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@ -25,6 +25,7 @@
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*/
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-bindings/digitalio/DigitalInOut.h"
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#include "nrf_gpio.h"
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#include "py/mphal.h"
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@ -47,6 +48,19 @@ bool speaker_enable_in_use;
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STATIC uint32_t claimed_pins[GPIO_COUNT];
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STATIC uint32_t never_reset_pins[GPIO_COUNT];
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STATIC void reset_speaker_enable_pin(void) {
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#ifdef SPEAKER_ENABLE_PIN
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speaker_enable_in_use = false;
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nrf_gpio_cfg(SPEAKER_ENABLE_PIN->number,
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NRF_GPIO_PIN_DIR_OUTPUT,
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NRF_GPIO_PIN_INPUT_DISCONNECT,
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NRF_GPIO_PIN_NOPULL,
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NRF_GPIO_PIN_H0H1,
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NRF_GPIO_PIN_NOSENSE);
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nrf_gpio_pin_write(SPEAKER_ENABLE_PIN->number, false);
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#endif
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}
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void reset_all_pins(void) {
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for (size_t i = 0; i < GPIO_COUNT; i++) {
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claimed_pins[i] = never_reset_pins[i];
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@ -68,10 +82,7 @@ void reset_all_pins(void) {
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#endif
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// After configuring SWD because it may be shared.
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#ifdef SPEAKER_ENABLE_PIN
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speaker_enable_in_use = false;
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// TODO set pin to out and turn off.
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#endif
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reset_speaker_enable_pin();
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}
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// Mark pin as free and return it to a quiescent state.
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@ -104,10 +115,7 @@ void reset_pin_number(uint8_t pin_number) {
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#ifdef SPEAKER_ENABLE_PIN
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if (pin_number == SPEAKER_ENABLE_PIN->number) {
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speaker_enable_in_use = false;
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common_hal_digitalio_digitalinout_switch_to_output(SPEAKER_ENABLE_PIN, true, DRIVE_MODE_PUSH_PULL);
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nrf_gpio_pin_dir_set(pin_number, NRF_GPIO_PIN_DIR_OUTPUT);
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nrf_gpio_pin_write(pin_number, false);
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reset_speaker_enable_pin();
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}
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#endif
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}
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