Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 1 | /* |
| 2 | * readall.c: |
| 3 | * The readall functions - getting a bit big, so split them out. |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 4 | * Copyright (c) 2012-2015 Gordon Henderson |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 5 | *********************************************************************** |
| 6 | * This file is part of wiringPi: |
| 7 | * https://projects.drogon.net/raspberry-pi/wiringpi/ |
| 8 | * |
| 9 | * wiringPi is free software: you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU Lesser General Public License as published by |
| 11 | * the Free Software Foundation, either version 3 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * wiringPi is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU Lesser General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public License |
| 20 | * along with wiringPi. If not, see <http://www.gnu.org/licenses/>. |
| 21 | *********************************************************************** |
| 22 | */ |
| 23 | |
| 24 | |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <stdint.h> |
| 28 | #include <ctype.h> |
| 29 | #include <string.h> |
| 30 | #include <unistd.h> |
| 31 | #include <errno.h> |
| 32 | #include <fcntl.h> |
| 33 | #include <sys/types.h> |
| 34 | #include <sys/stat.h> |
| 35 | |
| 36 | #include <wiringPi.h> |
| 37 | |
| 38 | extern int wpMode ; |
| 39 | |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 40 | #ifndef TRUE |
| 41 | # define TRUE (1==1) |
| 42 | # define FALSE (1==2) |
| 43 | #endif |
| 44 | |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 45 | /* |
| 46 | * doReadallExternal: |
| 47 | * A relatively crude way to read the pins on an external device. |
| 48 | * We don't know the input/output mode of pins, but we can tell |
| 49 | * if it's an analog pin or a digital one... |
| 50 | ********************************************************************************* |
| 51 | */ |
| 52 | |
| 53 | static void doReadallExternal (void) |
| 54 | { |
| 55 | int pin ; |
| 56 | |
| 57 | printf ("+------+---------+--------+\n") ; |
| 58 | printf ("| Pin | Digital | Analog |\n") ; |
| 59 | printf ("+------+---------+--------+\n") ; |
| 60 | |
| 61 | for (pin = wiringPiNodes->pinBase ; pin <= wiringPiNodes->pinMax ; ++pin) |
| 62 | printf ("| %4d | %4d | %4d |\n", pin, digitalRead (pin), analogRead (pin)) ; |
| 63 | |
| 64 | printf ("+------+---------+--------+\n") ; |
| 65 | } |
| 66 | |
| 67 | |
| 68 | /* |
| 69 | * doReadall: |
| 70 | * Read all the GPIO pins |
| 71 | * We also want to use this to read the state of pins on an externally |
| 72 | * connected device, so we need to do some fiddling with the internal |
| 73 | * wiringPi node structures - since the gpio command can only use |
| 74 | * one external device at a time, we'll use that to our advantage... |
| 75 | ********************************************************************************* |
| 76 | */ |
| 77 | |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 78 | static char *alts [] = |
| 79 | { |
| 80 | "IN", "OUT", "ALT5", "ALT4", "ALT0", "ALT1", "ALT2", "ALT3" |
| 81 | } ; |
| 82 | |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 83 | static int physToWpi [64] = |
| 84 | { |
| 85 | -1, // 0 |
| 86 | -1, -1, // 1, 2 |
| 87 | 8, -1, |
| 88 | 9, -1, |
| 89 | 7, 15, |
| 90 | -1, 16, |
| 91 | 0, 1, |
| 92 | 2, -1, |
| 93 | 3, 4, |
| 94 | -1, 5, |
| 95 | 12, -1, |
| 96 | 13, 6, |
| 97 | 14, 10, |
| 98 | -1, 11, // 25, 26 |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 99 | 30, 31, // Actually I2C, but not used |
| 100 | 21, -1, |
| 101 | 22, 26, |
| 102 | 23, -1, |
| 103 | 24, 27, |
| 104 | 25, 28, |
| 105 | -1, 29, |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 106 | -1, -1, |
| 107 | -1, -1, |
| 108 | -1, -1, |
| 109 | -1, -1, |
| 110 | -1, -1, |
| 111 | 17, 18, |
| 112 | 19, 20, |
| 113 | -1, -1, -1, -1, -1, -1, -1, -1, -1 |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 114 | } ; |
| 115 | |
| 116 | static char *physNames [64] = |
| 117 | { |
| 118 | NULL, |
| 119 | |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 120 | " 3.3v", "5v ", |
| 121 | " SDA.1", "5V ", |
| 122 | " SCL.1", "0v ", |
| 123 | "GPIO. 7", "TxD ", |
| 124 | " 0v", "RxD ", |
| 125 | "GPIO. 0", "GPIO. 1", |
| 126 | "GPIO. 2", "0v ", |
| 127 | "GPIO. 3", "GPIO. 4", |
| 128 | " 3.3v", "GPIO. 5", |
| 129 | " MOSI", "0v ", |
| 130 | " MISO", "GPIO. 6", |
| 131 | " SCLK", "CE0 ", |
| 132 | " 0v", "CE1 ", |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 133 | " SDA.0", "SCL.0 ", |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 134 | "GPIO.21", "0v ", |
| 135 | "GPIO.22", "GPIO.26", |
| 136 | "GPIO.23", "0v ", |
| 137 | "GPIO.24", "GPIO.27", |
| 138 | "GPIO.25", "GPIO.28", |
| 139 | " 0v", "GPIO.29", |
| 140 | NULL, NULL, |
| 141 | NULL, NULL, |
| 142 | NULL, NULL, |
| 143 | NULL, NULL, |
| 144 | NULL, NULL, |
| 145 | "GPIO.17", "GPIO.18", |
| 146 | "GPIO.19", "GPIO.20", |
| 147 | NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 148 | } ; |
| 149 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 150 | |
| 151 | /* |
| 152 | * readallPhys: |
| 153 | * Given a physical pin output the data on it and the next pin: |
| 154 | *| BCM | wPi | Name | Mode | Val| Physical |Val | Mode | Name | wPi | BCM | |
| 155 | ********************************************************************************* |
| 156 | */ |
| 157 | |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 158 | static void readallPhys (int physPin) |
| 159 | { |
| 160 | int pin ; |
| 161 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 162 | if (physPinToGpio (physPin) == -1) |
| 163 | printf (" | | ") ; |
| 164 | else |
| 165 | printf (" | %3d | %3d", physPinToGpio (physPin), physToWpi [physPin]) ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 166 | |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 167 | printf (" | %s", physNames [physPin]) ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 168 | |
| 169 | if (physToWpi [physPin] == -1) |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 170 | printf (" | | ") ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 171 | else |
| 172 | { |
| 173 | /**/ if (wpMode == WPI_MODE_GPIO) |
| 174 | pin = physPinToGpio (physPin) ; |
| 175 | else if (wpMode == WPI_MODE_PHYS) |
| 176 | pin = physPin ; |
| 177 | else |
| 178 | pin = physToWpi [physPin] ; |
| 179 | |
| 180 | printf (" | %4s", alts [getAlt (pin)]) ; |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 181 | printf (" | %d", digitalRead (pin)) ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | // Pin numbers: |
| 185 | |
| 186 | printf (" | %2d", physPin) ; |
| 187 | ++physPin ; |
| 188 | printf (" || %-2d", physPin) ; |
| 189 | |
| 190 | // Same, reversed |
| 191 | |
| 192 | if (physToWpi [physPin] == -1) |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 193 | printf (" | | ") ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 194 | else |
| 195 | { |
| 196 | /**/ if (wpMode == WPI_MODE_GPIO) |
| 197 | pin = physPinToGpio (physPin) ; |
| 198 | else if (wpMode == WPI_MODE_PHYS) |
| 199 | pin = physPin ; |
| 200 | else |
| 201 | pin = physToWpi [physPin] ; |
| 202 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 203 | printf (" | %d", digitalRead (pin)) ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 204 | printf (" | %-4s", alts [getAlt (pin)]) ; |
| 205 | } |
| 206 | |
| 207 | printf (" | %-5s", physNames [physPin]) ; |
| 208 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 209 | if (physToWpi [physPin] == -1) |
| 210 | printf (" | | ") ; |
| 211 | else |
| 212 | printf (" | %-3d | %-3d", physToWpi [physPin], physPinToGpio (physPin)) ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 213 | |
| 214 | printf (" |\n") ; |
| 215 | } |
| 216 | |
| 217 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 218 | void cmReadall (void) |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 219 | { |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 220 | int pin ; |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 221 | |
| 222 | printf ("+-----+------+-------+ +-----+------+-------+\n") ; |
| 223 | printf ("| Pin | Mode | Value | | Pin | Mode | Value |\n") ; |
| 224 | printf ("+-----+------+-------+ +-----+------+-------+\n") ; |
| 225 | |
Gordon Henderson | 143b383 | 2016-01-28 19:20:31 +0000 | [diff] [blame] | 226 | for (pin = 0 ; pin < 27 ; ++pin) |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 227 | { |
| 228 | printf ("| %3d ", pin) ; |
| 229 | printf ("| %-4s ", alts [getAlt (pin)]) ; |
| 230 | printf ("| %s ", digitalRead (pin) == HIGH ? "High" : "Low ") ; |
| 231 | printf ("| ") ; |
Gordon Henderson | 143b383 | 2016-01-28 19:20:31 +0000 | [diff] [blame] | 232 | printf ("| %3d ", pin + 27) ; |
| 233 | printf ("| %-4s ", alts [getAlt (pin + 27)]) ; |
| 234 | printf ("| %s ", digitalRead (pin + 27) == HIGH ? "High" : "Low ") ; |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 235 | printf ("|\n") ; |
| 236 | } |
| 237 | |
| 238 | printf ("+-----+------+-------+ +-----+------+-------+\n") ; |
Gordon Henderson | 143b383 | 2016-01-28 19:20:31 +0000 | [diff] [blame] | 239 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 240 | } |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 241 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 242 | |
| 243 | /* |
| 244 | * abReadall: |
| 245 | * Read all the pins on the model A or B. |
| 246 | ********************************************************************************* |
| 247 | */ |
| 248 | |
| 249 | void abReadall (int model, int rev) |
| 250 | { |
| 251 | int pin ; |
| 252 | char *type ; |
| 253 | |
| 254 | if (model == PI_MODEL_A) |
| 255 | type = " A" ; |
| 256 | else |
| 257 | if (rev == PI_VERSION_2) |
| 258 | type = "B2" ; |
| 259 | else |
| 260 | type = "B1" ; |
| 261 | |
| 262 | printf (" +-----+-----+---------+------+---+-Model %s-+---+------+---------+-----+-----+\n", type) ; |
| 263 | printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ; |
| 264 | printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ; |
| 265 | for (pin = 1 ; pin <= 26 ; pin += 2) |
| 266 | readallPhys (pin) ; |
| 267 | |
| 268 | if (rev == PI_VERSION_2) // B version 2 |
| 269 | { |
| 270 | printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ; |
| 271 | for (pin = 51 ; pin <= 54 ; pin += 2) |
| 272 | readallPhys (pin) ; |
| 273 | } |
| 274 | |
| 275 | printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ; |
| 276 | printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ; |
| 277 | printf (" +-----+-----+---------+------+---+-Model %s-+---+------+---------+-----+-----+\n", type) ; |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 281 | /* |
Gordon Henderson | 0a9fdeb | 2014-11-10 10:55:23 +0000 | [diff] [blame] | 282 | * piPlusReadall: |
| 283 | * Read all the pins on the model A+ or the B+ |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 284 | ********************************************************************************* |
| 285 | */ |
| 286 | |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 287 | static void plus2header (int model) |
| 288 | { |
| 289 | /**/ if (model == PI_MODEL_AP) |
| 290 | printf (" +-----+-----+---------+------+---+--A Plus--+---+------+---------+-----+-----+\n") ; |
| 291 | else if (model == PI_MODEL_BP) |
| 292 | printf (" +-----+-----+---------+------+---+--B Plus--+---+------+---------+-----+-----+\n") ; |
Gordon Henderson | 31a8a2c | 2015-12-02 15:13:01 +0000 | [diff] [blame] | 293 | else if (model == PI_MODEL_ZERO) |
| 294 | printf (" +-----+-----+---------+------+---+-Pi Zero--+---+------+---------+-----+-----+\n") ; |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 295 | else |
| 296 | printf (" +-----+-----+---------+------+---+---Pi 2---+---+------+---------+-----+-----+\n") ; |
| 297 | } |
| 298 | |
| 299 | |
Gordon Henderson | 0a9fdeb | 2014-11-10 10:55:23 +0000 | [diff] [blame] | 300 | void piPlusReadall (int model) |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 301 | { |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 302 | int pin ; |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 303 | |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 304 | plus2header (model) ; |
Gordon Henderson | 0a9fdeb | 2014-11-10 10:55:23 +0000 | [diff] [blame] | 305 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 306 | printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ; |
| 307 | printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ; |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 308 | for (pin = 1 ; pin <= 40 ; pin += 2) |
| 309 | readallPhys (pin) ; |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 310 | printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ; |
| 311 | printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ; |
Gordon Henderson | 0a9fdeb | 2014-11-10 10:55:23 +0000 | [diff] [blame] | 312 | |
Gordon Henderson | eb1fc2c | 2015-01-30 18:14:49 +0000 | [diff] [blame] | 313 | plus2header (model) ; |
Gordon Henderson | dca8a19 | 2014-07-14 08:39:38 +0100 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 317 | void doReadall (void) |
| 318 | { |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 319 | int model, rev, mem, maker, overVolted ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 320 | |
| 321 | if (wiringPiNodes != NULL) // External readall |
| 322 | { |
| 323 | doReadallExternal () ; |
| 324 | return ; |
| 325 | } |
| 326 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 327 | piBoardId (&model, &rev, &mem, &maker, &overVolted) ; |
Gordon Henderson | 6fba403 | 2014-06-24 19:23:31 +0100 | [diff] [blame] | 328 | |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 329 | /**/ if ((model == PI_MODEL_A) || (model == PI_MODEL_B)) |
| 330 | abReadall (model, rev) ; |
Gordon Henderson | 31a8a2c | 2015-12-02 15:13:01 +0000 | [diff] [blame] | 331 | else if ((model == PI_MODEL_BP) || (model == PI_MODEL_AP) || (model == PI_MODEL_2) || (model == PI_MODEL_ZERO)) |
Gordon Henderson | 0a9fdeb | 2014-11-10 10:55:23 +0000 | [diff] [blame] | 332 | piPlusReadall (model) ; |
Gordon Henderson | df45388 | 2014-07-17 22:23:57 +0100 | [diff] [blame] | 333 | else if (model == PI_MODEL_CM) |
| 334 | cmReadall () ; |
| 335 | else |
| 336 | printf ("Oops - unable to determine board type... model: %d\n", model) ; |
Gordon Henderson | 02a3bd8 | 2013-06-27 21:57:09 +0100 | [diff] [blame] | 337 | } |