/**
* @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
*/
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
#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