int main(){
LSM9DS1_LowLevel_Init();
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_SetBits(GPIOE, GPIO_Pin_3);
printf("PE3 %d\n", GPIO_ReadInputDataBit(GPIOE, GPIO_Pin_3));
uint8_t byte_write = 96; //119 Hz and 2g range
LSM9DS1_Write(&byte_write, LSM9DS1_CTRL_REG6_XL, 1);
printf("Sent %d on the bus\n", byte_write);
uint8_t byte_read = 0;
LSM9DS1_Read(&byte_read, LSM9DS1_CTRL_REG6_XL, 1);
printf("Received %d on the bus\n", byte_read);
byte_write = 56; //enable all axes
LSM9DS1_Write(&byte_write, LSM9DS1_CTRL_REG5_XL, 1);
printf("Sent %d on the bus\n", byte_write);
byte_read = 0;
LSM9DS1_Read(&byte_read, LSM9DS1_CTRL_REG5_XL, 1);
printf("Received %d on the bus\n", byte_read);
int32_t accelerometer_out[3];
LSM9DS1_ReadACC(accelerometer_out);
printf("%d %d %d\n", accelerometer_out[0],accelerometer_out[1],accelerometer_out[2]);
// osKernelInitialize (); // initialize CMSIS-RTOS
// display_mode = 0;
// angle_to_draw = SHOW_ROLL;
//
// // initialize peripherals here
// initialize_ADC_Temp();
// init_accelerometer();
// init_interrupts();
// init_7_segment();
// init_TIM3();
// init_TIM4();
// init_TIM5();
// EXTI_GenerateSWInterrupt(EXTI_Line0);
//
// // create 'thread' functions that start executing,
// // example: tid_name = osThreadCreate (osThread(name), NULL);
// temperature_reader_thread = osThreadCreate(osThread(temperature_reader),NULL);
// display_refresher_thread = osThreadCreate(osThread(display_refresher),NULL);
// accelerometer_reader_thread = osThreadCreate(osThread(accelerometer_reader),NULL);
// keypad_detector_thread = osThreadCreate(osThread(keypad_detector),NULL);
//
// osKernelStart(); // start thread execution
}
/**
* @brief Set LSM9DS1 Initialization.
* @param LSM9DS1_Config_Struct: pointer to a LSM9DS1_Config_TypeDef structure
* that contains the configuration setting for the LSM9DS1.
* @retval None
*/
void LSM9DS1_Init(LSM9DS1_InitTypeDef *init)
{
// Configure the low level interface
LSM9DS1_LowLevel_Init();
// Configure acclerometer data rate and scale
uint8_t ctrl_reg_5_xl = init->XL_DataRate | init->XL_Scale;
LSM9DS1_Write(&ctrl_reg_5_xl,LSM9DS1_CTRL_REG6_XL, 1);
// Configure accelerometer axes
uint8_t ctrl_reg_6_xl = init->XL_Axes;
LSM9DS1_Write(&ctrl_reg_6_xl,LSM9DS1_CTRL_REG5_XL, 1);
// Configure gyro data rate and scale
uint8_t ctrl_reg1_g = init->G_DataRate | init->G_Scale;
LSM9DS1_Write(&ctrl_reg1_g,LSM9DS1_CTRL_REG1_G, 1);
// Configure gyro axes
uint8_t ctrl_reg_4 = init->G_Axes;
LSM9DS1_Write(&ctrl_reg_4,LSM9DS1_CTRL_REG4, 1);
}
void LSM9DS1_Init(LSM9DS1_InitTypeDef *LSM9DS1_InitStruct)
{
uint8_t ctrl = 0x00;
/* Configure the low level interface ---------------------------------------*/
LSM9DS1_LowLevel_Init();
/* Configure MEMS: data rate, update mode and axes */
ctrl = (uint8_t) (LSM9DS1_InitStruct->Power_Mode_Output_DataRate | \
LSM9DS1_InitStruct->Full_Scale | \
LSM9DS1_InitStruct->Filter_Mode | \
LSM9DS1_InitStruct->AA_Filter_BW);
/* Write value to MEMS CTRL_REG4 regsister */
LSM9DS1_Write(&ctrl, LSM9DS1_CTRL_REG6, 1);
/* Configure MEMS: Anti-aliasing filter, full scale, self test */
ctrl = (uint8_t) (LSM9DS1_InitStruct->Decimation | \
LSM9DS1_InitStruct->Axes_Enable);
/* Write value to MEMS CTRL_REG5 regsister */
LSM9DS1_Write(&ctrl, LSM9DS1_CTRL_REG5, 1);
}
