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cpb: Disable the onboard speaker until request #2262

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Merged
merged 2 commits into from
Nov 3, 2019
Merged

cpb: Disable the onboard speaker until request #2262

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fe47eba
nRF: Handle SPEAKER_ENABLE_PIN
jepler Nov 1, 2019
2bdccf0
cpb: define the SPEAKER_ENABLE_PIN
jepler Nov 1, 2019
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2 changes: 2 additions & 0 deletions ports/nrf/boards/circuitplayground_bluefruit/mpconfigboard.h
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Original file line number Diff line number Diff line change
Expand Up @@ -70,3 +70,5 @@

#define DEFAULT_UART_BUS_RX (&pin_P0_30)
#define DEFAULT_UART_BUS_TX (&pin_P0_14)

#define SPEAKER_ENABLE_PIN (&pin_P1_04)
24 changes: 16 additions & 8 deletions ports/nrf/common-hal/microcontroller/Pin.c
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
*/

#include "shared-bindings/microcontroller/Pin.h"
#include "shared-bindings/digitalio/DigitalInOut.h"

#include "nrf_gpio.h"
#include "py/mphal.h"
Expand All @@ -47,6 +48,19 @@ bool speaker_enable_in_use;
STATIC uint32_t claimed_pins[GPIO_COUNT];
STATIC uint32_t never_reset_pins[GPIO_COUNT];

STATIC void reset_speaker_enable_pin(void) {
#ifdef SPEAKER_ENABLE_PIN
speaker_enable_in_use = false;
nrf_gpio_cfg(SPEAKER_ENABLE_PIN->number,
NRF_GPIO_PIN_DIR_OUTPUT,
NRF_GPIO_PIN_INPUT_DISCONNECT,
NRF_GPIO_PIN_NOPULL,
NRF_GPIO_PIN_H0H1,
NRF_GPIO_PIN_NOSENSE);
nrf_gpio_pin_write(SPEAKER_ENABLE_PIN->number, false);
#endif
}

void reset_all_pins(void) {
for (size_t i = 0; i < GPIO_COUNT; i++) {
claimed_pins[i] = never_reset_pins[i];
Expand All @@ -68,10 +82,7 @@ void reset_all_pins(void) {
#endif

// After configuring SWD because it may be shared.
#ifdef SPEAKER_ENABLE_PIN
speaker_enable_in_use = false;
// TODO set pin to out and turn off.
#endif
reset_speaker_enable_pin();
}

// Mark pin as free and return it to a quiescent state.
Expand Down Expand Up @@ -104,10 +115,7 @@ void reset_pin_number(uint8_t pin_number) {

#ifdef SPEAKER_ENABLE_PIN
if (pin_number == SPEAKER_ENABLE_PIN->number) {
speaker_enable_in_use = false;
common_hal_digitalio_digitalinout_switch_to_output(SPEAKER_ENABLE_PIN, true, DRIVE_MODE_PUSH_PULL);
nrf_gpio_pin_dir_set(pin_number, NRF_GPIO_PIN_DIR_OUTPUT);
nrf_gpio_pin_write(pin_number, false);
reset_speaker_enable_pin();
}
#endif
}
Expand Down