From 2a4316485303d0ca5a2af800a8df8254ec344107 Mon Sep 17 00:00:00 2001 From: qrp73 Date: Tue, 8 Oct 2019 05:02:15 +0300 Subject: [PATCH] fix compilation warning --- adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/adc.c b/adc.c index 1da498d..5f052dd 100644 --- a/adc.c +++ b/adc.c @@ -91,7 +91,7 @@ int16_t adc_vbat_read(ADC_TypeDef *adc) vbat = adc_single_read(adc, ADC_CHSELR_CHSEL18); ADC->CCR &= ~(ADC_CCR_VREFEN | ADC_CCR_VBATEN); - uint16_t vbat_raw = (ADC_FULL_SCALE * VREFINT_CAL * vbat * 2 / (vrefint * ((1<<12)-1))); + uint32_t vbat_raw = (uint32_t)(ADC_FULL_SCALE * VREFINT_CAL * vbat * 2 / (vrefint * ((1<<12)-1))); if (vbat_raw < 100) { // maybe D2 is not installed return -1;