Kahejuhtmeliides TWI

/*! \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);
et/software/homelab/library/twi.txt · Last modified: 2020/07/20 09:00 by 127.0.0.1
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