esp8266: Add mp_hal_pin_input() and mp_hal_pin_output() functions.
diff --git a/esp8266/modpybpin.c b/esp8266/modpybpin.c
index 6b9e202..166d6f5 100644
--- a/esp8266/modpybpin.c
+++ b/esp8266/modpybpin.c
@@ -36,6 +36,7 @@
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/gc.h"
+#include "py/mphal.h"
#include "modpyb.h"
#define GET_TRIGGER(phys_port) \
@@ -123,6 +124,34 @@
return mp_obj_get_pin_obj(pin_in)->phys_port;
}
+void mp_hal_pin_input(mp_hal_pin_obj_t pin_id) {
+ pin_mode[pin_id] = GPIO_MODE_INPUT;
+ if (pin_id == 16) {
+ WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | 1);
+ WRITE_PERI_REG(RTC_GPIO_CONF, READ_PERI_REG(RTC_GPIO_CONF) & ~1);
+ WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1)); // input
+ } else {
+ const pyb_pin_obj_t *self = &pyb_pin_obj[pin_id];
+ PIN_FUNC_SELECT(self->periph, self->func);
+ PIN_PULLUP_DIS(self->periph);
+ gpio_output_set(0, 0, 0, 1 << self->phys_port);
+ }
+}
+
+void mp_hal_pin_output(mp_hal_pin_obj_t pin_id) {
+ pin_mode[pin_id] = GPIO_MODE_OUTPUT;
+ if (pin_id == 16) {
+ WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | 1);
+ WRITE_PERI_REG(RTC_GPIO_CONF, READ_PERI_REG(RTC_GPIO_CONF) & ~1);
+ WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1) | 1); // output
+ } else {
+ const pyb_pin_obj_t *self = &pyb_pin_obj[pin_id];
+ PIN_FUNC_SELECT(self->periph, self->func);
+ PIN_PULLUP_DIS(self->periph);
+ gpio_output_set(0, 0, 1 << self->phys_port, 0);
+ }
+}
+
int pin_get(uint pin) {
if (pin == 16) {
return READ_PERI_REG(RTC_GPIO_IN_DATA) & 1;