/**
* @brief Initialize and Configures the IO_Expanders Functionalities
* (Touch Screen ..) and configures all STM32100E-EVAL necessary
* hardware (GPIOs, APB clocks ..).
* @param None
* @retval IOE_OK if all initializations done correctly. Other value if error.
*/
uint8_t IOE_Config(void)
{
IOE_StructInit();
IOE_Init();
/* Read IO Expander 1 ID */
if(IOE_IsOperational(IOE_1_ADDR))
{
return IOE1_NOT_OPERATIONAL;
}
/* Generate IOExpander Software reset */
IOE_Reset(IOE_1_ADDR);
/* ---------------------- IO Expander configuration --------------------- */
/* Enable the GPIO, Touch Screen and ADC functionalities */
IOE_FnctCmd(IOE_1_ADDR, IOE_ADC_FCT | IOE_IO_FCT , ENABLE);
/* Touch Screen controller configuration */
IOE_TS_Config();
/* Temperature Sensor configuration */
IOE_TempSens_Config();
/* Configuration is OK */
return IOE_OK;
}
/**
* @brief Initialize the stmpe1600 and configure the needed hardware resources
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void stmpe1600_Init(uint16_t DeviceAddr)
{
uint8_t instance;
uint8_t empty;
/* Check if device instance already exists */
instance = stmpe1600_GetInstance(DeviceAddr);
if(instance == 0xFF)
{
/* Look for empty instance */
empty = stmpe1600_GetInstance(0);
if(empty < STMPE1600_MAX_INSTANCE)
{
/* Register the current device instance */
stmpe1600[empty] = DeviceAddr;
/* Initialize IO BUS layer */
IOE_Init();
/* Generate stmpe1600 Software reset */
stmpe1600_Reset(DeviceAddr);
}
}
}
/**
* @brief User callback that manages the IOE errors.
* @param None
* @retval None
*/
void IOE_TimeoutUserCallback(void)
{
/* Configure the needed pins */
IOE_EXTI_Config();
/* Configure I2C device */
IOE_StructInit();
IOE_Init();
}
/**
* @brief Read the stmpe1600 device ID.
* @param DeviceAddr: Device address on communication Bus.
* @retval The Device ID (two bytes).
*/
uint16_t stmpe1600_ReadID(uint16_t DeviceAddr)
{
uint8_t tmpData[2] = {0 , 0};
/* Initialize IO BUS layer */
IOE_Init();
/* Read the stmpe1600 device ID */
IOE_ReadMultiple(DeviceAddr, STMPE1600_REG_CHP_ID, tmpData, 2);
/* Return the device ID value */
return((uint16_t)tmpData[0] | (((uint16_t)tmpData[1]) << 8));
}
/**
* @brief Initializes and configures the touch screen functionalities and
* configures all necessary hardware resources (GPIOs, clocks..).
* @param xSize: Maximum X size of the TS area on LCD
* ySize: Maximum Y size of the TS area on LCD
* @retval TS_OK if all initializations are OK. Other value if error.
*/
uint8_t BSP_TS_Init(uint16_t xSize, uint16_t ySize)
{
uint8_t status = TS_OK;
tsXBoundary = xSize;
tsYBoundary = ySize;
/* Read ID and verify if the IO expander is ready */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* Initialize the TS driver structure */
tsDriver = &stmpe811_ts_drv;
I2cAddress = TS_I2C_ADDRESS;
tsOrientation = TS_SWAP_Y;
}
else
{
IOE_Init();
/* Check TS3510 touch screen driver presence to determine if TS3510 or
* EXC7200 driver will be used */
if(BSP_TS3510_IsDetected() == 0)
{
/* Initialize the TS driver structure */
tsDriver = &ts3510_ts_drv;
I2cAddress = TS3510_I2C_ADDRESS;
}
else
{
/* Initialize the TS driver structure */
tsDriver = &exc7200_ts_drv;
I2cAddress = EXC7200_I2C_ADDRESS;
}
tsOrientation = TS_SWAP_NONE;
}
/* Initialize the TS driver */
tsDriver->Init(I2cAddress);
tsDriver->Start(I2cAddress);
return status;
}
/**
* @brief Initialize the ts3510 and configure the needed hardware resources
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void ts3510_Init(uint16_t DeviceAddr)
{
/* Initialize IO BUS layer */
IOE_Init();
}
/**
* @brief Initialize the exc7200 and configure the needed hardware resources
* @param DeviceAddr: Device address on communication Bus.
* @retval None
*/
void exc7200_Init(uint16_t DeviceAddr)
{
/* Initialize IO BUS layer */
IOE_Init();
}
/**
* @brief Initialize and Configures the two IO_Expanders Functionalities
* (IOs, Touch Screen ..) and configures all STM3210C-EVAL necessary
* hardware (GPIOs, APB clocks ..).
* @param None
* @retval IOE_OK if all initializations done correctly. Other value if error.
*/
uint8_t IOE_Config(void)
{
IOE_StructInit();
IOE_Init();
/* Read IO Expander 1 ID */
if(IOE_IsOperational(IOE_1_ADDR))
{
return IOE1_NOT_OPERATIONAL;
}
/* Read IO Expander 2 ID */
if(IOE_IsOperational(IOE_2_ADDR))
{
return IOE2_NOT_OPERATIONAL;
}
/* Generate IOExpander Software reset */
IOE_Reset(IOE_1_ADDR);
IOE_Reset(IOE_2_ADDR);
/* ---------------------- IO Expander 1 configuration --------------------- */
/* Enable the GPIO, Touch Screen and ADC functionalities */
IOE_FnctCmd(IOE_1_ADDR, IOE_IO_FCT | IOE_ADC_FCT, ENABLE);
/* Configure the VBAT pin in output mode pin*/
IOE_IOPinConfig(IOE_1_ADDR, VBAT_DIV_PIN , Direction_OUT);
/* ENABLE the alternate function for IN1 pin */
IOE_IOAFConfig(IOE_1_ADDR, VBAT_DIV_PIN, ENABLE);
/* Apply the default state for the out pins */
IOE_WriteIOPin(VBAT_DIV_PIN, BitReset);
/* Touch Screen controller configuration */
IOE_TS_Config();
/* ---------------------- IO Expander 2 configuration --------------------- */
/* Enable the GPIO, Temperature Sensor and ADC functionalities */
IOE_FnctCmd(IOE_2_ADDR, IOE_IO_FCT | IOE_ADC_FCT, ENABLE);
/* Configure the Audio Codec Reset pin in output mode pin*/
IOE_IOPinConfig(IOE_2_ADDR, (uint32_t)(AUDIO_RESET_PIN), Direction_OUT);
IOE_IOPinConfig(IOE_2_ADDR, (uint32_t)(MII_INT_PIN), Direction_IN);
/* ENABLE the alternate function for IN1 pin */
IOE_IOAFConfig(IOE_2_ADDR, (uint32_t)(AUDIO_RESET_PIN | MII_INT_PIN), ENABLE);
/* Apply the default state for the out pins */
IOE_WriteIOPin(AUDIO_RESET_PIN, BitReset);
IOE_WriteIOPin(MII_INT_PIN, BitReset);
/* Configure the Joystick pins in Input mode */
IOE_IOPinConfig(IOE_2_ADDR, JOY_IO_PINS , Direction_IN);
/* ENABLE the alternate function for the Joystick pins */
IOE_IOAFConfig(IOE_2_ADDR, JOY_IO_PINS, ENABLE);
/* Configure the IOs to detect Falling and Rising Edges */
IOE_IOEdgeConfig(IOE_2_ADDR, JOY_IO_PINS, (uint8_t)(EDGE_FALLING | EDGE_RISING));
/* Configure the MEMS interrupt pins in Input mode */
IOE_IOPinConfig(IOE_2_ADDR, (uint32_t)(MEMS_INT1_PIN | MEMS_INT2_PIN), Direction_IN);
/* ENABLE the alternate function for the Joystick pins */
IOE_IOAFConfig(IOE_2_ADDR, (uint32_t)(MEMS_INT1_PIN | MEMS_INT2_PIN), ENABLE);
/* Configure the IOs to detect Falling and Rising Edges */
IOE_IOEdgeConfig(IOE_2_ADDR, (uint32_t)(MEMS_INT1_PIN | MEMS_INT2_PIN), (uint32_t)(EDGE_FALLING | EDGE_RISING));
/* Temperature Sensor module configuration */
IOE_TempSens_Config();
/* Configuration is OK */
return IOE_OK;
}
