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| author | Damien George <damien.p.george@gmail.com> | 2016-04-12 13:54:40 +0100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2016-04-12 14:06:54 +0100 |
| commit | ac63ca7bc57e24008d25c0826c5c0c42abf38b13 (patch) | |
| tree | 7e8e68bfa21d2d791756a99e4ec8f986a0402210 /esp8266 | |
| parent | 1a65ff1b72f4cccecc797902d9713bce57b17588 (diff) | |
| download | micropython-ac63ca7bc57e24008d25c0826c5c0c42abf38b13.tar.gz micropython-ac63ca7bc57e24008d25c0826c5c0c42abf38b13.zip | |
esp8266: Implement basic C-level pin HAL.
Diffstat (limited to 'esp8266')
| -rw-r--r-- | esp8266/esp_mphal.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/esp8266/esp_mphal.h b/esp8266/esp_mphal.h index 6713e42551..ec2ed5b61d 100644 --- a/esp8266/esp_mphal.h +++ b/esp8266/esp_mphal.h @@ -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_ |