Deepti AST / Mbed 2 deprecated Environmental_sheild_F4

Environmental_Shield_F4_API

Dependencies:   mbed

Fork of Environmental_sheild_F4 by Sumit Johar

BSP/Nucleo-F401RE/nucleo-f401re.c@2:e88266f73a67, 2014-08-14 (annotated)

Committer:
Deepti
Date:
Thu Aug 14 05:25:37 2014 +0000
Revision:
2:e88266f73a67
Parent:
0:c3c9b1c8e3cb 
Environmental_Shield_F4_API

Who changed what in which revision?

UserRevisionLine numberNew contents of line
manoj123 0:c3c9b1c8e3cb 1 /**
manoj123 0:c3c9b1c8e3cb 2 ******************************************************************************
manoj123 0:c3c9b1c8e3cb 3 * @file nucleo-f401re.c
manoj123 0:c3c9b1c8e3cb 4 * @author MCD Application Team
manoj123 0:c3c9b1c8e3cb 5 * @version V1.0.0
manoj123 0:c3c9b1c8e3cb 6 * @date 22-April-2014
manoj123 0:c3c9b1c8e3cb 7 * @brief This file provides set of firmware functions to manage:
manoj123 0:c3c9b1c8e3cb 8 * - LEDs and push-button available on NUCLEO-F401RE Kit
manoj123 0:c3c9b1c8e3cb 9 * from STMicroelectronics
manoj123 0:c3c9b1c8e3cb 10 ******************************************************************************
manoj123 0:c3c9b1c8e3cb 11 * @attention
manoj123 0:c3c9b1c8e3cb 12 *
manoj123 0:c3c9b1c8e3cb 13 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
manoj123 0:c3c9b1c8e3cb 14 *
manoj123 0:c3c9b1c8e3cb 15 * Redistribution and use in source and binary forms, with or without modification,
manoj123 0:c3c9b1c8e3cb 16 * are permitted provided that the following conditions are met:
manoj123 0:c3c9b1c8e3cb 17 * 1. Redistributions of source code must retain the above copyright notice,
manoj123 0:c3c9b1c8e3cb 18 * this list of conditions and the following disclaimer.
manoj123 0:c3c9b1c8e3cb 19 * 2. Redistributions in binary form must reproduce the above copyright notice,
manoj123 0:c3c9b1c8e3cb 20 * this list of conditions and the following disclaimer in the documentation
manoj123 0:c3c9b1c8e3cb 21 * and/or other materials provided with the distribution.
manoj123 0:c3c9b1c8e3cb 22 * 3. Neither the name of STMicroelectronics nor the names of its contributors
manoj123 0:c3c9b1c8e3cb 23 * may be used to endorse or promote products derived from this software
manoj123 0:c3c9b1c8e3cb 24 * without specific prior written permission.
manoj123 0:c3c9b1c8e3cb 25 *
manoj123 0:c3c9b1c8e3cb 26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
manoj123 0:c3c9b1c8e3cb 27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
manoj123 0:c3c9b1c8e3cb 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
manoj123 0:c3c9b1c8e3cb 29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
manoj123 0:c3c9b1c8e3cb 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
manoj123 0:c3c9b1c8e3cb 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
manoj123 0:c3c9b1c8e3cb 32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
manoj123 0:c3c9b1c8e3cb 33 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
manoj123 0:c3c9b1c8e3cb 34 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
manoj123 0:c3c9b1c8e3cb 35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
manoj123 0:c3c9b1c8e3cb 36 *
manoj123 0:c3c9b1c8e3cb 37 ******************************************************************************
manoj123 0:c3c9b1c8e3cb 38 */
manoj123 0:c3c9b1c8e3cb 39
manoj123 0:c3c9b1c8e3cb 40 /* Includes ------------------------------------------------------------------*/
manoj123 0:c3c9b1c8e3cb 41 #include "nucleo-f401re.h"
manoj123 0:c3c9b1c8e3cb 42 //#include "cmsis_os.h"
manoj123 0:c3c9b1c8e3cb 43 //#include "stm32f4xx_hal.h"
manoj123 0:c3c9b1c8e3cb 44 //#include "stm32f4xx_hal_i2c.h"
manoj123 0:c3c9b1c8e3cb 45 //#include "stm32f4xx_hal_i2c_ex.h"
manoj123 0:c3c9b1c8e3cb 46
manoj123 0:c3c9b1c8e3cb 47
manoj123 0:c3c9b1c8e3cb 48 /** @addtogroup BSP
manoj123 0:c3c9b1c8e3cb 49 * @{
manoj123 0:c3c9b1c8e3cb 50 */
manoj123 0:c3c9b1c8e3cb 51
manoj123 0:c3c9b1c8e3cb 52 /** @addtogroup NUCLEO_F401RE
manoj123 0:c3c9b1c8e3cb 53 * @{
manoj123 0:c3c9b1c8e3cb 54 */
manoj123 0:c3c9b1c8e3cb 55
manoj123 0:c3c9b1c8e3cb 56 /** @addtogroup NUCLEO_F401RE_LOW_LEVEL
manoj123 0:c3c9b1c8e3cb 57 * @brief This file provides set of firmware functions to manage Leds and push-button
manoj123 0:c3c9b1c8e3cb 58 * available on NUCLEO-F401RE Kit from STMicroelectronics.
manoj123 0:c3c9b1c8e3cb 59 * @{
manoj123 0:c3c9b1c8e3cb 60 */
manoj123 0:c3c9b1c8e3cb 61
manoj123 0:c3c9b1c8e3cb 62 /** @defgroup NUCLEO_F401RE_LOW_LEVEL_Private_TypesDefinitions
manoj123 0:c3c9b1c8e3cb 63 * @{
manoj123 0:c3c9b1c8e3cb 64 */
manoj123 0:c3c9b1c8e3cb 65 /**
manoj123 0:c3c9b1c8e3cb 66 * @}
manoj123 0:c3c9b1c8e3cb 67 */
manoj123 0:c3c9b1c8e3cb 68
manoj123 0:c3c9b1c8e3cb 69
manoj123 0:c3c9b1c8e3cb 70 /** @defgroup NUCLEO_F401RE_LOW_LEVEL_Private_Defines
manoj123 0:c3c9b1c8e3cb 71 * @{
manoj123 0:c3c9b1c8e3cb 72 */
manoj123 0:c3c9b1c8e3cb 73
manoj123 0:c3c9b1c8e3cb 74 /**
manoj123 0:c3c9b1c8e3cb 75 * @brief STM32L0XX NUCLEO BSP Driver version number V1.0.0
manoj123 0:c3c9b1c8e3cb 76 */
manoj123 0:c3c9b1c8e3cb 77 #define __NUCLEO_F401RE_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */
manoj123 0:c3c9b1c8e3cb 78 #define __NUCLEO_F401RE_BSP_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
manoj123 0:c3c9b1c8e3cb 79 #define __NUCLEO_F401RE_BSP_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */
manoj123 0:c3c9b1c8e3cb 80 #define __NUCLEO_F401RE_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
manoj123 0:c3c9b1c8e3cb 81 #define __NUCLEO_F401RE_BSP_VERSION ((__NUCLEO_F401RE_BSP_VERSION_MAIN << 24)\
manoj123 0:c3c9b1c8e3cb 82 |(__NUCLEO_F401RE_BSP_VERSION_SUB1 << 16)\
manoj123 0:c3c9b1c8e3cb 83 |(__NUCLEO_F401RE_BSP_VERSION_SUB2 << 8 )\
manoj123 0:c3c9b1c8e3cb 84 |(__NUCLEO_F401RE_BSP_VERSION_RC))
manoj123 0:c3c9b1c8e3cb 85
manoj123 0:c3c9b1c8e3cb 86 /**
manoj123 0:c3c9b1c8e3cb 87 * @brief LINK SD Card
manoj123 0:c3c9b1c8e3cb 88 */
manoj123 0:c3c9b1c8e3cb 89 #define SD_DUMMY_BYTE 0xFF
manoj123 0:c3c9b1c8e3cb 90 #define SD_NO_RESPONSE_EXPECTED 0x80
manoj123 0:c3c9b1c8e3cb 91
manoj123 0:c3c9b1c8e3cb 92 /**
manoj123 0:c3c9b1c8e3cb 93 * @}
manoj123 0:c3c9b1c8e3cb 94 */
manoj123 0:c3c9b1c8e3cb 95
manoj123 0:c3c9b1c8e3cb 96 /** @defgroup NUCLEO_F401RE_LOW_LEVEL_Private_Macros
manoj123 0:c3c9b1c8e3cb 97 * @{
manoj123 0:c3c9b1c8e3cb 98 */
manoj123 0:c3c9b1c8e3cb 99 /**
manoj123 0:c3c9b1c8e3cb 100 * @}
manoj123 0:c3c9b1c8e3cb 101 */
manoj123 0:c3c9b1c8e3cb 102
manoj123 0:c3c9b1c8e3cb 103 /** @defgroup NUCLEO_F401RE_LOW_LEVEL_Private_Variables
manoj123 0:c3c9b1c8e3cb 104 * @{
manoj123 0:c3c9b1c8e3cb 105 */
manoj123 0:c3c9b1c8e3cb 106 GPIO_TypeDef* GPIO_PORT[LEDn] = {LED2_GPIO_PORT};
manoj123 0:c3c9b1c8e3cb 107
manoj123 0:c3c9b1c8e3cb 108 const uint16_t GPIO_PIN[LEDn] = {LED2_PIN};
manoj123 0:c3c9b1c8e3cb 109
manoj123 0:c3c9b1c8e3cb 110 GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {KEY_BUTTON_GPIO_PORT};
manoj123 0:c3c9b1c8e3cb 111 const uint16_t BUTTON_PIN[BUTTONn] = {KEY_BUTTON_PIN};
manoj123 0:c3c9b1c8e3cb 112 const uint16_t BUTTON_IRQn[BUTTONn] = {KEY_BUTTON_EXTI_IRQn};
manoj123 0:c3c9b1c8e3cb 113
manoj123 0:c3c9b1c8e3cb 114 /**
manoj123 0:c3c9b1c8e3cb 115 * @brief BUS variables
manoj123 0:c3c9b1c8e3cb 116 */
manoj123 0:c3c9b1c8e3cb 117
manoj123 0:c3c9b1c8e3cb 118 //uint32_t SpixTimeout = NUCLEO_SPIx_TIMEOUT_MAX; /*<! Value of Timeout when SPI communication fails */
manoj123 0:c3c9b1c8e3cb 119 //static SPI_HandleTypeDef hnucleo_Spi;
manoj123 0:c3c9b1c8e3cb 120 //static ADC_HandleTypeDef hnucleo_Adc;
manoj123 0:c3c9b1c8e3cb 121
manoj123 0:c3c9b1c8e3cb 122 /* ADC channel configuration structure declaration */
manoj123 0:c3c9b1c8e3cb 123 //static ADC_ChannelConfTypeDef sConfig;
manoj123 0:c3c9b1c8e3cb 124
manoj123 0:c3c9b1c8e3cb 125 /**
manoj123 0:c3c9b1c8e3cb 126 * @}
manoj123 0:c3c9b1c8e3cb 127 */
manoj123 0:c3c9b1c8e3cb 128
manoj123 0:c3c9b1c8e3cb 129 uint32_t I2C_SHIELDS_Timeout = NUCLEO_I2C_SHIELDS_TIMEOUT_MAX; /*<! Value of Timeout when I2C communication fails */
manoj123 0:c3c9b1c8e3cb 130
manoj123 0:c3c9b1c8e3cb 131 static I2C_HandleTypeDef I2C_SHIELDS_Handle;
manoj123 0:c3c9b1c8e3cb 132
manoj123 0:c3c9b1c8e3cb 133 //osMutexId I2C1_Mutex_id = 0;
manoj123 0:c3c9b1c8e3cb 134
manoj123 0:c3c9b1c8e3cb 135 /** @defgroup NUCLEO_F401RE_LOW_LEVEL_Private_FunctionPrototypes
manoj123 0:c3c9b1c8e3cb 136 * @{
manoj123 0:c3c9b1c8e3cb 137 */
manoj123 0:c3c9b1c8e3cb 138
manoj123 0:c3c9b1c8e3cb 139 /* Link function for PRESSURE peripheral */
manoj123 0:c3c9b1c8e3cb 140 void PRESSURE_IO_Init(void);
manoj123 0:c3c9b1c8e3cb 141 void PRESSURE_IO_ITConfig(void);
manoj123 0:c3c9b1c8e3cb 142 void PRESSURE_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t WriteAddr, uint16_t NumByteToWrite);
manoj123 0:c3c9b1c8e3cb 143 void PRESSURE_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead);
manoj123 0:c3c9b1c8e3cb 144
manoj123 0:c3c9b1c8e3cb 145 /* Link function for UV peripheral */
manoj123 0:c3c9b1c8e3cb 146 void UV_IO_Init(void);
manoj123 0:c3c9b1c8e3cb 147 void UV_IO_ITConfig(void);
manoj123 0:c3c9b1c8e3cb 148 void UV_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t WriteAddr, uint16_t NumByteToWrite);
manoj123 0:c3c9b1c8e3cb 149 void UV_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead);
manoj123 0:c3c9b1c8e3cb 150
manoj123 0:c3c9b1c8e3cb 151 /* Link function for HUM_TEMP peripheral */
manoj123 0:c3c9b1c8e3cb 152 void HUM_TEMP_IO_Init(void);
manoj123 0:c3c9b1c8e3cb 153 void HUM_TEMP_IO_ITConfig(void);
manoj123 0:c3c9b1c8e3cb 154 void HUM_TEMP_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t WriteAddr, uint16_t NumByteToWrite);
manoj123 0:c3c9b1c8e3cb 155 void HUM_TEMP_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead);
manoj123 0:c3c9b1c8e3cb 156
manoj123 0:c3c9b1c8e3cb 157
manoj123 0:c3c9b1c8e3cb 158 static void I2C_SHIELDS_MspInit(void);
manoj123 0:c3c9b1c8e3cb 159 static void I2C_SHIELDS_Error(uint8_t Addr);
manoj123 0:c3c9b1c8e3cb 160
manoj123 0:c3c9b1c8e3cb 161 /**
manoj123 0:c3c9b1c8e3cb 162 * @}
manoj123 0:c3c9b1c8e3cb 163 */
manoj123 0:c3c9b1c8e3cb 164
manoj123 0:c3c9b1c8e3cb 165 /** @defgroup NUCLEO_F401RE_LOW_LEVEL_Private_Functions
manoj123 0:c3c9b1c8e3cb 166 * @{
manoj123 0:c3c9b1c8e3cb 167 */
manoj123 0:c3c9b1c8e3cb 168
manoj123 0:c3c9b1c8e3cb 169 /**
manoj123 0:c3c9b1c8e3cb 170 * @brief This method returns the STM32L0XX NUCLEO BSP Driver revision
manoj123 0:c3c9b1c8e3cb 171 * @param None
manoj123 0:c3c9b1c8e3cb 172 * @retval version : 0xXYZR (8bits for each decimal, R for RC)
manoj123 0:c3c9b1c8e3cb 173 */
manoj123 0:c3c9b1c8e3cb 174 uint32_t BSP_GetVersion(void)
manoj123 0:c3c9b1c8e3cb 175 {
manoj123 0:c3c9b1c8e3cb 176 return __NUCLEO_F401RE_BSP_VERSION;
manoj123 0:c3c9b1c8e3cb 177 }
manoj123 0:c3c9b1c8e3cb 178
manoj123 0:c3c9b1c8e3cb 179
manoj123 0:c3c9b1c8e3cb 180 /**
manoj123 0:c3c9b1c8e3cb 181 * @brief Configures Button GPIO and EXTI Line.
manoj123 0:c3c9b1c8e3cb 182 * @param Button: Specifies the Button to be configured.
manoj123 0:c3c9b1c8e3cb 183 * This parameter should be: BUTTON_KEY
manoj123 0:c3c9b1c8e3cb 184 * @param ButtonMode: Specifies Button mode.
manoj123 0:c3c9b1c8e3cb 185 * This parameter can be one of following parameters:
manoj123 0:c3c9b1c8e3cb 186 * @arg BUTTON_MODE_GPIO: Button will be used as simple IO
manoj123 0:c3c9b1c8e3cb 187 * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
manoj123 0:c3c9b1c8e3cb 188 * generation capability
manoj123 0:c3c9b1c8e3cb 189 * @retval None
manoj123 0:c3c9b1c8e3cb 190 */
manoj123 0:c3c9b1c8e3cb 191 void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode)
manoj123 0:c3c9b1c8e3cb 192 {
manoj123 0:c3c9b1c8e3cb 193 GPIO_InitTypeDef GPIO_InitStruct;
manoj123 0:c3c9b1c8e3cb 194
manoj123 0:c3c9b1c8e3cb 195 /* Enable the BUTTON Clock */
manoj123 0:c3c9b1c8e3cb 196 BUTTONx_GPIO_CLK_ENABLE(Button);
manoj123 0:c3c9b1c8e3cb 197 __SYSCFG_CLK_ENABLE();
manoj123 0:c3c9b1c8e3cb 198
manoj123 0:c3c9b1c8e3cb 199 if(Button_Mode == BUTTON_MODE_GPIO)
manoj123 0:c3c9b1c8e3cb 200 {
manoj123 0:c3c9b1c8e3cb 201 /* Configure Button pin as input */
manoj123 0:c3c9b1c8e3cb 202 GPIO_InitStruct.Pin = BUTTON_PIN[Button];
manoj123 0:c3c9b1c8e3cb 203 GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
manoj123 0:c3c9b1c8e3cb 204 GPIO_InitStruct.Pull = GPIO_NOPULL;
manoj123 0:c3c9b1c8e3cb 205 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
manoj123 0:c3c9b1c8e3cb 206
manoj123 0:c3c9b1c8e3cb 207 HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
manoj123 0:c3c9b1c8e3cb 208 }
manoj123 0:c3c9b1c8e3cb 209
manoj123 0:c3c9b1c8e3cb 210 if(Button_Mode == BUTTON_MODE_EXTI)
manoj123 0:c3c9b1c8e3cb 211 {
manoj123 0:c3c9b1c8e3cb 212 /* Configure Button pin as input with External interrupt */
manoj123 0:c3c9b1c8e3cb 213 GPIO_InitStruct.Pin = BUTTON_PIN[Button];
manoj123 0:c3c9b1c8e3cb 214 GPIO_InitStruct.Pull = GPIO_NOPULL;
manoj123 0:c3c9b1c8e3cb 215 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
manoj123 0:c3c9b1c8e3cb 216 GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
manoj123 0:c3c9b1c8e3cb 217 HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
manoj123 0:c3c9b1c8e3cb 218
manoj123 0:c3c9b1c8e3cb 219 /* Enable and set Button EXTI Interrupt to the lowest priority */
manoj123 0:c3c9b1c8e3cb 220 NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x03);
manoj123 0:c3c9b1c8e3cb 221 HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
manoj123 0:c3c9b1c8e3cb 222 }
manoj123 0:c3c9b1c8e3cb 223 }
manoj123 0:c3c9b1c8e3cb 224
manoj123 0:c3c9b1c8e3cb 225 /**
manoj123 0:c3c9b1c8e3cb 226 * @brief Returns the selected Button state.
manoj123 0:c3c9b1c8e3cb 227 * @param Button: Specifies the Button to be checked.
manoj123 0:c3c9b1c8e3cb 228 * This parameter should be: BUTTON_KEY
manoj123 0:c3c9b1c8e3cb 229 * @retval The Button GPIO pin value.
manoj123 0:c3c9b1c8e3cb 230 */
manoj123 0:c3c9b1c8e3cb 231 uint32_t BSP_PB_GetState(Button_TypeDef Button)
manoj123 0:c3c9b1c8e3cb 232 {
manoj123 0:c3c9b1c8e3cb 233 return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
manoj123 0:c3c9b1c8e3cb 234 }
manoj123 0:c3c9b1c8e3cb 235
manoj123 0:c3c9b1c8e3cb 236 /******************************* I2C Routines**********************************/
manoj123 0:c3c9b1c8e3cb 237 /**
manoj123 0:c3c9b1c8e3cb 238 * @brief Configures I2C interface.
manoj123 0:c3c9b1c8e3cb 239 * @param None
manoj123 0:c3c9b1c8e3cb 240 * @retval None
manoj123 0:c3c9b1c8e3cb 241 */
manoj123 0:c3c9b1c8e3cb 242 static void I2C_SHIELDS_Init(void)
manoj123 0:c3c9b1c8e3cb 243 {
manoj123 0:c3c9b1c8e3cb 244 if(HAL_I2C_GetState(&I2C_SHIELDS_Handle) == HAL_I2C_STATE_RESET)
manoj123 0:c3c9b1c8e3cb 245 {
manoj123 0:c3c9b1c8e3cb 246 /* I2C_SHIELDS peripheral configuration */
manoj123 0:c3c9b1c8e3cb 247 I2C_SHIELDS_Handle.Init.ClockSpeed = NUCLEO_I2C_SHIELDS_SPEED;
manoj123 0:c3c9b1c8e3cb 248 I2C_SHIELDS_Handle.Init.DutyCycle = I2C_DUTYCYCLE_2;
manoj123 0:c3c9b1c8e3cb 249 I2C_SHIELDS_Handle.Init.OwnAddress1 = 0x33;
manoj123 0:c3c9b1c8e3cb 250 I2C_SHIELDS_Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
manoj123 0:c3c9b1c8e3cb 251 I2C_SHIELDS_Handle.Instance = NUCLEO_I2C_SHIELDS;
manoj123 0:c3c9b1c8e3cb 252
manoj123 0:c3c9b1c8e3cb 253 /* Init the I2C */
manoj123 0:c3c9b1c8e3cb 254 I2C_SHIELDS_MspInit();
manoj123 0:c3c9b1c8e3cb 255 HAL_I2C_Init(&I2C_SHIELDS_Handle);
manoj123 0:c3c9b1c8e3cb 256 }
manoj123 0:c3c9b1c8e3cb 257 }
manoj123 0:c3c9b1c8e3cb 258
manoj123 0:c3c9b1c8e3cb 259 /**
manoj123 0:c3c9b1c8e3cb 260 * @brief Write a value in a register of the device through BUS.
manoj123 0:c3c9b1c8e3cb 261 * @param Addr: Device address on BUS Bus.
manoj123 0:c3c9b1c8e3cb 262 * @param Reg: The target register address to write
manoj123 0:c3c9b1c8e3cb 263 * @param Value: The target register value to be written
manoj123 0:c3c9b1c8e3cb 264 * @retval HAL status
manoj123 0:c3c9b1c8e3cb 265 */
manoj123 0:c3c9b1c8e3cb 266
manoj123 0:c3c9b1c8e3cb 267 static void I2C_SHIELDS_WriteData(uint8_t* pBuffer, uint8_t Addr, uint8_t Reg, uint16_t Size)
manoj123 0:c3c9b1c8e3cb 268 {
manoj123 0:c3c9b1c8e3cb 269 HAL_StatusTypeDef status = HAL_OK;
manoj123 0:c3c9b1c8e3cb 270
manoj123 0:c3c9b1c8e3cb 271 status = HAL_I2C_Mem_Write(&I2C_SHIELDS_Handle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, pBuffer, Size, I2C_SHIELDS_Timeout);
manoj123 0:c3c9b1c8e3cb 272
manoj123 0:c3c9b1c8e3cb 273 /* Check the communication status */
manoj123 0:c3c9b1c8e3cb 274 if(status != HAL_OK)
manoj123 0:c3c9b1c8e3cb 275 {
manoj123 0:c3c9b1c8e3cb 276 /* Execute user timeout callback */
manoj123 0:c3c9b1c8e3cb 277 I2C_SHIELDS_Error(Addr);
manoj123 0:c3c9b1c8e3cb 278 }
manoj123 0:c3c9b1c8e3cb 279 }
manoj123 0:c3c9b1c8e3cb 280
manoj123 0:c3c9b1c8e3cb 281 /**
manoj123 0:c3c9b1c8e3cb 282 * @brief Read a register of the device through BUS
manoj123 0:c3c9b1c8e3cb 283 * @param Addr: Device address on BUS .
manoj123 0:c3c9b1c8e3cb 284 * @param Reg: The target register address to read
manoj123 0:c3c9b1c8e3cb 285 * @retval HAL status
manoj123 0:c3c9b1c8e3cb 286 */
manoj123 0:c3c9b1c8e3cb 287 static void I2C_SHIELDS_ReadData(uint8_t* pBuffer, uint8_t Addr, uint8_t Reg, uint16_t Size)
manoj123 0:c3c9b1c8e3cb 288 {
manoj123 0:c3c9b1c8e3cb 289 HAL_StatusTypeDef status = HAL_OK;
manoj123 0:c3c9b1c8e3cb 290
manoj123 0:c3c9b1c8e3cb 291 status = HAL_I2C_Mem_Read(&I2C_SHIELDS_Handle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, pBuffer, Size, I2C_SHIELDS_Timeout);
manoj123 0:c3c9b1c8e3cb 292
manoj123 0:c3c9b1c8e3cb 293 /* Check the communication status */
manoj123 0:c3c9b1c8e3cb 294 if(status != HAL_OK)
manoj123 0:c3c9b1c8e3cb 295 {
manoj123 0:c3c9b1c8e3cb 296 /* Execute user timeout callback */
manoj123 0:c3c9b1c8e3cb 297 I2C_SHIELDS_Error(Addr);
manoj123 0:c3c9b1c8e3cb 298 }
manoj123 0:c3c9b1c8e3cb 299
manoj123 0:c3c9b1c8e3cb 300 }
manoj123 0:c3c9b1c8e3cb 301
manoj123 0:c3c9b1c8e3cb 302 /**
manoj123 0:c3c9b1c8e3cb 303 * @brief Manages error callback by re-initializing I2C.
manoj123 0:c3c9b1c8e3cb 304 * @param Addr: I2C Address
manoj123 0:c3c9b1c8e3cb 305 * @retval None
manoj123 0:c3c9b1c8e3cb 306 */
manoj123 0:c3c9b1c8e3cb 307 static void I2C_SHIELDS_Error(uint8_t Addr)
manoj123 0:c3c9b1c8e3cb 308 {
manoj123 0:c3c9b1c8e3cb 309 /* De-initialize the I2C comunication bus */
manoj123 0:c3c9b1c8e3cb 310 HAL_I2C_DeInit(&I2C_SHIELDS_Handle);
manoj123 0:c3c9b1c8e3cb 311
manoj123 0:c3c9b1c8e3cb 312 /* Re-Initiaize the I2C comunication bus */
manoj123 0:c3c9b1c8e3cb 313 I2C_SHIELDS_Init();
manoj123 0:c3c9b1c8e3cb 314 }
manoj123 0:c3c9b1c8e3cb 315
manoj123 0:c3c9b1c8e3cb 316 /**
manoj123 0:c3c9b1c8e3cb 317 * @brief I2C MSP Initialization
manoj123 0:c3c9b1c8e3cb 318 * @param None
manoj123 0:c3c9b1c8e3cb 319 * @retval None
manoj123 0:c3c9b1c8e3cb 320 */
manoj123 0:c3c9b1c8e3cb 321 static void I2C_SHIELDS_MspInit(void)
manoj123 0:c3c9b1c8e3cb 322 {
manoj123 0:c3c9b1c8e3cb 323 GPIO_InitTypeDef GPIO_InitStruct;
manoj123 0:c3c9b1c8e3cb 324
manoj123 0:c3c9b1c8e3cb 325 /*if(!NUCLEO_I2C_SHIELDS_MUTEX) {
manoj123 0:c3c9b1c8e3cb 326 NUCLEO_I2C_SHIELDS_MUTEX = osMutexCreate(0);
manoj123 0:c3c9b1c8e3cb 327 }*/
manoj123 0:c3c9b1c8e3cb 328 /* Enable I2C GPIO clocks */
manoj123 0:c3c9b1c8e3cb 329 NUCLEO_I2C_SHIELDS_SCL_SDA_GPIO_CLK_ENABLE();
manoj123 0:c3c9b1c8e3cb 330
manoj123 0:c3c9b1c8e3cb 331 /* I2C_SHIELDS SCL and SDA pins configuration -------------------------------------*/
manoj123 0:c3c9b1c8e3cb 332 GPIO_InitStruct.Pin = NUCLEO_I2C_SHIELDS_SCL_PIN | NUCLEO_I2C_SHIELDS_SDA_PIN;
manoj123 0:c3c9b1c8e3cb 333 GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
manoj123 0:c3c9b1c8e3cb 334 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
manoj123 0:c3c9b1c8e3cb 335 GPIO_InitStruct.Pull = GPIO_NOPULL;
manoj123 0:c3c9b1c8e3cb 336 GPIO_InitStruct.Alternate = NUCLEO_I2C_SHIELDS_SCL_SDA_AF;
manoj123 0:c3c9b1c8e3cb 337 HAL_GPIO_Init(NUCLEO_I2C_SHIELDS_SCL_SDA_GPIO_PORT, &GPIO_InitStruct);
manoj123 0:c3c9b1c8e3cb 338
manoj123 0:c3c9b1c8e3cb 339 /* Enable the I2C_SHIELDS peripheral clock */
manoj123 0:c3c9b1c8e3cb 340 NUCLEO_I2C_SHIELDS_CLK_ENABLE();
manoj123 0:c3c9b1c8e3cb 341
manoj123 0:c3c9b1c8e3cb 342 /* Force the I2C peripheral clock reset */
manoj123 0:c3c9b1c8e3cb 343 NUCLEO_I2C_SHIELDS_FORCE_RESET();
manoj123 0:c3c9b1c8e3cb 344
manoj123 0:c3c9b1c8e3cb 345 /* Release the I2C peripheral clock reset */
manoj123 0:c3c9b1c8e3cb 346 NUCLEO_I2C_SHIELDS_RELEASE_RESET();
manoj123 0:c3c9b1c8e3cb 347
manoj123 0:c3c9b1c8e3cb 348 /* Enable and set I2C_SHIELDS Interrupt to the highest priority */
manoj123 0:c3c9b1c8e3cb 349 HAL_NVIC_SetPriority(NUCLEO_I2C_SHIELDS_EV_IRQn, 0, 0);
manoj123 0:c3c9b1c8e3cb 350 HAL_NVIC_EnableIRQ(NUCLEO_I2C_SHIELDS_EV_IRQn);
manoj123 0:c3c9b1c8e3cb 351
manoj123 0:c3c9b1c8e3cb 352 /* Enable and set I2C_SHIELDS Interrupt to the highest priority */
manoj123 0:c3c9b1c8e3cb 353 HAL_NVIC_SetPriority(NUCLEO_I2C_SHIELDS_ER_IRQn, 0, 0);
manoj123 0:c3c9b1c8e3cb 354 HAL_NVIC_EnableIRQ(NUCLEO_I2C_SHIELDS_ER_IRQn);
manoj123 0:c3c9b1c8e3cb 355 }
manoj123 0:c3c9b1c8e3cb 356
manoj123 0:c3c9b1c8e3cb 357
manoj123 0:c3c9b1c8e3cb 358 /********************************* LINK PRESSURE *****************************/
manoj123 0:c3c9b1c8e3cb 359 /**
manoj123 0:c3c9b1c8e3cb 360 * @brief Configures Pressure I2C interface.
manoj123 0:c3c9b1c8e3cb 361 * @param None
manoj123 0:c3c9b1c8e3cb 362 * @retval None
manoj123 0:c3c9b1c8e3cb 363 */
manoj123 0:c3c9b1c8e3cb 364 void PRESSURE_IO_Init(void)
manoj123 0:c3c9b1c8e3cb 365 {
manoj123 0:c3c9b1c8e3cb 366 I2C_SHIELDS_Init();
manoj123 0:c3c9b1c8e3cb 367 }
manoj123 0:c3c9b1c8e3cb 368
manoj123 0:c3c9b1c8e3cb 369 /**
manoj123 0:c3c9b1c8e3cb 370 * @brief Writes a buffer to the Pressure sensor.
manoj123 0:c3c9b1c8e3cb 371 * @param pBuffer: pointer to data to be written.
manoj123 0:c3c9b1c8e3cb 372 * @param DeviceAddr: specifies the slave address to be programmed.
manoj123 0:c3c9b1c8e3cb 373 * @param RegisterAddr: specifies the Pressure register to be written.
manoj123 0:c3c9b1c8e3cb 374 * @param NumByteToWrite: number of bytes to be written.
manoj123 0:c3c9b1c8e3cb 375 * @retval None.
manoj123 0:c3c9b1c8e3cb 376 */
manoj123 0:c3c9b1c8e3cb 377 void PRESSURE_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToWrite)
manoj123 0:c3c9b1c8e3cb 378 {
manoj123 0:c3c9b1c8e3cb 379 //NUCLEO_I2C_SHIELDS_MUTEX_TAKE();
manoj123 0:c3c9b1c8e3cb 380 /* call I2C_SHIELDS Read data bus function */
manoj123 0:c3c9b1c8e3cb 381 I2C_SHIELDS_WriteData(pBuffer, DeviceAddr, RegisterAddr, NumByteToWrite);
manoj123 0:c3c9b1c8e3cb 382 //NUCLEO_I2C_SHIELDS_MUTEX_RELEASE();
manoj123 0:c3c9b1c8e3cb 383 }
manoj123 0:c3c9b1c8e3cb 384
manoj123 0:c3c9b1c8e3cb 385 /**
manoj123 0:c3c9b1c8e3cb 386 * @brief Reads a buffer from the Pressure sensor.
manoj123 0:c3c9b1c8e3cb 387 * @param pBuffer: pointer to data to be read.
manoj123 0:c3c9b1c8e3cb 388 * @param DeviceAddr: specifies the address of the device.
manoj123 0:c3c9b1c8e3cb 389 * @param RegisterAddr: specifies the Pressure internal address register to read from.
manoj123 0:c3c9b1c8e3cb 390 * @param NumByteToRead: number of bytes to be read.
manoj123 0:c3c9b1c8e3cb 391 * @retval None.
manoj123 0:c3c9b1c8e3cb 392 */
manoj123 0:c3c9b1c8e3cb 393 void PRESSURE_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead)
manoj123 0:c3c9b1c8e3cb 394 {
manoj123 0:c3c9b1c8e3cb 395 //NUCLEO_I2C_SHIELDS_MUTEX_TAKE();
manoj123 0:c3c9b1c8e3cb 396 /* call I2C_SHIELDS Read data bus function */
manoj123 0:c3c9b1c8e3cb 397 I2C_SHIELDS_ReadData(pBuffer, DeviceAddr, RegisterAddr, NumByteToRead);
manoj123 0:c3c9b1c8e3cb 398 //NUCLEO_I2C_SHIELDS_MUTEX_RELEASE();
manoj123 0:c3c9b1c8e3cb 399 }
manoj123 0:c3c9b1c8e3cb 400
manoj123 0:c3c9b1c8e3cb 401
manoj123 0:c3c9b1c8e3cb 402
manoj123 0:c3c9b1c8e3cb 403
manoj123 0:c3c9b1c8e3cb 404 /********************************* LINK UVI *****************************/
manoj123 0:c3c9b1c8e3cb 405 /**
manoj123 0:c3c9b1c8e3cb 406 * @brief Configures Uvi I2C interface.
manoj123 0:c3c9b1c8e3cb 407 * @param None
manoj123 0:c3c9b1c8e3cb 408 * @retval None
manoj123 0:c3c9b1c8e3cb 409 */
manoj123 0:c3c9b1c8e3cb 410 void UV_IO_Init(void)
manoj123 0:c3c9b1c8e3cb 411 {
manoj123 0:c3c9b1c8e3cb 412 I2C_SHIELDS_Init();
manoj123 0:c3c9b1c8e3cb 413 }
manoj123 0:c3c9b1c8e3cb 414
manoj123 0:c3c9b1c8e3cb 415 /**
manoj123 0:c3c9b1c8e3cb 416 * @brief Writes a buffer to the Uvi sensor.
manoj123 0:c3c9b1c8e3cb 417 * @param pBuffer: pointer to data to be written.
manoj123 0:c3c9b1c8e3cb 418 * @param DeviceAddr: specifies the slave address to be programmed.
manoj123 0:c3c9b1c8e3cb 419 * @param RegisterAddr: specifies the Pressure register to be written.
manoj123 0:c3c9b1c8e3cb 420 * @param NumByteToWrite: number of bytes to be written.
manoj123 0:c3c9b1c8e3cb 421 * @retval None.
manoj123 0:c3c9b1c8e3cb 422 */
manoj123 0:c3c9b1c8e3cb 423 void UV_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToWrite)
manoj123 0:c3c9b1c8e3cb 424 {
manoj123 0:c3c9b1c8e3cb 425 //NUCLEO_I2C_SHIELDS_MUTEX_TAKE();
manoj123 0:c3c9b1c8e3cb 426 /* call I2C_SHIELDS Read data bus function */
manoj123 0:c3c9b1c8e3cb 427 I2C_SHIELDS_WriteData(pBuffer, DeviceAddr, RegisterAddr, NumByteToWrite);
manoj123 0:c3c9b1c8e3cb 428 //NUCLEO_I2C_SHIELDS_MUTEX_RELEASE();
manoj123 0:c3c9b1c8e3cb 429 }
manoj123 0:c3c9b1c8e3cb 430
manoj123 0:c3c9b1c8e3cb 431 /**
manoj123 0:c3c9b1c8e3cb 432 * @brief Reads a buffer from the Uvi sensor.
manoj123 0:c3c9b1c8e3cb 433 * @param pBuffer: pointer to data to be read.
manoj123 0:c3c9b1c8e3cb 434 * @param DeviceAddr: specifies the address of the device.
manoj123 0:c3c9b1c8e3cb 435 * @param RegisterAddr: specifies the Pressure internal address register to read from.
manoj123 0:c3c9b1c8e3cb 436 * @param NumByteToRead: number of bytes to be read.
manoj123 0:c3c9b1c8e3cb 437 * @retval None.
manoj123 0:c3c9b1c8e3cb 438 */
manoj123 0:c3c9b1c8e3cb 439 void UV_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead)
manoj123 0:c3c9b1c8e3cb 440 {
manoj123 0:c3c9b1c8e3cb 441 //NUCLEO_I2C_SHIELDS_MUTEX_TAKE();
manoj123 0:c3c9b1c8e3cb 442 /* call I2C_SHIELDS Read data bus function */
manoj123 0:c3c9b1c8e3cb 443 I2C_SHIELDS_ReadData(pBuffer, DeviceAddr, RegisterAddr, NumByteToRead);
manoj123 0:c3c9b1c8e3cb 444 //NUCLEO_I2C_SHIELDS_MUTEX_RELEASE();
manoj123 0:c3c9b1c8e3cb 445 }
manoj123 0:c3c9b1c8e3cb 446
manoj123 0:c3c9b1c8e3cb 447
manoj123 0:c3c9b1c8e3cb 448
manoj123 0:c3c9b1c8e3cb 449
manoj123 0:c3c9b1c8e3cb 450
manoj123 0:c3c9b1c8e3cb 451 /********************************* LINK HUM_TEMP *****************************/
manoj123 0:c3c9b1c8e3cb 452 /**
manoj123 0:c3c9b1c8e3cb 453 * @brief Configures Uvi I2C interface.
manoj123 0:c3c9b1c8e3cb 454 * @param None
manoj123 0:c3c9b1c8e3cb 455 * @retval None
manoj123 0:c3c9b1c8e3cb 456 */
manoj123 0:c3c9b1c8e3cb 457 void HUM_TEMP_IO_Init(void)
manoj123 0:c3c9b1c8e3cb 458 {
manoj123 0:c3c9b1c8e3cb 459 I2C_SHIELDS_Init();
manoj123 0:c3c9b1c8e3cb 460 }
manoj123 0:c3c9b1c8e3cb 461
manoj123 0:c3c9b1c8e3cb 462 /**
manoj123 0:c3c9b1c8e3cb 463 * @brief Writes a buffer to the Uvi sensor.
manoj123 0:c3c9b1c8e3cb 464 * @param pBuffer: pointer to data to be written.
manoj123 0:c3c9b1c8e3cb 465 * @param DeviceAddr: specifies the slave address to be programmed.
manoj123 0:c3c9b1c8e3cb 466 * @param RegisterAddr: specifies the Pressure register to be written.
manoj123 0:c3c9b1c8e3cb 467 * @param NumByteToWrite: number of bytes to be written.
manoj123 0:c3c9b1c8e3cb 468 * @retval None.
manoj123 0:c3c9b1c8e3cb 469 */
manoj123 0:c3c9b1c8e3cb 470 void HUM_TEMP_IO_Write(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToWrite)
manoj123 0:c3c9b1c8e3cb 471 {
manoj123 0:c3c9b1c8e3cb 472 //NUCLEO_I2C_SHIELDS_MUTEX_TAKE();
manoj123 0:c3c9b1c8e3cb 473 /* call I2C_SHIELDS Read data bus function */
manoj123 0:c3c9b1c8e3cb 474 I2C_SHIELDS_WriteData(pBuffer, DeviceAddr, RegisterAddr, NumByteToWrite);
manoj123 0:c3c9b1c8e3cb 475 //NUCLEO_I2C_SHIELDS_MUTEX_RELEASE();
manoj123 0:c3c9b1c8e3cb 476 }
manoj123 0:c3c9b1c8e3cb 477
manoj123 0:c3c9b1c8e3cb 478 /**
manoj123 0:c3c9b1c8e3cb 479 * @brief Reads a buffer from the Uvi sensor.
manoj123 0:c3c9b1c8e3cb 480 * @param pBuffer: pointer to data to be read.
manoj123 0:c3c9b1c8e3cb 481 * @param DeviceAddr: specifies the address of the device.
manoj123 0:c3c9b1c8e3cb 482 * @param RegisterAddr: specifies the Pressure internal address register to read from.
manoj123 0:c3c9b1c8e3cb 483 * @param NumByteToRead: number of bytes to be read.
manoj123 0:c3c9b1c8e3cb 484 * @retval None.
manoj123 0:c3c9b1c8e3cb 485 */
manoj123 0:c3c9b1c8e3cb 486 void HUM_TEMP_IO_Read(uint8_t* pBuffer, uint8_t DeviceAddr, uint8_t RegisterAddr, uint16_t NumByteToRead)
manoj123 0:c3c9b1c8e3cb 487 {
manoj123 0:c3c9b1c8e3cb 488 //NUCLEO_I2C_SHIELDS_MUTEX_TAKE();
manoj123 0:c3c9b1c8e3cb 489 /* call I2C_SHIELDS Read data bus function */
manoj123 0:c3c9b1c8e3cb 490 I2C_SHIELDS_ReadData(pBuffer, DeviceAddr, RegisterAddr, NumByteToRead);
manoj123 0:c3c9b1c8e3cb 491 //NUCLEO_I2C_SHIELDS_MUTEX_RELEASE();
manoj123 0:c3c9b1c8e3cb 492 }
manoj123 0:c3c9b1c8e3cb 493
manoj123 0:c3c9b1c8e3cb 494 /**
manoj123 0:c3c9b1c8e3cb 495 * @}
manoj123 0:c3c9b1c8e3cb 496 */
manoj123 0:c3c9b1c8e3cb 497
manoj123 0:c3c9b1c8e3cb 498 /**
manoj123 0:c3c9b1c8e3cb 499 * @}
manoj123 0:c3c9b1c8e3cb 500 */
manoj123 0:c3c9b1c8e3cb 501
manoj123 0:c3c9b1c8e3cb 502 /**
manoj123 0:c3c9b1c8e3cb 503 * @}
manoj123 0:c3c9b1c8e3cb 504 */
manoj123 0:c3c9b1c8e3cb 505
manoj123 0:c3c9b1c8e3cb 506 /**
manoj123 0:c3c9b1c8e3cb 507 * @}
manoj123 0:c3c9b1c8e3cb 508 */
manoj123 0:c3c9b1c8e3cb 509
manoj123 0:c3c9b1c8e3cb 510 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
manoj123 0:c3c9b1c8e3cb 511