| 319,3 → 319,133 |
|---|
| twi__send_data(register_value); |
| twi__stop(); |
| } |
| |
| /**************************************************************************//** |
| * \fn uint8_t ds1307__read_byte_in_ram(uint8_t address) |
| * |
| * \brief Read a byte in DS1307 RAM. |
| * |
| * \param address Address to read. |
| * |
| * \return Read byte. |
| ******************************************************************************/ |
| uint8_t |
| ds1307__read_byte_in_ram |
| ( |
| uint8_t address |
| ){ |
| // Check the preconditions. |
| assert(address >= 0x08); |
| assert(address <= 0x3F); |
| |
| uint8_t data = 0; |
| |
| twi__start(); |
| twi__send_slaw(DS1307__ADDRESS); |
| twi__send_data(address); |
| twi__stop(); |
| |
| twi__start(); |
| twi__send_slar(DS1307__ADDRESS); |
| twi__receive_data_nack(&data); |
| twi__stop(); |
| |
| return data; |
| } |
| |
| /**************************************************************************//** |
| * \fn void ds1307__read_bytes_in_ram( |
| * uint8_t address, |
| * uint8_t length, |
| * uint8_t* p_data) |
| * |
| * \brief Read bytes in DS1307 RAM. |
| * |
| * \param address Address to read. |
| * \param length Number of bytes to read. |
| * \param[in] p_data Buffer to fill. |
| ******************************************************************************/ |
| void |
| ds1307__read_bytes_in_ram |
| ( |
| uint8_t address, |
| uint8_t length, |
| uint8_t* p_data |
| ){ |
| // Check the preconditions. |
| assert(NULL != p_data); |
| assert(address >= 0x08); |
| assert(address <= 0x3F); |
| assert(length <= 56); |
| |
| twi__start(); |
| twi__send_slaw(DS1307__ADDRESS); |
| twi__send_data(address); |
| twi__stop(); |
| |
| twi__start(); |
| twi__send_slar(DS1307__ADDRESS); |
| for (uint8_t i = 0; i < length - 1; i++) |
| { |
| twi__receive_data_ack(p_data + i); |
| } |
| twi__receive_data_nack(p_data + length - 1); |
| twi__stop(); |
| } |
| |
| /**************************************************************************//** |
| * \fn void ds1307__write_byte_in_ram(uint8_t address, uint8_t data) |
| * |
| * \brief Write a byte in DS1307 RAM. |
| * |
| * \param address Address to write. |
| * \param data Byte to write. |
| ******************************************************************************/ |
| void |
| ds1307__write_byte_in_ram |
| ( |
| uint8_t address, |
| uint8_t data |
| ){ |
| // Check the preconditions. |
| assert(address >= 0x08); |
| assert(address <= 0x3F); |
| |
| twi__start(); |
| twi__send_slaw(DS1307__ADDRESS); |
| twi__send_data(address); |
| twi__send_data(data); |
| twi__stop(); |
| } |
| |
| /**************************************************************************//** |
| * \fn void ds1307__write_bytes_in_ram(uint8_t address, uint8_t data) |
| * |
| * \brief Write a byte in DS1307 RAM. |
| * |
| * \param address Address to write. |
| * \param length Number of bytes to write. |
| * \param[in] p_data Bytes to write. |
| ******************************************************************************/ |
| void |
| ds1307__write_bytes_in_ram |
| ( |
| uint8_t address, |
| uint8_t length, |
| uint8_t* p_data |
| ){ |
| // Check the preconditions. |
| assert(NULL != p_data); |
| assert(address >= 0x08); |
| assert(address <= 0x3F); |
| assert(length <= 56); |
| |
| twi__start(); |
| twi__send_slaw(DS1307__ADDRESS); |
| twi__send_data(address); |
| for (uint8_t i = 0; i < length; i++) |
| { |
| twi__send_data(p_data[i]); |
| } |
| twi__stop(); |
| } |