diff options
Diffstat (limited to 'samples/obdtest')
| -rw-r--r-- | samples/obdtest/obdtest.ino | 137 |
1 files changed, 111 insertions, 26 deletions
diff --git a/samples/obdtest/obdtest.ino b/samples/obdtest/obdtest.ino index 70a3177..d91bff4 100644 --- a/samples/obdtest/obdtest.ino +++ b/samples/obdtest/obdtest.ino @@ -2,12 +2,15 @@ #include <Wire.h> #include "MultiLCD.h" #include "OBD.h" -#include "MPU6050.h" -#define INIT_CMD_COUNT 8 +#define INIT_CMD_COUNT 4 #define MAX_CMD_LEN 6 -const char initcmd[INIT_CMD_COUNT][MAX_CMD_LEN] = {"ATZ\r","ATE0\r","ATL1\r","0100\r","0120\r","0140\r","0145\r"}; +#define HAVE_ACCEL 0 + +int MPU6050_read(int start, uint8_t *buffer, int size); + +const char initcmd[INIT_CMD_COUNT][MAX_CMD_LEN] = {"ATZ\r","ATE0\r","ATL1\r","0902\r"}; //SoftwareSerial softSerial(2, 3); // RX, TX @@ -18,11 +21,18 @@ char key=-1; char oldkey=-1; byte index = 0; -uint16_t pid = 0x0145; +uint16_t pid = 0x0111; + +#if HAVE_ACCEL +#include "MPU6050.h" + int stateMPU6050; +#endif //create object to control an LCD. LCD_OLED lcd; +//LCD_PCD8544 lcd; /* for LCD4884 shield or Nokia 5100 screen module */ +//LCD_1602 lcd; class COBDTester : public COBD { @@ -36,7 +46,6 @@ public: for (unsigned char i = 0; i < INIT_CMD_COUNT; i++) { lcd.clear(); - lcd.setCursor(0, 0); lcd.print(initcmd[i]); lcd.setCursor(0, 1); WriteData(initcmd[i]); @@ -53,9 +62,11 @@ public: buffer[n++] = c; if (c == '\r' || c == '\n') - lcd.setCursor(0, 1); - else + lcd.setCursor(0, -1); + else { lcd.write(c); + delay(1); + } } } else if (prompted) { break; @@ -64,12 +75,44 @@ public: if (elapsed > OBD_TIMEOUT_INIT) { // init timeout //WriteData("\r"); - return false; + lcd.print("Timeout!"); + if (i == 0) return false; + i--; + break; } } } - delay(1000); + delay(500); + } + delay(4500); + + char* data; + memset(pidmap, 0, sizeof(pidmap)); + for (byte i = 0; i < 4; i++) { + lcd.clear(); + sprintf(buffer, "PIDs [%02x-%02x]", i * 0x20 + 1, i * 0x20 + 0x20); + lcd.print(buffer); + Query(i * 0x20); + data = GetResponse(i * 0x20, buffer); + if (!data) break; + lcd.setCursor(0, 1); + lcd.print(data); + delay(500); + data--; + for (byte n = 0; n < 4; n++) { + if (data[n * 3] != ' ') + break; + pidmap[i * 4 + n] = hex2uint8(data + n * 3 + 1); + } + } + // display pid map + lcd.clear(); + for (byte i = 0; i < sizeof(pidmap); i++) { + sprintf(buffer, "%02X ", pidmap[i]); + lcd.print(buffer); } + delay(3000); + errors = 0; return true; } @@ -88,6 +131,7 @@ char get_key(unsigned int input) return -1; } +#if HAVE_ACCEL void readMPU6050() { int error; @@ -138,6 +182,7 @@ void readMPU6050() lcd.setCursor(0, 1); lcd.print(buf); } +#endif void query() { @@ -163,23 +208,27 @@ void query() lcd.setCursor(0, 0); lcd.print(buf); - lcd.setCursor(6, 0); + lcd.setCursor(0, 1); obd.dataMode = (byte)(pid >> 8); obd.Query((byte)pid); +#if HAVE_ACCEL if (stateMPU6050 == 0) { readMPU6050(); } +#endif } void setup() { Wire.begin(); lcd.begin(); + lcd.print("OBD TESTER v1.2"); OBDUART.begin(38400); + delay(1000); - +#if HAVE_ACCEL lcd.clear(); lcd.print("Init MPU6050..."); lcd.setCursor(0, 1); @@ -198,41 +247,77 @@ void setup() } while (millis() - t <= 10000); } delay(1000); +#endif do { lcd.clear(); lcd.print("Init OBD..."); +#if HAVE_ACCEL if (stateMPU6050 == 0) { readMPU6050(); } +#endif delay(500); } while(!obd.Init()); + char buffer[16]; + lcd.clear(); + sprintf(buffer, "RPM:%c", obd.IsValidPID(PID_RPM) ? 'Y' : 'N'); + lcd.print(buffer); + lcd.setCursor(8, 0); + sprintf(buffer, "SPD:%c", obd.IsValidPID(PID_SPEED) ? 'Y' : 'N'); + lcd.print(buffer); + lcd.setCursor(0, 1); - lcd.print("CONNECTED! "); - delay(1000); + sprintf(buffer, "THR:%c", obd.IsValidPID(PID_THROTTLE) ? 'Y' : 'N'); + lcd.print(buffer); + lcd.setCursor(8, 1); + sprintf(buffer, "LOAD:%c", obd.IsValidPID(PID_ENGINE_LOAD) ? 'Y' : 'N'); + lcd.print(buffer); + + lcd.setCursor(0, 2); + sprintf(buffer, "MAF:%c", obd.IsValidPID(PID_MAF_FLOW) ? 'Y' : 'N'); + lcd.print(buffer); + lcd.setCursor(8, 2); + sprintf(buffer, "MAP:%c", obd.IsValidPID(PID_INTAKE_MAP) ? 'Y' : 'N'); + lcd.print(buffer); + + lcd.setCursor(0, 3); + sprintf(buffer, "FUEL:%c", obd.IsValidPID(PID_FUEL_LEVEL) ? 'Y' : 'N'); + lcd.print(buffer); + lcd.setCursor(8, 3); + sprintf(buffer, "FKPA:%c", obd.IsValidPID(PID_FUEL_PRESSURE) ? 'Y' : 'N'); + lcd.print(buffer); + delay(5000); lcd.clear(); - query(); + //query(); } void loop() { - if (Serial.available()) { - char c = Serial.read(); - if (c == '\r' || c == '\n') { - lcd.setCursor(6, 0); - } else if (c == '>') { - lcd.setCursor(15, 0); - lcd.write(c); - lcd.setCursor(6, 0); - delay(100); - query(); + int value; + char buffer[OBD_RECV_BUF_SIZE]; + obd.Query((byte)pid); + buffer[0] = 0; + while (!obd.DataAvailable()); + char* data = obd.GetResponse((byte)pid, buffer); + lcd.setCursor(0, 1); + lcd.print(buffer); + lcd.setCursor(0, 0); + if (!data) { + // try recover next time + obd.WriteData('\r'); + lcd.print("Data Error"); + } else { + if (obd.GetParsedData((byte)pid, data, value)) { + sprintf(buffer, "[%04X]=%d ", pid, value); } else { - lcd.write(c); - delay(10); + sprintf(buffer, "Parse Error"); } + lcd.print(buffer); } + delay(50); #if 0 adc_key_in = analogRead(0); // read the value from the sensor |