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esp8266: Implement basic C-level pin HAL.

This commit is contained in:
Damien George 2016-04-12 13:54:40 +01:00
parent 1a65ff1b72
commit ac63ca7bc5
1 changed files with 20 additions and 0 deletions
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20
esp8266/esp_mphal.h
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@ -56,4 +56,24 @@ void dupterm_task_init();
void ets_event_poll(void);
#define ETS_POLL_WHILE(cond) { while (cond) ets_event_poll(); }
// C-level pin HAL
#include "etshal.h"
#include "gpio.h"
#include "esp8266/modpyb.h"
#define mp_hal_pin_obj_t pyb_pin_obj_t
#define mp_hal_get_pin_obj(o) mp_obj_get_pin_obj(o)
#define mp_hal_pin_config_od(p) do { \
ETS_GPIO_INTR_DISABLE(); \
PIN_FUNC_SELECT((p)->periph, (p)->func); \
GPIO_REG_WRITE(GPIO_PIN_ADDR(GPIO_ID_PIN((p)->phys_port)), \
GPIO_REG_READ(GPIO_PIN_ADDR(GPIO_ID_PIN((p)->phys_port))) \
| GPIO_PIN_PAD_DRIVER_SET(GPIO_PAD_DRIVER_ENABLE)); /* open drain */ \
GPIO_REG_WRITE(GPIO_ENABLE_ADDRESS, \
GPIO_REG_READ(GPIO_ENABLE_ADDRESS) | (1 << (p)->phys_port)); \
ETS_GPIO_INTR_ENABLE(); \
} while (0)
#define mp_hal_pin_low(p) gpio_output_set(0, 1 << (p)->phys_port, 1 << (p)->phys_port, 0)
#define mp_hal_pin_od_high(p) gpio_output_set(1 << (p)->phys_port, 0, 1 << (p)->phys_port, 0)
#define mp_hal_pin_read(p) GPIO_INPUT_GET(GPIO_ID_PIN((p)->phys_port))
#endif // _INCLUDED_MPHAL_H_