Revision c89b966e source/P9221R/v1/alld_P9221R_v1.c
| source/P9221R/v1/alld_P9221R_v1.c | ||
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| 114 | 114 |
*/ |
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apalExitStatus_t p9221r_lld_read_x_alignment(const P9221RDriver* const p9221r, int8_t* const x_alignment, const apalTime_t timeout) |
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{
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uint8_t address = P9221R_LLD_REGISTER_ALIGNMENT_X;
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), &address, 2, x_alignment, 1, timeout);
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uint8_t addr = P9221R_LLD_REGISTER_ALIGNMENT_X; |
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), &addr, 2, x_alignment, 1, timeout); |
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return status; |
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} |
| ... | ... | |
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*/ |
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apalExitStatus_t p9221r_lld_read_y_alignment(const P9221RDriver* const p9221r, int8_t* const y_alignment, const apalTime_t timeout) |
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{
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uint8_t address = P9221R_LLD_REGISTER_ALIGNMENT_Y;
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), &address, 2, y_alignment, 1, timeout);
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uint8_t addr = P9221R_LLD_REGISTER_ALIGNMENT_Y; |
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), &addr, 2, y_alignment, 1, timeout); |
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return status; |
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} |
| ... | ... | |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_voltage(const P9221RDriver* const p9221r, uint16_t* const voltage, const apalTime_t timeout)
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apalExitStatus_t p9221r_lld_read_voltage(const P9221RDriver* const p9221r, float* const voltage, const apalTime_t timeout)
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{
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apalExitStatus_t status = NULL; |
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uint8_t addr = P9221R_LLD_REGISTER_OUTPUT_VOLTAGE_LSB; |
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uint8_t buffer[2]; |
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uint16_t value; |
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), (uint8_t*)&addr, 1, buffer, 2, timeout); |
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value = ((buffer[1] << 8) & 0x0F) | buffer[0]; // 4MSB are in buffer[1] so we shift and mask, 8LSB are in buffer[0] |
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*voltage = (((float) value) * 6 * 2.1)/4095.0; |
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return status; |
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} |
| ... | ... | |
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* @param[in] timeout timeout |
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* @return An indicator whether the call was successfull |
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*/ |
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apalExitStatus_t p9221r_lld_read_current(const P9221RDriver* const p9221r, uint16_t* const current, const apalTime_t timeout)
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apalExitStatus_t p9221r_lld_read_current(const P9221RDriver* const p9221r, float* const current, const apalTime_t timeout)
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{
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apalExitStatus_t status = NULL; |
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uint8_t addr = P9221R_LLD_REGISTER_IOUT_CURRENT_LSB; |
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uint8_t buffer[2]; |
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uint16_t value; |
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apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), (uint8_t*)&addr, 1, buffer, 2, timeout); |
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value = (buffer[1] << 8) | buffer[0]; // 8MSB are in buffer[1] so we shift, 8LSB are in buffer[0] |
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*current = (((float) value) * 2 * 2.1)/4095.0; |
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return status; |
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} |
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