Greg Steiert / Mbed OS MAX_ADC

Maxim ADC Library Example

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Revision 31:ddedcb0e4e9e, committed 2017-03-10

Comitter:
switches
Date:
Fri Mar 10 21:48:49 2017 +0000
Parent:
30:f5b42453b3f9
Commit message:
Maxim ADC Library Example

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Thu Mar 09 11:00:03 2017 +0000
+++ b/main.cpp	Fri Mar 10 21:48:49 2017 +0000
@@ -1,11 +1,52 @@
 #include "mbed.h"
+#include "adc.h"
 
 DigitalOut led1(LED1);
 
 // main() runs in its own thread in the OS
-int main() {
+int main()
+{
+    uint16_t adc_value;
+    unsigned int overflow;
+
+    /* Initialize ADC */
+    ADC_Init();
+
     while (true) {
         led1 = !led1;
+        ADC_StartConvert(ADC_CH_0, 0, 1); // AIN0
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("AIN0: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_1, 0, 1); // AIN1
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("AIN1: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_2, 0, 1); // AIN2
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("AIN2: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_3, 0, 1); // AIN3
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("AIN3: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_0_DIV_5, 0, 1); // AIN0 div 5
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("AIN0/5: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_1_DIV_5, 0, 1); // AIN1 div 5
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("AIN1/5: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_VDDB_DIV_4, 0, 1); // AIN2
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("VDDB/4: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_VDD18, 0, 1); // AIN3
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("VDD18: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_VDD12, 0, 1); // AIN3
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("VDD12: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_VRTC_DIV_2, 0, 1); // AIN0 div 5
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("VRTC/2: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
+        ADC_StartConvert(ADC_CH_TMON, 0, 1); // AIN1 div 5
+        overflow = (ADC_GetData(&adc_value) == E_OVERFLOW ? 1 : 0);
+        printf("TMON: 0x%04x%s\n", adc_value, overflow ? "*" : " ");
         wait(0.5);
     }
 }