X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=server%2Fbbb_pin.c;h=bd31365cdecb61aa17768554531d680bfb6b4f19;hb=6bc90047ed36b392d90a1bf778baf9687b835f2d;hp=7248c5abe97786ea139eaa9a2b44f0cebc005a77;hpb=7206c183756185eeea99afec12f11506810a0a33;p=matches%2FMCTX3420.git

diff --git a/server/bbb_pin.c b/server/bbb_pin.c
index 7248c5a..bd31365 100644
--- a/server/bbb_pin.c
+++ b/server/bbb_pin.c
@@ -1,6 +1,7 @@
 /**
  * @file bbb_pin.c
- * @purpose Implementation of BBB pin control functions and structures
+ * @brief Implementation of BBB pin control functions and structures
+ * On non-beaglebone (actually non-arm) platforms, this code is disabled.
  * THIS CODE IS NOT THREADSAFE
  */
 
@@ -55,6 +56,32 @@ static PWM_Pin g_pwm[PWM_NUM_PINS] = {{0}};
 
 static char g_buffer[BUFSIZ] = {0};
 
+/**
+ * Maps a GPIO number to an index into g_gpio (only for use in bbb_pin.c)
+ * If there is no index for that GPIO number, 128 is returned.
+ */
+const unsigned char g_pin_gpio_to_index[GPIO_MAX_NUMBER+1] = {
+	128, 128, 128, 128,   0,   1, 128, 128,   2,   3,   4,   5, 128, 128,
+	  6,   7, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,   8,   9,
+	128, 128,  10,  11, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+	128, 128,  12,  13,  14,  15,  16,  17, 128, 128, 128, 128, 128, 128,
+	128, 128, 128, 128,  18,  19, 128, 128, 128,  20,  21,  22,  23,  24,
+	 25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36, 128, 128,
+	128, 128,  37,  38,  39,  40, 128, 128, 128, 128, 128, 128, 128, 128,
+	128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+	 41, 128, 128,  42
+};
+
+/**
+ * Maps an index in g_gpio to the corresponding GPIO number.
+ */
+const unsigned char g_pin_index_to_gpio[GPIO_NUM_PINS] = {
+	  4,   5,   8,   9,  10,  11,  14,  15,  26,  27,  30,  31,  44,  45,
+	 46,  47,  48,  49,  60,  61,  65,  66,  67,  68,  69,  70,  71,  72,
+	 73,  74,  75,  76,  77,  78,  79,  80,  81,  86,  87,  88,  89, 112,
+	115
+};
+
 /**
  * Export a GPIO pin and open the file descriptors
  * @param pin The GPIO number to be exported
@@ -474,7 +501,8 @@ bool ADC_Read(int id, int *value)
 
 	if (pread(g_adc[id].fd_value, adc_str, ADC_DIGITS-1, 0) == -1)
 	{
-		AbortBool("ADC %d read failed: %s", id, strerror(errno));
+		//AbortBool("ADC %d read failed: %s", id, strerror(errno));
+		return false;
 	}
 
 	*value = strtol(adc_str, NULL, 10);
@@ -483,7 +511,7 @@ bool ADC_Read(int id, int *value)
 
 #ifndef _BBB
 //For running on systems that are not the BBB
-bool True_Stub(void *arg, ...) { return true; }
+bool True_Stub(int arg, ...) { return true; }
 bool ADC_Read_Stub(int *val, ...) { *val = 0; return true; }
 bool GPIO_Read_Stub(bool *val, ...) { *val = false; return true; }
 #endif