Updated mostly to the gpio readall command to support the Raspberry Pi B+

[wiringPi.git] / wiringPi / wiringPi.c

diff --git a/wiringPi/wiringPi.c b/wiringPi/wiringPi.c
index f0e828265946387a112f4ca0bda34c3868f373dc..1e1cfe4fc9575d996678f7479da13851e67fe2e4 100644 (file)
--- 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 ;