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STM32 ANALOGOUT and DEEPSLEEP #13221

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Merged
merged 1 commit into from
Jul 3, 2020
Merged

STM32 ANALOGOUT and DEEPSLEEP #13221

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6 changes: 6 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L4/analogout_device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
#include "pinmap.h"
#include "mbed_error.h"
#include "PeripheralPins.h"
#include "mbed_power_mgmt.h"

// These variables are used for the "free" function
static int channel1_used = 0;
Expand Down Expand Up @@ -106,6 +107,9 @@ static void _analogout_init_direct(dac_t *obj, const PinMap *pinmap)
}

analogout_write_u16(obj, 0);

/* DAC cannot be used in deepsleep/STOP mode */
sleep_manager_lock_deep_sleep();
}

void analogout_init(dac_t *obj, PinName pin)
Expand Down Expand Up @@ -138,6 +142,8 @@ void analogout_free(dac_t *obj)

// Configure GPIO
pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));

sleep_manager_unlock_deep_sleep();
}

const PinMap *analogout_pinmap()
Expand Down