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author | Stanley Huang <stanleyhuangyc@gmail.com> | 2013-03-28 17:47:05 +0800 |
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committer | Stanley Huang <stanleyhuangyc@gmail.com> | 2013-03-28 17:47:39 +0800 |
commit | 8f9abef3a85f45eb52cf6ac9a9887f7e601b94fb (patch) | |
tree | 4b91413e1765b0880bc41c9f062dba900f03e714 /samples | |
parent | 995219669f517d689b9c0b6c842285cc52ace354 (diff) | |
download | 2021-arduino-obd-8f9abef3a85f45eb52cf6ac9a9887f7e601b94fb.tar.gz 2021-arduino-obd-8f9abef3a85f45eb52cf6ac9a9887f7e601b94fb.tar.bz2 2021-arduino-obd-8f9abef3a85f45eb52cf6ac9a9887f7e601b94fb.zip |
fix compiliation issue
Diffstat (limited to 'samples')
-rw-r--r-- | samples/obdtest/obdtest.ino | 90 |
1 files changed, 71 insertions, 19 deletions
diff --git a/samples/obdtest/obdtest.ino b/samples/obdtest/obdtest.ino index 27854eb..2c2d764 100644 --- a/samples/obdtest/obdtest.ino +++ b/samples/obdtest/obdtest.ino @@ -1,8 +1,8 @@ #include <Arduino.h> #include <Wire.h> -#include <MultiLCD.h> -#include <OBD.h> -#include <MPU6050.h> +#include "MultiLCD.h" +#include "OBD.h" +#include "MPU6050.h" #define INIT_CMD_COUNT 8 #define MAX_CMD_LEN 6 @@ -88,6 +88,57 @@ char get_key(unsigned int input) return -1; } +void readMPU6050() +{ + int error; + float dT; + accel_t_gyro_union accel_t_gyro; + + // Read the raw values. + // Read 14 bytes at once, + // containing acceleration, temperature and gyro. + // With the default settings of the MPU-6050, + // there is no filter enabled, and the values + // are not very stable. + + lcd.setCursor(0, 1); + error = MPU6050_read (MPU6050_ACCEL_XOUT_H, (uint8_t *) &accel_t_gyro, sizeof(accel_t_gyro)); + if (error != 0) { + lcd.print("ACC Error!"); + return; + } + + + // Swap all high and low bytes. + // After this, the registers values are swapped, + // so the structure name like x_accel_l does no + // longer contain the lower byte. + uint8_t swap; + #define SWAP(x,y) swap = x; x = y; y = swap + + SWAP (accel_t_gyro.reg.x_accel_h, accel_t_gyro.reg.x_accel_l); + SWAP (accel_t_gyro.reg.y_accel_h, accel_t_gyro.reg.y_accel_l); + SWAP (accel_t_gyro.reg.z_accel_h, accel_t_gyro.reg.z_accel_l); + SWAP (accel_t_gyro.reg.t_h, accel_t_gyro.reg.t_l); + SWAP (accel_t_gyro.reg.x_gyro_h, accel_t_gyro.reg.x_gyro_l); + SWAP (accel_t_gyro.reg.y_gyro_h, accel_t_gyro.reg.y_gyro_l); + SWAP (accel_t_gyro.reg.z_gyro_h, accel_t_gyro.reg.z_gyro_l); + + + // Print the raw acceleration values + + char buf[20]; + dT = ( (float) accel_t_gyro.value.temperature + 12412.0) / 340.0; + sprintf(buf, "%d %d %d %d ", + (int)dT, + accel_t_gyro.value.x_accel / 128, + accel_t_gyro.value.y_accel / 128, + accel_t_gyro.value.z_accel / 128); + //Serial.println(buf); + lcd.setCursor(0, 1); + lcd.print(buf); +} + void query() { char buf[17]; @@ -117,46 +168,47 @@ void query() obd.Query((byte)pid); if (stateMPU6050 == 0) { - accel_t_gyro_union data; - char buf[20]; - int ret = MPU6050_readout(&data); - if (ret == 0) { - sprintf(buf, "%d/%d/%d", data.value.x_accel, data.value.y_accel, data.value.z_accel); - } else { - sprintf(buf, "6050 error: %d", ret); - } + readMPU6050(); } } void setup() { + Wire.begin(); lcd.begin(); - pinMode(13, OUTPUT); //we'll use the debug LED to output a heartbeat - digitalWrite(13, LOW); OBDUART.begin(38400); - digitalWrite(13, HIGH); lcd.clear(); lcd.print("Init MPU6050..."); lcd.setCursor(0, 1); + stateMPU6050 = MPU6050_init(); - if (stateMPU6050 == 0) { - lcd.print("Success!"); - } else { - char buf[16]; + + char buf[16]; + if (stateMPU6050 != 0) { sprintf(buf, "Error: %d", stateMPU6050); lcd.print(buf); + } else { + unsigned long t = millis(); + do { + readMPU6050(); + delay(100); + } while (millis() - t <= 10000); } delay(1000); do { lcd.clear(); lcd.print("Init OBD..."); + + if (stateMPU6050 == 0) { + readMPU6050(); + } + delay(500); } while(!obd.Init()); - char buf[16]; lcd.setCursor(0, 1); lcd.print("CONNECTED! "); delay(1000); |