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STM32L0 TEMPERATURE ADC CHANNEL minor update #9246

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Merged
merged 1 commit into from
Jan 3, 2019
Merged

STM32L0 TEMPERATURE ADC CHANNEL minor update #9246

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6 changes: 0 additions & 6 deletions targets/TARGET_STM/TARGET_STM32L0/analogin_device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -172,12 +172,6 @@ uint16_t adc_read(analogin_t *obj)

HAL_ADC_ConfigChannel(&obj->handle, &sConfig);

/* need to wait for some stabilization time after setting the TSEN bit in the ADC_CCR
register to wake up the temperature sensor from power down mode */
if (sConfig.Channel == ADC_CHANNEL_TEMPSENSOR) {
wait_ms(20);
}

HAL_ADC_Start(&obj->handle); // Start conversion

// Wait end of conversion and get value
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3 changes: 1 addition & 2 deletions targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_hal_adc.c
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Expand Up @@ -280,9 +280,8 @@
#define ADC_STAB_DELAY_US ((uint32_t) 1U)

/* Delay for temperature sensor stabilization time. */
/* Maximum delay is 10us (refer to device datasheet, parameter tSTART). */
/* Unit: us */
#define ADC_TEMPSENSOR_DELAY_US ((uint32_t) 10U)
#define ADC_TEMPSENSOR_DELAY_US ((uint32_t) 20000U)
/**
* @}
*/
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