SmartCharge
Transmitter Code
Revision 0:d4b08f5874fc, committed 2016-11-24
- Comitter:
- jamesfryar
- Date:
- Thu Nov 24 15:36:06 2016 +0000
- Commit message:
- 24112016
Changed in this revision
diff -r 000000000000 -r d4b08f5874fc Watchdog.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Watchdog.lib Thu Nov 24 15:36:06 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/SmartCharge/code/Watchdog/#562d4888be2f
diff -r 000000000000 -r d4b08f5874fc main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Nov 24 15:36:06 2016 +0000
@@ -0,0 +1,98 @@
+#include "mbed.h"
+#include "SerialBase.h"
+#include "Watchdog.h"
+
+Serial pc(USBTX,USBRX);
+Serial rf(D1, NC, 4800);
+DigitalOut myled(LED1);
+AnalogIn ain(A0);
+Ticker led_rf_ticker;
+Ticker adc_ticker;
+Timer t;
+
+int adc_data[1024];
+int adc_data_counter = 0;
+int current_threshold = 3000;
+int time_threshold = 30;
+bool data_ready = false;
+bool rf_32Asafe = false;
+
+Watchdog wd;
+
+void led_rf_blinky (void)
+{
+ myled = !myled;
+ if(rf_32Asafe == true)
+ {
+ rf.printf("HHHHHHHH");
+ pc.printf("Transmit: Charge at 32A\r\n");
+
+ }
+ else
+ {
+ rf.printf("LLLLLLLL");
+ pc.printf("Transmit: Charge at 16A\r\n");
+ }
+}
+
+void read_adc (void)
+{
+ if (adc_data_counter < 1024)
+ {
+ adc_data[adc_data_counter] = ain.read_u16();
+ adc_data_counter+=1;
+ }
+ else
+ {
+ data_ready = true;
+ }
+}
+
+int main()
+{
+ if (wd.WatchdogCausedReset()) pc.printf("Watchdog caused reset\r\n");
+ wd.Configure(5.0);
+ float sum;
+ int i;
+ led_rf_ticker.attach(&led_rf_blinky, 0.2);
+ adc_ticker.attach_us(&read_adc, 2000);
+ t.reset();
+
+ while(1)
+ {
+ wd.Service();
+ if (data_ready == true)
+ {
+ sum = 0.0;
+ for(i=0; i<1024; i++)
+ {
+ sum = sum + adc_data[i];
+ }
+ sum = sum / 1024;
+
+ if(sum < current_threshold && t.read()== 0)
+ {
+ t.reset();
+ t.start();
+ rf_32Asafe = false;
+ }
+
+ if(sum < current_threshold && t.read() > time_threshold)
+ {
+ t.stop();
+ rf_32Asafe = true;
+ while(1){
+ }
+ }
+
+ if(sum > current_threshold)
+ {
+ t.reset();
+ rf_32Asafe = false;
+ }
+
+ data_ready = false;
+ adc_data_counter = 0;
+ }
+ }
+}
diff -r 000000000000 -r d4b08f5874fc mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Nov 24 15:36:06 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/0ab6a29f35bf \ No newline at end of file