void main()
{
long temperature = 0;
long pressure = 0;
long altitude = 0;
double temp = 0;
OSCCON = 0x70; // 8 MHz OSC
// I2C
TRISCbits.TRISC3 = 1; // SCL
TRISCbits.TRISC4 = 1; // SDA
// UART
// Initialize UART
openTxUsart();
// Initialize I2C
OpenI2C(MASTER, SLEW_OFF);
delay_ms(100);
BMP085_Calibration();
BMP_dump_calibration();
printf((const far rom char*) "=========================\r\n");
printf((const far rom char*) "=========RESTART=========\r\n");
printf((const far rom char*) "=========RESTART=========\r\n");
printf((const far rom char*) "=========RESTART=========\r\n");
printf((const far rom char*) "=========================\r\n");
while(1)
{
bmp085Convert(&temperature, &pressure);
printf((const far rom char*)"Temperature: %ld (in 0.1 deg C)\r\n", temperature);
printf((const far rom char*)"Pressure: %ld Pa\n\r\n", pressure);
// For fun, lets convert to altitude
temp = (double) pressure/101325;
temp = 1-pow(temp, 0.19029);
altitude = floor(44330*temp);
printf((const far rom char*)"Altitude: %ldm\r\n", altitude);
printf((const far rom char*) "=========================\r\n");
delay_ms(10000);
}
}
//#########################################
//#########################################
//#########################################
// S T A R T M A I N P R O G R A M
int main(void)
{
//-----------------------------------------
// Allocate memory
//-----------------------------------------
int32_t temperature = 0;
int32_t pressure = 0;
int16_t BMP085_calibration_int16_t[8];
int16_t BMP085_calibration_uint16_t[3];
uint8_t error_code=0;
int32_t altitude=0;
//-----------------------------------------
// Initialize Stuff
//-----------------------------------------
//uart_init(); //Initialize UART0
volatile int16_t testVar;
_delay_ms(11);
i2cSetBitrate(1000); //Initialize TWI 1000kHz
BMP085_Calibration(BMP085_calibration_int16_t, BMP085_calibration_uint16_t,&error_code);////Initialize BMP085
lcd_init();
lcd_set_font(FONT_FIXED_8,NORMAL);
//-----------------------------------------
// Do forever
//-----------------------------------------
//printf("error code global init: %d \n",error_code);
while(1)
{
/*
printf("------------------------\n");
printf("------------------------\n");
printf("Pressure raw %ld \n",bmp085ReadPressure(&error_code));
printf("error code global: %d \n",error_code);
printf("------------------------\n");
printf("------------------------\n");
printf("Temperature raw %ld \n",bmp085ReadTemp(&error_code));
printf("error code global: %d \n",error_code);
printf("------------------------\n");
printf("------------------------\n");
*/
bmp085Convert(BMP085_calibration_int16_t, BMP085_calibration_uint16_t,&temperature, &pressure,&error_code);
lcd_moveto_xy (1, 0);
lcd_put_string_P(FONT_FIXED_8, NORMAL, PSTR("Temp: "));
lcd_put_int((int16_t)temperature);
lcd_moveto_xy (2, 0);
lcd_put_string_P(FONT_FIXED_8, NORMAL, PSTR("Pressure: "));
lcd_put_int((int16_t)pressure);
altitude = bmp085CalcAltitude (pressure);
lcd_moveto_xy (3, 0);
lcd_put_string_P(FONT_FIXED_8, NORMAL, PSTR("Altitude: "));
lcd_put_int((int16_t)altitude);
/*
printf("Temperature: %ld (in 0.1 deg C)\n", temperature);
printf("Pressure: %ld Pa\n\n", pressure);
printf("Altitude: %ld dm\n", bmp085CalcAltitude(pressure));
printf("error code global: %d \n",error_code);
printf("------------------------\n");
printf("------------------------\n");
*/
_delay_ms(200);
}
return 0;
}
