58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#include "pin_map.h"
|
|
#include "eagle_soc.h"
|
|
#include "mem.h"
|
|
#include "osapi.h"
|
|
|
|
uint32_t pin_mux[GPIO_PIN_NUM];
|
|
uint8_t pin_num[GPIO_PIN_NUM];
|
|
uint8_t pin_func[GPIO_PIN_NUM];
|
|
#ifdef GPIO_INTERRUPT_ENABLE
|
|
uint8_t pin_num_inv[GPIO_PIN_NUM_INV];
|
|
uint8_t pin_int_type[GPIO_PIN_NUM];
|
|
#endif
|
|
|
|
typedef struct {
|
|
int8 mux;
|
|
uint8 num;
|
|
uint8 func;
|
|
uint8 intr_type;
|
|
} pin_rec;
|
|
#define DECLARE_PIN(n,p) { (PERIPHS_IO_MUX_##p##_U - PERIPHS_IO_MUX), n, FUNC_GPIO##n, GPIO_PIN_INTR_DISABLE}
|
|
static const pin_rec pin_map[] = {
|
|
{PAD_XPD_DCDC_CONF - PERIPHS_IO_MUX, 16, 0, GPIO_PIN_INTR_DISABLE},
|
|
DECLARE_PIN( 5, GPIO5),
|
|
DECLARE_PIN( 4, GPIO4),
|
|
DECLARE_PIN( 0, GPIO0),
|
|
DECLARE_PIN( 2, GPIO2),
|
|
DECLARE_PIN(14, MTMS),
|
|
DECLARE_PIN(12, MTDI),
|
|
DECLARE_PIN(13, MTCK),
|
|
DECLARE_PIN(15, MTDO),
|
|
DECLARE_PIN( 3, U0RXD),
|
|
DECLARE_PIN( 1, U0TXD),
|
|
DECLARE_PIN( 9, SD_DATA2),
|
|
DECLARE_PIN(10, SD_DATA3)
|
|
};
|
|
void get_pin_map(void) {
|
|
/*
|
|
* Flash copy of the pin map. This has to be copied to RAM to be accessible from the ISR.
|
|
* Note that the mux field is a signed offset from PERIPHS_IO_MUX to allow the whole struct
|
|
* to be stored in a single 32-bit record.
|
|
*/
|
|
int i;
|
|
/* Take temporary stack copy to avoid unaligned exceptions on Flash version */
|
|
pin_rec pin[GPIO_PIN_NUM];
|
|
os_memcpy(pin, pin_map, sizeof(pin_map) );
|
|
|
|
for (i=0; i<GPIO_PIN_NUM; i++) {
|
|
pin_mux[i] = pin[i].mux + PERIPHS_IO_MUX;
|
|
pin_func[i] = pin[i].func;
|
|
pin_num[i] = pin[i].num;
|
|
#ifdef GPIO_INTERRUPT_ENABLE
|
|
pin_num_inv[pin_num[i]] = i;
|
|
pin_int_type[i] = pin[i].intr_type;
|
|
#endif
|
|
}
|
|
}
|
|
|