| Next revision | Previous revision |
| et:software:homelab:library:twi [2015/02/25 16:33] – tekitatud raivo.sell | et:software:homelab:library:twi [2020/07/20 12:00] (current) – external edit 127.0.0.1 |
|---|
| ====== Kahejuhtmeliides TWI ====== | ====== Kahejuhtmeliides TWI ====== |
| | <code c> |
| |
| | /*! \brief Initialize the TWI module. |
| | * |
| | * TWI module initialization function. |
| | * Enables master read and write interrupts. |
| | * Remember to enable interrupts globally from the main application. |
| | * |
| | * \param twi The TWI_Master_t struct instance. |
| | * \param module The TWI module to use. |
| | * \param intLevel Master interrupt level. |
| | * \param baudRateRegisterSetting The baud rate register value. |
| | */ |
| | void TWI_MasterInit(TWI_Master_t *twi,TWI_t *module,TWI_MASTER_INTLVL_t intLevel, uint8_t baudRateRegisterSetting); |
| | /*! \brief TWI write transaction. |
| | * |
| | * This function is TWI Master wrapper for a write-only transaction. |
| | * |
| | * \param twi The TWI_Master_t struct instance. |
| | * \param address Slave address. |
| | * \param writeData Pointer to data to write. |
| | * \param bytesToWrite Number of data bytes to write. |
| | * |
| | * \retval true If transaction could be started. |
| | * \retval false If transaction could not be started. |
| | */ |
| | bool TWI_MasterWrite(TWI_Master_t *twi,uint8_t address,uint8_t * writeData, uint8_t bytesToWrite); |
| | /*! \brief TWI read transaction. |
| | * |
| | * This function is a TWI Maste wrapper for read-only transaction. |
| | * |
| | * \param twi The TWI_Master_t struct instance. |
| | * \param address The slave address. |
| | * \param bytesToRead The number of bytes to read. |
| | * |
| | * \retval true If transaction could be started. |
| | * \retval false If transaction could not be started. |
| | */ |
| | bool TWI_MasterRead(TWI_Master_t *twi,uint8_t address,uint8_t bytesToRead); |
| | /*! \brief TWI write and/or read transaction. |
| | * |
| | * This function is a TWI Master write and/or read transaction. The function |
| | * can be used to both write and/or read bytes to/from the TWI Slave in one |
| | * transaction. |
| | * |
| | * \param twi The TWI_Master_t struct instance. |
| | * \param address The slave address. |
| | * \param writeData Pointer to data to write. |
| | * \param bytesToWrite Number of bytes to write. |
| | * \param bytesToRead Number of bytes to read. |
| | * |
| | * \retval true If transaction could be started. |
| | * \retval false If transaction could not be started. |
| | */ |
| | bool TWI_MasterWriteRead(TWI_Master_t *twi,uint8_t address,uint8_t *writeData,uint8_t bytesToWrite,uint8_t bytesToRead); |
| | /*! \brief Common TWI master interrupt service routine. |
| | * |
| | * Check current status and calls the appropriate handler. |
| | * |
| | * \param twi The TWI_Master_t struct instance. |
| | */ |
| | void TWI_MasterInterruptHandler(TWI_Master_t *twi); |
| | |
| | </code> |
