Mitek ... / Mbed 2 deprecated INA219TEST

Send INA219 voltage and current to USB

Dependencies:   INA219 mbed

Fork of mbed_Shield_Accelerometer by Shields

main.cpp@3:1202856c8578, 2014-06-30 (annotated)

Committer:
x893
Date:
Mon Jun 30 08:29:36 2014 +0000
Revision:
3:1202856c8578
Parent:
2:9e18b475f4da 
Send voltage and current to USB

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:494536c26f91 1 #include "mbed.h"
x893 2:9e18b475f4da 2 #include "INA219.h"
x893 2:9e18b475f4da 3
x893 2:9e18b475f4da 4 Serial debug(USBTX, USBRX);
x893 2:9e18b475f4da 5 DigitalOut led(LED1);
x893 2:9e18b475f4da 6 INA219 ina219(PB_9, PB_8, 0x80, 100000);
screamer 0:494536c26f91 7
screamer 0:494536c26f91 8 int main()
screamer 0:494536c26f91 9 {
x893 2:9e18b475f4da 10 double V,C, V0, C0;
x893 2:9e18b475f4da 11 unsigned short ctrl;
x893 2:9e18b475f4da 12
x893 2:9e18b475f4da 13 debug.format(8);
x893 2:9e18b475f4da 14 debug.baud(115200);
x893 2:9e18b475f4da 15 debug.printf("INA219 - (Build:[" __DATE__ "/" __TIME__ "])\r\n\n");
x893 2:9e18b475f4da 16
x893 2:9e18b475f4da 17 while (1)
x893 2:9e18b475f4da 18 {
x893 2:9e18b475f4da 19 ctrl = ina219.getRegister(0x00);
x893 2:9e18b475f4da 20 if (ctrl != 0x399F) // Control register after power on
x893 2:9e18b475f4da 21 {
x893 2:9e18b475f4da 22 debug.printf("--- INA219 not found ---\r\n");
x893 2:9e18b475f4da 23 ina219.getI2C().frequency(100000);
x893 2:9e18b475f4da 24 led = 0;
x893 2:9e18b475f4da 25 }
x893 2:9e18b475f4da 26 else
x893 2:9e18b475f4da 27 {
x893 2:9e18b475f4da 28 V = ina219.getVoltage(); // in V
x893 2:9e18b475f4da 29 C = ina219.getCurrent() * 1000.0; // in mA
x893 2:9e18b475f4da 30 if (V0 != V || C0 != C)
x893 2:9e18b475f4da 31 { // Voltage or Current changed
x893 2:9e18b475f4da 32 V0 = V;
x893 2:9e18b475f4da 33 C0 = C;
x893 2:9e18b475f4da 34 debug.printf(" V:%2.4f V I:%4.1f mA \r", V, C);
x893 2:9e18b475f4da 35 }
x893 2:9e18b475f4da 36 led = !led;
x893 2:9e18b475f4da 37 }
x893 2:9e18b475f4da 38 wait(0.25);
screamer 0:494536c26f91 39 }
x893 2:9e18b475f4da 40 }