi |
| 1152 | for (i = 2 ; i < argc ; ++i) |
| 1153 | argv [i - 1] = argv [i] ; |
| 1154 | --argc ; |
| 1155 | wpMode = MODE_UNINITIALISED ; |
| 1156 | } else { // Default to wiringPi mode |
| 1157 | wiringPiSetup () ; |
| 1158 | wpMode = MODE_PINS ; |
| 1159 | } |
Gordon Henderson | b0a60c3 | 2016-02-29 06:57:38 +0000 | [diff] [blame] | 1160 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1161 | // Check for -x argument to load in a new extension |
| 1162 | // -x extension:base:args |
| 1163 | // Can load many modules, but unless daemon mode we can only send one |
| 1164 | // command at a time. |
| 1165 | while (strcasecmp (argv [1], "-x") == 0) { |
| 1166 | if (argc < 3) { |
| 1167 | fprintf (stderr, "%s: -x missing extension command.\n", argv [0]) ; |
| 1168 | exit (EXIT_FAILURE) ; |
| 1169 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 1170 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1171 | if (!loadWPiExtension (argv [0], argv [2], TRUE)) { |
| 1172 | fprintf (stderr, "%s: Extension load failed: %s\n", argv [0], strerror (errno)) ; |
| 1173 | exit (EXIT_FAILURE) ; |
| 1174 | } |
Gordon Henderson | 99095e3 | 2012-08-27 20:56:14 +0100 | [diff] [blame] | 1175 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1176 | // Shift args down by 2 |
| 1177 | for (i = 3 ; i < argc ; ++i) |
| 1178 | argv [i - 2] = argv [i] ; |
| 1179 | argc -= 2 ; |
| 1180 | } |
Gordon Henderson | b0a60c3 | 2016-02-29 06:57:38 +0000 | [diff] [blame] | 1181 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1182 | if (argc <= 1) { |
| 1183 | fprintf (stderr, "%s: no command given\n", argv [0]) ; |
| 1184 | exit (EXIT_FAILURE) ; |
| 1185 | } |
Gordon Henderson | b0a60c3 | 2016-02-29 06:57:38 +0000 | [diff] [blame] | 1186 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1187 | // Core wiringPi functions |
| 1188 | /**/ if (strcasecmp (argv [1], "mode" ) == 0) doMode (argc, argv) ; |
| 1189 | else if (strcasecmp (argv [1], "read" ) == 0) doRead (argc, argv) ; |
| 1190 | else if (strcasecmp (argv [1], "write" ) == 0) doWrite (argc, argv) ; |
| 1191 | else if (strcasecmp (argv [1], "pwm" ) == 0) doNothing (argc, argv) ; |
| 1192 | else if (strcasecmp (argv [1], "awrite" ) == 0) doNothing (argc, argv) ; |
| 1193 | else if (strcasecmp (argv [1], "aread" ) == 0) doAread (argc, argv) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1194 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1195 | // GPIO Nicies |
| 1196 | else if (strcasecmp (argv [1], "toggle" ) == 0) doToggle (argc, argv) ; |
| 1197 | else if (strcasecmp (argv [1], "blink" ) == 0) doBlink (argc, argv) ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1198 | |
joshua-yang | 4b08e7f | 2019-02-21 12:05:24 +0900 | [diff] [blame] | 1199 | // Pi Specifics |
| 1200 | else if (strcasecmp (argv [1], "pwm-bal" ) == 0) doNothing (argc, argv) ; |
| 1201 | else if (strcasecmp (argv [1], "pwm-ms" ) == 0) doNothing (argc, argv) ; |
| 1202 | else if (strcasecmp (argv [1], "pwmr" ) == 0) doNothing (argc, argv) ; |
| 1203 | else if (strcasecmp (argv [1], "pwmc" ) == 0) doNothing (argc, argv) ; |
| 1204 | else if (strcasecmp (argv [1], "pwmTone" ) == 0) doNothing (argc, argv) ; |
| 1205 | else if (strcasecmp (argv [1], "drive" ) == 0) doPadDrive (argc, argv) ; |
| 1206 | else if (strcasecmp (argv [1], "readall" ) == 0) doReadall () ; |
| 1207 | else if (strcasecmp (argv [1], "nreadall" ) == 0) doReadall () ; |
| 1208 | else if (strcasecmp (argv [1], "pins" ) == 0) doPins () ; |
| 1209 | else if (strcasecmp (argv [1], "i2cdetect") == 0) doI2Cdetect (argc, argv) ; |
| 1210 | else if (strcasecmp (argv [1], "i2cd" ) == 0) doI2Cdetect (argc, argv) ; |
| 1211 | else if (strcasecmp (argv [1], "reset" ) == 0) doReset (argv [0]) ; |
| 1212 | else if (strcasecmp (argv [1], "wb" ) == 0) doWriteByte (argc, argv) ; |
| 1213 | else if (strcasecmp (argv [1], "rbx" ) == 0) doReadByte (argc, argv, TRUE) ; |
| 1214 | else if (strcasecmp (argv [1], "rbd" ) == 0) doReadByte (argc, argv, FALSE) ; |
| 1215 | else if (strcasecmp (argv [1], "clock" ) == 0) doNothing (argc, argv) ; |
| 1216 | else if (strcasecmp (argv [1], "wfi" ) == 0) doWfi (argc, argv) ; |
| 1217 | else { |
| 1218 | fprintf (stderr, "%s: Unknown command: %s.\n", argv [0], argv [1]) ; |
| 1219 | exit (EXIT_FAILURE) ; |
| 1220 | } |
| 1221 | return 0 ; |
Gordon Henderson | bf0ad86 | 2012-08-16 15:04:43 +0100 | [diff] [blame] | 1222 | } |