From 2250f814cfcfee313c64b2e01b7e1485a2f6ee4e Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期三, 28 二月 2024 17:07:46 +0800
Subject: [PATCH] 1
---
Src/OnChipDevices/ADC.c | 40 ++++++++++++++++++++++++++++++++++++++--
1 files changed, 38 insertions(+), 2 deletions(-)
diff --git a/Src/OnChipDevices/ADC.c b/Src/OnChipDevices/ADC.c
index 8f11431..cfdf1c0 100644
--- a/Src/OnChipDevices/ADC.c
+++ b/Src/OnChipDevices/ADC.c
@@ -29,8 +29,44 @@
last_value = 100;
if(last_value<0)
last_value = 0;
-}else{
- last_value=0;
+ }else{
+ last_value=0;
+ }
+ return last_value;
}
+
+uint16_t verfint_cal,adc_val;
+uint8_t Get_VDDVlotage(void)
+{ static float last_value = 100;
+ static uint8_t first=1;
+ static uint16_t bat_count = 0;
+// if(bat_count++%600==0)
+// {
+ READC_Init();
+ Delay_Ms(10);
+ HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_SET);
+ adc_val = Get_ADC_Value();
+ MX_ADC_DeInit();
+ //temp_voltage = (float)Get_ADC_Value()/621; //(value/4096*3.3*2-3.5)/0.7
+ verfint_cal = *(__IO uint16_t *)(0X1FF80078);
+ bat_volt = 3*(float)verfint_cal/adc_val-0.28;
+ if(bat_volt>=3.0)
+ {
+ if(first)
+ {
+ first = 0;
+ last_value =(bat_volt-3.0)*167;//(bat_volt-3.5)/0.6*100
+ }
+ last_value = 0.9*last_value + (bat_volt-3.0)*16.7;
+ if(last_value>100)
+ last_value = 100;
+ if(last_value<0)
+ last_value = 0;
+ }else{
+ last_value=0;
+ }
+ printf("VCC:%.2f\r\n",bat_volt);
+ HAL_GPIO_WritePin(GPIOA, GPIO_PIN_12, GPIO_PIN_RESET);
+//}
return last_value;
}
\ No newline at end of file
--
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