Diff: main.cpp

Revision:

0:a621ce2e8838

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Jul 17 04:52:19 2018 +0000
@@ -0,0 +1,48 @@
+// F446RE ADC with DMA
+// ADC read shifted to 16 bits, our readn is only 12 bits
+// messy, TODO need ADC channel from pin number
+
+#include "mbed.h"
+#include "adc.h"
+#include "SD.h"
+
+adc gadc;
+SD  gSD;
+
+DigitalIn btn(USER_BUTTON);  // User button
+PwmOut OSILO_PWM(PC_7);
+Serial pc(USBTX, USBRX); // tx, rx
+
+void user_system_create()
+{
+    gadc.init();
+    gSD.init();
+
+    // PWM出力の初期化処理 <PWM出力開始>
+    OSILO_PWM.period_ms(1);     // PWM周波数は1kHz(周期:1ms)
+    OSILO_PWM.write(0.5f);      // Duty比:50%
+}
+
+int main()
+{
+    /* init */
+    user_system_create();
+
+    pc.printf("PUSH USER BUTTON\n");
+    while(btn); // Wait user button
+
+    /* Start ADC with DMA */
+    pc.printf("Start ADC\n");
+    gadc.read(gadc.ADCVal, sizeof(gadc.ADCVal));
+
+    for(int i = 0; i < ADC_TIMES; i++) {
+        pc.printf("%d,%d\n",i,gadc.ADCVal[i]);
+    }
+
+    for(int i = 0; i < ADC_TIMES; i++) {
+        gSD.setData(i, gadc.ADCVal[i]);
+        gSD.write();
+    }
+    
+    gSD.finish();
+}