i2c trial - does'nt work
Dependencies: ACD_ePaper aconno_I2C aconno_bsp mbed
Fork of acd52832_LSM9DS1 by
main.cpp
- Committer:
- jurica238814
- Date:
- 2016-09-22
- Revision:
- 0:940647793667
- Child:
- 1:e97c56fb9629
File content as of revision 0:940647793667:
/* Copyright (c) 2016 Aconno. All Rights Reserved. * * Licensees are granted free, non-transferable use of the information. NO * WARRANTY of ANY KIND is provided. This heading must NOT be removed from * the file. * */ #include "mbed.h" #include "acd52832_bsp.h" #include "LSM9DS1_regs.h" #include "LSM9DS1_defVals.h" #include "GDEP015OC1.h" // #define GYRO SPI spi(p3, NC, p4); GDEP015OC1 epd = GDEP015OC1(spi, p5, p6, p7, p8); // Initialize I2C protocol I2C mems(PIN_EXP_SDA, PIN_EXP_SCL); DigitalOut RED(PIN_LED_RED); DigitalOut GREEN(PIN_LED_GREEN); DigitalOut BLUE(PIN_LED_BLUE); DigitalOut LEDD(PIN_LED); void check(bool success) { if(!success) { // serial.printf("Success.\n"); RED = 1; GREEN = 0; } else { // serial.printf("Unsuccess!\n"); RED = 0; GREEN = 1; wait(2); } wait (0.05); RED = 1; GREEN = 1; } void start_mag() { char data[2]; bool success; data[0] = (char)CTRL_REG1_M; // Target register data[1] = (char)0x7C; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG2_M; // Target register data[1] = (char)0x60; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG3_M; // Target register data[1] = (char)0x00; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG4_M; // Target register data[1] = (char)0x0C; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG5_M; // Target register data[1] = (char)0x00; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); } void read_mag(float *results){ char results_[6]; float res_final[3]; char out_x_l_m = OUT_X_L_M; check (mems.write(TWI_MAG_ADDR, &out_x_l_m, 1, true)); check (mems.read(TWI_MAG_ADDR, results_, 6, 0)); res_final[0] = ((results_[1]<<8) | results_[0]); res_final[1] = ((results_[3]<<8) | results_[2]); res_final[2] = ((results_[5]<<8) | results_[4]); *(results) = res_final[0]; *(results + 1) = res_final[1]; *(results + 2) = res_final[2]; } void start_acc() { char data[2]; bool success; data[0] = (char)CTRL_REG5_XL; // Target register data[1] = (char)0x38; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG6_XL; // Target register data[1] = (char)0xC7; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); } void read_acc(float *results){ char results_[6]; float res_final[3]; char out_x_l_xl = OUT_X_L_XL; check (mems.write(TWI_MAG_ADDR, &out_x_l_xl, 1, true)); check (mems.read(TWI_MAG_ADDR, results_, 6, 0)); res_final[0] = ((results_[1]<<8) | results_[0]); res_final[1] = ((results_[3]<<8) | results_[2]); res_final[2] = ((results_[5]<<8) | results_[4]); *(results) = res_final[0]; *(results + 1) = res_final[1]; *(results + 2) = res_final[2]; } void start_gyro(){ char data[2]; bool success; // If GYRO is defines (gyro enabled) #ifdef GYRO data[0] = (char)CTRL_REG6_XL; // Target register data[1] = (char)0xC7 & (char)0x1F; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); #endif data[0] = (char)CTRL_REG1_G; // Target register data[1] = (char)0xC0; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG2_G; // Target register data[1] = (char)0x00; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG3_G; // Target register data[1] = (char)0x00; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)CTRL_REG4; // Target register data[1] = (char)0x3A; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); data[0] = (char)ORIENT_CFG_G; // Target register data[1] = (char)0x00; // Data to write success = mems.write(TWI_MAG_ADDR, data, 0x02,0); check(success); } void read_gyro(float *results){ char results_[6]; float res_final[3]; char out_x_l_g = OUT_X_L_G; check (mems.write(TWI_MAG_ADDR, &out_x_l_g, 1, true)); check (mems.read(TWI_MAG_ADDR, results_, 6, 0)); res_final[0] = ((results_[1]<<8) | results_[0]); res_final[1] = ((results_[3]<<8) | results_[2]); res_final[2] = ((results_[5]<<8) | results_[4]); *(results) = res_final[0]; *(results + 1) = res_final[1]; *(results + 2) = res_final[2]; } int main() { float old_res = 0; float results[3]; char buffer[6]; // Clear LEDs RED = 1; GREEN = 1; // Start acceleration sensor start_acc(); while (1) { // Get data from mag sensor read_acc(results); if (*results != old_res) { // Write new value on display epd.empty(); epd.write(); // Write mag_x sprintf(buffer, "%+2.1f", *results); //Create a string epd.writeString(buffer,85,70,0); //Write new data to the buffer epd.write(); // Write mag_y sprintf(buffer, "%+2.1f", *(results+1)); //Create a string epd.writeString(buffer,85,80,0); //Write new data to the buffer epd.write(); // Write mag_z sprintf(buffer, "%+2.1f", *(results+2)); //Create a string epd.writeString(buffer,85,90,0); //Write new data to the buffer epd.write(); old_res = *results; BLUE = 0; wait (1); BLUE = 1; wait(1); } LEDD = 0; wait(1); LEDD = 1; wait(1); } }