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Merge pull request #337 from tannewt/fix_pin_reset

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esp8266: Actually disable pins when reset on reload.
This commit is contained in:
Dan Halbert 2017-10-16 18:42:22 -04:00 committed by GitHub
commit 2148211314
1 changed files with 5 additions and 1 deletions
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6
esp8266/common-hal/microcontroller/Pin.c
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@ -28,6 +28,8 @@
#include "common-hal/microcontroller/Pin.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "py/mphal.h"
#include "eagle_soc.h"
extern volatile bool adc_in_use;
@ -48,11 +50,13 @@ bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t* pin) {
void reset_pins(void) {
for (int i = 0; i < 17; i++) {
// 5 is RXD, 6 is TXD
if (i == 0 || (i > 4 && i < 13) || i == 12) {
if ((i > 4 && i < 13) || i == 12) {
continue;
}
uint32_t peripheral = PERIPHS_IO_MUX + i * 4;
PIN_FUNC_SELECT(peripheral, 0);
PIN_PULLUP_DIS(peripheral);
// Disable the pin.
gpio_output_set(0x0, 0x0, 0x0, 1 << i);
}
}