1.由于mcu vbat口高阻，肖特基二极管的压降可以忽略，修改电压adc；

2.ChibiOS改成子程序，可以同步，不需要手动复制了。
hugen79 · Sep 20, 2019 · e6ade8f · e6ade8f
1 parent 7adbc5b
commit e6ade8f
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Showing 4 changed files with 8 additions and 4 deletions.
diff --git a/.cproject b/.cproject
@@ -555,13 +555,13 @@
 
         </configuration>
 
-        <configuration configurationName="800MHz">
+        <configuration configurationName="800Mhz">
 
             <resource resourceType="PROJECT" workspacePath="/NanoVNA-H"/>
 
         </configuration>
 
-        <configuration configurationName="800Mhz">
+        <configuration configurationName="800MHz">
 
             <resource resourceType="PROJECT" workspacePath="/NanoVNA-H"/>
 

diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "ChibiOS"]
+	path = ChibiOS
+	url = https://github.com/edy555/ChibiOS.git
+	branch = I2SFULLDUPLEX
diff --git a/ChibiOS b/ChibiOS
diff --git a/adc.c b/adc.c
@@ -78,7 +78,6 @@ uint16_t adc_single_read(ADC_TypeDef *adc, uint32_t chsel)
 int16_t adc_vbat_read(ADC_TypeDef *adc)
 {
 #define ADC_FULL_SCALE 3300
-#define VBAT_DIODE_VF 500
 #define VREFINT_CAL (*((uint16_t*)0x1FFFF7BA))
 	float vbat = 0;
 	float vrefint = 0;
@@ -97,7 +96,7 @@ int16_t adc_vbat_read(ADC_TypeDef *adc)
 		return -1;
 	}
 
-	return vbat_raw + VBAT_DIODE_VF;
+	return vbat_raw;
 
 }