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dpgeorgedpgeorge
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esp8266: Add mp_hal_pin_input() and mp_hal_pin_output() functions.
1 parent 20aa9c8 commit 68e222a

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Lines changed: 31 additions & 0 deletions

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‎esp8266/esp_mphal.h‎

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Original file line numberDiff line numberDiff line change
@@ -68,6 +68,8 @@ void ets_event_poll(void);
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#include "esp8266/modpyb.h"
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#define mp_hal_pin_obj_t uint32_t
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#define mp_hal_get_pin_obj(o) mp_obj_get_pin(o)
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void mp_hal_pin_input(mp_hal_pin_obj_t pin);
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void mp_hal_pin_output(mp_hal_pin_obj_t pin);
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void mp_hal_pin_config_od(mp_hal_pin_obj_t pin);
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#define mp_hal_pin_low(p) do { \
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if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1) | 1); } \

‎esp8266/modpybpin.c‎

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@@ -36,6 +36,7 @@
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#include "py/nlr.h"
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#include "py/runtime.h"
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#include "py/gc.h"
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#include "py/mphal.h"
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#include "modpyb.h"
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#define GET_TRIGGER(phys_port) \
@@ -123,6 +124,34 @@ uint mp_obj_get_pin(mp_obj_t pin_in) {
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return mp_obj_get_pin_obj(pin_in)->phys_port;
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}
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void mp_hal_pin_input(mp_hal_pin_obj_t pin_id) {
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pin_mode[pin_id] = GPIO_MODE_INPUT;
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if (pin_id == 16) {
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WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | 1);
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WRITE_PERI_REG(RTC_GPIO_CONF, READ_PERI_REG(RTC_GPIO_CONF) & ~1);
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WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1)); // input
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} else {
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const pyb_pin_obj_t *self = &pyb_pin_obj[pin_id];
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PIN_FUNC_SELECT(self->periph, self->func);
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PIN_PULLUP_DIS(self->periph);
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gpio_output_set(0, 0, 0, 1 << self->phys_port);
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}
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}
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void mp_hal_pin_output(mp_hal_pin_obj_t pin_id) {
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pin_mode[pin_id] = GPIO_MODE_OUTPUT;
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if (pin_id == 16) {
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WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | 1);
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WRITE_PERI_REG(RTC_GPIO_CONF, READ_PERI_REG(RTC_GPIO_CONF) & ~1);
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WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1) | 1); // output
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} else {
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const pyb_pin_obj_t *self = &pyb_pin_obj[pin_id];
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PIN_FUNC_SELECT(self->periph, self->func);
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PIN_PULLUP_DIS(self->periph);
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gpio_output_set(0, 0, 1 << self->phys_port, 0);
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}
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}
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int pin_get(uint pin) {
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if (pin == 16) {
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return READ_PERI_REG(RTC_GPIO_IN_DATA) & 1;

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