/*---------------------------------------------------------------------------*/
void
bme280_arch_i2c_read_mem(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t bytes)
{
i2c_master_enable();
if(i2c_single_send(addr, reg) == I2C_MASTER_ERR_NONE) {
while(i2c_master_busy());
i2c_burst_receive(addr, buf, bytes);
}
}
/*---------------------------------------------------------------------------*/
static uint16_t
sht25_read_reg(uint8_t reg, uint8_t *buf, uint8_t regNum)
{
if(i2c_single_send(SHT25_ADDR, reg) == I2C_MASTER_ERR_NONE) {
if(i2c_burst_receive(SHT25_ADDR, buf, regNum) == I2C_MASTER_ERR_NONE) {
return SHT25_SUCCESS;
}
}
return SHT25_ERROR;
}
/*---------------------------------------------------------------------------*/
static int value(int type) {
uint8_t temp[2] = { 0, 0 };
/* set pointer to temperature register */
i2c_single_send(SE95_ADDR, 0);
/* receive the data */
i2c_burst_receive(SE95_ADDR, temp, 2);
return ((( temp[0] << 8 ) + temp[1]) >> 3);
}
/*---------------------------------------------------------------------------*/
static uint16_t
sht25_read_reg(uint8_t reg, uint8_t *buf, uint8_t num)
{
if((buf == NULL) || (num <= 0)) {
return SHT25_ERROR;
}
i2c_master_enable();
if(i2c_single_send(SHT25_ADDR, reg) == I2C_MASTER_ERR_NONE) {
if(i2c_burst_receive(SHT25_ADDR, buf, num) == I2C_MASTER_ERR_NONE) {
return SHT25_SUCCESS;
}
}
return SHT25_ERROR;
}
