Suga koubou
/
Car_test
OBD II see: https://os.mbed.com/users/okini3939/notebook/obd2-can-bus/
main.cpp
- Committer:
- okini3939
- Date:
- 2017-12-20
- Revision:
- 0:c6f40de7ab86
File content as of revision 0:c6f40de7ab86:
#include "mbed.h" #include "OBD2.h" DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4); Serial pc(USBTX, USBRX); OBD2 obd(p30, p29); float readObd2 (int cmd) { if (obd.request(cmd)) { return -1; } return obd.read(); } int main() { int i; float f; pc.baud(115200); pc.printf("--- OBD2\n\r"); led1 = 1; for (;;) { if (pc.readable()) { i = 0; switch (pc.getc()) { case '1': i = ENGINE_LOAD; break; case '2': i = THROTTLE; break; case '3': i = FUEL_LEVEL; break; case '4': i = ENGINE_COOLANT_TEMP; break; case '5': i = INTAKE_TEMP; break; case '6': i = AMB_AIR_TEMP; break; case '7': i = INTAKE_PRESSURE; break; case '8': i = ENGINE_RPM; break; case '9': i = VEHICLE_SPEED; break; } if (i) { f = readObd2(i); pc.printf("PID=%02x, Result=%f\r\n", i, f); } led2 = !led2; } } }