From: Gordon Henderson Date: Mon, 14 Jul 2014 07:39:38 +0000 (+0100) Subject: Updated mostly to the gpio readall command to support the Raspberry Pi B+ X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=wiringPi.git;a=commitdiff_plain;h=dca8a19fb816b1314008d84c092b11148a85715c Updated mostly to the gpio readall command to support the Raspberry Pi B+ --- diff --git a/gpio/gpio.c b/gpio/gpio.c index b9d1799..be22e0e 100644 --- a/gpio/gpio.c +++ b/gpio/gpio.c @@ -55,7 +55,7 @@ extern void doPins (void) ; # define FALSE (1==2) #endif -#define VERSION "2.16" +#define VERSION "2.18" #define I2CDETECT "/usr/sbin/i2cdetect" int wpMode ; @@ -654,16 +654,17 @@ void doMode (int argc, char *argv []) mode = argv [3] ; - /**/ if (strcasecmp (mode, "in") == 0) pinMode (pin, INPUT) ; - else if (strcasecmp (mode, "input") == 0) pinMode (pin, INPUT) ; - else if (strcasecmp (mode, "out") == 0) pinMode (pin, OUTPUT) ; - else if (strcasecmp (mode, "output") == 0) pinMode (pin, OUTPUT) ; - else if (strcasecmp (mode, "pwm") == 0) pinMode (pin, PWM_OUTPUT) ; - else if (strcasecmp (mode, "clock") == 0) pinMode (pin, GPIO_CLOCK) ; - else if (strcasecmp (mode, "up") == 0) pullUpDnControl (pin, PUD_UP) ; - else if (strcasecmp (mode, "down") == 0) pullUpDnControl (pin, PUD_DOWN) ; - else if (strcasecmp (mode, "tri") == 0) pullUpDnControl (pin, PUD_OFF) ; - else if (strcasecmp (mode, "off") == 0) pullUpDnControl (pin, PUD_OFF) ; + /**/ if (strcasecmp (mode, "in") == 0) pinMode (pin, INPUT) ; + else if (strcasecmp (mode, "input") == 0) pinMode (pin, INPUT) ; + else if (strcasecmp (mode, "out") == 0) pinMode (pin, OUTPUT) ; + else if (strcasecmp (mode, "output") == 0) pinMode (pin, OUTPUT) ; + else if (strcasecmp (mode, "pwm") == 0) pinMode (pin, PWM_OUTPUT) ; + else if (strcasecmp (mode, "pwmTone") == 0) pinMode (pin, PWM_TONE_OUTPUT) ; + else if (strcasecmp (mode, "clock") == 0) pinMode (pin, GPIO_CLOCK) ; + else if (strcasecmp (mode, "up") == 0) pullUpDnControl (pin, PUD_UP) ; + else if (strcasecmp (mode, "down") == 0) pullUpDnControl (pin, PUD_DOWN) ; + else if (strcasecmp (mode, "tri") == 0) pullUpDnControl (pin, PUD_OFF) ; + else if (strcasecmp (mode, "off") == 0) pullUpDnControl (pin, PUD_OFF) ; // Undocumented @@ -742,7 +743,7 @@ static void doGbw (int argc, char *argv []) exit (1) ; } - if ((value < 0) || (value > 1023)) + if ((value < 0) || (value > 255)) { fprintf (stderr, "%s: gbw: Value must be from 0 to 255\n", argv [0]) ; exit (1) ; @@ -933,6 +934,30 @@ void doToggle (int argc, char *argv []) digitalWrite (pin, !digitalRead (pin)) ; } + +/* + * doPwmTone: + * Output a tone in a PWM pin + ********************************************************************************* + */ + +void doPwmTone (int argc, char *argv []) +{ + int pin, freq ; + + if (argc != 4) + { + fprintf (stderr, "Usage: %s pwmTone \n", argv [0]) ; + exit (1) ; + } + + pin = atoi (argv [2]) ; + freq = atoi (argv [3]) ; + + pwmToneWrite (pin, freq) ; +} + + /* * doClock: * Output a clock on a pin @@ -1100,7 +1125,7 @@ int main (int argc, char *argv []) if (strcasecmp (argv [1], "-warranty") == 0) { printf ("gpio version: %s\n", VERSION) ; - printf ("Copyright (c) 2012-2013 Gordon Henderson\n") ; + printf ("Copyright (c) 2012-2014 Gordon Henderson\n") ; printf ("\n") ; printf (" This program is free software; you can redistribute it and/or modify\n") ; printf (" it under the terms of the GNU Leser General Public License as published\n") ; @@ -1228,6 +1253,7 @@ int main (int argc, char *argv []) else if (strcasecmp (argv [1], "pwm-ms" ) == 0) doPwmMode (PWM_MODE_MS) ; else if (strcasecmp (argv [1], "pwmr" ) == 0) doPwmRange (argc, argv) ; else if (strcasecmp (argv [1], "pwmc" ) == 0) doPwmClock (argc, argv) ; + else if (strcasecmp (argv [1], "pwmTone" ) == 0) doPwmTone (argc, argv) ; else if (strcasecmp (argv [1], "drive" ) == 0) doPadDrive (argc, argv) ; else if (strcasecmp (argv [1], "readall" ) == 0) doReadallOld () ; else if (strcasecmp (argv [1], "nreadall" ) == 0) doReadall () ; diff --git a/gpio/readall.c b/gpio/readall.c index b363d3b..a92e58c 100644 --- a/gpio/readall.c +++ b/gpio/readall.c @@ -119,11 +119,16 @@ static int physToWpi [64] = 13, 6, 14, 10, -1, 11, // 25, 26 - - -1, -1, -1, -1, -1, // ... 31 - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // ... 47 + 30, 31, // Actually I2C, but not used + 21, -1, + 22, 26, + 23, -1, + 24, 27, + 25, 28, + -1, 29, + -1, -1, -1, -1, -1, -1, -1, // ... 47 -1, -1, -1, -1, -1, // ... 52 - 28, 29, 30, 31, // ... 53, 54, 55, 56 - P5 + 17, 18, 19, 20, // ... 53, 54, 55, 56 - P5 -1, -1, -1, -1, -1, -1, -1, // ... 63 } ; @@ -131,25 +136,34 @@ static char *physNames [64] = { NULL, - "3.3v", "5v", - "SDA", "5V", - "SCL", "0v", - "GPIO7", "TxD", - "0v", "RxD", - "GPIO0", "GPIO1", - "GPIO2", "0v", - "GPIO3", "GPIO4", - "3.3v", "GPIO5", - "MOSI", "0v", - "MISO", "GPIO6", - "SCLK", "CE0", - "0v", "CE1", - - NULL,NULL,NULL,NULL,NULL, // ... 31 - NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, // ... 47 - NULL,NULL,NULL,NULL,NULL, // ... 52 - "GPIO8", "GPIO9", "GPIO10", "GPIO11", // ... 53, 54, 55, 56 - P5 - NULL,NULL,NULL,NULL,NULL,NULL, // ... 63 + " 3.3v", "5v ", + " SDA.1", "5V ", + " SCL.1", "0v ", + "GPIO. 7", "TxD ", + " 0v", "RxD ", + "GPIO. 0", "GPIO. 1", + "GPIO. 2", "0v ", + "GPIO. 3", "GPIO. 4", + " 3.3v", "GPIO. 5", + " MOSI", "0v ", + " MISO", "GPIO. 6", + " SCLK", "CE0 ", + " 0v", "CE1 ", + " SDA.0", "SCL0 ", + "GPIO.21", "0v ", + "GPIO.22", "GPIO.26", + "GPIO.23", "0v ", + "GPIO.24", "GPIO.27", + "GPIO.25", "GPIO.28", + " 0v", "GPIO.29", + NULL, NULL, + NULL, NULL, + NULL, NULL, + NULL, NULL, + NULL, NULL, + "GPIO.17", "GPIO.18", + "GPIO.19", "GPIO.20", + NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, } ; static void readallPhys (int physPin) @@ -171,7 +185,7 @@ static void readallPhys (int physPin) printf (" | %3d", physToWpi [physPin]) ; } - printf (" | %5s", physNames [physPin]) ; + printf (" | %s", physNames [physPin]) ; if (physToWpi [physPin] == -1) printf (" | | ") ; @@ -264,6 +278,39 @@ int cmReadall (void) } +/* + * bPlusReadall: + * Read all the pins on the model B+ + ********************************************************************************* + */ + +int bPlusReadall (void) +{ + int model, rev, mem ; + int pin ; + char *maker ; + char *name ; + + piBoardId (&model, &rev, &mem, &maker) ; + if (model != PI_MODEL_BPLUS) + return FALSE ; + + /**/ if (wpMode == WPI_MODE_GPIO) + name = "BCM" ; + else + name = "wPi" ; + + printf (" +-----+---------+------+----+--B Plus--+----+------+---------+-----+\n") ; + printf (" | %s | Name | Mode | Val| Physical |Val | Mode | Name | %s |\n", name, name) ; + printf (" +-----+---------+------+----+----++----+----+------+---------+-----+\n") ; + for (pin = 1 ; pin <= 40 ; pin += 2) + readallPhys (pin) ; + printf (" +-----+---------+------+----+----++----+----+------+---------+-----+\n") ; + + return TRUE ; +} + + void doReadall (void) { int pin ; @@ -277,6 +324,9 @@ void doReadall (void) if (cmReadall ()) return ; + if (bPlusReadall ()) + return ; + /**/ if (wpMode == WPI_MODE_GPIO) { printf (" +-----+-------+------+----+-Rev%d-----+----+------+-------+-----+\n", piBoardRev ()) ; @@ -320,6 +370,9 @@ void doReadallOld (void) if (cmReadall ()) return ; + if (bPlusReadall ()) + return ; + printf ("+----------+-Rev%d-+------+--------+------+-------+\n", piBoardRev ()) ; printf ("| wiringPi | GPIO | Phys | Name | Mode | Value |\n") ; printf ("+----------+------+------+--------+------+-------+\n") ; diff --git a/wiringPi/wiringPi.c b/wiringPi/wiringPi.c index f0e8282..1e1cfe4 100644 --- a/wiringPi/wiringPi.c +++ b/wiringPi/wiringPi.c @@ -234,14 +234,16 @@ static void (*isrFunctions [64])(void) ; // pinToGpio: // Take a Wiring pin (0 through X) and re-map it to the BCM_GPIO pin -// Cope for 2 different board revisions here. +// Cope for 3 different board revisions here. static int *pinToGpio ; +// Revision 1, 1.1: + static int pinToGpioR1 [64] = { 17, 18, 21, 22, 23, 24, 25, 4, // From the Original Wiki - GPIO 0 through 7: wpi 0 - 7 - 0, 1, // I2C - SDA0, SCL0 wpi 8 - 9 + 0, 1, // I2C - SDA1, SCL1 wpi 8 - 9 8, 7, // SPI - CE1, CE0 wpi 10 - 11 10, 9, 11, // SPI - MOSI, MISO, SCLK wpi 12 - 14 14, 15, // UART - Tx, Rx wpi 15 - 16 @@ -253,6 +255,8 @@ static int pinToGpioR1 [64] = -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // ... 63 } ; +// Revision 2: + static int pinToGpioR2 [64] = { 17, 18, 27, 22, 23, 24, 25, 4, // From the Original Wiki - GPIO 0 through 7: wpi 0 - 7 @@ -260,11 +264,13 @@ static int pinToGpioR2 [64] = 8, 7, // SPI - CE1, CE0 wpi 10 - 11 10, 9, 11, // SPI - MOSI, MISO, SCLK wpi 12 - 14 14, 15, // UART - Tx, Rx wpi 15 - 16 - 28, 29, 30, 31, // New GPIOs 8 though 11 wpi 17 - 20 + 28, 29, 30, 31, // Rev 2: New GPIOs 8 though 11 wpi 17 - 20 + 5, 6, 13, 19, 26, // B+ wpi 21, 22, 23, 24, 25 + 12, 16, 20, 21, // B+ wpi 26, 27, 28, 29 + 0, 1, // B+ wpi 30, 31 // Padding: - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // ... 31 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // ... 47 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // ... 63 } ; @@ -316,16 +322,24 @@ static int physToGpioR2 [64] = 11, 8, -1, 7, // 25, 26 +// B+ + + 0, 1, + 5, -1, + 6, 12, + 13, -1, + 19, 16, + 26, 20, + -1, 21, + // the P5 connector on the Rev 2 boards: - -1, -1, -1, -1, -1, // ... 31 - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // ... 47 + -1, -1, -1, -1, -1, -1, -1, // ... 47 -1, -1, -1, -1, -1, // ... 52 28, 29, 30, 31, // ... 53, 54, 55, 56 - P5 -1, -1, -1, -1, -1, -1, -1, // ... 63 } ; - // gpioToGPFSEL: // Map a BCM_GPIO pin to it's Function Selection // control port. (GPFSEL 0-5) @@ -395,7 +409,7 @@ static uint8_t gpioToEDS [] = } ; // gpioToREN -// (Word) offset to the Rising edgde ENable register +// (Word) offset to the Rising edge ENable register static uint8_t gpioToREN [] = { @@ -563,6 +577,7 @@ int wiringPiFailure (int fatal, const char *message, ...) * 000d - Model B, Rev 2, 512MB, Egoman * 000e - Model B, Rev 2, 512MB, Sony * 000f - Model B, Rev 2, 512MB, Qisda + * 0010 - Model B+ 512MB, Sony * 0011 - Pi compute Module * * A small thorn is the olde style overvolting - that will add in @@ -655,6 +670,7 @@ const char *piModelNames [] = { "Model A", "Model B", + "Model B+", "Compute Module", } ; @@ -663,6 +679,7 @@ const char *piRevisionNames[] = "1", "1.1", "2", + "1.2", } ; void piBoardId (int *model, int *rev, int *mem, char **maker) @@ -721,7 +738,8 @@ void piBoardId (int *model, int *rev, int *mem, char **maker) else if (strcmp (c, "000d") == 0) { *model = 1 ; *rev = 2 ; *mem = 512 ; *maker = "Egoman" ; } else if (strcmp (c, "000e") == 0) { *model = 1 ; *rev = 2 ; *mem = 512 ; *maker = "Sony" ; } else if (strcmp (c, "000f") == 0) { *model = 1 ; *rev = 2 ; *mem = 512 ; *maker = "Egoman" ; } - else if (strcmp (c, "0011") == 0) { *model = 2 ; *rev = 1 ; *mem = 512 ; *maker = "Sony" ; } + else if (strcmp (c, "0010") == 0) { *model = 2 ; *rev = 3 ; *mem = 512 ; *maker = "Sony" ; } + else if (strcmp (c, "0011") == 0) { *model = 3 ; *rev = 1 ; *mem = 512 ; *maker = "Sony" ; } else { *model = 0 ; *rev = 0 ; *mem = 0 ; *maker = "Unkn" ; } } @@ -1081,6 +1099,11 @@ void pinMode (int pin, int mode) softPwmCreate (origPin, 0, 100) ; else if (mode == SOFT_TONE_OUTPUT) softToneCreate (origPin) ; + else if (mode == PWM_TONE_OUTPUT) + { + pinMode (origPin, PWM_OUTPUT) ; // Call myself to enable PWM mode + pwmSetMode (PWM_MODE_MS) ; + } else if (mode == PWM_OUTPUT) { if ((alt = gpioToPwmALT [pin]) == 0) // Not a hardware capable PWM pin @@ -1306,6 +1329,28 @@ void analogWrite (int pin, int value) } +/* + * pwmToneWrite: + * Pi Specific. + * Output the given frequency on the Pi's PWM pin + ********************************************************************************* + */ + +void pwmToneWrite (int pin, int freq) +{ + int range ; + + if (freq == 0) + pwmWrite (pin, 0) ; // Off + else + { + range = 600000 / freq ; + pwmSetRange (range) ; + pwmWrite (pin, freq / 2) ; + } +} + + /* * digitalWriteByte: @@ -1670,12 +1715,12 @@ int wiringPiSetup (void) boardRev = piBoardRev () ; - if (boardRev == 1) + /**/ if (boardRev == 1) // A, B, Rev 1, 1.1 { pinToGpio = pinToGpioR1 ; physToGpio = physToGpioR1 ; } - else + else // A, B, Rev 2, B+, CM { pinToGpio = pinToGpioR2 ; physToGpio = physToGpioR2 ; diff --git a/wiringPi/wiringPi.h b/wiringPi/wiringPi.h index 5117cc9..78ff87d 100644 --- a/wiringPi/wiringPi.h +++ b/wiringPi/wiringPi.h @@ -44,6 +44,7 @@ #define GPIO_CLOCK 3 #define SOFT_PWM_OUTPUT 4 #define SOFT_TONE_OUTPUT 5 +#define PWM_TONE_OUTPUT 6 #define LOW 0 #define HIGH 1 @@ -70,7 +71,8 @@ #define PI_MODEL_A 0 #define PI_MODEL_B 1 -#define PI_MODEL_CM 2 +#define PI_MODEL_BPLUS 2 +#define PI_MODEL_CM 3 // Threads @@ -128,7 +130,6 @@ extern "C" { extern const char *piModelNames [] ; extern const char *piRevisionNames[] ; -extern const char *piComputeRevisionNames[] ; // Internal @@ -167,6 +168,7 @@ extern int wpiPinToGpio (int wpiPin) ; extern int physPinToGpio (int physPin) ; extern void setPadDrive (int group, int value) ; extern int getAlt (int pin) ; +extern void pwmToneWrite (int pin, int freq) ; extern void digitalWriteByte (int value) ; extern void pwmSetMode (int mode) ; extern void pwmSetRange (unsigned int range) ;