/**
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******************************************************************************
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* @file stm32100e_eval_ioe.h
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* @author MCD Application Team
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* @version V4.5.0
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* @date 07-March-2011
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* @brief This file contains all the functions prototypes for the IO Expander
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* firmware driver.
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******************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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******************************************************************************
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*/
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/* File Info : ---------------------------------------------------------------
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SUPPORTED FEATURES:
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- Touch Screen Features: Single point mode (Polling/Interrupt).
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- TempSensor Feature: accuracy not determined (Polling).
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- IO Read/write : Set/Reset and Read (Polling/Interrupt).
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UNSUPPORTED FEATURES:
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- Row ADC Feature is not supported (not implemented on STM32100E-EVAL board)
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- Joystick: config and Read (Polling/Interrupt)
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----------------------------------------------------------------------------*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32100E_EVAL_IOE_H
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#define __STM32100E_EVAL_IOE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x.h"
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/** @addtogroup Utilities
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* @{
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*/
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/** @addtogroup STM32_EVAL
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* @{
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*/
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/** @addtogroup STM32100E_EVAL
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* @{
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*/
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/** @defgroup STM32100E_EVAL_IOE
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* @{
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*/
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/** @defgroup STM32100E_EVAL_IOE_Exported_Types
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* @{
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*/
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/**
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* @brief Touch Screen Information structure
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*/
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typedef struct
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{
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uint16_t TouchDetected;
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uint16_t X;
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uint16_t Y;
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uint16_t Z;
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}TS_STATE;
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/**
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* @brief IO_Expander Error codes
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*/
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typedef enum
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{
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IOE_OK = 0,
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IOE_FAILURE,
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IOE_TIMEOUT,
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PARAM_ERROR,
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IOE1_NOT_OPERATIONAL
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}IOE_Status_TypDef;
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/**
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* @brief IO bit values
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*/
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typedef enum
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{
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BitReset = 0,
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BitSet = 1
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}IOE_BitValue_TypeDef;
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/**
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* @brief IOE DMA Direction
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*/
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typedef enum
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{
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IOE_DMA_TX = 0,
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IOE_DMA_RX = 1
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}IOE_DMADirection_TypeDef;
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/**
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* @}
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*/
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/** @defgroup STM32100E_EVAL_IOE_Exported_Constants
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* @{
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*/
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/**
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* @brief Uncomment the line below to enable verfying each written byte in write
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* operation. The I2C_WriteDeviceRegister() function will then compare the
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* written and read data and return error status if a mismatch occurs.
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*/
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/* #define VERIFY_WRITTENDATA */
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/**
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* @brief Uncomment the line below if you want to use user defined Delay function
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* (for precise timing), otherwise default _delay_ function defined within
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* this driver is used (less precise timing).
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*/
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/* #define USE_Delay */
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/**
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* @brief Uncomment the line below if you want to use user timeout callback.
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* Function prototypes is declared in this file but function body may be
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* implemented into user application.
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*/
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/* #define USE_TIMEOUT_USER_CALLBACK */
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#ifdef USE_Delay
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#include "main.h"
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#define _delay_ Delay /* !< User can provide more timing precise _delay_ function
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(with 10ms time base), using SysTick for example */
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#else
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#define _delay_ delay /* !< Default _delay_ function with less precise timing */
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#endif
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/*------------------------------------------------------------------------------
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Hardware Configuration
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------------------------------------------------------------------------------*/
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/**
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* @brief I2C port definitions
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*/
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#define IOE_I2C I2C2
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#define IOE_I2C_CLK RCC_APB1Periph_I2C2
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#define IOE_I2C_SCL_PIN GPIO_Pin_10
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#define IOE_I2C_SCL_GPIO_PORT GPIOB
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#define IOE_I2C_SCL_GPIO_CLK RCC_APB2Periph_GPIOB
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#define IOE_I2C_SDA_PIN GPIO_Pin_11
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#define IOE_I2C_SDA_GPIO_PORT GPIOB
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#define IOE_I2C_SDA_GPIO_CLK RCC_APB2Periph_GPIOB
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#define IOE_I2C_DR ((uint32_t)0x40005810)
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#define IOE_I2C_SPEED 300000
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/**
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* @brief IOE DMA definitions
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*/
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#define IOE_DMA DMA1
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#define IOE_DMA_CLK RCC_AHBPeriph_DMA1
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#define IOE_DMA_TX_CHANNEL DMA1_Channel4
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#define IOE_DMA_RX_CHANNEL DMA1_Channel5
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#define IOE_DMA_TX_TCFLAG DMA1_FLAG_TC4
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#define IOE_DMA_RX_TCFLAG DMA1_FLAG_TC5
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/**
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* @brief IO Expander Interrupt line on EXTI
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*/
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#define IOE_IT_PIN GPIO_Pin_12
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#define IOE_IT_GPIO_PORT GPIOA
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#define IOE_IT_GPIO_CLK RCC_APB2Periph_GPIOA
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#define IOE_IT_EXTI_PORT_SOURCE GPIO_PortSourceGPIOA
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#define IOE_IT_EXTI_PIN_SOURCE GPIO_PinSource12
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#define IOE_IT_EXTI_LINE EXTI_Line12
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#define IOE_IT_EXTI_IRQn EXTI15_10_IRQn
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/**
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* @brief The 7 bits IO Expanders adresses and chip IDs
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*/
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#define IOE_1_ADDR 0x82
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#define STMPE811_ID 0x0811
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/*------------------------------------------------------------------------------
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Functional and Interrupt Management
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------------------------------------------------------------------------------*/
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/**
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* @brief IO Expander Functionalities definitions
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*/
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#define IOE_ADC_FCT 0x01
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#define IOE_TS_FCT 0x02
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#define IOE_IO_FCT 0x04
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#define IOE_TEMPSENS_FCT 0x08
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/**
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* @brief Interrupt source configuration definitons
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*/
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#define IOE_ITSRC_TSC 0x01 /* IO_Exapnder 1 */
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#define IOE_ITSRC_TEMPSENS 0x08 /* IO_Exapnder 1 */
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/**
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* @brief Glaobal Interrupts definitions
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*/
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#define IOE_GIT_GPIO 0x80
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#define IOE_GIT_ADC 0x40
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#define IOE_GIT_TEMP 0x20
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#define IOE_GIT_FE 0x10
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#define IOE_GIT_FF 0x08
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#define IOE_GIT_FOV 0x04
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#define IOE_GIT_FTH 0x02
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#define IOE_GIT_TOUCH 0x01
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/**
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* @brief IO Exapanders Pins definition
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*/
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#define IO1_IN_ALL_PINS (uint32_t)(IO_Pin_ALL)
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#define IO1_OUT_ALL_PINS (uint32_t)(IO_Pin_ALL)
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/*------------------------------------------------------------------------------
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STMPE811 device register definition
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------------------------------------------------------------------------------*/
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/**
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* @brief Identification registers
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*/
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#define IOE_REG_CHP_ID 0x00
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#define IOE_REG_ID_VER 0x02
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/**
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* @brief General Control Registers
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*/
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#define IOE_REG_SYS_CTRL1 0x03
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#define IOE_REG_SYS_CTRL2 0x04
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#define IOE_REG_SPI_CFG 0x08
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/**
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* @brief Interrupt Control register
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*/
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#define IOE_REG_INT_CTRL 0x09
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#define IOE_REG_INT_EN 0x0A
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#define IOE_REG_INT_STA 0x0B
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#define IOE_REG_GPIO_INT_EN 0x0C
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#define IOE_REG_GPIO_INT_STA 0x0D
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/**
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* @brief GPIO Registers
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*/
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#define IOE_REG_GPIO_SET_PIN 0x10
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#define IOE_REG_GPIO_CLR_PIN 0x11
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#define IOE_REG_GPIO_MP_STA 0x12
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#define IOE_REG_GPIO_DIR 0x13
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#define IOE_REG_GPIO_ED 0x14
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#define IOE_REG_GPIO_RE 0x15
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#define IOE_REG_GPIO_FE 0x16
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#define IOE_REG_GPIO_AF 0x17
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/**
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* @brief ADC Registers
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*/
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#define IOE_REG_ADC_INT_EN 0x0E
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#define IOE_REG_ADC_INT_STA 0x0F
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#define IOE_REG_ADC_CTRL1 0x20
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#define IOE_REG_ADC_CTRL2 0x21
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#define IOE_REG_ADC_CAPT 0x22
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#define IOE_REG_ADC_DATA_CH0 0x30 /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH1 0x32 /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH2 0x34 /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH3 0x36 /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH4 0x38 /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH5 0x3A /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH6 0x3B /* 16-Bit register */
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#define IOE_REG_ADC_DATA_CH7 0x3C /* 16-Bit register */
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/**
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* @brief TouchScreen Registers
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*/
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#define IOE_REG_TSC_CTRL 0x40
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#define IOE_REG_TSC_CFG 0x41
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#define IOE_REG_WDM_TR_X 0x42
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#define IOE_REG_WDM_TR_Y 0x44
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#define IOE_REG_WDM_BL_X 0x46
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#define IOE_REG_WDM_BL_Y 0x48
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#define IOE_REG_FIFO_TH 0x4A
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#define IOE_REG_FIFO_STA 0x4B
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#define IOE_REG_FIFO_SIZE 0x4C
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#define IOE_REG_TSC_DATA_X 0x4D
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#define IOE_REG_TSC_DATA_Y 0x4F
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#define IOE_REG_TSC_DATA_Z 0x51
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#define IOE_REG_TSC_DATA_XYZ 0x52
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#define IOE_REG_TSC_FRACT_XYZ 0x56
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#define IOE_REG_TSC_DATA 0x57
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#define IOE_REG_TSC_I_DRIVE 0x58
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#define IOE_REG_TSC_SHIELD 0x59
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/**
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* @brief Temperature Sensor registers
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*/
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#define IOE_REG_TEMP_CTRL 0x60
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#define IOE_REG_TEMP_DATA 0x61
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#define IOE_REG_TEMP_TH 0x62
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/*------------------------------------------------------------------------------
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Functions parameters defines
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------------------------------------------------------------------------------*/
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/**
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* @brief Touch Screen Pins definition
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*/
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#define TOUCH_YD IO_Pin_1 /* IO_Exapnader_1 */ /* Input */
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#define TOUCH_XD IO_Pin_2 /* IO_Exapnader_1 */ /* Input */
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#define TOUCH_YU IO_Pin_3 /* IO_Exapnader_1 */ /* Input */
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#define TOUCH_XU IO_Pin_4 /* IO_Exapnader_1 */ /* Input */
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#define TOUCH_IO_ALL (uint32_t)(IO_Pin_1 | IO_Pin_2 | IO_Pin_3 | IO_Pin_4)
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/**
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* @brief IO Pins
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*/
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#define IO_Pin_0 0x01
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#define IO_Pin_1 0x02
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#define IO_Pin_2 0x04
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#define IO_Pin_3 0x08
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#define IO_Pin_4 0x10
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#define IO_Pin_5 0x20
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#define IO_Pin_6 0x40
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#define IO_Pin_7 0x80
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#define IO_Pin_ALL 0xFF
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/**
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* @brief IO Pin directions
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*/
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#define Direction_IN 0x00
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#define Direction_OUT 0x01
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/**
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* @brief Interrupt Line output parameters
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*/
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#define Polarity_Low 0x00
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#define Polarity_High 0x04
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#define Type_Level 0x00
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#define Type_Edge 0x02
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/**
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* @brief IO Interrupts
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*/
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#define IO_IT_0 0x01
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#define IO_IT_1 0x02
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#define IO_IT_2 0x04
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#define IO_IT_3 0x08
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#define IO_IT_4 0x10
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#define IO_IT_5 0x20
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#define IO_IT_6 0x40
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#define IO_IT_7 0x80
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#define ALL_IT 0xFF
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#define IOE_TS_IT (uint8_t)(IO_IT_0 | IO_IT_1 | IO_IT_2)
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/**
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* @brief Edge detection value
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*/
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#define EDGE_FALLING 0x01
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#define EDGE_RISING 0x02
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/**
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* @brief Global interrupt Enable bit
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*/
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#define IOE_GIT_EN 0x01
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/**
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* @}
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*/
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/** @defgroup STM32100E_EVAL_IOE_Exported_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup STM32100E_EVAL_IOE_Exported_Functions
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* @{
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*/
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/**
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* @brief Configuration and initialization functions
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*/
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uint8_t IOE_Config(void);
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uint8_t IOE_ITConfig(uint32_t IOE_ITSRC_Source);
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/**
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* @brief Timeout user callback function. This function is called when a timeout
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* condition occurs during communication with IO Expander. Only protoype
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* of this function is decalred in IO Expander driver. Its implementation
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* may be done into user application. This function may typically stop
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* current operations and reset the I2C peripheral and IO Expander.
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* To enable this function use uncomment the define USE_TIMEOUT_USER_CALLBACK
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* at the top of this file.
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*/
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#ifdef USE_TIMEOUT_USER_CALLBACK
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uint8_t IOE_TimeoutUserCallback(void);
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#else
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#define IOE_TimeoutUserCallback() IOE_TIMEOUT
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#endif /* USE_TIMEOUT_USER_CALLBACK */
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/**
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* @brief IO pins control functions
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*/
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uint8_t IOE_WriteIOPin(uint8_t IO_Pin, IOE_BitValue_TypeDef BitVal);
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uint8_t IOE_ReadIOPin(uint32_t IO_Pin);
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/**
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* @brief Touch Screen controller functions
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*/
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TS_STATE* IOE_TS_GetState(void);
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/**
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* @brief Interrupts Mangement functions
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*/
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FlagStatus IOE_GetGITStatus(uint8_t DeviceAddr, uint8_t Global_IT);
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uint8_t IOE_ClearGITPending(uint8_t DeviceAddr, uint8_t IO_IT);
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FlagStatus IOE_GetIOITStatus(uint8_t DeviceAddr, uint8_t IO_IT);
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uint8_t IOE_ClearIOITPending(uint8_t DeviceAddr, uint8_t IO_IT);
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/**
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* @brief Temperature Sensor functions
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*/
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uint32_t IOE_TempSens_GetData(void);
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/**
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* @brief IO-Expander Control functions
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*/
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uint8_t IOE_IsOperational(uint8_t DeviceAddr);
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uint8_t IOE_Reset(uint8_t DeviceAddr);
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uint16_t IOE_ReadID(uint8_t DeviceAddr);
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uint8_t IOE_FnctCmd(uint8_t DeviceAddr, uint8_t Fct, FunctionalState NewState);
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uint8_t IOE_IOPinConfig(uint8_t DeviceAddr, uint8_t IO_Pin, uint8_t Direction);
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uint8_t IOE_GITCmd(uint8_t DeviceAddr, FunctionalState NewState);
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uint8_t IOE_GITConfig(uint8_t DeviceAddr, uint8_t Global_IT, FunctionalState NewState);
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uint8_t IOE_IOITConfig(uint8_t DeviceAddr, uint8_t IO_IT, FunctionalState NewState);
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/**
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* @brief Low Layer functions
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*/
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uint8_t IOE_TS_Config(void);
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uint8_t IOE_TempSens_Config(void);
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uint8_t IOE_IOAFConfig(uint8_t DeviceAddr, uint8_t IO_Pin, FunctionalState NewState);
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uint8_t IOE_IOEdgeConfig(uint8_t DeviceAddr, uint8_t IO_Pin, uint8_t Edge);
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uint8_t IOE_ITOutConfig(uint8_t Polarity, uint8_t Type);
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uint8_t I2C_WriteDeviceRegister(uint8_t DeviceAddr, uint8_t RegisterAddr, uint8_t RegisterValue);
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uint8_t I2C_ReadDeviceRegister(uint8_t DeviceAddr, uint8_t RegisterAddr);
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uint16_t I2C_ReadDataBuffer(uint8_t DeviceAddr, uint32_t RegisterAddr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __STM32100E_EVAL_IOE_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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