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samples: boards: stm32: usbc: initialize devices at compile time

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Initialize ADC device at compile time, allowing to constify the device
pointer.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-08-17 14:19:51 +02:00 committed by Carles Cufí
parent a11848fc32
commit e4e85d3fa2
1 changed files with 2 additions and 2 deletions
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4
samples/boards/stm32/usbc/sink/src/stm32g081b_eval_board.c
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@ -27,7 +27,8 @@ static const struct gpio_dt_spec discharge_vbus = GPIO_DT_SPEC_GET(DISCHARGE_VBU
#define ADC_ACQUISITION_TIME ADC_ACQ_TIME_DEFAULT
#define ADC_REF_MV 3300
static const struct device *dev_adc;
static const struct device *const dev_adc =
DEVICE_DT_GET(DT_IO_CHANNELS_CTLR(VBUS));
static int16_t sample_buffer;
static const uint32_t output_ohm = DT_PROP(VBUS, output_ohms);
@ -94,7 +95,6 @@ int board_config(void)
{
int ret;
dev_adc = DEVICE_DT_GET(DT_IO_CHANNELS_CTLR(VBUS));
if (!device_is_ready(dev_adc)) {
printk("ADC device not found\n");
return -ENODEV;