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M6 shutdown and LEDs work (#9065)

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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Jonathan Bennett
2025-12-24 07:48:14 -06:00
parent e899e84ef9
commit 4fbe5356ca
3 changed files with 32 additions and 2 deletions
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27
variants/nrf52840/ELECROW-ThinkNode-M6/variant.cpp
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@@ -41,3 +41,30 @@ void initVariant()
pinMode(VDD_FLASH_EN, OUTPUT);
digitalWrite(VDD_FLASH_EN, HIGH);
}
// called from main-nrf52.cpp during the cpuDeepSleep() function
void variant_shutdown()
{
// This sets the pin to OUTPUT and LOW for the pins *not* in the if block.
for (int pin = 0; pin < 48; pin++) {
if (pin == PIN_GPS_EN || pin == ADC_CTRL || pin == PIN_BUTTON1 || pin == PIN_SPI_MISO || pin == PIN_SPI_MOSI ||
pin == PIN_SPI_SCK) {
continue;
}
pinMode(pin, OUTPUT);
digitalWrite(pin, LOW);
if (pin >= 32) {
NRF_P1->DIRCLR = (1 << (pin - 32));
} else {
NRF_GPIO->DIRCLR = (1 << pin);
}
}
digitalWrite(PIN_GPS_EN, LOW);
digitalWrite(ADC_CTRL, LOW);
// digitalWrite(RTC_POWER, LOW);
nrf_gpio_cfg_input(PIN_BUTTON1, NRF_GPIO_PIN_PULLUP); // Configure the pin to be woken up as an input
nrf_gpio_pin_sense_t sense1 = NRF_GPIO_PIN_SENSE_LOW;
nrf_gpio_cfg_sense_set(PIN_BUTTON1, sense1);
}

4
variants/nrf52840/ELECROW-ThinkNode-M6/variant.h
View File

@@ -44,8 +44,10 @@ extern "C" {
#define LED_BLUE -1
#define LED_CHARGE (12)
#define LED_PAIRING (7)
#define PIN_LED2 LED_PAIRING
#define LED_STATE_ON 1
#define LED_STATE_ON HIGH
#define LED_STATE_OFF LOW
// USB power detection
#define EXT_PWR_DETECT (13)