(Almost done) pin refactoring

[matches/MCTX3420.git] / server / bbb_pin_defines.c

diff --git a/server/bbb_pin_defines.c b/server/bbb_pin_defines.c
index ff7caea..df5b5c0 100644 (file)
--- a/server/bbb_pin_defines.c
+++ b/server/bbb_pin_defines.c
@@ -1,47 +1,47 @@
 #include "bbb_pin_defines.h"
 
 /** 
- * A lookup table from header number to GPIO pin number.
- * e.g P8_13 is g_gpio_lut[0*46+13] = g_gpio_lut[13]
- * e.g P9_13 is g_gpio_lut[1*46+13] = g_gpio_lut[59]
+ * A lookup table from the actual pin number to GPIO number.
+ * e.g P8_13 is g_pin_real_to_gpio[0*46+13] = g_pin_real_to_gpio[13]
+ * e.g P9_13 is g_pin_real_to_gpio[1*46+13] = g_pin_real_to_gpio[59]
  *
  * Where the returned value is 0, there is no GPIO pin
  * at that location.
  */
-const unsigned char g_pin_to_gpio[GPIO_LUT_SIZE] = {
-         0,   0,   0,   0,   0,   0,   0,  66,  67,  69,  68,  45,  44,  23,
-        26,  47,  46,  27,  65,  22,   0,   0,   0,   0,   0,   0,  61,  86,
+const unsigned char g_pin_real_to_gpio[BBB_PIN_COUNT+1] = {
+         0,   0,   0,   0,   0,   0,   0,  66,  67,  69,  68,  45,  44,   0,
+        26,  47,  46,  27,  65,   0,   0,   0,   0,   0,   0,   0,  61,  86,
         88,  87,  89,  10,  11,   9,  81,   8,  80,  78,  79,  76,  77,  74,
         75,  72,  73,  70,  71,   0,   0,   0,   0,   0,   0,   0,   0,   0,
-         0,  30,  60,  31,  50,  48,  51,   5,   4,   0,   0,   3,   2,  49,
+         0,  30,  60,  31,   0,  48,   0,   5,   4,   0,   0,   0,   0,  49,
         15, 117,  14, 115,   0,   0, 112,   0,   0,   0,   0,   0,   0,   0,
          0,   0,   0,   0,   0,   0,   0,   0,   0
 };
 
 /**
- * Converts GPIO number to index for g_gpio, or 128 if no map.
+ * 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_gpio_to_index[GPIO_INDEX_SIZE] = {
-       128, 128,   0,   1,   2,   3, 128, 128,   4,   5,   6,   7, 128, 128,
-         8,   9, 128, 128, 128, 128, 128, 128,  10,  11, 128, 128,  12,  13,
-       128, 128,  14,  15, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
-       128, 128,  16,  17,  18,  19,  20,  21,  22,  23, 128, 128, 128, 128,
-       128, 128, 128, 128,  24,  25, 128, 128, 128,  26,  27,  28,  29,  30,
-        31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42, 128, 128,
-       128, 128,  43,  44,  45,  46, 128, 128, 128, 128, 128, 128, 128, 128,
+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,
-        47, 128, 128,  48, 128,  49, 128, 128, 128, 128, 128, 128, 128, 128,
-       128, 128
+        41, 128, 128,  42, 128,  43
 };
 
 /**
- * Converts index number of g_gpio into the gpio number
+ * Maps an index in g_gpio to the corresponding GPIO number.
  */
-const unsigned char g_index_to_gpio[GPIO_NUM_PINS] = {
-         2,   3,   4,   5,   8,   9,  10,  11,  14,  15,  22,  23,  26,  27,
-        30,  31,  44,  45,  46,  47,  48,  49,  50,  51,  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, 117
+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, 117
 };
 
 /**