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传感器驱动使用STMems_Standard_C_drivers
BlueNRG-1的SDK_EVAL_I2C.c库使用的是7位设备地址,使用lsm6dsl_reg.h的LSM6DSL_I2C_ADD_x时需要或移一位转成7位地址
- /******************** (C) COPYRIGHT 2015 STMicroelectronics ********************
- * File Name : I2C/Master_Polling/main.c
- * Author : RF Application Team
- * Version : V1.0.0
- * Date : September-2015
- * Description : Code demostrating the I2C master functionality
- ********************************************************************************
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
- * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
- * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
- * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
- * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *******************************************************************************/
- /* Includes ------------------------------------------------------------------*/
- #include "BlueNRG_x_device.h"
- #include <stdio.h>
- #include <string.h>
- #include "BlueNRG1_conf.h"
- #include "SDK_EVAL_Config.h"
- #include "lsm6dsl_reg.h"
- /** @addtogroup BlueNRG1_StdPeriph_Examples BlueNRG1 Standard Peripheral Examples
- * @{
- */
- /** @addtogroup I2C_Examples I2C Examples
- * @{
- */
- /** @addtogroup I2C_Master I2C Master
- * @{
- */
- /* Private typedef -----------------------------------------------------------*/
- typedef enum {
- I2C_OP_FAILED = 0,
- I2C_OP_SUCCEED
- }
- I2C_AppOpStatus;
- /* Private define ------------------------------------------------------------*/
- #define TOGGLE_DL1 '1'
- #define TOGGLE_DL2 '2'
- #define TOGGLE_DL3 '3'
- /* I2C Device address */
- #define DEV_ADDRESS 0xBE
- /* I2C clock frequency */
- #define SDK_EVAL_I2C_CLK_SPEED (10000)
- #define TX_BUF_DIM 1000
- #define MAX_BUF_SIZE 256
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private function prototypes -----------------------------------------------*/
- static axis3bit16_t data_raw_acceleration;
- static axis3bit16_t data_raw_angular_rate;
- static axis1bit16_t data_raw_temperature;
- static float acceleration_mg[3];
- static float angular_rate_mdps[3];
- static float temperature_degC;
- static uint8_t whoamI, rst;
- static char tx_buffer[TX_BUF_DIM];
- lsm6dsl_ctx_t dev_ctx;
- /* Private functions ---------------------------------------------------------*/
- static int32_t platform_write(void *handle, uint8_t Reg, uint8_t *Bufp,
- uint16_t len)
- {
- SdkEvalI2CWrite(Bufp, LSM6DSL_I2C_ADD_L >> 1, Reg, len);
- return 0;
- }
- static int32_t platform_read(void *handle, uint8_t Reg, uint8_t *Bufp,
- uint16_t len)
- {
- SdkEvalI2CRead(Bufp, LSM6DSL_I2C_ADD_L >> 1, Reg, len);
- return 0;
- }
- /* Main Example --------------------------------------------------------------*/
- void example_main(void)
- {
- /*
- * Initialize mems driver interface
- */
- dev_ctx.write_reg = platform_write;
- dev_ctx.read_reg = platform_read;
-
- SdkEvalI2CInit(10000);
- printf("i2c init");
- /*
- * Check device ID
- */
- whoamI = 0;
- lsm6dsl_device_id_get(&dev_ctx, &whoamI);
-
- printf("%d",whoamI);
- if ( whoamI != LSM6DSL_ID )
- while(1); /*manage here device not found */
- /*
- * Restore default configuration
- */
- lsm6dsl_reset_set(&dev_ctx, PROPERTY_ENABLE);
- do {
- lsm6dsl_reset_get(&dev_ctx, &rst);
- } while (rst);
- /*
- * Enable Block Data Update
- */
- lsm6dsl_block_data_update_set(&dev_ctx, PROPERTY_ENABLE);
- /*
- * Set Output Data Rate
- */
- lsm6dsl_xl_data_rate_set(&dev_ctx, LSM6DSL_XL_ODR_12Hz5);
- lsm6dsl_gy_data_rate_set(&dev_ctx, LSM6DSL_GY_ODR_12Hz5);
- /*
- * Set full scale
- */
- lsm6dsl_xl_full_scale_set(&dev_ctx, LSM6DSL_2g);
- lsm6dsl_gy_full_scale_set(&dev_ctx, LSM6DSL_2000dps);
-
- /*
- * Configure filtering chain(No aux interface)
- */
- /* Accelerometer - analog filter */
- lsm6dsl_xl_filter_analog_set(&dev_ctx, LSM6DSL_XL_ANA_BW_400Hz);
-
- /* Accelerometer - LPF1 path ( LPF2 not used )*/
- //lsm6dsl_xl_lp1_bandwidth_set(&dev_ctx, LSM6DSL_XL_LP1_ODR_DIV_4);
-
- /* Accelerometer - LPF1 + LPF2 path */
- lsm6dsl_xl_lp2_bandwidth_set(&dev_ctx, LSM6DSL_XL_LOW_NOISE_LP_ODR_DIV_100);
-
- /* Accelerometer - High Pass / Slope path */
- //lsm6dsl_xl_reference_mode_set(&dev_ctx, PROPERTY_DISABLE);
- //lsm6dsl_xl_hp_bandwidth_set(&dev_ctx, LSM6DSL_XL_HP_ODR_DIV_100);
-
- /* Gyroscope - filtering chain */
- lsm6dsl_gy_band_pass_set(&dev_ctx, LSM6DSL_HP_260mHz_LP1_STRONG);
-
- /*
- * Read samples in polling mode (no int)
- */
- while(1)
- {
- /*
- * Read output only if new value is available
- */
- lsm6dsl_reg_t reg;
- lsm6dsl_status_reg_get(&dev_ctx, ®.status_reg);
- if (reg.status_reg.xlda)
- {
- /* Read magnetic field data */
- memset(data_raw_acceleration.u8bit, 0x00, 3*sizeof(int16_t));
- lsm6dsl_acceleration_raw_get(&dev_ctx, data_raw_acceleration.u8bit);
- acceleration_mg[0] = LSM6DSL_FROM_FS_2g_TO_mg( data_raw_acceleration.i16bit[0]);
- acceleration_mg[1] = LSM6DSL_FROM_FS_2g_TO_mg( data_raw_acceleration.i16bit[1]);
- acceleration_mg[2] = LSM6DSL_FROM_FS_2g_TO_mg( data_raw_acceleration.i16bit[2]);
-
- sprintf((char*)tx_buffer, "Acceleration [mg]:%4.2f\t%4.2f\t%4.2f\r\n",
- acceleration_mg[0], acceleration_mg[1], acceleration_mg[2]);
- printf( tx_buffer);
- }
- if (reg.status_reg.gda)
- {
- /* Read magnetic field data */
- memset(data_raw_angular_rate.u8bit, 0x00, 3*sizeof(int16_t));
- lsm6dsl_angular_rate_raw_get(&dev_ctx, data_raw_angular_rate.u8bit);
- angular_rate_mdps[0] = LSM6DSL_FROM_FS_2000dps_TO_mdps(data_raw_angular_rate.i16bit[0]);
- angular_rate_mdps[1] = LSM6DSL_FROM_FS_2000dps_TO_mdps(data_raw_angular_rate.i16bit[1]);
- angular_rate_mdps[2] = LSM6DSL_FROM_FS_2000dps_TO_mdps(data_raw_angular_rate.i16bit[2]);
-
- sprintf((char*)tx_buffer, "Angular rate [mdps]:%4.2f\t%4.2f\t%4.2f\r\n",
- angular_rate_mdps[0], angular_rate_mdps[1], angular_rate_mdps[2]);
- printf( tx_buffer);
- }
- if (reg.status_reg.tda)
- {
- /* Read temperature data */
- memset(data_raw_temperature.u8bit, 0x00, sizeof(int16_t));
- lsm6dsl_temperature_raw_get(&dev_ctx, data_raw_temperature.u8bit);
- temperature_degC = LSM6DSL_FROM_LSB_TO_degC( data_raw_temperature.i16bit );
-
- sprintf((char*)tx_buffer, "Temperature [degC]:%6.2f\r\n", temperature_degC );
- printf( tx_buffer);
- }
- }
- }
- /**
- * [url=home.php?mod=space&uid=159083]@brief[/url] Main program code
- * @param None
- * @retval None
- */
- int main(void)
- {
- /* System initialization function */
- SystemInit();
-
- /* Identify BlueNRG1 platform */
- SdkEvalIdentification();
-
- /* UART initialization */
- SdkEvalComUartInit(UART_BAUDRATE);
-
- /* Infinite loop for process command */
- example_main();
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- */
- void assert_failed(uint8_t* file, uint32_t line)
- {
- /* User can add his own implementation to report the file name and line number,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* Infinite loop */
- while (1)
- {
- }
- }
- #endif
- /**
- * @}
- */
- /**
- * @}
- */
- /**
- * @}
- */
- /******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/
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