STM32L152D_EVAL BSP User Manual: stm32l152d_eval.c Source File

STM32L152D_EVAL BSP

stm32l152d_eval.c
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00001 /**
00002   ******************************************************************************
00003   * @file    stm32l152d_eval.c
00004   * @author  MCD Application Team
00005   * @brief   This file provides a set of firmware functions to manage Leds, 
00006   *          push-button and COM ports
00007   ******************************************************************************
00008   * @attention
00009   *
00010   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
00011   *
00012   * Redistribution and use in source and binary forms, with or without modification,
00013   * are permitted provided that the following conditions are met:
00014   *   1. Redistributions of source code must retain the above copyright notice,
00015   *      this list of conditions and the following disclaimer.
00016   *   2. Redistributions in binary form must reproduce the above copyright notice,
00017   *      this list of conditions and the following disclaimer in the documentation
00018   *      and/or other materials provided with the distribution.
00019   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00020   *      may be used to endorse or promote products derived from this software
00021   *      without specific prior written permission.
00022   *
00023   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00026   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00027   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00028   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00029   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00032   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033   *
00034   ******************************************************************************
00035   */
00036   
00037 /* Includes ------------------------------------------------------------------*/
00038 #include "stm32l152d_eval.h"
00039 
00040 /** @addtogroup BSP
00041   * @{
00042   */ 
00043 
00044 /** @defgroup STM32L152D_EVAL STM32L152D-EVAL
00045   * @{
00046   */ 
00047 
00048 /** @defgroup STM32L152D_EVAL_Common STM32L152D-EVAL Common
00049   * @{
00050   */ 
00051 
00052 /** @defgroup STM32L152D_EVAL_Private_TypesDefinitions Private Types Definitions
00053   * @{
00054   */ 
00055 
00056 typedef struct
00057 {
00058   __IO uint16_t LCD_REG_R; /* Read Register */
00059   __IO uint16_t LCD_RAM_R; /* Read RAM */
00060   __IO uint16_t LCD_REG_W; /* Write Register */
00061   __IO uint16_t LCD_RAM_W; /* Write RAM */
00062 } TFT_LCD_TypeDef;
00063 
00064 /**
00065   * @}
00066   */ 
00067 
00068 /** @defgroup STM32L152D_EVAL_Private_Defines Private Defines
00069   * @{
00070   */ 
00071 
00072 /* LINK EEPROM SPI */
00073 #define EEPROM_CMD_WREN         0x06  /*!< Write enable instruction */
00074 #define EEPROM_CMD_WRDI         0x04  /*!< Write disable instruction */
00075 #define EEPROM_CMD_RDSR         0x05  /*!< Read Status Register instruction  */
00076 #define EEPROM_CMD_WRSR         0x01  /*!< Write Status Register instruction */
00077 #define EEPROM_CMD_WRITE        0x02  /*!< Write to Memory instruction */
00078 #define EEPROM_CMD_READ         0x03  /*!< Read from Memory instruction */
00079 
00080 #define EEPROM_WIP_FLAG         0x01  /*!< Write In Progress (WIP) flag */
00081 
00082 /**
00083  * @brief STM32L152D EVAL BSP Driver version number
00084    */
00085 #define __STM32L152D_EVAL_BSP_VERSION_MAIN   (0x02) /*!< [31:24] main version */
00086 #define __STM32L152D_EVAL_BSP_VERSION_SUB1   (0x00) /*!< [23:16] sub1 version */
00087 #define __STM32L152D_EVAL_BSP_VERSION_SUB2   (0x07) /*!< [15:8]  sub2 version */
00088 #define __STM32L152D_EVAL_BSP_VERSION_RC     (0x00) /*!< [7:0]  release candidate */
00089 #define __STM32L152D_EVAL_BSP_VERSION            ((__STM32L152D_EVAL_BSP_VERSION_MAIN << 24)\
00090                                                 |(__STM32L152D_EVAL_BSP_VERSION_SUB1 << 16)\
00091                                                 |(__STM32L152D_EVAL_BSP_VERSION_SUB2 << 8 )\
00092                                                 |(__STM32L152D_EVAL_BSP_VERSION_RC))
00093 
00094 
00095 /* Note: LCD /CS is CE4 - Bank 4 of NOR/SRAM Bank 1~4 */
00096 #define TFT_LCD_BASE           ((uint32_t)(0x60000000 | 0x0C000000))
00097 #define TFT_LCD                ((TFT_LCD_TypeDef *) TFT_LCD_BASE)
00098 
00099 /**
00100   * @}
00101   */
00102 
00103 
00104 /** @defgroup STM32L152D_EVAL_Private_Variables Private Variables
00105   * @{
00106   */ 
00107 /**
00108  * @brief LED variables
00109  */
00110 GPIO_TypeDef* LED_PORT[LEDn] = {LED1_GPIO_PORT, 
00111                                 LED2_GPIO_PORT, 
00112                                 LED3_GPIO_PORT,
00113                                 LED4_GPIO_PORT};
00114 
00115 const uint16_t LED_PIN[LEDn] = {LED1_PIN, 
00116                                 LED2_PIN, 
00117                                 LED3_PIN,
00118                                 LED4_PIN};
00119 
00120 /**
00121  * @brief BUTTON variables
00122  */
00123 GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {TAMPER_BUTTON_GPIO_PORT, 
00124                                       SEL_JOY_GPIO_PORT,
00125                                       LEFT_JOY_GPIO_PORT, 
00126                                       RIGHT_JOY_GPIO_PORT,
00127                                       DOWN_JOY_GPIO_PORT, 
00128                                       UP_JOY_GPIO_PORT}; 
00129 
00130 const uint16_t BUTTON_PIN[BUTTONn] = {TAMPER_BUTTON_PIN, 
00131                                       SEL_JOY_PIN,
00132                                       LEFT_JOY_PIN, 
00133                                       RIGHT_JOY_PIN,
00134                                       DOWN_JOY_PIN, 
00135                                       UP_JOY_PIN}; 
00136 
00137 const uint8_t BUTTON_IRQn[BUTTONn] = {TAMPER_BUTTON_EXTI_IRQn,
00138                                       SEL_JOY_EXTI_IRQn,
00139                                       LEFT_JOY_EXTI_IRQn,
00140                                       RIGHT_JOY_EXTI_IRQn,
00141                                       DOWN_JOY_EXTI_IRQn,
00142                                       UP_JOY_EXTI_IRQn};
00143 
00144 /**
00145  * @brief JOYSTICK variables
00146  */
00147 GPIO_TypeDef* JOY_PORT[JOYn] = {SEL_JOY_GPIO_PORT,
00148                                 LEFT_JOY_GPIO_PORT, 
00149                                 RIGHT_JOY_GPIO_PORT, 
00150                                 DOWN_JOY_GPIO_PORT, 
00151                                 UP_JOY_GPIO_PORT}; 
00152 
00153 const uint16_t JOY_PIN[JOYn] = {SEL_JOY_PIN, 
00154                                 LEFT_JOY_PIN, 
00155                                 RIGHT_JOY_PIN, 
00156                                 DOWN_JOY_PIN, 
00157                                 UP_JOY_PIN}; 
00158 
00159 const uint8_t JOY_IRQn[JOYn] = {SEL_JOY_EXTI_IRQn,
00160                                 LEFT_JOY_EXTI_IRQn, 
00161                                 RIGHT_JOY_EXTI_IRQn, 
00162                                 DOWN_JOY_EXTI_IRQn, 
00163                                 UP_JOY_EXTI_IRQn};
00164 
00165 /**
00166  * @brief COM variables
00167  */
00168 USART_TypeDef* COM_USART[COMn]   = {EVAL_COM1}; 
00169 
00170 GPIO_TypeDef* COM_TX_PORT[COMn]   = {EVAL_COM1_TX_GPIO_PORT};
00171  
00172 GPIO_TypeDef* COM_RX_PORT[COMn]   = {EVAL_COM1_RX_GPIO_PORT};
00173 
00174 const uint16_t COM_TX_PIN[COMn]   = {EVAL_COM1_TX_PIN};
00175 
00176 const uint16_t COM_RX_PIN[COMn]   = {EVAL_COM1_RX_PIN};
00177  
00178 const uint16_t COM_TX_AF[COMn]    = {EVAL_COM1_TX_AF};
00179 
00180 const uint16_t COM_RX_AF[COMn]    = {EVAL_COM1_RX_AF};
00181  
00182 /**
00183  * @brief BUS variables
00184  */
00185 #ifdef HAL_SPI_MODULE_ENABLED
00186 uint32_t SpixTimeout = EVAL_SPIx_TIMEOUT_MAX;        /*<! Value of Timeout when SPI communication fails */
00187 static SPI_HandleTypeDef heval_Spi;
00188 #endif /* HAL_SPI_MODULE_ENABLED */
00189 
00190 #ifdef HAL_I2C_MODULE_ENABLED
00191 uint32_t I2cxTimeout = EVAL_I2Cx_TIMEOUT_MAX;   /*<! Value of Timeout when I2C communication fails */
00192 I2C_HandleTypeDef heval_I2c;
00193 #endif /* HAL_I2C_MODULE_ENABLED */
00194 
00195 /**
00196   * @}
00197   */ 
00198 
00199 #if defined(HAL_SRAM_MODULE_ENABLED)
00200 
00201 static void     FSMC_BANK4_WriteData(uint16_t Data);
00202 static void     FSMC_BANK4_WriteReg(uint8_t Reg);
00203 static uint16_t FSMC_BANK4_ReadData(void);
00204 static void     FSMC_BANK4_Init(void);
00205 static void     FSMC_BANK4_MspInit(void);
00206 
00207 /* LCD IO functions */
00208 void            LCD_IO_Init(void);
00209 void            LCD_IO_WriteData(uint16_t RegValue);
00210 void            LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size);
00211 void            LCD_IO_WriteReg(uint8_t Reg);
00212 uint16_t        LCD_IO_ReadData(uint16_t Reg);
00213 void            LCD_Delay (uint32_t delay);
00214 #endif /*HAL_SRAM_MODULE_ENABLED*/
00215 
00216 /* I2Cx bus function */
00217 #ifdef HAL_I2C_MODULE_ENABLED
00218 /* Link function for I2C EEPROM peripheral */
00219 static void               I2Cx_Init(void);
00220 static void               I2Cx_WriteData(uint16_t Addr, uint8_t Reg, uint8_t Value);
00221 static HAL_StatusTypeDef  I2Cx_WriteBuffer(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
00222 static uint8_t            I2Cx_ReadData(uint16_t Addr, uint8_t Reg);
00223 static HAL_StatusTypeDef  I2Cx_ReadBuffer(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length);
00224 static HAL_StatusTypeDef  I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
00225 static void               I2Cx_Error (void);
00226 static void               I2Cx_MspInit(I2C_HandleTypeDef *hi2c);  
00227 
00228 /* Link function for EEPROM peripheral over I2C */
00229 void                      EEPROM_I2C_IO_Init(void);
00230 HAL_StatusTypeDef         EEPROM_I2C_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
00231 HAL_StatusTypeDef         EEPROM_I2C_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
00232 HAL_StatusTypeDef         EEPROM_I2C_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
00233 
00234 /* Link functions for Temperature Sensor peripheral */
00235 void                      TSENSOR_IO_Init(void);
00236 void                      TSENSOR_IO_Write(uint16_t DevAddress, uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length);
00237 void                      TSENSOR_IO_Read(uint16_t DevAddress, uint8_t* pBuffer, uint8_t ReadAddr, uint16_t Length);
00238 uint16_t                  TSENSOR_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
00239 
00240 /* Link function for Audio peripheral */
00241 void                      AUDIO_IO_Init(void);
00242 void                              AUDIO_IO_DeInit(void);
00243 void                      AUDIO_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
00244 uint8_t                   AUDIO_IO_Read(uint8_t Addr, uint8_t Reg);
00245 
00246 #endif /* HAL_I2C_MODULE_ENABLED */
00247 
00248 /* SPIx bus function */
00249 #ifdef HAL_SPI_MODULE_ENABLED
00250 static void               SPIx_Init(void);
00251 static void               SPIx_Write(uint8_t Value);
00252 static uint32_t           SPIx_Read(void);
00253 static void               SPIx_Error (void);
00254 static void               SPIx_MspInit(SPI_HandleTypeDef *hspi);
00255 
00256 /* Link function for EEPROM peripheral over SPI */
00257 void                      EEPROM_SPI_IO_Init(void);
00258 void                      EEPROM_SPI_IO_WriteByte(uint8_t Data);
00259 uint8_t                   EEPROM_SPI_IO_ReadByte(void);
00260 HAL_StatusTypeDef         EEPROM_SPI_IO_WriteData(uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
00261 HAL_StatusTypeDef         EEPROM_SPI_IO_ReadData(uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
00262 HAL_StatusTypeDef         EEPROM_SPI_IO_WaitEepromStandbyState(void);
00263 
00264 #endif /* HAL_SPI_MODULE_ENABLED */
00265 
00266 
00267 /** @defgroup STM32L152D_EVAL_Exported_Functions Exported Functions
00268   * @{
00269   */ 
00270 
00271 /**
00272   * @brief  This method returns the STM32L152D EVAL BSP Driver revision
00273   * @retval version : 0xXYZR (8bits for each decimal, R for RC)
00274   */
00275 uint32_t BSP_GetVersion(void)
00276 {
00277   return __STM32L152D_EVAL_BSP_VERSION;
00278 }
00279 
00280 /**
00281   * @brief  Configures LED GPIO.
00282   * @param  Led: Specifies the Led to be configured. 
00283   *   This parameter can be one of following parameters:
00284   *     @arg LED1
00285   *     @arg LED2
00286   *     @arg LED3
00287   *     @arg LED4
00288   * @retval None
00289   */
00290 void BSP_LED_Init(Led_TypeDef Led)
00291 {
00292   GPIO_InitTypeDef  gpioinitstruct = {0};
00293   
00294   /* Enable the GPIO_LED clock */
00295   LEDx_GPIO_CLK_ENABLE(Led);
00296 
00297   /* Configure the GPIO_LED pin */
00298   gpioinitstruct.Pin    = LED_PIN[Led];
00299   gpioinitstruct.Mode   = GPIO_MODE_OUTPUT_PP;
00300   gpioinitstruct.Pull   = GPIO_NOPULL;
00301   gpioinitstruct.Speed  = GPIO_SPEED_FREQ_VERY_HIGH;
00302 
00303   HAL_GPIO_Init(LED_PORT[Led], &gpioinitstruct);
00304 
00305   HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
00306 }
00307 
00308 /**
00309   * @brief  Turns selected LED On.
00310   * @param  Led: Specifies the Led to be set on. 
00311   *   This parameter can be one of following parameters:
00312   *     @arg LED1
00313   *     @arg LED2
00314   *     @arg LED3
00315   *     @arg LED4
00316   * @retval None
00317   */
00318 void BSP_LED_On(Led_TypeDef Led)
00319 {
00320   HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_RESET);
00321 }
00322 
00323 /**
00324   * @brief  Turns selected LED Off.
00325   * @param  Led: Specifies the Led to be set off. 
00326   *   This parameter can be one of following parameters:
00327   *     @arg LED1
00328   *     @arg LED2
00329   *     @arg LED3
00330   *     @arg LED4
00331   * @retval None
00332   */
00333 void BSP_LED_Off(Led_TypeDef Led)
00334 {
00335   HAL_GPIO_WritePin(LED_PORT[Led], LED_PIN[Led], GPIO_PIN_SET);
00336 }
00337 
00338 /**
00339   * @brief  Toggles the selected LED.
00340   * @param  Led: Specifies the Led to be toggled. 
00341   *   This parameter can be one of following parameters:
00342   *     @arg LED1
00343   *     @arg LED2
00344   *     @arg LED3
00345   *     @arg LED4
00346   * @retval None
00347   */
00348 void BSP_LED_Toggle(Led_TypeDef Led)
00349 {
00350   HAL_GPIO_TogglePin(LED_PORT[Led], LED_PIN[Led]);
00351 }
00352 
00353 /**
00354   * @brief  Configures push button GPIO and EXTI Line.
00355   * @param  Button: Button to be configured.
00356   *   This parameter can be one of the following values: 
00357   *     @arg BUTTON_TAMPER: Key/Tamper Push Button 
00358   *     @arg BUTTON_SEL   : Sel Push Button on Joystick
00359   *     @arg BUTTON_LEFT  : Left Push Button on Joystick
00360   *     @arg BUTTON_RIGHT : Right Push Button on Joystick
00361   *     @arg BUTTON_DOWN  : Down Push Button on Joystick
00362   *     @arg BUTTON_UP    : Up Push Button on Joystick
00363   * @param  Button_Mode: Button mode requested.
00364   *   This parameter can be one of the following values:   
00365   *     @arg BUTTON_MODE_GPIO: Button will be used as simple IO 
00366   *     @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line
00367   *                            with interrupt generation capability
00368   * @retval None
00369   */
00370 void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
00371 {
00372   GPIO_InitTypeDef gpioinitstruct = {0};
00373 
00374   /* Enable the corresponding Push Button clock */
00375   BUTTONx_GPIO_CLK_ENABLE(Button);
00376   
00377   /* Configure Push Button pin as input */
00378   gpioinitstruct.Pin    = BUTTON_PIN[Button];
00379   gpioinitstruct.Pull   = GPIO_NOPULL;
00380   gpioinitstruct.Speed  = GPIO_SPEED_FREQ_VERY_HIGH;
00381     
00382   if (Button_Mode == BUTTON_MODE_GPIO)
00383   {
00384     /* Configure Button pin as input */
00385     gpioinitstruct.Mode = GPIO_MODE_INPUT;
00386     HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
00387   }
00388   else if (Button_Mode == BUTTON_MODE_EXTI)
00389   {
00390     if(Button != BUTTON_TAMPER)
00391     {
00392       /* Configure Joystick Button pin as input with External interrupt, falling edge */
00393       gpioinitstruct.Mode = GPIO_MODE_IT_FALLING;
00394     }
00395     else
00396     { 
00397       /* Configure Key Push Button pin as input with External interrupt, rising edge */
00398       gpioinitstruct.Mode = GPIO_MODE_IT_RISING;
00399     }
00400     HAL_GPIO_Init(BUTTON_PORT[Button], &gpioinitstruct);
00401 
00402     /* Enable and set Button EXTI Interrupt to the lowest priority */
00403     HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0);
00404     HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
00405   }
00406 }
00407 
00408 /**
00409   * @brief  Returns the selected button state.
00410   * @param  Button: Button to be checked.
00411   *   This parameter can be one of the following values:
00412   *     @arg BUTTON_TAMPER: Key/Tamper Push Button 
00413   * @retval Button state
00414   */
00415 uint32_t BSP_PB_GetState(Button_TypeDef Button)
00416 {
00417   return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
00418 }
00419 
00420 /**
00421   * @brief  Configures all button of the joystick in GPIO or EXTI modes.
00422   * @param  Joy_Mode: Joystick mode.
00423   *    This parameter can be one of the following values:
00424   *     @arg  JOY_MODE_GPIO: Joystick pins will be used as simple IOs
00425   *     @arg  JOY_MODE_EXTI: Joystick pins will be connected to EXTI line 
00426   *                                 with interrupt generation capability  
00427   * @retval HAL_OK: if all initializations are OK. Other value if error.
00428   */
00429 uint8_t BSP_JOY_Init(JOYMode_TypeDef Joy_Mode)
00430 {
00431   JOYState_TypeDef joykey = JOY_NONE;
00432   GPIO_InitTypeDef gpioinitstruct = {0};
00433 
00434   /* Initialized the Joystick. */
00435   for(joykey = JOY_SEL; joykey < (JOY_SEL+JOYn) ; joykey++)
00436   {
00437     /* Enable the JOY clock */
00438     JOYx_GPIO_CLK_ENABLE(joykey);
00439 
00440     gpioinitstruct.Pin    = JOY_PIN[joykey];
00441     gpioinitstruct.Pull   = GPIO_NOPULL;
00442     gpioinitstruct.Speed  = GPIO_SPEED_FREQ_VERY_HIGH;
00443 
00444     if (Joy_Mode == JOY_MODE_GPIO)
00445     {
00446       /* Configure Joy pin as input */
00447       gpioinitstruct.Mode = GPIO_MODE_INPUT;
00448       HAL_GPIO_Init(JOY_PORT[joykey], &gpioinitstruct);
00449     }
00450     
00451     if (Joy_Mode == JOY_MODE_EXTI)
00452     {
00453       /* Configure Joy pin as input with External interrupt */
00454       gpioinitstruct.Mode = GPIO_MODE_IT_FALLING;
00455       HAL_GPIO_Init(JOY_PORT[joykey], &gpioinitstruct);
00456 
00457       /* Enable and set Joy EXTI Interrupt to the lowest priority */
00458       HAL_NVIC_SetPriority((IRQn_Type)(JOY_IRQn[joykey]), 0x0F, 0);
00459       HAL_NVIC_EnableIRQ((IRQn_Type)(JOY_IRQn[joykey]));
00460     }
00461   }
00462   
00463   return HAL_OK;
00464 }
00465 
00466 /**
00467   * @brief  Returns the current joystick status.
00468   * @retval Code of the joystick key pressed
00469   *          This code can be one of the following values:
00470   *            @arg  JOY_SEL
00471   *            @arg  JOY_DOWN
00472   *            @arg  JOY_LEFT
00473   *            @arg  JOY_RIGHT
00474   *            @arg  JOY_UP
00475   *            @arg  JOY_NONE
00476   */
00477 JOYState_TypeDef BSP_JOY_GetState(void)
00478 {
00479   JOYState_TypeDef joykey = JOY_NONE;
00480   
00481   for(joykey = JOY_SEL; joykey < (JOY_SEL+JOYn) ; joykey++)
00482   {
00483     if(HAL_GPIO_ReadPin(JOY_PORT[joykey], JOY_PIN[joykey]) == GPIO_PIN_RESET)
00484     {
00485       /* Return Code Joystick key pressed */
00486       return joykey;
00487     }
00488   }
00489   
00490   /* No Joystick key pressed */
00491   return JOY_NONE;
00492 }
00493 
00494 #ifdef HAL_UART_MODULE_ENABLED
00495 /**
00496   * @brief  Configures COM port.
00497   * @param  COM: Specifies the COM port to be configured.
00498   *   This parameter can be one of following parameters:    
00499   *     @arg COM1
00500   * @param  huart: pointer to a UART_HandleTypeDef structure that
00501   *   contains the configuration information for the specified UART peripheral.
00502   * @retval None
00503   */
00504 void BSP_COM_Init(COM_TypeDef COM, UART_HandleTypeDef* huart)
00505 {
00506   GPIO_InitTypeDef gpioinitstruct = {0};
00507 
00508   /* Enable GPIO clock */
00509   COMx_TX_GPIO_CLK_ENABLE(COM);
00510   COMx_RX_GPIO_CLK_ENABLE(COM);
00511 
00512   /* Enable USART clock */
00513   COMx_CLK_ENABLE(COM);
00514 
00515   /* Configure USART Tx as alternate function push-pull */
00516   gpioinitstruct.Pin        = COM_TX_PIN[COM];
00517   gpioinitstruct.Mode       = GPIO_MODE_AF_PP;
00518   gpioinitstruct.Speed      = GPIO_SPEED_FREQ_VERY_HIGH;
00519   gpioinitstruct.Pull       = GPIO_PULLUP;
00520   gpioinitstruct.Alternate  = COM_TX_AF[COM];
00521   HAL_GPIO_Init(COM_TX_PORT[COM], &gpioinitstruct);
00522     
00523   /* Configure USART Rx as alternate function push-pull */
00524   gpioinitstruct.Pin        = COM_RX_PIN[COM];
00525   gpioinitstruct.Alternate  = COM_RX_AF[COM];
00526   HAL_GPIO_Init(COM_RX_PORT[COM], &gpioinitstruct);
00527   
00528   /* USART configuration */
00529   huart->Instance = COM_USART[COM];
00530   HAL_UART_Init(huart);
00531 }
00532 #endif /* HAL_UART_MODULE_ENABLED */
00533 
00534 /**
00535   * @}
00536   */ 
00537 
00538 /** @defgroup STM32L152D_EVAL_BusOperations_Functions Bus Operations Functions
00539   * @{
00540   */ 
00541 
00542 /*******************************************************************************
00543                             BUS OPERATIONS
00544 *******************************************************************************/
00545 
00546 /*************************** FSMC Routines ************************************/
00547 #if defined(HAL_SRAM_MODULE_ENABLED)
00548 /**
00549   * @brief  Initializes FSMC_BANK4 MSP.
00550   * @retval None
00551   */
00552 static void FSMC_BANK4_MspInit(void)
00553 {
00554   GPIO_InitTypeDef gpioinitstruct = {0};
00555   
00556   /* Enable FMC clock */
00557   __HAL_RCC_FSMC_CLK_ENABLE();
00558   
00559   /* Enable GPIOs clock */
00560   __HAL_RCC_GPIOD_CLK_ENABLE();
00561   __HAL_RCC_GPIOE_CLK_ENABLE();
00562   __HAL_RCC_GPIOF_CLK_ENABLE();
00563   __HAL_RCC_GPIOG_CLK_ENABLE();
00564   
00565   /* Common GPIO configuration */
00566   gpioinitstruct.Mode      = GPIO_MODE_AF_PP;
00567   gpioinitstruct.Pull      = GPIO_PULLUP;
00568   gpioinitstruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
00569   gpioinitstruct.Alternate = GPIO_AF12_FSMC;
00570   
00571   /* GPIOD configuration */
00572   /* Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14),
00573      PD.10(D15), PD.14(D0), PD.15(D1) as alternate function push pull */
00574   gpioinitstruct.Pin   = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5 |
00575                          GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_14 | 
00576                          GPIO_PIN_15;
00577    
00578   HAL_GPIO_Init(GPIOD, &gpioinitstruct);
00579 
00580   /* GPIOE configuration */  
00581   /* Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10),
00582      PE.14(D11), PE.15(D12) as alternate function push pull */
00583   gpioinitstruct.Pin   = GPIO_PIN_7 | GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | 
00584                          GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 | 
00585                          GPIO_PIN_15;
00586   HAL_GPIO_Init(GPIOE, &gpioinitstruct);
00587   
00588   /* GPIOF configuration */  
00589   /* Set PF.00(A0 (RS)) and PF.01 (A1 (Level Shifter Direction) as alternate 
00590      function push pull */
00591   gpioinitstruct.Pin   = GPIO_PIN_0 | GPIO_PIN_1;
00592   HAL_GPIO_Init(GPIOF, &gpioinitstruct);
00593   
00594   /* GPIOG configuration */  
00595   /* Set PG.12(NE4 (LCD/CS)) as alternate function push pull - NE4(LCD /CS) */
00596   gpioinitstruct.Pin   = GPIO_PIN_12;
00597   HAL_GPIO_Init(GPIOG, &gpioinitstruct);  
00598 }
00599 
00600 /**
00601   * @brief  Initializes LCD IO.
00602   * @retval None
00603   */
00604 static void FSMC_BANK4_Init(void) 
00605 {  
00606   SRAM_HandleTypeDef          hsram;
00607   FSMC_NORSRAM_TimingTypeDef  sramtiming = {0};
00608   
00609   /*** Configure the SRAM Bank 4 ***/  
00610   /* Configure IPs */
00611   hsram.Instance  = FSMC_NORSRAM_DEVICE;
00612   hsram.Extended  = FSMC_NORSRAM_EXTENDED_DEVICE;
00613 
00614   sramtiming.AddressSetupTime       = 4;
00615   sramtiming.AddressHoldTime        = 3;
00616   sramtiming.DataSetupTime          = 7;
00617   sramtiming.BusTurnAroundDuration  = 1;
00618   sramtiming.CLKDivision            = 2;
00619   sramtiming.DataLatency            = 2;
00620   sramtiming.AccessMode             = FSMC_ACCESS_MODE_A;
00621   
00622   hsram.Init.NSBank             = FSMC_NORSRAM_BANK4;
00623   hsram.Init.DataAddressMux     = FSMC_DATA_ADDRESS_MUX_DISABLE;
00624   hsram.Init.MemoryType         = FSMC_MEMORY_TYPE_SRAM;
00625   hsram.Init.MemoryDataWidth    = FSMC_NORSRAM_MEM_BUS_WIDTH_16;
00626   hsram.Init.BurstAccessMode    = FSMC_BURST_ACCESS_MODE_DISABLE;
00627   hsram.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
00628   hsram.Init.WrapMode           = FSMC_WRAP_MODE_DISABLE;
00629   hsram.Init.WaitSignalActive   = FSMC_WAIT_TIMING_BEFORE_WS;
00630   hsram.Init.WriteOperation     = FSMC_WRITE_OPERATION_ENABLE;
00631   hsram.Init.WaitSignal         = FSMC_WAIT_SIGNAL_DISABLE;
00632   hsram.Init.ExtendedMode       = FSMC_EXTENDED_MODE_DISABLE;
00633   hsram.Init.AsynchronousWait   = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
00634   hsram.Init.WriteBurst         = FSMC_WRITE_BURST_DISABLE;
00635 
00636   /* Initialize the SRAM controller */
00637   FSMC_BANK4_MspInit();
00638   HAL_SRAM_Init(&hsram, &sramtiming, &sramtiming);   
00639 }
00640 
00641 /**
00642   * @brief  Writes register value.
00643   * @param  Data: 
00644   * @retval None
00645   */
00646 static void FSMC_BANK4_WriteData(uint16_t Data) 
00647 {
00648   /* Write 16-bit Data */
00649   TFT_LCD->LCD_RAM_W = Data;
00650 }
00651 
00652 /**
00653   * @brief  Writes register address.
00654   * @param  Reg: 
00655   * @retval None
00656   */
00657 static void FSMC_BANK4_WriteReg(uint8_t Reg) 
00658 {
00659   /* Write 16-bit Index, then Write Reg */
00660   TFT_LCD->LCD_REG_W = Reg;
00661 }
00662 
00663 /**
00664   * @brief  Reads register value.
00665   * @retval Read value
00666   */
00667 static uint16_t FSMC_BANK4_ReadData(void) 
00668 {
00669   /* Read 16-bit Reg */
00670   return (TFT_LCD->LCD_RAM_R);
00671 }
00672 #endif /*HAL_SRAM_MODULE_ENABLED*/
00673 
00674 #ifdef HAL_I2C_MODULE_ENABLED
00675 /******************************* I2C Routines**********************************/
00676 
00677 /**
00678   * @brief Eval I2Cx MSP Initialization
00679   * @param hi2c: I2C handle
00680   * @retval None
00681   */
00682 static void I2Cx_MspInit(I2C_HandleTypeDef *hi2c)
00683 {
00684   GPIO_InitTypeDef  gpioinitstruct = {0};  
00685 
00686   if (hi2c->Instance == EVAL_I2Cx)
00687   {
00688     /*## Configure the GPIOs ################################################*/  
00689 
00690     /* Enable GPIO clock */
00691     EVAL_I2Cx_SDA_GPIO_CLK_ENABLE();
00692     EVAL_I2Cx_SCL_GPIO_CLK_ENABLE();
00693       
00694     /* Configure I2C Tx as alternate function  */
00695     gpioinitstruct.Pin       = EVAL_I2Cx_SCL_PIN;
00696     gpioinitstruct.Mode      = GPIO_MODE_AF_OD;
00697     gpioinitstruct.Pull      = GPIO_NOPULL;
00698     gpioinitstruct.Speed     = GPIO_SPEED_FREQ_VERY_HIGH;
00699     gpioinitstruct.Alternate = EVAL_I2Cx_SCL_SDA_AF;
00700     HAL_GPIO_Init(EVAL_I2Cx_SCL_GPIO_PORT, &gpioinitstruct);
00701       
00702     /* Configure I2C Rx as alternate function  */
00703     gpioinitstruct.Pin = EVAL_I2Cx_SDA_PIN;
00704     HAL_GPIO_Init(EVAL_I2Cx_SDA_GPIO_PORT, &gpioinitstruct);
00705     
00706     
00707     /*## Configure the Eval I2Cx peripheral #######################################*/ 
00708     /* Enable Eval_I2Cx clock */
00709     EVAL_I2Cx_CLK_ENABLE();
00710     
00711     /* Force the I2C Periheral Clock Reset */  
00712     EVAL_I2Cx_FORCE_RESET();
00713       
00714     /* Release the I2C Periheral Clock Reset */  
00715     EVAL_I2Cx_RELEASE_RESET(); 
00716     
00717     /* Enable and set Eval I2Cx Interrupt to the highest priority */
00718     HAL_NVIC_SetPriority(EVAL_I2Cx_EV_IRQn, 5, 0);
00719     HAL_NVIC_EnableIRQ(EVAL_I2Cx_EV_IRQn);
00720     
00721     /* Enable and set Eval I2Cx Interrupt to the highest priority */
00722     HAL_NVIC_SetPriority(EVAL_I2Cx_ER_IRQn, 5, 0);
00723     HAL_NVIC_EnableIRQ(EVAL_I2Cx_ER_IRQn);  
00724   }
00725 }
00726 
00727 /**
00728   * @brief Eval I2Cx Bus initialization
00729   * @retval None
00730   */
00731 static void I2Cx_Init(void)
00732 {
00733   if(HAL_I2C_GetState(&heval_I2c) == HAL_I2C_STATE_RESET)
00734   {
00735     heval_I2c.Instance              = EVAL_I2Cx;
00736     heval_I2c.Init.ClockSpeed       = EVAL_I2C_SPEED;
00737     heval_I2c.Init.DutyCycle        = I2C_DUTYCYCLE_2;
00738     heval_I2c.Init.OwnAddress1      = 0;
00739     heval_I2c.Init.AddressingMode   = I2C_ADDRESSINGMODE_7BIT;
00740     heval_I2c.Init.DualAddressMode  = I2C_DUALADDRESS_DISABLE;
00741     heval_I2c.Init.OwnAddress2      = 0;
00742     heval_I2c.Init.GeneralCallMode  = I2C_GENERALCALL_DISABLE;
00743     heval_I2c.Init.NoStretchMode    = I2C_NOSTRETCH_DISABLE;  
00744 
00745     /* Init the I2C */
00746     I2Cx_MspInit(&heval_I2c);
00747     HAL_I2C_Init(&heval_I2c);
00748   }
00749 }
00750 
00751 /**
00752   * @brief  Write a value in a register of the device through BUS.
00753   * @param  Addr: Device address on BUS Bus.  
00754   * @param  Reg: The target register address to write
00755   * @param  Value: The target register value to be written 
00756   * @retval  None
00757   */
00758 static void I2Cx_WriteData(uint16_t Addr, uint8_t Reg, uint8_t Value)
00759 {
00760   HAL_StatusTypeDef status = HAL_OK;
00761   
00762   status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2cxTimeout);
00763   
00764   /* Check the communication status */
00765   if(status != HAL_OK)
00766   {
00767     /* Execute user timeout callback */
00768     I2Cx_Error();
00769   }
00770 }
00771 
00772 /**
00773   * @brief  Write a value in a register of the device through BUS.
00774   * @param  Addr: Device address on BUS Bus.  
00775   * @param  Reg: The target register address to write
00776   * @param  RegSize: The target register size (can be 8BIT or 16BIT)
00777   * @param  pBuffer: The target register value to be written 
00778   * @param  Length: buffer size to be written
00779   * @retval None
00780   */
00781 static HAL_StatusTypeDef I2Cx_WriteBuffer(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
00782 {
00783   HAL_StatusTypeDef status = HAL_OK;
00784   
00785   status = HAL_I2C_Mem_Write(&heval_I2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2cxTimeout); 
00786 
00787 /* Check the communication status */
00788   if(status != HAL_OK)
00789   {
00790     /* Re-Initiaize the BUS */
00791     I2Cx_Error();
00792   }        
00793   return status;
00794 }
00795 
00796 /**
00797   * @brief  Read a value in a register of the device through BUS.
00798   * @param  Addr: Device address on BUS Bus.  
00799   * @param  Reg: The target register address to write
00800   * @retval Data read at register @
00801   */
00802 static uint8_t I2Cx_ReadData(uint16_t Addr, uint8_t Reg)
00803 {
00804   HAL_StatusTypeDef status = HAL_OK;
00805   uint8_t value = 0;
00806   
00807   status = HAL_I2C_Mem_Read(&heval_I2c, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &value, 1, I2cxTimeout);
00808  
00809   /* Check the communication status */
00810   if(status != HAL_OK)
00811   {
00812     /* Execute user timeout callback */
00813     I2Cx_Error();
00814   
00815   }
00816   return value;
00817 }
00818 
00819 /**
00820   * @brief  Reads multiple data on the BUS.
00821   * @param  Addr: I2C Address
00822   * @param  Reg: Reg Address 
00823   * @param  RegSize : The target register size (can be 8BIT or 16BIT)
00824   * @param  pBuffer: pointer to read data buffer
00825   * @param  Length: length of the data
00826   * @retval 0 if no problems to read multiple data
00827   */
00828 static HAL_StatusTypeDef I2Cx_ReadBuffer(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
00829 {
00830   HAL_StatusTypeDef status = HAL_OK;
00831 
00832   status = HAL_I2C_Mem_Read(&heval_I2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2cxTimeout);
00833   
00834   /* Check the communication status */
00835   if(status != HAL_OK)
00836   {
00837     /* Re-Initiaize the BUS */
00838     I2Cx_Error();
00839   }        
00840   return status;
00841 }
00842 
00843 /**
00844 * @brief  Checks if target device is ready for communication. 
00845 * @note   This function is used with Memory devices
00846 * @param  DevAddress: Target device address
00847 * @param  Trials: Number of trials
00848 * @retval HAL status
00849 */
00850 static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
00851 { 
00852   return (HAL_I2C_IsDeviceReady(&heval_I2c, DevAddress, Trials, I2cxTimeout));
00853 }
00854 
00855 
00856 /**
00857   * @brief Eval I2Cx error treatment function
00858   * @retval None
00859   */
00860 static void I2Cx_Error (void)
00861 {
00862   /* De-initialize the I2C communication BUS */
00863   HAL_I2C_DeInit(&heval_I2c);
00864   
00865   /* Re- Initiaize the I2C communication BUS */
00866   I2Cx_Init();
00867 }
00868 
00869 #endif /* HAL_I2C_MODULE_ENABLED */
00870 
00871 /******************************* SPI Routines**********************************/
00872 #ifdef HAL_SPI_MODULE_ENABLED
00873 /**
00874   * @brief  Initializes SPI MSP.
00875   * @retval None
00876   */
00877 static void SPIx_MspInit(SPI_HandleTypeDef *hspi)
00878 {
00879   GPIO_InitTypeDef  gpioinitstruct = {0};
00880   
00881   /*** Configure the GPIOs ***/  
00882   /* Enable GPIO clock */
00883   EVAL_SPIx_SCK_GPIO_CLK_ENABLE();
00884   EVAL_SPIx_MISO_MOSI_GPIO_CLK_ENABLE();
00885   
00886   /* configure SPI SCK */
00887   gpioinitstruct.Pin        = EVAL_SPIx_SCK_PIN;
00888   gpioinitstruct.Mode       = GPIO_MODE_AF_PP;
00889   gpioinitstruct.Pull       = GPIO_NOPULL;
00890   gpioinitstruct.Speed      = GPIO_SPEED_FREQ_VERY_HIGH;
00891   gpioinitstruct.Alternate  = EVAL_SPIx_SCK_AF;
00892   HAL_GPIO_Init(EVAL_SPIx_SCK_GPIO_PORT, &gpioinitstruct);
00893 
00894   /* configure SPI MISO and MOSI */
00895   gpioinitstruct.Pin        = (EVAL_SPIx_MISO_PIN | EVAL_SPIx_MOSI_PIN);
00896   gpioinitstruct.Mode       = GPIO_MODE_AF_PP;
00897   gpioinitstruct.Pull       = GPIO_NOPULL;
00898   gpioinitstruct.Speed      = GPIO_SPEED_FREQ_VERY_HIGH;
00899   gpioinitstruct.Alternate  = EVAL_SPIx_MISO_MOSI_AF;
00900   HAL_GPIO_Init(EVAL_SPIx_MISO_MOSI_GPIO_PORT, &gpioinitstruct);
00901 
00902   /*** Configure the SPI peripheral ***/ 
00903   /* Enable SPI clock */
00904   EVAL_SPIx_CLK_ENABLE();
00905 }
00906 
00907 /**
00908   * @brief  Initializes SPI HAL.
00909   * @retval None
00910   */
00911 static void SPIx_Init(void)
00912 {
00913   /* DeInitializes the SPI peripheral */
00914   heval_Spi.Instance = EVAL_SPIx;
00915   HAL_SPI_DeInit(&heval_Spi);
00916 
00917   /* SPI Config */
00918   /* SPI baudrate is set to 32 MHz (PCLK2/SPI_BaudRatePrescaler = 32/2 = 16 MHz) */
00919   heval_Spi.Init.BaudRatePrescaler  = SPI_BAUDRATEPRESCALER_2;
00920   heval_Spi.Init.Direction          = SPI_DIRECTION_2LINES;
00921   heval_Spi.Init.CLKPhase           = SPI_PHASE_1EDGE;
00922   heval_Spi.Init.CLKPolarity        = SPI_POLARITY_LOW;
00923   heval_Spi.Init.CRCCalculation     = SPI_CRCCALCULATION_DISABLE;
00924   heval_Spi.Init.CRCPolynomial      = 7;
00925   heval_Spi.Init.DataSize           = SPI_DATASIZE_8BIT;
00926   heval_Spi.Init.FirstBit           = SPI_FIRSTBIT_MSB;
00927   heval_Spi.Init.NSS                = SPI_NSS_SOFT;
00928   heval_Spi.Init.TIMode             = SPI_TIMODE_DISABLE;
00929   heval_Spi.Init.Mode               = SPI_MODE_MASTER;
00930   
00931   SPIx_MspInit(&heval_Spi);
00932   if (HAL_SPI_Init(&heval_Spi) != HAL_OK)
00933   {
00934     /* Should not occur */
00935     while(1) {};
00936   }
00937 }
00938 
00939 /**
00940   * @brief SPI Read 4 bytes from device
00941   * @retval Read data
00942 */
00943 static uint32_t SPIx_Read(void)
00944 {
00945   HAL_StatusTypeDef status = HAL_OK;
00946   uint32_t          readvalue = 0;
00947   uint32_t          writevalue = 0xFFFFFFFF;
00948   
00949   status = HAL_SPI_TransmitReceive(&heval_Spi, (uint8_t*) &writevalue, (uint8_t*) &readvalue, 1, SpixTimeout);
00950   
00951   /* Check the communication status */
00952   if(status != HAL_OK)
00953   {
00954     /* Execute user timeout callback */
00955     SPIx_Error();
00956   }
00957 
00958   return readvalue;
00959 }
00960 
00961 /**
00962   * @brief SPI Write a byte to device
00963   * @param Value: value to be written
00964   * @retval None
00965   */
00966 static void SPIx_Write(uint8_t Value)
00967 {
00968   HAL_StatusTypeDef status = HAL_OK;
00969 
00970   status = HAL_SPI_Transmit(&heval_Spi, (uint8_t*) &Value, 1, SpixTimeout);
00971 
00972   /* Check the communication status */
00973   if(status != HAL_OK)
00974   {
00975     /* Execute user timeout callback */
00976     SPIx_Error();
00977   }
00978 }
00979 
00980 /**
00981   * @brief SPI error treatment function
00982   * @retval None
00983   */
00984 static void SPIx_Error (void)
00985 {
00986   /* De-initialize the SPI communication BUS */
00987   HAL_SPI_DeInit(&heval_Spi);
00988   
00989   /* Re- Initiaize the SPI communication BUS */
00990   SPIx_Init();
00991 }
00992 #endif /* HAL_SPI_MODULE_ENABLED */
00993 
00994 /**
00995   * @}
00996   */ 
00997 
00998 /** @defgroup STM32L152D_EVAL_LinkOperations_Functions Link Operations Functions
00999   * @{
01000   */ 
01001 
01002 /*******************************************************************************
01003                             LINK OPERATIONS
01004 *******************************************************************************/
01005 
01006 #if defined(HAL_SRAM_MODULE_ENABLED)
01007 /********************************* LINK LCD ***********************************/
01008 
01009 /**
01010   * @brief  Initializes LCD low level.
01011   * @retval None
01012   */
01013 void LCD_IO_Init(void) 
01014 {
01015   FSMC_BANK4_Init();
01016 }
01017 
01018 /**
01019   * @brief  Writes data on LCD data register.
01020   * @param  RegValue: Data to be written
01021   * @retval None
01022   */
01023 void  LCD_IO_WriteData(uint16_t RegValue)
01024 {
01025     FSMC_BANK4_WriteData(RegValue);
01026 }
01027 
01028 /**
01029   * @brief  Writes multiple data on LCD data register.
01030   * @param  pData: Data to be written
01031   * @param  Size: number of data to write
01032   * @retval None
01033   */
01034 void LCD_IO_WriteMultipleData(uint8_t *pData, uint32_t Size)
01035 {
01036   uint32_t index = 0;
01037   uint16_t data = 0;
01038   
01039   for(index = 0; index < (Size / 2); index++)
01040   {
01041     data = *pData;
01042     pData++;
01043     data |= (*pData++ << 8);
01044     FSMC_BANK4_WriteData(data);
01045   }
01046 }
01047 
01048 /**
01049   * @brief  Writes register on LCD register.
01050   * @param  Reg: Register to be written
01051   * @retval None
01052   */
01053 void LCD_IO_WriteReg(uint8_t Reg) 
01054 {
01055   FSMC_BANK4_WriteReg(Reg);
01056 }
01057 
01058 /**
01059   * @brief  Reads data from LCD data register.
01060   * @param  Reg: Register to be read
01061   * @retval Read data.
01062   */
01063 uint16_t LCD_IO_ReadData(uint16_t Reg)
01064 {
01065   FSMC_BANK4_WriteReg(Reg);
01066   
01067   /* Read 16-bit Reg */
01068   return (FSMC_BANK4_ReadData());
01069 }
01070 
01071 /**
01072   * @brief  Wait for loop in ms.
01073   * @param  Delay in ms.
01074   * @retval None
01075   */
01076 void LCD_Delay (uint32_t Delay)
01077 {
01078   HAL_Delay(Delay);
01079 }
01080 
01081 #endif /*HAL_SRAM_MODULE_ENABLED*/
01082 
01083 #ifdef HAL_SPI_MODULE_ENABLED
01084 /******************************** LINK EEPROM SPI ********************************/
01085 
01086 /**
01087   * @brief  Initializes the EEPROM SPI and put it into StandBy State (Ready for 
01088   *         data transfer).
01089   * @retval None
01090   */
01091 void EEPROM_SPI_IO_Init(void)
01092 {
01093   GPIO_InitTypeDef  gpioinitstruct = {0};
01094 
01095   /* EEPROM_CS_GPIO Periph clock enable */
01096   EEPROM_CS_GPIO_CLK_ENABLE();
01097 
01098   /* Configure EEPROM_CS_PIN pin: EEPROM SPI CS pin */
01099   gpioinitstruct.Pin    = EEPROM_CS_PIN;
01100   gpioinitstruct.Mode   = GPIO_MODE_OUTPUT_PP;
01101   gpioinitstruct.Pull   = GPIO_PULLUP;
01102   gpioinitstruct.Speed  = GPIO_SPEED_FREQ_VERY_HIGH;
01103   HAL_GPIO_Init(EEPROM_CS_GPIO_PORT, &gpioinitstruct);
01104 
01105   /*------------Put EEPROM in SPI mode--------------*/
01106   /* EEPROM SPI Config */
01107   SPIx_Init();
01108   
01109   /* EEPROM chip select high */
01110   EEPROM_CS_HIGH();
01111 }
01112 
01113 /**
01114   * @brief  Write a byte on the EEPROM.
01115   * @param  Data: byte to send.
01116   * @retval None
01117   */
01118 void EEPROM_SPI_IO_WriteByte(uint8_t Data)
01119 {
01120   /* Send the byte */
01121   SPIx_Write(Data);
01122 }
01123 
01124 /**
01125   * @brief  Read a byte from the EEPROM.
01126   * @retval uint8_t (The received byte).
01127   */
01128 uint8_t EEPROM_SPI_IO_ReadByte(void)
01129 {
01130   uint8_t data = 0;
01131   
01132   /* Get the received data */
01133   data = SPIx_Read();
01134 
01135   /* Return the shifted data */
01136   return data;
01137 }
01138 
01139 /**
01140   * @brief  Write data to SPI EEPROM driver
01141   * @param  MemAddress: Internal memory address
01142   * @param  pBuffer: Pointer to data buffer
01143   * @param  BufferSize: Amount of data to be read
01144   * @retval HAL_StatusTypeDef HAL Status
01145   */
01146 HAL_StatusTypeDef EEPROM_SPI_IO_WriteData(uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
01147 {
01148   /*!< Enable the write access to the EEPROM */
01149   /*!< Select the EEPROM: Chip Select low */
01150   EEPROM_CS_LOW();
01151 
01152   /*!< Send "Write Enable" instruction */
01153   SPIx_Write(EEPROM_CMD_WREN);
01154 
01155   /*!< Deselect the EEPROM: Chip Select high */
01156   EEPROM_CS_HIGH();
01157   
01158   /*!< Select the EEPROM: Chip Select low */
01159   EEPROM_CS_LOW();
01160 
01161   /*!< Send "Write to Memory" instruction and MSB of MemAddress   */
01162   SPIx_Write(EEPROM_CMD_WRITE | (uint8_t)((MemAddress & 0x0100)>>5));
01163   
01164   /*!< Send MemAddress address byte to write to */
01165   SPIx_Write(MemAddress & 0xFF);
01166   
01167   /*!< while there is data to be written on the EEPROM */
01168   while ((BufferSize)--)
01169   {
01170     /*!< Send the current byte */
01171     SPIx_Write(*pBuffer);
01172     /*!< Point on the next byte to be written */
01173     pBuffer++;
01174   }
01175   
01176   /*!< Deselect the EEPROM: Chip Select high */
01177   EEPROM_CS_HIGH();
01178   
01179   /*!< Wait the end of EEPROM writing */
01180   EEPROM_SPI_IO_WaitEepromStandbyState();
01181   
01182   /*!< Disable the write access to the EEROM */
01183   EEPROM_CS_LOW();
01184 
01185   /*!< Send "Write Disable" instruction */
01186   SPIx_Write(EEPROM_CMD_WRDI);
01187 
01188   /*!< Deselect the EEPROM: Chip Select high */
01189   EEPROM_CS_HIGH();
01190 
01191   return HAL_OK;
01192 }
01193 
01194 /**
01195   * @brief  Read data from SPI EEPROM driver
01196   * @param  MemAddress: Internal memory address
01197   * @param  pBuffer: Pointer to data buffer
01198   * @param  BufferSize: Amount of data to be read
01199   * @retval HAL_StatusTypeDef HAL Status
01200   */
01201 HAL_StatusTypeDef EEPROM_SPI_IO_ReadData(uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
01202 {
01203   /*!< Select the EEPROM: Chip Select low */
01204   EEPROM_CS_LOW();
01205  
01206   /*!< Send "Read from Memory" instruction and MSB of MemAddress */
01207   SPIx_Write(EEPROM_CMD_READ | (uint8_t)((MemAddress & 0x100)>>5));
01208   
01209   /*!< Send MemAddress address byte to read to*/
01210   SPIx_Write(MemAddress & 0xFF);
01211   
01212   while ((BufferSize)--) /*!< while there is data to be read */
01213   {
01214     /*!< Read a byte from the EEPROM */
01215     *pBuffer = SPIx_Read();
01216     /*!< Point to the next location where the byte read will be saved */
01217     pBuffer++;
01218   }
01219   
01220   /*!< Deselect the EEPROM: Chip Select high */
01221   EEPROM_CS_HIGH();
01222 
01223   return HAL_OK;
01224 }
01225 
01226 /**
01227   * @brief  Wait response from the SPI EEPROM
01228   * @retval HAL_StatusTypeDef HAL Status
01229   */
01230 HAL_StatusTypeDef EEPROM_SPI_IO_WaitEepromStandbyState(void)
01231 {
01232   uint32_t timeout = 0xFFFF;
01233   uint32_t eepromstatus = 0;
01234   
01235   /*!< Select the EEPROM: Chip Select low */
01236   EEPROM_CS_LOW();
01237   
01238   /*!< Send "Read Status Register" instruction */
01239   SPIx_Write(EEPROM_CMD_RDSR);
01240 
01241   /*!< Loop as long as the memory is busy with a write cycle */
01242   do
01243   {
01244     /*!< Send a dummy byte to generate the clock needed by the EEPROM
01245     and put the value of the status register in EEPROM Status variable */
01246     eepromstatus = SPIx_Read();
01247     timeout --;
01248   }
01249   while (((eepromstatus & EEPROM_WIP_FLAG) == SET) && timeout); /* Write in progress */
01250 
01251   /*!< Deselect the EEPROM: Chip Select high */
01252   EEPROM_CS_HIGH();
01253 
01254   if ((eepromstatus & EEPROM_WIP_FLAG) != SET)
01255   {
01256     /* Right response got */
01257     return HAL_OK;
01258   }
01259   else
01260   {
01261     /* After time out */
01262     return HAL_TIMEOUT;
01263   }
01264 }
01265 #endif /* HAL_SPI_MODULE_ENABLED */
01266 
01267 #ifdef HAL_I2C_MODULE_ENABLED
01268 /********************************* LINK I2C EEPROM *****************************/
01269 /**
01270   * @brief  Initializes peripherals used by the I2C EEPROM driver.
01271   * @retval None
01272   */
01273 void EEPROM_I2C_IO_Init(void)
01274 {
01275   I2Cx_Init();
01276 }
01277 
01278 /**
01279   * @brief  Write data to I2C EEPROM driver
01280   * @param  DevAddress: Target device address
01281   * @param  MemAddress: Internal memory address
01282   * @param  pBuffer: Pointer to data buffer
01283   * @param  BufferSize: Amount of data to be sent
01284   * @retval HAL status
01285   */
01286 HAL_StatusTypeDef EEPROM_I2C_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
01287 {
01288   return (I2Cx_WriteBuffer(DevAddress, MemAddress, I2C_MEMADD_SIZE_16BIT, pBuffer, BufferSize));
01289 }
01290 
01291 /**
01292   * @brief  Read data from I2C EEPROM driver
01293   * @param  DevAddress: Target device address
01294   * @param  MemAddress: Internal memory address
01295   * @param  pBuffer: Pointer to data buffer
01296   * @param  BufferSize: Amount of data to be read
01297   * @retval HAL status
01298   */
01299 HAL_StatusTypeDef EEPROM_I2C_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
01300 {
01301   return (I2Cx_ReadBuffer(DevAddress, MemAddress, I2C_MEMADD_SIZE_16BIT, pBuffer, BufferSize));
01302 }
01303 
01304 /**
01305 * @brief  Checks if target device is ready for communication. 
01306 * @note   This function is used with Memory devices
01307 * @param  DevAddress: Target device address
01308 * @param  Trials: Number of trials
01309 * @retval HAL status
01310 */
01311 HAL_StatusTypeDef EEPROM_I2C_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
01312 { 
01313   return (I2Cx_IsDeviceReady(DevAddress, Trials));
01314 }
01315 
01316 /********************************* LINK I2C TEMPERATURE SENSOR *****************************/
01317 /**
01318   * @brief  Initializes peripherals used by the I2C Temperature Sensor driver.
01319   * @retval None
01320   */
01321 void TSENSOR_IO_Init(void)
01322 {
01323   I2Cx_Init();
01324 }
01325 
01326 /**
01327   * @brief  Writes one byte to the TSENSOR.
01328   * @param  DevAddress: Target device address
01329   * @param  pBuffer: Pointer to data buffer
01330   * @param  WriteAddr: TSENSOR's internal address to write to.
01331   * @param  Length: Number of data to write
01332   * @retval None
01333   */
01334 void TSENSOR_IO_Write(uint16_t DevAddress, uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length)
01335 {
01336   I2Cx_WriteBuffer(DevAddress, WriteAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length);
01337 }
01338 
01339 /**
01340   * @brief  Reads one byte from the TSENSOR.
01341   * @param  DevAddress: Target device address
01342   * @param  pBuffer : pointer to the buffer that receives the data read from the TSENSOR.
01343   * @param  ReadAddr : TSENSOR's internal address to read from.
01344   * @param  Length: Number of data to read
01345   * @retval None
01346   */
01347 void TSENSOR_IO_Read(uint16_t DevAddress, uint8_t* pBuffer, uint8_t ReadAddr, uint16_t Length)
01348 {
01349   I2Cx_ReadBuffer(DevAddress, ReadAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length);
01350 }
01351 
01352 /**
01353 * @brief  Checks if Temperature Sensor is ready for communication. 
01354   * @param  DevAddress: Target device address
01355   * @param  Trials: Number of trials
01356 * @retval HAL status
01357 */
01358 uint16_t TSENSOR_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
01359 { 
01360   return (I2Cx_IsDeviceReady(DevAddress, Trials));
01361 }
01362 
01363 /********************************* LINK AUDIO ***********************************/
01364 
01365 /**
01366   * @brief  Initializes Audio low level.
01367   * @retval None
01368   */
01369 void AUDIO_IO_Init (void) 
01370 {
01371   GPIO_InitTypeDef  gpioinitstruct = {0};
01372   
01373   /* Enable Reset GPIO Clock */
01374   AUDIO_RESET_GPIO_CLK_ENABLE();
01375 
01376   /* Audio reset pin configuration -------------------------------------------------*/
01377   gpioinitstruct.Pin   = AUDIO_RESET_PIN; 
01378   gpioinitstruct.Mode  = GPIO_MODE_OUTPUT_PP;
01379   gpioinitstruct.Speed = GPIO_SPEED_FREQ_HIGH;
01380   gpioinitstruct.Pull  = GPIO_NOPULL;
01381   HAL_GPIO_Init(AUDIO_RESET_GPIO, &gpioinitstruct);    
01382   
01383   I2Cx_Init();
01384 
01385   /* Power Down the codec */
01386   HAL_GPIO_WritePin(AUDIO_RESET_GPIO, AUDIO_RESET_PIN, GPIO_PIN_RESET);
01387 
01388   /* wait for a delay to insure registers erasing */
01389   HAL_Delay(5); 
01390 
01391   /* Power on the codec */
01392   HAL_GPIO_WritePin(AUDIO_RESET_GPIO, AUDIO_RESET_PIN, GPIO_PIN_SET);
01393    
01394   /* wait for a delay to insure registers erasing */
01395   HAL_Delay(5); 
01396 }
01397 
01398 /**
01399   * @brief  DeInitializes Audio low level.
01400   * @note   This function is intentionally kept empty, user should define it.
01401   */
01402 void AUDIO_IO_DeInit(void)
01403 {
01404 
01405 }
01406 
01407 /**
01408   * @brief  Writes a single data.
01409   * @param  Addr: I2C address
01410   * @param  Reg: Reg address 
01411   * @param  Value: Data to be written
01412   * @retval None
01413   */
01414 void AUDIO_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
01415 {
01416   I2Cx_WriteData(Addr, Reg, Value);
01417 }
01418 
01419 /**
01420   * @brief  Reads a single data.
01421   * @param  Addr: I2C address
01422   * @param  Reg: Reg address 
01423   * @retval Data to be read
01424   */
01425 uint8_t AUDIO_IO_Read (uint8_t Addr, uint8_t Reg)
01426 {
01427   return I2Cx_ReadData(Addr, Reg);
01428 }
01429 
01430 #endif /* HAL_I2C_MODULE_ENABLED */
01431 
01432 /**
01433   * @}
01434   */ 
01435 
01436 /**
01437   * @}
01438   */
01439 
01440 /**
01441   * @}
01442   */    
01443   
01444 /**
01445   * @}
01446   */    
01447   
01448 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
01449 
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