diff options
Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32/i2c_lld.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.h b/os/hal/platforms/STM32/i2c_lld.h index 25e451962..5f7098d50 100644 --- a/os/hal/platforms/STM32/i2c_lld.h +++ b/os/hal/platforms/STM32/i2c_lld.h @@ -138,19 +138,19 @@ struct I2CSlaveConfig{ * @brief Callback pointer. * @note Transfer finished callback. Invoke when all data transferred, or * by DMA buffer events - * @p NULL then the callback is disabled. + * If set to @p NULL then the callback is disabled. */ i2ccallback_t id_callback; /** * @brief Callback pointer. - * @note TODO: I don't know, when this callback is inwoked - * @p NULL then the callback is disabled. + * @note This callback will be invoked when error condition occur. + * If set to @p NULL then the callback is disabled. */ i2cerrorcallback_t id_err_callback; i2cblock_t *rxbuf; // pointer to buffer size_t rxdepth; // depth of buffer - size_t rxbytes; // count of bytes to sent in one sending + size_t rxbytes; // count of bytes to sent in one transmission size_t rxbufhead; // head pointer to current data byte i2cblock_t *txbuf; @@ -158,12 +158,19 @@ struct I2CSlaveConfig{ size_t txbytes; size_t txbufhead; - uint8_t addr7; // 7-bit address of the slave - uint16_t addr10; // used in 10-bit address mode. Set to NULL if not used + /** + * @brief Address word. + * @details The MSB used to switch between 10-bit and 7-bit modes + * (0 denotes 7-bit mode). Bits 0..9 contain slave address. + * Bits 10..14 ignores in 10-bit mode. + * Bits 7..14 ignores in 7-bot mode. + */ + uint16_t address; + //TODO: join rw_bit, restart in one word. uint8_t rw_bit; // this flag contain R/W bit bool_t restart; // send restart or stop event after complete data tx/rx - //TODO: join rw_bit, restart in one word. + #if I2C_USE_WAIT /** |