Diff: main.cpp

Revision:

0:0e20215b178e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Aug 06 06:52:19 2020 +0000
@@ -0,0 +1,81 @@
+/* -- MBED - AD7190
+
+Porting by Rododo Science. .... 2019/9/13
+
+-- */
+
+
+#include "mbed.h"
+#include "AD7190.h"
+SPI spi(D11, D12, D13); // mosi, miso, sclk
+DigitalOut cs(D10);      // Different CS operations
+DigitalIn  ad_rdy(D9);  // Use of a _RDY Pin
+
+Serial uart(PC_4, PC_5);//TX4,RX4
+int idx=0;
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+void setup()
+{
+    cs.write(1);
+    wait(1);
+    pc.printf("Example Start\n");
+    cs.write(0);
+    while(AD7190_Init(800)==0){
+    pc.printf("Can't allocate AD7190\n");
+    wait(5);
+    }
+
+    /* Calibrates channel AIN3(+) - AIN4(-).  */ 
+    AD7190_Calibrate(AD7190_MODE_CAL_INT_ZERO, AD7190_CH_AIN3P_AIN4M);
+
+}
+
+void loop()
+{
+
+    unsigned long val = AD7190_TemperatureRead();
+    //pc.printf("Temperature = \t =%lu \r\n", val);
+
+    AD7190_ChannelSelect(AD7190_CH_AIN1P_AIN2M);
+    /* Selects unipolar operation and ADC's input range to +-Vref/1. plesase refer AD7190_CONF_GAIN(x) */
+    AD7190_RangeSetup(0, AD7190_CONF_GAIN_64);
+    
+    //val = AD7190_SingleConversion();
+    //pc.printf("ADC = \t%lu \r\n", val);
+
+    val = AD7190_ContinuousReadAvg(8);
+    //pc.printf("ADC_avg = \t%lu \r\n", val);
+    
+    double voltageAn34 =  ( val * 0.00000011921 - 1 ) * 4.096 /64 ; //AIN=(輸出碼/2^23-1)*(Vref/gain)
+   
+    
+    pc.printf("%f \r\n", voltageAn34);
+    
+     uart.printf("s%f# \r\n", voltageAn34);
+   
+    idx=idx+1;
+    wait(0.01);
+    //pc.printf("TX send s %f #\r\n",voltageAn34);
+    //wait(1);
+  
+
+}
+
+
+//---DON'T CHANGE BELOW----
+// MBED compensate
+// main() runs in its own thread in the OS
+int main() {
+    //---Enable Debug---
+    pc.baud(9600);
+    uart.baud(9600);
+    //--Mark out to disable debug
+    setup();
+    while (true) {
+        loop();
+        
+            
+    }
+}