diff options
Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32/i2c_lld.h | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.h b/os/hal/platforms/STM32/i2c_lld.h index 7a8f468eb..82333b0f7 100644 --- a/os/hal/platforms/STM32/i2c_lld.h +++ b/os/hal/platforms/STM32/i2c_lld.h @@ -109,19 +109,27 @@ typedef void (*i2ccallback_t)(I2CDriver *i2cp, I2CSlaveConfig *i2cscfg); */ typedef void (*i2cerrorcallback_t)(void); +typedef enum { + opmodeI2C, + opmodeSMBusDevice, + opmodeSMBusHost, +} I2C_opMode_t; + +typedef enum { + stdDutyCycle, + fastDutyCycle_2, + fastDutyCycle_16_9, +} I2C_DutyCycle_t; /** * @brief Driver configuration structure. */ typedef struct { - /** - * @brief I2C initialization data. - */ - uint16_t i2cc_cr1; - uint16_t i2cc_cr2; - uint16_t i2cc_ccr; - uint16_t i2cc_trise; - + I2C_opMode_t opMode; /*!< Specifies the I2C mode.*/ + uint32_t ClockSpeed; /*!< Specifies the clock frequency. Must be set to a value lower than 400kHz */ + I2C_DutyCycle_t FastModeDutyCycle;/*!< Specifies the I2C fast mode duty cycle */ + uint8_t OwnAddress7; /*!< Specifies the first device 7-bit own address. */ + uint8_t OwnAddress10; /*!< Specifies the second part of device own address in 10-bit mode. */ } I2CConfig; @@ -165,14 +173,13 @@ struct I2CSlaveConfig{ size_t txbytes; size_t txbufhead; - uint8_t slave_addr1; // 7-bit address of the slave - uint8_t slave_addr2; // used in 10-bit address mode + uint8_t addr7; // 7-bit address of the slave + uint8_t addr10; // used in 10-bit address mode. Set to NULL if not used uint16_t error_flags; - - uint8_t rw_bit; // this flag contain R/W bit - - bool_t restart; // send restart or stop event after complete data tx/rx + 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 error_flags, rw_bit, restart in one word. #if I2C_USE_WAIT /** @@ -212,10 +219,7 @@ struct I2CDriver{ I2CSlaveConfig *id_slave_config; /* End of the mandatory fields.*/ - /** - * @brief Thread waiting for I/O completion. - */ - Thread *id_thread; + /** * @brief Pointer to the I2Cx registers block. */ @@ -252,6 +256,8 @@ void i2c_lld_init(void); void i2c_lld_start(I2CDriver *i2cp); void i2c_lld_stop(I2CDriver *i2cp); +void i2c_lld_set_clock(I2CDriver *i2cp); + void i2c_lld_master_start(I2CDriver *i2cp); void i2c_lld_master_stop(I2CDriver *i2cp); |