/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
bool TWI_open(new_twi* TwiStruct)
{
if(!TwiStruct)
return false;
I2C_HandleTypeDef *I2cHandle = calloc(1, sizeof(I2C_HandleTypeDef));
if(!I2cHandle)
return false;
//I2C_InitTypeDef I2C_InitStructure;
TwiStruct->udata = (void *)I2cHandle;
sEE_LowLevel_Init(TwiStruct);
/*##-1- Configure the I2C peripheral #######################################*/
I2cHandle->Instance = sEE_I2C[TwiStruct->TwiNr];
I2cHandle->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
I2cHandle->Init.Timing = I2C_TIMING;
I2cHandle->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
//I2cHandle->Init.DutyCycle = I2C_DUTYCYCLE_2;
I2cHandle->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
I2cHandle->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
I2cHandle->Init.OwnAddress1 = TwiStruct->MasterSlaveAddr;
//I2cHandle.Init.OwnAddress2 = 0xFF;
if(HAL_I2C_Init(I2cHandle) != HAL_OK)
{
/* Initialization Error */
return false;
}
return true;
}
/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
void sEE_Init(void)
{
I2C_InitTypeDef I2C_InitStructure;
sEE_LowLevel_Init();
/* If the I2C peripheral is already enabled, don't reconfigure it */
if ((sEE_I2C->CR1 & I2C_CR1_PE) == 0)
{
/*!< I2C configuration */
/* sEE_I2C configuration */
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = 0x00;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = I2C_SPEED;
/* Apply sEE_I2C configuration after enabling it */
I2C_Init(sEE_I2C, &I2C_InitStructure);
/* sEE_I2C Peripheral Enable */
I2C_Cmd(sEE_I2C, ENABLE);
}
/* Enable the sEE_I2C peripheral DMA requests */
I2C_DMACmd(sEE_I2C, ENABLE);
/*!< Select the EEPROM address */
sEEAddress = sEE_HW_ADDRESS;
}
/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
void sEE_Init(void)
{
I2C_InitTypeDef I2C_InitStructure;
sEE_LowLevel_Init();
/*!< I2C configuration */
/* sEE_I2C configuration */
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_AnalogFilter = I2C_AnalogFilter_Enable;
I2C_InitStructure.I2C_DigitalFilter = 0x00;
I2C_InitStructure.I2C_OwnAddress1 = 0x00;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_Timing = sEE_I2C_TIMING;
/* Apply sEE_I2C configuration after enabling it */
I2C_Init(sEE_I2C, &I2C_InitStructure);
/* sEE_I2C Peripheral Enable */
I2C_Cmd(sEE_I2C, ENABLE);
/*!< Select the EEPROM address */
sEEAddress = sEE_HW_ADDRESS;
}
/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
void sEE_Init(void)
{
I2C_InitTypeDef I2C_InitStructure;
sEE_LowLevel_Init();
/*!< I2C configuration */
/* sEE_I2C configuration */
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = I2C_SLAVE_ADDRESS7;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = I2C_SPEED;
/* sEE_I2C Peripheral Enable */
I2C_Cmd(sEE_I2C, ENABLE);
/* Apply sEE_I2C configuration after enabling it */
I2C_Init(sEE_I2C, &I2C_InitStructure);
/* Enable the sEE_I2C peripheral DMA requests */
I2C_DMACmd(sEE_I2C, ENABLE);
#if 0
#if defined (sEE_M24C64_32)
/*!< Select the EEPROM address according to the state of E0, E1, E2 pins */
sEEAddress = sEE_HW_ADDRESS;
#elif defined (sEE_M24C08)
/*!< depending on the sEE Address selected in the stm322xg_eval_i2c_ee.h file */
#ifdef sEE_Block0_ADDRESS
/*!< Select the sEE Block0 to write on */
sEEAddress = sEE_Block0_ADDRESS;
#elif defined (sEE_AT24C02)
sEEAddress = 0xA0;
#endif
#ifdef sEE_Block1_ADDRESS
/*!< Select the sEE Block1 to write on */
sEEAddress = sEE_Block1_ADDRESS;
#endif
#ifdef sEE_Block2_ADDRESS
/*!< Select the sEE Block2 to write on */
sEEAddress = sEE_Block2_ADDRESS;
#endif
#ifdef sEE_Block3_ADDRESS
/*!< Select the sEE Block3 to write on */
sEEAddress = sEE_Block3_ADDRESS;
#endif
#endif /*!< sEE_M24C64_32 */
#endif
sEEAddress = 0xA0;
}
/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
void sEE_Init(void)
{
sEE_LowLevel_Init();
/* I2C configuration */
/* sEE_I2C Peripheral Enable */
I2C_Cmd( ENABLE);
/* sEE_I2C configuration after enabling it */
I2C_Init(I2C_SPEED, I2C_SLAVE_ADDRESS7, I2C_DUTYCYCLE_2, I2C_ACK_CURR,
I2C_ADDMODE_7BIT, 16);
#if defined (sEE_M24C64_32)
/* Select the EEPROM address according to the state of E0, E1, E2 pins */
sEEAddress = sEE_HW_ADDRESS;
#endif /* sEE_M24C64_32 */
}
/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
void sEE_Init(void)
{
sEE_LowLevel_Init();
/*!< I2C configuration */
/* sEE_I2C Peripheral Enable */
I2C_Cmd(sEE_I2C, ENABLE);
/* sEE_I2C configuration after enabling it */
I2C_Init(sEE_I2C, I2C_SPEED, I2C_SLAVE_ADDRESS7, I2C_Mode_I2C, I2C_DutyCycle_2,
I2C_Ack_Enable, I2C_AcknowledgedAddress_7bit);
/* Enable the sEE_I2C peripheral DMA requests */
I2C_DMACmd(sEE_I2C, ENABLE);
#if defined (sEE_M24C64_32)
/*!< Select the EEPROM address according to the state of E0, E1, E2 pins */
sEEAddress = sEE_HW_ADDRESS;
#endif /*!< sEE_M24C64_32 */
}
/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
bool TWI_open(new_twi* TwiStruct)
{
I2C_InitTypeDef I2C_InitStructure;
sEE_LowLevel_Init(TwiStruct);
/*!< I2C configuration */
/* sEE_I2C configuration */
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = TwiStruct->MasterSlaveAddr;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = TwiStruct->BaudRate;
/* sEE_I2C Peripheral Enable */
I2C_Cmd(sEE_I2C[TwiStruct->TwiNr], ENABLE);
/* Apply sEE_I2C configuration after enabling it */
I2C_Init(sEE_I2C[TwiStruct->TwiNr], &I2C_InitStructure);
return true;
}
