i2c trial - does'nt work
Dependencies: ACD_ePaper aconno_I2C aconno_bsp mbed
Fork of acd52832_LSM9DS1 by
Diff: main.cpp
- Revision:
- 0:940647793667
- Child:
- 1:e97c56fb9629
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Sep 22 11:38:40 2016 +0000 @@ -0,0 +1,234 @@ +/* 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); + } + + +} \ No newline at end of file