#include #include "bma400.h" void set_interface(enum bma400_intf intf, struct bma400_dev *dev); void delay_ms(uint32_t period); int8_t i2c_reg_write(void *intf_ptr, uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data, uint16_t length); int8_t i2c_reg_read(void *intf_ptr, uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data, uint16_t length); int8_t spi_reg_write(void *intf_ptr, uint8_t cs, uint8_t reg_addr, uint8_t *reg_data, uint16_t length); int8_t spi_reg_read(void *intf_ptr, uint8_t cs, uint8_t reg_addr, uint8_t *reg_data, uint16_t length); void print_rslt(int8_t rslt); int main(int argc, char const *argv[]) { struct bma400_dev bma; int8_t rslt; set_interface(BMA400_SPI_INTF, &bma); rslt = bma400_init(&bma); print_rslt(rslt); rslt = bma400_soft_reset(&bma); print_rslt(rslt); rslt = bma400_perform_self_test(&bma); print_rslt(rslt); if (rslt == BMA400_OK) { printf("Self test passed.\r\n"); } return 0; } void set_interface(enum bma400_intf intf, struct bma400_dev *dev) { switch (intf) { case BMA400_I2C_INTF: dev->intf_ptr = NULL; /* To attach your interface device reference */ dev->delay_ms = delay_ms; dev->dev_id = BMA400_I2C_ADDRESS_SDO_LOW; dev->read = i2c_reg_read; dev->write = i2c_reg_write; dev->intf = BMA400_I2C_INTF; break; case BMA400_SPI_INTF: dev->intf_ptr = NULL; /* To attach your interface device reference */ dev->dev_id = 0; /* Could be used to identify the chip select line. */ dev->read = spi_reg_read; dev->write = spi_reg_write; dev->intf = BMA400_SPI_INTF; break; default: printf("Interface not supported.\r\n"); } } void delay_ms(uint32_t period) { /* Wait for a period amount of ms*/ } int8_t i2c_reg_write(void *intf_ptr, uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data, uint16_t length) { /* Write to registers using I2C. Return 0 for a successful execution. */ return -1; } int8_t i2c_reg_read(void *intf_ptr, uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data, uint16_t length) { /* Read from registers using I2C. Return 0 for a successful execution. */ return -1; } int8_t spi_reg_write(void *intf_ptr, uint8_t cs, uint8_t reg_addr, uint8_t *reg_data, uint16_t length) { /* Write to registers using SPI. Return 0 for a successful execution. */ return -1; } int8_t spi_reg_read(void *intf_ptr, uint8_t cs, uint8_t reg_addr, uint8_t *reg_data, uint16_t length) { /* Read from registers using SPI. Return 0 for a successful execution. */ return -1; } void print_rslt(int8_t rslt) { switch (rslt) { case BMA400_OK: /* Do nothing */ break; case BMA400_E_NULL_PTR: printf("Error [%d] : Null pointer\r\n", rslt); break; case BMA400_E_COM_FAIL: printf("Error [%d] : Communication failure\r\n", rslt); break; case BMA400_E_DEV_NOT_FOUND: printf("Error [%d] : Device not found\r\n", rslt); break; case BMA400_E_INVALID_CONFIG: printf("Error [%d] : Invalid configuration\r\n", rslt); break; case BMA400_W_SELF_TEST_FAIL: printf("Warning [%d] : Self test failed\r\n", rslt); break; default: printf("Error [%d] : Unknown error code\r\n", rslt); break; } }