#define _GNU_SOURCE #include #include #include #include #include "lis3dh.h" #include "i2c.h" int main() { lis3dh_t lis; /* set fn ptrs to rw on bus (i2c or SPI) */ lis.dev.init = i2c_init; lis.dev.read = i2c_read; lis.dev.write = i2c_write; lis.dev.sleep = usleep; lis.dev.deinit = i2c_deinit; /* initialise LIS3DH struct */ if (lis3dh_init(&lis)) { /* error handling */ } /* reset device just in case */ if (lis3dh_reset(&lis)) { /* error handling */ } /* set up config */ lis.cfg.mode = LIS3DH_MODE_HR; lis.cfg.range = LIS3DH_FS_2G; lis.cfg.rate = LIS3DH_ODR_400_HZ; lis.cfg.en_adc = 1; /* enable ADC */ lis.cfg.en_temp = 1; /* enable temp sensing */ /* write device config */ if (lis3dh_configure(&lis)) { /* error handling */ } /* Read all 3 ADCs */ if (lis3dh_read_adc(&lis)) { /* error handling */ } /* ADC3 now reports the temperature instead of reading from its input */ /* the temperature data is overwritten to lis.adc.adc3 */ if (lis3dh_read_temp(&lis)) { /* error handling */ } printf("ADC1: %d mV\n", lis.adc.adc1); printf("ADC2: %d mV\n", lis.adc.adc2); printf("ADC3: %d oC\n", lis.adc.adc3); /* deinitalise struct */ if (lis3dh_deinit(&lis)) { /* error handling */ } return 0; }