完善PGA设置：ADC通道改为CH6、添加PB4(PGA2_OUT)模拟模式、配置CHSMPR2采样时间

2026-05-12 12:44:14 +08:00
parent 33070e9e0b
commit 458860f85e
3 changed files with 7 additions and 3 deletions
@@ -10,7 +10,7 @@ ret_code_t adc_init(void)

    ADC1->CFGR1 = ADC_CFGR1_RES_1;

-    ADC1->CHSMPR2 = (0x7 << 0);
+    ADC1->CHSMPR2 = (0x7 << 3);

    ADC1->SMPR1 = 0x07;

@@ -5,7 +5,7 @@
 #include "sys_data_bus.h"
 #include <stdint.h>

-#define PGA_ADC_CH            ADC_CH_0
+#define PGA_ADC_CH            ADC_CH_6

 #define PGA_GAIN_1            0x00
 #define PGA_GAIN_2            0x01