ST / BSP_B-L475E-IOT01

Contains the BSP driver for the B-L475E-IOT01 board.

Dependents:   mbed-os-example-ble-Thermometer DISCO_L475VG_IOT01-Telegram-BOT DISCO_L475VG_IOT01-sche_cheveux DISCO_L475VG_IOT01-QSPI_FLASH_FILE_SYSTEM ... more

https://os.mbed.com/platforms/ST-Discovery-L475E-IOT01A/

Drivers/BSP/B-L475E-IOT01/stm32l475e_iot01.c@4:137bb367ba50, 2017-04-14 (annotated)

Committer:
bcostm
Date:
Fri Apr 14 13:09:54 2017 +0200
Revision:
4:137bb367ba50
Child:
5:0c70bc6d2dc0
Add remaining Components files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 4:137bb367ba50 1 /**
bcostm 4:137bb367ba50 2 ******************************************************************************
bcostm 4:137bb367ba50 3 * @file stm32l475e_iot01.c
bcostm 4:137bb367ba50 4 * @author MCD Application Team
bcostm 4:137bb367ba50 5 * @version V1.0.0
bcostm 4:137bb367ba50 6 * @date 17-March-2017
bcostm 4:137bb367ba50 7 * @brief STM32L475E-IOT01 board support package
bcostm 4:137bb367ba50 8 ******************************************************************************
bcostm 4:137bb367ba50 9 * @attention
bcostm 4:137bb367ba50 10 *
bcostm 4:137bb367ba50 11 * <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
bcostm 4:137bb367ba50 12 * All rights reserved.</center></h2>
bcostm 4:137bb367ba50 13 *
bcostm 4:137bb367ba50 14 * Redistribution and use in source and binary forms, with or without
bcostm 4:137bb367ba50 15 * modification, are permitted, provided that the following conditions are met:
bcostm 4:137bb367ba50 16 *
bcostm 4:137bb367ba50 17 * 1. Redistribution of source code must retain the above copyright notice,
bcostm 4:137bb367ba50 18 * this list of conditions and the following disclaimer.
bcostm 4:137bb367ba50 19 * 2. Redistributions in binary form must reproduce the above copyright notice,
bcostm 4:137bb367ba50 20 * this list of conditions and the following disclaimer in the documentation
bcostm 4:137bb367ba50 21 * and/or other materials provided with the distribution.
bcostm 4:137bb367ba50 22 * 3. Neither the name of STMicroelectronics nor the names of other
bcostm 4:137bb367ba50 23 * contributors to this software may be used to endorse or promote products
bcostm 4:137bb367ba50 24 * derived from this software without specific written permission.
bcostm 4:137bb367ba50 25 * 4. This software, including modifications and/or derivative works of this
bcostm 4:137bb367ba50 26 * software, must execute solely and exclusively on microcontroller or
bcostm 4:137bb367ba50 27 * microprocessor devices manufactured by or for STMicroelectronics.
bcostm 4:137bb367ba50 28 * 5. Redistribution and use of this software other than as permitted under
bcostm 4:137bb367ba50 29 * this license is void and will automatically terminate your rights under
bcostm 4:137bb367ba50 30 * this license.
bcostm 4:137bb367ba50 31 *
bcostm 4:137bb367ba50 32 * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
bcostm 4:137bb367ba50 33 * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
bcostm 4:137bb367ba50 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
bcostm 4:137bb367ba50 35 * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
bcostm 4:137bb367ba50 36 * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
bcostm 4:137bb367ba50 37 * SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
bcostm 4:137bb367ba50 38 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
bcostm 4:137bb367ba50 39 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
bcostm 4:137bb367ba50 40 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
bcostm 4:137bb367ba50 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
bcostm 4:137bb367ba50 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
bcostm 4:137bb367ba50 43 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bcostm 4:137bb367ba50 44 *
bcostm 4:137bb367ba50 45 ******************************************************************************
bcostm 4:137bb367ba50 46 */
bcostm 4:137bb367ba50 47
bcostm 4:137bb367ba50 48 /* Includes ------------------------------------------------------------------*/
bcostm 4:137bb367ba50 49 #include "stm32l475e_iot01.h"
bcostm 4:137bb367ba50 50 /** @defgroup BSP BSP
bcostm 4:137bb367ba50 51 * @{
bcostm 4:137bb367ba50 52 */
bcostm 4:137bb367ba50 53
bcostm 4:137bb367ba50 54 /** @defgroup STM32L475E_IOT01 STM32L475E_IOT01
bcostm 4:137bb367ba50 55 * @{
bcostm 4:137bb367ba50 56 */
bcostm 4:137bb367ba50 57
bcostm 4:137bb367ba50 58 /** @defgroup STM32L475E_IOT01_LOW_LEVEL LOW LEVEL
bcostm 4:137bb367ba50 59 * @{
bcostm 4:137bb367ba50 60 */
bcostm 4:137bb367ba50 61
bcostm 4:137bb367ba50 62 /** @defgroup STM32L475E_IOT01_LOW_LEVEL_Private_Defines LOW LEVEL Private Def
bcostm 4:137bb367ba50 63 * @{
bcostm 4:137bb367ba50 64 */
bcostm 4:137bb367ba50 65 /**
bcostm 4:137bb367ba50 66 * @brief STM32L475E IOT01 BSP Driver version number V1.0.0
bcostm 4:137bb367ba50 67 */
bcostm 4:137bb367ba50 68 #define __STM32L475E_IOT01_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */
bcostm 4:137bb367ba50 69 #define __STM32L475E_IOT01_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
bcostm 4:137bb367ba50 70 #define __STM32L475E_IOT01_BSP_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */
bcostm 4:137bb367ba50 71 #define __STM32L475E_IOT01_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
bcostm 4:137bb367ba50 72 #define __STM32L475E_IOT01_BSP_VERSION ((__STM32L475E_IOT01_BSP_VERSION_MAIN << 24)\
bcostm 4:137bb367ba50 73 |(__STM32L475E_IOT01_BSP_VERSION_SUB1 << 16)\
bcostm 4:137bb367ba50 74 |(__STM32L475E_IOT01_BSP_VERSION_SUB2 << 8 )\
bcostm 4:137bb367ba50 75 |(__STM32L475E_IOT01_BSP_VERSION_RC))
bcostm 4:137bb367ba50 76 /**
bcostm 4:137bb367ba50 77 * @}
bcostm 4:137bb367ba50 78 */
bcostm 4:137bb367ba50 79
bcostm 4:137bb367ba50 80 /** @defgroup STM32L475E_IOT01_LOW_LEVEL_Private_Variables LOW LEVEL Variables
bcostm 4:137bb367ba50 81 * @{
bcostm 4:137bb367ba50 82 */
bcostm 4:137bb367ba50 83
bcostm 4:137bb367ba50 84 const uint32_t GPIO_PIN[LEDn] = {LED2_PIN};
bcostm 4:137bb367ba50 85
bcostm 4:137bb367ba50 86
bcostm 4:137bb367ba50 87 GPIO_TypeDef* GPIO_PORT[LEDn] = {LED2_GPIO_PORT};
bcostm 4:137bb367ba50 88
bcostm 4:137bb367ba50 89
bcostm 4:137bb367ba50 90 GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {USER_BUTTON_GPIO_PORT};
bcostm 4:137bb367ba50 91
bcostm 4:137bb367ba50 92 const uint16_t BUTTON_PIN[BUTTONn] = {USER_BUTTON_PIN};
bcostm 4:137bb367ba50 93
bcostm 4:137bb367ba50 94 const uint16_t BUTTON_IRQn[BUTTONn] = {USER_BUTTON_EXTI_IRQn};
bcostm 4:137bb367ba50 95
bcostm 4:137bb367ba50 96 USART_TypeDef* COM_USART[COMn] = {DISCOVERY_COM1};
bcostm 4:137bb367ba50 97
bcostm 4:137bb367ba50 98 GPIO_TypeDef* COM_TX_PORT[COMn] = {DISCOVERY_COM1_TX_GPIO_PORT};
bcostm 4:137bb367ba50 99
bcostm 4:137bb367ba50 100 GPIO_TypeDef* COM_RX_PORT[COMn] = {DISCOVERY_COM1_RX_GPIO_PORT};
bcostm 4:137bb367ba50 101
bcostm 4:137bb367ba50 102 const uint16_t COM_TX_PIN[COMn] = {DISCOVERY_COM1_TX_PIN};
bcostm 4:137bb367ba50 103
bcostm 4:137bb367ba50 104 const uint16_t COM_RX_PIN[COMn] = {DISCOVERY_COM1_RX_PIN};
bcostm 4:137bb367ba50 105
bcostm 4:137bb367ba50 106 const uint16_t COM_TX_AF[COMn] = {DISCOVERY_COM1_TX_AF};
bcostm 4:137bb367ba50 107
bcostm 4:137bb367ba50 108 const uint16_t COM_RX_AF[COMn] = {DISCOVERY_COM1_RX_AF};
bcostm 4:137bb367ba50 109
bcostm 4:137bb367ba50 110 I2C_HandleTypeDef hI2cHandler;
bcostm 4:137bb367ba50 111 UART_HandleTypeDef hDiscoUart;
bcostm 4:137bb367ba50 112 /**
bcostm 4:137bb367ba50 113 * @}
bcostm 4:137bb367ba50 114 */
bcostm 4:137bb367ba50 115 /** @defgroup STM32L475E_IOT01_LOW_LEVEL_Private_FunctionPrototypes LOW LEVEL Private Function Prototypes
bcostm 4:137bb367ba50 116 * @{
bcostm 4:137bb367ba50 117 */
bcostm 4:137bb367ba50 118 static void I2Cx_MspInit(I2C_HandleTypeDef *i2c_handler);
bcostm 4:137bb367ba50 119 static void I2Cx_MspDeInit(I2C_HandleTypeDef *i2c_handler);
bcostm 4:137bb367ba50 120 static void I2Cx_Init(I2C_HandleTypeDef *i2c_handler);
bcostm 4:137bb367ba50 121 static void I2Cx_DeInit(I2C_HandleTypeDef *i2c_handler);
bcostm 4:137bb367ba50 122 static HAL_StatusTypeDef I2Cx_ReadMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length);
bcostm 4:137bb367ba50 123 static HAL_StatusTypeDef I2Cx_WriteMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddSize, uint8_t *Buffer, uint16_t Length);
bcostm 4:137bb367ba50 124 static HAL_StatusTypeDef I2Cx_IsDeviceReady(I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials);
bcostm 4:137bb367ba50 125 static void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr);
bcostm 4:137bb367ba50 126
bcostm 4:137bb367ba50 127 /* Sensors IO functions */
bcostm 4:137bb367ba50 128 void SENSOR_IO_Init(void);
bcostm 4:137bb367ba50 129 void SENSOR_IO_DeInit(void);
bcostm 4:137bb367ba50 130 void SENSOR_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
bcostm 4:137bb367ba50 131 uint8_t SENSOR_IO_Read(uint8_t Addr, uint8_t Reg);
bcostm 4:137bb367ba50 132 uint16_t SENSOR_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
bcostm 4:137bb367ba50 133 void SENSOR_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length);
bcostm 4:137bb367ba50 134 HAL_StatusTypeDef SENSOR_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
bcostm 4:137bb367ba50 135 void SENSOR_IO_Delay(uint32_t Delay);
bcostm 4:137bb367ba50 136
bcostm 4:137bb367ba50 137 /**
bcostm 4:137bb367ba50 138 * @}
bcostm 4:137bb367ba50 139 */
bcostm 4:137bb367ba50 140
bcostm 4:137bb367ba50 141 /** @defgroup STM32L475E_IOT01_LOW_LEVEL_Private_Functions LOW LEVEL Private Functions
bcostm 4:137bb367ba50 142 * @{
bcostm 4:137bb367ba50 143 */
bcostm 4:137bb367ba50 144
bcostm 4:137bb367ba50 145 /**
bcostm 4:137bb367ba50 146 * @brief This method returns the STM32L475E IOT01 BSP Driver revision
bcostm 4:137bb367ba50 147 * @retval version: 0xXYZR (8bits for each decimal, R for RC)
bcostm 4:137bb367ba50 148 */
bcostm 4:137bb367ba50 149 uint32_t BSP_GetVersion(void)
bcostm 4:137bb367ba50 150 {
bcostm 4:137bb367ba50 151 return __STM32L475E_IOT01_BSP_VERSION;
bcostm 4:137bb367ba50 152 }
bcostm 4:137bb367ba50 153
bcostm 4:137bb367ba50 154 /**
bcostm 4:137bb367ba50 155 * @brief Configures LEDs.
bcostm 4:137bb367ba50 156 * @param Led: LED to be configured.
bcostm 4:137bb367ba50 157 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 158 * @arg LED2
bcostm 4:137bb367ba50 159 */
bcostm 4:137bb367ba50 160 void BSP_LED_Init(Led_TypeDef Led)
bcostm 4:137bb367ba50 161 {
bcostm 4:137bb367ba50 162 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 163
bcostm 4:137bb367ba50 164 LEDx_GPIO_CLK_ENABLE(Led);
bcostm 4:137bb367ba50 165 /* Configure the GPIO_LED pin */
bcostm 4:137bb367ba50 166 gpio_init_structure.Pin = GPIO_PIN[Led];
bcostm 4:137bb367ba50 167 gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;
bcostm 4:137bb367ba50 168 gpio_init_structure.Pull = GPIO_NOPULL;
bcostm 4:137bb367ba50 169 gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
bcostm 4:137bb367ba50 170
bcostm 4:137bb367ba50 171 HAL_GPIO_Init(GPIO_PORT[Led], &gpio_init_structure);
bcostm 4:137bb367ba50 172 }
bcostm 4:137bb367ba50 173
bcostm 4:137bb367ba50 174 /**
bcostm 4:137bb367ba50 175 * @brief DeInit LEDs.
bcostm 4:137bb367ba50 176 * @param Led: LED to be configured.
bcostm 4:137bb367ba50 177 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 178 * @arg LED2
bcostm 4:137bb367ba50 179 */
bcostm 4:137bb367ba50 180 void BSP_LED_DeInit(Led_TypeDef Led)
bcostm 4:137bb367ba50 181 {
bcostm 4:137bb367ba50 182 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 183
bcostm 4:137bb367ba50 184 /* DeInit the GPIO_LED pin */
bcostm 4:137bb367ba50 185 gpio_init_structure.Pin = GPIO_PIN[Led];
bcostm 4:137bb367ba50 186
bcostm 4:137bb367ba50 187 /* Turn off LED */
bcostm 4:137bb367ba50 188 HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
bcostm 4:137bb367ba50 189 HAL_GPIO_DeInit(GPIO_PORT[Led], gpio_init_structure.Pin);
bcostm 4:137bb367ba50 190 }
bcostm 4:137bb367ba50 191
bcostm 4:137bb367ba50 192 /**
bcostm 4:137bb367ba50 193 * @brief Turns selected LED On.
bcostm 4:137bb367ba50 194 * @param Led: LED to be set on
bcostm 4:137bb367ba50 195 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 196 * @arg LED2
bcostm 4:137bb367ba50 197 */
bcostm 4:137bb367ba50 198 void BSP_LED_On(Led_TypeDef Led)
bcostm 4:137bb367ba50 199 {
bcostm 4:137bb367ba50 200 HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET);
bcostm 4:137bb367ba50 201 }
bcostm 4:137bb367ba50 202
bcostm 4:137bb367ba50 203 /**
bcostm 4:137bb367ba50 204 * @brief Turns selected LED Off.
bcostm 4:137bb367ba50 205 * @param Led: LED to be set off
bcostm 4:137bb367ba50 206 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 207 * @arg LED2
bcostm 4:137bb367ba50 208 */
bcostm 4:137bb367ba50 209 void BSP_LED_Off(Led_TypeDef Led)
bcostm 4:137bb367ba50 210 {
bcostm 4:137bb367ba50 211 HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
bcostm 4:137bb367ba50 212 }
bcostm 4:137bb367ba50 213
bcostm 4:137bb367ba50 214 /**
bcostm 4:137bb367ba50 215 * @brief Toggles the selected LED.
bcostm 4:137bb367ba50 216 * @param Led: LED to be toggled
bcostm 4:137bb367ba50 217 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 218 * @arg LED2
bcostm 4:137bb367ba50 219 */
bcostm 4:137bb367ba50 220 void BSP_LED_Toggle(Led_TypeDef Led)
bcostm 4:137bb367ba50 221 {
bcostm 4:137bb367ba50 222 HAL_GPIO_TogglePin(GPIO_PORT[Led], GPIO_PIN[Led]);
bcostm 4:137bb367ba50 223 }
bcostm 4:137bb367ba50 224
bcostm 4:137bb367ba50 225 /**
bcostm 4:137bb367ba50 226 * @brief Configures button GPIO and EXTI Line.
bcostm 4:137bb367ba50 227 * @param Button: Button to be configured
bcostm 4:137bb367ba50 228 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 229 * @arg BUTTON_WAKEUP: Wakeup Push Button
bcostm 4:137bb367ba50 230 * @param ButtonMode: Button mode
bcostm 4:137bb367ba50 231 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 232 * @arg BUTTON_MODE_GPIO: Button will be used as simple IO
bcostm 4:137bb367ba50 233 * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line
bcostm 4:137bb367ba50 234 * with interrupt generation capability
bcostm 4:137bb367ba50 235 */
bcostm 4:137bb367ba50 236 void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
bcostm 4:137bb367ba50 237 {
bcostm 4:137bb367ba50 238 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 239
bcostm 4:137bb367ba50 240 /* Enable the BUTTON clock */
bcostm 4:137bb367ba50 241 USER_BUTTON_GPIO_CLK_ENABLE();
bcostm 4:137bb367ba50 242
bcostm 4:137bb367ba50 243 if(ButtonMode == BUTTON_MODE_GPIO)
bcostm 4:137bb367ba50 244 {
bcostm 4:137bb367ba50 245 /* Configure Button pin as input */
bcostm 4:137bb367ba50 246 gpio_init_structure.Pin = BUTTON_PIN[Button];
bcostm 4:137bb367ba50 247 gpio_init_structure.Mode = GPIO_MODE_INPUT;
bcostm 4:137bb367ba50 248 gpio_init_structure.Pull = GPIO_PULLUP;
bcostm 4:137bb367ba50 249 gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
bcostm 4:137bb367ba50 250 HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
bcostm 4:137bb367ba50 251 }
bcostm 4:137bb367ba50 252
bcostm 4:137bb367ba50 253 if(ButtonMode == BUTTON_MODE_EXTI)
bcostm 4:137bb367ba50 254 {
bcostm 4:137bb367ba50 255 /* Configure Button pin as input with External interrupt */
bcostm 4:137bb367ba50 256 gpio_init_structure.Pin = BUTTON_PIN[Button];
bcostm 4:137bb367ba50 257 gpio_init_structure.Pull = GPIO_PULLUP;
bcostm 4:137bb367ba50 258 gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
bcostm 4:137bb367ba50 259
bcostm 4:137bb367ba50 260 gpio_init_structure.Mode = GPIO_MODE_IT_RISING;
bcostm 4:137bb367ba50 261
bcostm 4:137bb367ba50 262 HAL_GPIO_Init(BUTTON_PORT[Button], &gpio_init_structure);
bcostm 4:137bb367ba50 263
bcostm 4:137bb367ba50 264 /* Enable and set Button EXTI Interrupt to the lowest priority */
bcostm 4:137bb367ba50 265 HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0x00);
bcostm 4:137bb367ba50 266 HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
bcostm 4:137bb367ba50 267 }
bcostm 4:137bb367ba50 268 }
bcostm 4:137bb367ba50 269
bcostm 4:137bb367ba50 270 /**
bcostm 4:137bb367ba50 271 * @brief Push Button DeInit.
bcostm 4:137bb367ba50 272 * @param Button: Button to be configured
bcostm 4:137bb367ba50 273 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 274 * @arg BUTTON_WAKEUP: Wakeup Push Button
bcostm 4:137bb367ba50 275 * @note PB DeInit does not disable the GPIO clock
bcostm 4:137bb367ba50 276 */
bcostm 4:137bb367ba50 277 void BSP_PB_DeInit(Button_TypeDef Button)
bcostm 4:137bb367ba50 278 {
bcostm 4:137bb367ba50 279 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 280
bcostm 4:137bb367ba50 281 gpio_init_structure.Pin = BUTTON_PIN[Button];
bcostm 4:137bb367ba50 282 HAL_NVIC_DisableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
bcostm 4:137bb367ba50 283 HAL_GPIO_DeInit(BUTTON_PORT[Button], gpio_init_structure.Pin);
bcostm 4:137bb367ba50 284 }
bcostm 4:137bb367ba50 285
bcostm 4:137bb367ba50 286
bcostm 4:137bb367ba50 287 /**
bcostm 4:137bb367ba50 288 * @brief Returns the selected button state.
bcostm 4:137bb367ba50 289 * @param Button: Button to be checked
bcostm 4:137bb367ba50 290 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 291 * @arg BUTTON_WAKEUP: Wakeup Push Button
bcostm 4:137bb367ba50 292 * @retval The Button GPIO pin value (GPIO_PIN_RESET = button pressed)
bcostm 4:137bb367ba50 293 */
bcostm 4:137bb367ba50 294 uint32_t BSP_PB_GetState(Button_TypeDef Button)
bcostm 4:137bb367ba50 295 {
bcostm 4:137bb367ba50 296 return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
bcostm 4:137bb367ba50 297 }
bcostm 4:137bb367ba50 298
bcostm 4:137bb367ba50 299 /**
bcostm 4:137bb367ba50 300 * @brief Configures COM port.
bcostm 4:137bb367ba50 301 * @param COM: COM port to be configured.
bcostm 4:137bb367ba50 302 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 303 * @arg COM1
bcostm 4:137bb367ba50 304 * @param huart: Pointer to a UART_HandleTypeDef structure that contains the
bcostm 4:137bb367ba50 305 * configuration information for the specified USART peripheral.
bcostm 4:137bb367ba50 306 */
bcostm 4:137bb367ba50 307 void BSP_COM_Init(COM_TypeDef COM, UART_HandleTypeDef *huart)
bcostm 4:137bb367ba50 308 {
bcostm 4:137bb367ba50 309 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 310
bcostm 4:137bb367ba50 311 /* Enable GPIO clock */
bcostm 4:137bb367ba50 312 DISCOVERY_COMx_TX_GPIO_CLK_ENABLE(COM);
bcostm 4:137bb367ba50 313 DISCOVERY_COMx_RX_GPIO_CLK_ENABLE(COM);
bcostm 4:137bb367ba50 314
bcostm 4:137bb367ba50 315 /* Enable USART clock */
bcostm 4:137bb367ba50 316 DISCOVERY_COMx_CLK_ENABLE(COM);
bcostm 4:137bb367ba50 317
bcostm 4:137bb367ba50 318 /* Configure USART Tx as alternate function */
bcostm 4:137bb367ba50 319 gpio_init_structure.Pin = COM_TX_PIN[COM];
bcostm 4:137bb367ba50 320 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
bcostm 4:137bb367ba50 321 gpio_init_structure.Speed = GPIO_SPEED_FREQ_HIGH;
bcostm 4:137bb367ba50 322 gpio_init_structure.Pull = GPIO_NOPULL;
bcostm 4:137bb367ba50 323 gpio_init_structure.Alternate = COM_TX_AF[COM];
bcostm 4:137bb367ba50 324 HAL_GPIO_Init(COM_TX_PORT[COM], &gpio_init_structure);
bcostm 4:137bb367ba50 325
bcostm 4:137bb367ba50 326 /* Configure USART Rx as alternate function */
bcostm 4:137bb367ba50 327 gpio_init_structure.Pin = COM_RX_PIN[COM];
bcostm 4:137bb367ba50 328 gpio_init_structure.Mode = GPIO_MODE_AF_PP;
bcostm 4:137bb367ba50 329 gpio_init_structure.Alternate = COM_RX_AF[COM];
bcostm 4:137bb367ba50 330 HAL_GPIO_Init(COM_RX_PORT[COM], &gpio_init_structure);
bcostm 4:137bb367ba50 331
bcostm 4:137bb367ba50 332 /* USART configuration */
bcostm 4:137bb367ba50 333 huart->Instance = COM_USART[COM];
bcostm 4:137bb367ba50 334 HAL_UART_Init(huart);
bcostm 4:137bb367ba50 335 }
bcostm 4:137bb367ba50 336
bcostm 4:137bb367ba50 337 /**
bcostm 4:137bb367ba50 338 * @brief DeInit COM port.
bcostm 4:137bb367ba50 339 * @param COM: COM port to be configured.
bcostm 4:137bb367ba50 340 * This parameter can be one of the following values:
bcostm 4:137bb367ba50 341 * @arg COM1
bcostm 4:137bb367ba50 342 * @param huart: Pointer to a UART_HandleTypeDef structure that contains the
bcostm 4:137bb367ba50 343 * configuration information for the specified USART peripheral.
bcostm 4:137bb367ba50 344 */
bcostm 4:137bb367ba50 345 void BSP_COM_DeInit(COM_TypeDef COM, UART_HandleTypeDef *huart)
bcostm 4:137bb367ba50 346 {
bcostm 4:137bb367ba50 347 /* USART configuration */
bcostm 4:137bb367ba50 348 huart->Instance = COM_USART[COM];
bcostm 4:137bb367ba50 349 HAL_UART_DeInit(huart);
bcostm 4:137bb367ba50 350
bcostm 4:137bb367ba50 351 /* Enable USART clock */
bcostm 4:137bb367ba50 352 DISCOVERY_COMx_CLK_DISABLE(COM);
bcostm 4:137bb367ba50 353
bcostm 4:137bb367ba50 354 /* DeInit GPIO pins can be done in the application
bcostm 4:137bb367ba50 355 (by surcharging this __weak function) */
bcostm 4:137bb367ba50 356
bcostm 4:137bb367ba50 357 /* GPIO pins clock, FMC clock and DMA clock can be shut down in the application
bcostm 4:137bb367ba50 358 by surcharging this __weak function */
bcostm 4:137bb367ba50 359 }
bcostm 4:137bb367ba50 360
bcostm 4:137bb367ba50 361
bcostm 4:137bb367ba50 362 /*******************************************************************************
bcostm 4:137bb367ba50 363 BUS OPERATIONS
bcostm 4:137bb367ba50 364 *******************************************************************************/
bcostm 4:137bb367ba50 365
bcostm 4:137bb367ba50 366 /******************************* I2C Routines *********************************/
bcostm 4:137bb367ba50 367 /**
bcostm 4:137bb367ba50 368 * @brief Initializes I2C MSP.
bcostm 4:137bb367ba50 369 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 370 * @retval None
bcostm 4:137bb367ba50 371 */
bcostm 4:137bb367ba50 372 static void I2Cx_MspInit(I2C_HandleTypeDef *i2c_handler)
bcostm 4:137bb367ba50 373 {
bcostm 4:137bb367ba50 374 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 375
bcostm 4:137bb367ba50 376 /*** Configure the GPIOs ***/
bcostm 4:137bb367ba50 377 /* Enable GPIO clock */
bcostm 4:137bb367ba50 378 DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_ENABLE();
bcostm 4:137bb367ba50 379
bcostm 4:137bb367ba50 380 /* Configure I2C Tx, Rx as alternate function */
bcostm 4:137bb367ba50 381 gpio_init_structure.Pin = DISCOVERY_I2Cx_SCL_PIN | DISCOVERY_I2Cx_SDA_PIN;
bcostm 4:137bb367ba50 382 gpio_init_structure.Mode = GPIO_MODE_AF_OD;
bcostm 4:137bb367ba50 383 gpio_init_structure.Pull = GPIO_PULLUP;
bcostm 4:137bb367ba50 384 gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
bcostm 4:137bb367ba50 385 gpio_init_structure.Alternate = DISCOVERY_I2Cx_SCL_SDA_AF;
bcostm 4:137bb367ba50 386 HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure);
bcostm 4:137bb367ba50 387
bcostm 4:137bb367ba50 388 HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, &gpio_init_structure);
bcostm 4:137bb367ba50 389
bcostm 4:137bb367ba50 390 /*** Configure the I2C peripheral ***/
bcostm 4:137bb367ba50 391 /* Enable I2C clock */
bcostm 4:137bb367ba50 392 DISCOVERY_I2Cx_CLK_ENABLE();
bcostm 4:137bb367ba50 393
bcostm 4:137bb367ba50 394 /* Force the I2C peripheral clock reset */
bcostm 4:137bb367ba50 395 DISCOVERY_I2Cx_FORCE_RESET();
bcostm 4:137bb367ba50 396
bcostm 4:137bb367ba50 397 /* Release the I2C peripheral clock reset */
bcostm 4:137bb367ba50 398 DISCOVERY_I2Cx_RELEASE_RESET();
bcostm 4:137bb367ba50 399
bcostm 4:137bb367ba50 400 /* Enable and set I2Cx Interrupt to a lower priority */
bcostm 4:137bb367ba50 401 HAL_NVIC_SetPriority(DISCOVERY_I2Cx_EV_IRQn, 0x0F, 0);
bcostm 4:137bb367ba50 402 HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_EV_IRQn);
bcostm 4:137bb367ba50 403
bcostm 4:137bb367ba50 404 /* Enable and set I2Cx Interrupt to a lower priority */
bcostm 4:137bb367ba50 405 HAL_NVIC_SetPriority(DISCOVERY_I2Cx_ER_IRQn, 0x0F, 0);
bcostm 4:137bb367ba50 406 HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_ER_IRQn);
bcostm 4:137bb367ba50 407 }
bcostm 4:137bb367ba50 408
bcostm 4:137bb367ba50 409 /**
bcostm 4:137bb367ba50 410 * @brief DeInitializes I2C MSP.
bcostm 4:137bb367ba50 411 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 412 * @retval None
bcostm 4:137bb367ba50 413 */
bcostm 4:137bb367ba50 414 static void I2Cx_MspDeInit(I2C_HandleTypeDef *i2c_handler)
bcostm 4:137bb367ba50 415 {
bcostm 4:137bb367ba50 416 GPIO_InitTypeDef gpio_init_structure;
bcostm 4:137bb367ba50 417
bcostm 4:137bb367ba50 418 /* Configure I2C Tx, Rx as alternate function */
bcostm 4:137bb367ba50 419 gpio_init_structure.Pin = DISCOVERY_I2Cx_SCL_PIN | DISCOVERY_I2Cx_SDA_PIN;
bcostm 4:137bb367ba50 420 HAL_GPIO_DeInit(DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, gpio_init_structure.Pin);
bcostm 4:137bb367ba50 421 /* Disable GPIO clock */
bcostm 4:137bb367ba50 422 DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_DISABLE();
bcostm 4:137bb367ba50 423
bcostm 4:137bb367ba50 424 /* Disable I2C clock */
bcostm 4:137bb367ba50 425 DISCOVERY_I2Cx_CLK_DISABLE();
bcostm 4:137bb367ba50 426 }
bcostm 4:137bb367ba50 427
bcostm 4:137bb367ba50 428 /**
bcostm 4:137bb367ba50 429 * @brief Initializes I2C HAL.
bcostm 4:137bb367ba50 430 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 431 * @retval None
bcostm 4:137bb367ba50 432 */
bcostm 4:137bb367ba50 433 static void I2Cx_Init(I2C_HandleTypeDef *i2c_handler)
bcostm 4:137bb367ba50 434 {
bcostm 4:137bb367ba50 435 /* I2C configuration */
bcostm 4:137bb367ba50 436 i2c_handler->Instance = DISCOVERY_I2Cx;
bcostm 4:137bb367ba50 437 i2c_handler->Init.Timing = DISCOVERY_I2Cx_TIMING;
bcostm 4:137bb367ba50 438 i2c_handler->Init.OwnAddress1 = 0;
bcostm 4:137bb367ba50 439 i2c_handler->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
bcostm 4:137bb367ba50 440 i2c_handler->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
bcostm 4:137bb367ba50 441 i2c_handler->Init.OwnAddress2 = 0;
bcostm 4:137bb367ba50 442 i2c_handler->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
bcostm 4:137bb367ba50 443 i2c_handler->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
bcostm 4:137bb367ba50 444
bcostm 4:137bb367ba50 445 /* Init the I2C */
bcostm 4:137bb367ba50 446 I2Cx_MspInit(i2c_handler);
bcostm 4:137bb367ba50 447 HAL_I2C_Init(i2c_handler);
bcostm 4:137bb367ba50 448
bcostm 4:137bb367ba50 449 /**Configure Analogue filter */
bcostm 4:137bb367ba50 450 HAL_I2CEx_ConfigAnalogFilter(i2c_handler, I2C_ANALOGFILTER_ENABLE);
bcostm 4:137bb367ba50 451 }
bcostm 4:137bb367ba50 452
bcostm 4:137bb367ba50 453 /**
bcostm 4:137bb367ba50 454 * @brief DeInitializes I2C HAL.
bcostm 4:137bb367ba50 455 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 456 * @retval None
bcostm 4:137bb367ba50 457 */
bcostm 4:137bb367ba50 458 static void I2Cx_DeInit(I2C_HandleTypeDef *i2c_handler)
bcostm 4:137bb367ba50 459 { /* DeInit the I2C */
bcostm 4:137bb367ba50 460 I2Cx_MspDeInit(i2c_handler);
bcostm 4:137bb367ba50 461 HAL_I2C_DeInit(i2c_handler);
bcostm 4:137bb367ba50 462 }
bcostm 4:137bb367ba50 463
bcostm 4:137bb367ba50 464 /**
bcostm 4:137bb367ba50 465 * @brief Reads multiple data.
bcostm 4:137bb367ba50 466 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 467 * @param Addr: I2C address
bcostm 4:137bb367ba50 468 * @param Reg: Reg address
bcostm 4:137bb367ba50 469 * @param MemAddress: memory address
bcostm 4:137bb367ba50 470 * @param Buffer: Pointer to data buffer
bcostm 4:137bb367ba50 471 * @param Length: Length of the data
bcostm 4:137bb367ba50 472 * @retval HAL status
bcostm 4:137bb367ba50 473 */
bcostm 4:137bb367ba50 474 static HAL_StatusTypeDef I2Cx_ReadMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
bcostm 4:137bb367ba50 475 {
bcostm 4:137bb367ba50 476 HAL_StatusTypeDef status = HAL_OK;
bcostm 4:137bb367ba50 477
bcostm 4:137bb367ba50 478 status = HAL_I2C_Mem_Read(i2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000);
bcostm 4:137bb367ba50 479
bcostm 4:137bb367ba50 480 /* Check the communication status */
bcostm 4:137bb367ba50 481 if(status != HAL_OK)
bcostm 4:137bb367ba50 482 {
bcostm 4:137bb367ba50 483 /* I2C error occured */
bcostm 4:137bb367ba50 484 I2Cx_Error(i2c_handler, Addr);
bcostm 4:137bb367ba50 485 }
bcostm 4:137bb367ba50 486 return status;
bcostm 4:137bb367ba50 487 }
bcostm 4:137bb367ba50 488
bcostm 4:137bb367ba50 489
bcostm 4:137bb367ba50 490 /**
bcostm 4:137bb367ba50 491 * @brief Writes a value in a register of the device through BUS in using DMA mode.
bcostm 4:137bb367ba50 492 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 493 * @param Addr: Device address on BUS Bus.
bcostm 4:137bb367ba50 494 * @param Reg: The target register address to write
bcostm 4:137bb367ba50 495 * @param MemAddress: memory address
bcostm 4:137bb367ba50 496 * @param Buffer: The target register value to be written
bcostm 4:137bb367ba50 497 * @param Length: buffer size to be written
bcostm 4:137bb367ba50 498 * @retval HAL status
bcostm 4:137bb367ba50 499 */
bcostm 4:137bb367ba50 500 static HAL_StatusTypeDef I2Cx_WriteMultiple(I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
bcostm 4:137bb367ba50 501 {
bcostm 4:137bb367ba50 502 HAL_StatusTypeDef status = HAL_OK;
bcostm 4:137bb367ba50 503
bcostm 4:137bb367ba50 504 status = HAL_I2C_Mem_Write(i2c_handler, Addr, (uint16_t)Reg, MemAddress, Buffer, Length, 1000);
bcostm 4:137bb367ba50 505
bcostm 4:137bb367ba50 506 /* Check the communication status */
bcostm 4:137bb367ba50 507 if(status != HAL_OK)
bcostm 4:137bb367ba50 508 {
bcostm 4:137bb367ba50 509 /* Re-Initiaize the I2C Bus */
bcostm 4:137bb367ba50 510 I2Cx_Error(i2c_handler, Addr);
bcostm 4:137bb367ba50 511 }
bcostm 4:137bb367ba50 512 return status;
bcostm 4:137bb367ba50 513 }
bcostm 4:137bb367ba50 514
bcostm 4:137bb367ba50 515 /**
bcostm 4:137bb367ba50 516 * @brief Checks if target device is ready for communication.
bcostm 4:137bb367ba50 517 * @note This function is used with Memory devices
bcostm 4:137bb367ba50 518 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 519 * @param DevAddress: Target device address
bcostm 4:137bb367ba50 520 * @param Trials: Number of trials
bcostm 4:137bb367ba50 521 * @retval HAL status
bcostm 4:137bb367ba50 522 */
bcostm 4:137bb367ba50 523 static HAL_StatusTypeDef I2Cx_IsDeviceReady(I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials)
bcostm 4:137bb367ba50 524 {
bcostm 4:137bb367ba50 525 return (HAL_I2C_IsDeviceReady(i2c_handler, DevAddress, Trials, 1000));
bcostm 4:137bb367ba50 526 }
bcostm 4:137bb367ba50 527
bcostm 4:137bb367ba50 528 /**
bcostm 4:137bb367ba50 529 * @brief Manages error callback by re-initializing I2C.
bcostm 4:137bb367ba50 530 * @param i2c_handler : I2C handler
bcostm 4:137bb367ba50 531 * @param Addr: I2C Address
bcostm 4:137bb367ba50 532 * @retval None
bcostm 4:137bb367ba50 533 */
bcostm 4:137bb367ba50 534 static void I2Cx_Error(I2C_HandleTypeDef *i2c_handler, uint8_t Addr)
bcostm 4:137bb367ba50 535 {
bcostm 4:137bb367ba50 536 /* De-initialize the I2C communication bus */
bcostm 4:137bb367ba50 537 HAL_I2C_DeInit(i2c_handler);
bcostm 4:137bb367ba50 538
bcostm 4:137bb367ba50 539 /* Re-Initialize the I2C communication bus */
bcostm 4:137bb367ba50 540 I2Cx_Init(i2c_handler);
bcostm 4:137bb367ba50 541 }
bcostm 4:137bb367ba50 542
bcostm 4:137bb367ba50 543 /**
bcostm 4:137bb367ba50 544 * @}
bcostm 4:137bb367ba50 545 */
bcostm 4:137bb367ba50 546
bcostm 4:137bb367ba50 547 /*******************************************************************************
bcostm 4:137bb367ba50 548 LINK OPERATIONS
bcostm 4:137bb367ba50 549 *******************************************************************************/
bcostm 4:137bb367ba50 550 /******************************** LINK Sensors ********************************/
bcostm 4:137bb367ba50 551
bcostm 4:137bb367ba50 552 /**
bcostm 4:137bb367ba50 553 * @brief Initializes Sensors low level.
bcostm 4:137bb367ba50 554 * @retval None
bcostm 4:137bb367ba50 555 */
bcostm 4:137bb367ba50 556 void SENSOR_IO_Init(void)
bcostm 4:137bb367ba50 557 {
bcostm 4:137bb367ba50 558 I2Cx_Init(&hI2cHandler);
bcostm 4:137bb367ba50 559 }
bcostm 4:137bb367ba50 560
bcostm 4:137bb367ba50 561 /**
bcostm 4:137bb367ba50 562 * @brief DeInitializes Sensors low level.
bcostm 4:137bb367ba50 563 * @retval None
bcostm 4:137bb367ba50 564 */
bcostm 4:137bb367ba50 565 void SENSOR_IO_DeInit(void)
bcostm 4:137bb367ba50 566 {
bcostm 4:137bb367ba50 567 I2Cx_DeInit(&hI2cHandler);
bcostm 4:137bb367ba50 568 }
bcostm 4:137bb367ba50 569
bcostm 4:137bb367ba50 570 /**
bcostm 4:137bb367ba50 571 * @brief Writes a single data.
bcostm 4:137bb367ba50 572 * @param Addr: I2C address
bcostm 4:137bb367ba50 573 * @param Reg: Reg address
bcostm 4:137bb367ba50 574 * @param Value: Data to be written
bcostm 4:137bb367ba50 575 * @retval None
bcostm 4:137bb367ba50 576 */
bcostm 4:137bb367ba50 577 void SENSOR_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
bcostm 4:137bb367ba50 578 {
bcostm 4:137bb367ba50 579 I2Cx_WriteMultiple(&hI2cHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT,(uint8_t*)&Value, 1);
bcostm 4:137bb367ba50 580 }
bcostm 4:137bb367ba50 581
bcostm 4:137bb367ba50 582 /**
bcostm 4:137bb367ba50 583 * @brief Reads a single data.
bcostm 4:137bb367ba50 584 * @param Addr: I2C address
bcostm 4:137bb367ba50 585 * @param Reg: Reg address
bcostm 4:137bb367ba50 586 * @retval Data to be read
bcostm 4:137bb367ba50 587 */
bcostm 4:137bb367ba50 588 uint8_t SENSOR_IO_Read(uint8_t Addr, uint8_t Reg)
bcostm 4:137bb367ba50 589 {
bcostm 4:137bb367ba50 590 uint8_t read_value = 0;
bcostm 4:137bb367ba50 591
bcostm 4:137bb367ba50 592 I2Cx_ReadMultiple(&hI2cHandler, Addr, Reg, I2C_MEMADD_SIZE_8BIT, (uint8_t*)&read_value, 1);
bcostm 4:137bb367ba50 593
bcostm 4:137bb367ba50 594 return read_value;
bcostm 4:137bb367ba50 595 }
bcostm 4:137bb367ba50 596
bcostm 4:137bb367ba50 597 /**
bcostm 4:137bb367ba50 598 * @brief Reads multiple data with I2C communication
bcostm 4:137bb367ba50 599 * channel from TouchScreen.
bcostm 4:137bb367ba50 600 * @param Addr: I2C address
bcostm 4:137bb367ba50 601 * @param Reg: Register address
bcostm 4:137bb367ba50 602 * @param Buffer: Pointer to data buffer
bcostm 4:137bb367ba50 603 * @param Length: Length of the data
bcostm 4:137bb367ba50 604 * @retval HAL status
bcostm 4:137bb367ba50 605 */
bcostm 4:137bb367ba50 606 uint16_t SENSOR_IO_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
bcostm 4:137bb367ba50 607 {
bcostm 4:137bb367ba50 608 return I2Cx_ReadMultiple(&hI2cHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
bcostm 4:137bb367ba50 609 }
bcostm 4:137bb367ba50 610
bcostm 4:137bb367ba50 611 /**
bcostm 4:137bb367ba50 612 * @brief Writes multiple data with I2C communication
bcostm 4:137bb367ba50 613 * channel from MCU to TouchScreen.
bcostm 4:137bb367ba50 614 * @param Addr: I2C address
bcostm 4:137bb367ba50 615 * @param Reg: Register address
bcostm 4:137bb367ba50 616 * @param Buffer: Pointer to data buffer
bcostm 4:137bb367ba50 617 * @param Length: Length of the data
bcostm 4:137bb367ba50 618 * @retval None
bcostm 4:137bb367ba50 619 */
bcostm 4:137bb367ba50 620 void SENSOR_IO_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
bcostm 4:137bb367ba50 621 {
bcostm 4:137bb367ba50 622 I2Cx_WriteMultiple(&hI2cHandler, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, Buffer, Length);
bcostm 4:137bb367ba50 623 }
bcostm 4:137bb367ba50 624
bcostm 4:137bb367ba50 625 /**
bcostm 4:137bb367ba50 626 * @brief Checks if target device is ready for communication.
bcostm 4:137bb367ba50 627 * @note This function is used with Memory devices
bcostm 4:137bb367ba50 628 * @param DevAddress: Target device address
bcostm 4:137bb367ba50 629 * @param Trials: Number of trials
bcostm 4:137bb367ba50 630 * @retval HAL status
bcostm 4:137bb367ba50 631 */
bcostm 4:137bb367ba50 632 HAL_StatusTypeDef SENSOR_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
bcostm 4:137bb367ba50 633 {
bcostm 4:137bb367ba50 634 return (I2Cx_IsDeviceReady(&hI2cHandler, DevAddress, Trials));
bcostm 4:137bb367ba50 635 }
bcostm 4:137bb367ba50 636
bcostm 4:137bb367ba50 637 /**
bcostm 4:137bb367ba50 638 * @brief Delay function used in TouchScreen low level driver.
bcostm 4:137bb367ba50 639 * @param Delay: Delay in ms
bcostm 4:137bb367ba50 640 * @retval None
bcostm 4:137bb367ba50 641 */
bcostm 4:137bb367ba50 642 void SENSOR_IO_Delay(uint32_t Delay)
bcostm 4:137bb367ba50 643 {
bcostm 4:137bb367ba50 644 HAL_Delay(Delay);
bcostm 4:137bb367ba50 645 }
bcostm 4:137bb367ba50 646
bcostm 4:137bb367ba50 647 /**
bcostm 4:137bb367ba50 648 * @}
bcostm 4:137bb367ba50 649 */
bcostm 4:137bb367ba50 650
bcostm 4:137bb367ba50 651 /**
bcostm 4:137bb367ba50 652 * @}
bcostm 4:137bb367ba50 653 */
bcostm 4:137bb367ba50 654
bcostm 4:137bb367ba50 655 /**
bcostm 4:137bb367ba50 656 * @}
bcostm 4:137bb367ba50 657 */
bcostm 4:137bb367ba50 658
bcostm 4:137bb367ba50 659 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/