WILLY BAYOT
/
stm32_adafruit
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stm32f4xx_nucleo.c@3:d685bfd3ba5f, 2015-01-05 (annotated)
- Committer:
- willybayot
- Date:
- Mon Jan 05 16:07:19 2015 +0000
- Revision:
- 3:d685bfd3ba5f
- Parent:
- 2:1be1ed63e942
v
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| willybayot | 0:4db361f2e6d5 | 1 | /** |
| willybayot | 0:4db361f2e6d5 | 2 | ****************************************************************************** |
| willybayot | 0:4db361f2e6d5 | 3 | * @file stm32f4xx_nucleo.c |
| willybayot | 0:4db361f2e6d5 | 4 | * @author MCD Application Team |
| willybayot | 0:4db361f2e6d5 | 5 | * @version V1.1.0 |
| willybayot | 0:4db361f2e6d5 | 6 | * @date 19-June-2014 |
| willybayot | 0:4db361f2e6d5 | 7 | * @brief This file provides set of firmware functions to manage: |
| willybayot | 0:4db361f2e6d5 | 8 | * - LEDs and push-button available on STM32F4XX-Nucleo Kit |
| willybayot | 0:4db361f2e6d5 | 9 | * from STMicroelectronics |
| willybayot | 0:4db361f2e6d5 | 10 | * - LCD, joystick and microSD available on Adafruit 1.8" TFT LCD |
| willybayot | 0:4db361f2e6d5 | 11 | * shield (reference ID 802) |
| willybayot | 0:4db361f2e6d5 | 12 | ****************************************************************************** |
| willybayot | 0:4db361f2e6d5 | 13 | * @attention |
| willybayot | 0:4db361f2e6d5 | 14 | * |
| willybayot | 0:4db361f2e6d5 | 15 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
| willybayot | 0:4db361f2e6d5 | 16 | * |
| willybayot | 0:4db361f2e6d5 | 17 | * Redistribution and use in source and binary forms, with or without modification, |
| willybayot | 0:4db361f2e6d5 | 18 | * are permitted provided that the following conditions are met: |
| willybayot | 0:4db361f2e6d5 | 19 | * 1. Redistributions of source code must retain the above copyright notice, |
| willybayot | 0:4db361f2e6d5 | 20 | * this list of conditions and the following disclaimer. |
| willybayot | 0:4db361f2e6d5 | 21 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| willybayot | 0:4db361f2e6d5 | 22 | * this list of conditions and the following disclaimer in the documentation |
| willybayot | 0:4db361f2e6d5 | 23 | * and/or other materials provided with the distribution. |
| willybayot | 0:4db361f2e6d5 | 24 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| willybayot | 0:4db361f2e6d5 | 25 | * may be used to endorse or promote products derived from this software |
| willybayot | 0:4db361f2e6d5 | 26 | * without specific prior written permission. |
| willybayot | 0:4db361f2e6d5 | 27 | * |
| willybayot | 0:4db361f2e6d5 | 28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| willybayot | 0:4db361f2e6d5 | 29 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| willybayot | 0:4db361f2e6d5 | 30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| willybayot | 0:4db361f2e6d5 | 31 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| willybayot | 0:4db361f2e6d5 | 32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| willybayot | 0:4db361f2e6d5 | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| willybayot | 0:4db361f2e6d5 | 34 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| willybayot | 0:4db361f2e6d5 | 35 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| willybayot | 0:4db361f2e6d5 | 36 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| willybayot | 0:4db361f2e6d5 | 37 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| willybayot | 0:4db361f2e6d5 | 38 | * |
| willybayot | 0:4db361f2e6d5 | 39 | ****************************************************************************** |
| willybayot | 0:4db361f2e6d5 | 40 | */ |
| willybayot | 0:4db361f2e6d5 | 41 | |
| willybayot | 0:4db361f2e6d5 | 42 | /* Includes ------------------------------------------------------------------*/ |
| willybayot | 0:4db361f2e6d5 | 43 | #include "stm32f4xx_nucleo.h" |
| willybayot | 0:4db361f2e6d5 | 44 | |
| willybayot | 0:4db361f2e6d5 | 45 | /** @addtogroup BSP |
| willybayot | 0:4db361f2e6d5 | 46 | * @{ |
| willybayot | 0:4db361f2e6d5 | 47 | */ |
| willybayot | 0:4db361f2e6d5 | 48 | |
| willybayot | 0:4db361f2e6d5 | 49 | /** @addtogroup STM32F4XX_NUCLEO |
| willybayot | 0:4db361f2e6d5 | 50 | * @{ |
| willybayot | 0:4db361f2e6d5 | 51 | */ |
| willybayot | 0:4db361f2e6d5 | 52 | |
| willybayot | 0:4db361f2e6d5 | 53 | /** @addtogroup STM32F4XX_NUCLEO_LOW_LEVEL |
| willybayot | 0:4db361f2e6d5 | 54 | * @brief This file provides set of firmware functions to manage Leds and push-button |
| willybayot | 0:4db361f2e6d5 | 55 | * available on STM32F4xx-Nucleo Kit from STMicroelectronics. |
| willybayot | 0:4db361f2e6d5 | 56 | * @{ |
| willybayot | 0:4db361f2e6d5 | 57 | */ |
| willybayot | 0:4db361f2e6d5 | 58 | |
| willybayot | 0:4db361f2e6d5 | 59 | /** @defgroup STM32F4XX_NUCLEO_LOW_LEVEL_Private_TypesDefinitions |
| willybayot | 0:4db361f2e6d5 | 60 | * @{ |
| willybayot | 0:4db361f2e6d5 | 61 | */ |
| willybayot | 0:4db361f2e6d5 | 62 | /** |
| willybayot | 0:4db361f2e6d5 | 63 | * @} |
| willybayot | 0:4db361f2e6d5 | 64 | */ |
| willybayot | 0:4db361f2e6d5 | 65 | |
| willybayot | 0:4db361f2e6d5 | 66 | |
| willybayot | 0:4db361f2e6d5 | 67 | /** @defgroup STM32F4XX_NUCLEO_LOW_LEVEL_Private_Defines |
| willybayot | 0:4db361f2e6d5 | 68 | * @{ |
| willybayot | 0:4db361f2e6d5 | 69 | */ |
| willybayot | 0:4db361f2e6d5 | 70 | |
| willybayot | 0:4db361f2e6d5 | 71 | /** |
| willybayot | 0:4db361f2e6d5 | 72 | * @brief STM32F4xx NUCLEO BSP Driver version number V1.1.0 |
| willybayot | 0:4db361f2e6d5 | 73 | */ |
| willybayot | 0:4db361f2e6d5 | 74 | #define __STM32F4xx_NUCLEO_BSP_VERSION_MAIN (0x01) /*!< [31:24] main version */ |
| willybayot | 0:4db361f2e6d5 | 75 | #define __STM32F4xx_NUCLEO_BSP_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */ |
| willybayot | 0:4db361f2e6d5 | 76 | #define __STM32F4xx_NUCLEO_BSP_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ |
| willybayot | 0:4db361f2e6d5 | 77 | #define __STM32F4xx_NUCLEO_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */ |
| willybayot | 0:4db361f2e6d5 | 78 | #define __STM32F4xx_NUCLEO_BSP_VERSION ((__STM32F4xx_NUCLEO_BSP_VERSION_MAIN << 24)\ |
| willybayot | 0:4db361f2e6d5 | 79 | |(__STM32F4xx_NUCLEO_BSP_VERSION_SUB1 << 16)\ |
| willybayot | 0:4db361f2e6d5 | 80 | |(__STM32F4xx_NUCLEO_BSP_VERSION_SUB2 << 8 )\ |
| willybayot | 0:4db361f2e6d5 | 81 | |(__STM32F4xx_NUCLEO_BSP_VERSION_RC)) |
| willybayot | 0:4db361f2e6d5 | 82 | |
| willybayot | 0:4db361f2e6d5 | 83 | /** |
| willybayot | 0:4db361f2e6d5 | 84 | * @brief LINK SD Card |
| willybayot | 0:4db361f2e6d5 | 85 | */ |
| willybayot | 0:4db361f2e6d5 | 86 | #define SD_DUMMY_BYTE 0xFF |
| willybayot | 0:4db361f2e6d5 | 87 | #define SD_NO_RESPONSE_EXPECTED 0x80 |
| willybayot | 0:4db361f2e6d5 | 88 | |
| willybayot | 0:4db361f2e6d5 | 89 | /** |
| willybayot | 0:4db361f2e6d5 | 90 | * @} |
| willybayot | 0:4db361f2e6d5 | 91 | */ |
| willybayot | 0:4db361f2e6d5 | 92 | |
| willybayot | 0:4db361f2e6d5 | 93 | /** @defgroup STM32F4XX_NUCLEO_LOW_LEVEL_Private_Macros |
| willybayot | 0:4db361f2e6d5 | 94 | * @{ |
| willybayot | 0:4db361f2e6d5 | 95 | */ |
| willybayot | 0:4db361f2e6d5 | 96 | /** |
| willybayot | 0:4db361f2e6d5 | 97 | * @} |
| willybayot | 0:4db361f2e6d5 | 98 | */ |
| willybayot | 0:4db361f2e6d5 | 99 | |
| willybayot | 0:4db361f2e6d5 | 100 | /** @defgroup STM32F4XX_NUCLEO_LOW_LEVEL_Private_Variables |
| willybayot | 0:4db361f2e6d5 | 101 | * @{ |
| willybayot | 0:4db361f2e6d5 | 102 | */ |
| willybayot | 0:4db361f2e6d5 | 103 | GPIO_TypeDef* GPIO_PORT[LEDn] = {LED2_GPIO_PORT}; |
| willybayot | 0:4db361f2e6d5 | 104 | |
| willybayot | 0:4db361f2e6d5 | 105 | const uint16_t GPIO_PIN[LEDn] = {LED2_PIN}; |
| willybayot | 0:4db361f2e6d5 | 106 | |
| willybayot | 0:4db361f2e6d5 | 107 | GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {KEY_BUTTON_GPIO_PORT}; |
| willybayot | 0:4db361f2e6d5 | 108 | const uint16_t BUTTON_PIN[BUTTONn] = {KEY_BUTTON_PIN}; |
| willybayot | 0:4db361f2e6d5 | 109 | const uint8_t BUTTON_IRQn[BUTTONn] = {KEY_BUTTON_EXTI_IRQn}; |
| willybayot | 0:4db361f2e6d5 | 110 | |
| willybayot | 0:4db361f2e6d5 | 111 | /** |
| willybayot | 0:4db361f2e6d5 | 112 | * @brief BUS variables |
| willybayot | 0:4db361f2e6d5 | 113 | */ |
| willybayot | 0:4db361f2e6d5 | 114 | |
| willybayot | 0:4db361f2e6d5 | 115 | uint32_t SpixTimeout = NUCLEO_SPIx_TIMEOUT_MAX; /*<! Value of Timeout when SPI communication fails */ |
| willybayot | 0:4db361f2e6d5 | 116 | static SPI_HandleTypeDef hnucleo_Spi; |
| willybayot | 0:4db361f2e6d5 | 117 | static ADC_HandleTypeDef hnucleo_Adc; |
| willybayot | 0:4db361f2e6d5 | 118 | |
| willybayot | 0:4db361f2e6d5 | 119 | /* ADC channel configuration structure declaration */ |
| willybayot | 0:4db361f2e6d5 | 120 | static ADC_ChannelConfTypeDef sConfig; |
| willybayot | 0:4db361f2e6d5 | 121 | |
| willybayot | 0:4db361f2e6d5 | 122 | /** |
| willybayot | 0:4db361f2e6d5 | 123 | * @} |
| willybayot | 0:4db361f2e6d5 | 124 | */ |
| willybayot | 0:4db361f2e6d5 | 125 | |
| willybayot | 0:4db361f2e6d5 | 126 | /** @defgroup STM32F4XX_NUCLEO_LOW_LEVEL_Private_FunctionPrototypes |
| willybayot | 0:4db361f2e6d5 | 127 | * @{ |
| willybayot | 0:4db361f2e6d5 | 128 | */ |
| willybayot | 0:4db361f2e6d5 | 129 | static void SPIx_Init(void); |
| willybayot | 0:4db361f2e6d5 | 130 | static void SPIx_Write(uint8_t Value); |
| willybayot | 0:4db361f2e6d5 | 131 | static uint32_t SPIx_Read(void); |
| willybayot | 0:4db361f2e6d5 | 132 | static void SPIx_Error(void); |
| willybayot | 0:4db361f2e6d5 | 133 | static void SPIx_MspInit(SPI_HandleTypeDef *hspi); |
| willybayot | 0:4db361f2e6d5 | 134 | |
| willybayot | 0:4db361f2e6d5 | 135 | static void ADCx_Init(void); |
| willybayot | 0:4db361f2e6d5 | 136 | static void ADCx_MspInit(ADC_HandleTypeDef *hadc); |
| willybayot | 0:4db361f2e6d5 | 137 | |
| willybayot | 0:4db361f2e6d5 | 138 | /* SD IO functions */ |
| willybayot | 0:4db361f2e6d5 | 139 | void SD_IO_Init(void); |
| willybayot | 0:4db361f2e6d5 | 140 | HAL_StatusTypeDef SD_IO_WriteCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Response); |
| willybayot | 0:4db361f2e6d5 | 141 | HAL_StatusTypeDef SD_IO_WaitResponse(uint8_t Response); |
| willybayot | 0:4db361f2e6d5 | 142 | void SD_IO_WriteDummy(void); |
| willybayot | 0:4db361f2e6d5 | 143 | void SD_IO_WriteByte(uint8_t Data); |
| willybayot | 0:4db361f2e6d5 | 144 | uint8_t SD_IO_ReadByte(void); |
| willybayot | 0:4db361f2e6d5 | 145 | |
| willybayot | 0:4db361f2e6d5 | 146 | /* LCD IO functions */ |
| willybayot | 0:4db361f2e6d5 | 147 | void LCD_IO_Init(void); |
| willybayot | 0:4db361f2e6d5 | 148 | void LCD_IO_WriteData(uint8_t Data); |
| willybayot | 0:4db361f2e6d5 | 149 | void LCD_IO_WriteReg(uint8_t LCDReg); |
| willybayot | 0:4db361f2e6d5 | 150 | void LCD_Delay(uint32_t delay); |
| willybayot | 0:4db361f2e6d5 | 151 | /** |
| willybayot | 0:4db361f2e6d5 | 152 | * @} |
| willybayot | 0:4db361f2e6d5 | 153 | */ |
| willybayot | 0:4db361f2e6d5 | 154 | |
| willybayot | 0:4db361f2e6d5 | 155 | /** @defgroup STM32F4XX_NUCLEO_LOW_LEVEL_Private_Functions |
| willybayot | 0:4db361f2e6d5 | 156 | * @{ |
| willybayot | 0:4db361f2e6d5 | 157 | */ |
| willybayot | 0:4db361f2e6d5 | 158 | |
| willybayot | 0:4db361f2e6d5 | 159 | /** |
| willybayot | 0:4db361f2e6d5 | 160 | * @brief This method returns the STM32F4xx NUCLEO BSP Driver revision |
| willybayot | 0:4db361f2e6d5 | 161 | * @param None |
| willybayot | 0:4db361f2e6d5 | 162 | * @retval version: 0xXYZR (8bits for each decimal, R for RC) |
| willybayot | 0:4db361f2e6d5 | 163 | */ |
| willybayot | 0:4db361f2e6d5 | 164 | uint32_t BSP_GetVersion(void) |
| willybayot | 0:4db361f2e6d5 | 165 | { |
| willybayot | 0:4db361f2e6d5 | 166 | return __STM32F4xx_NUCLEO_BSP_VERSION; |
| willybayot | 0:4db361f2e6d5 | 167 | } |
| willybayot | 0:4db361f2e6d5 | 168 | |
| willybayot | 0:4db361f2e6d5 | 169 | /** |
| willybayot | 0:4db361f2e6d5 | 170 | * @brief Configures LED GPIO. |
| willybayot | 0:4db361f2e6d5 | 171 | * @param Led: Specifies the Led to be configured. |
| willybayot | 0:4db361f2e6d5 | 172 | * This parameter can be one of following parameters: |
| willybayot | 0:4db361f2e6d5 | 173 | * @arg LED2 |
| willybayot | 0:4db361f2e6d5 | 174 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 175 | */ |
| willybayot | 0:4db361f2e6d5 | 176 | void BSP_LED_Init(Led_TypeDef Led) |
| willybayot | 0:4db361f2e6d5 | 177 | { |
| willybayot | 0:4db361f2e6d5 | 178 | GPIO_InitTypeDef GPIO_InitStruct; |
| willybayot | 0:4db361f2e6d5 | 179 | |
| willybayot | 0:4db361f2e6d5 | 180 | /* Enable the GPIO_LED Clock */ |
| willybayot | 0:4db361f2e6d5 | 181 | LEDx_GPIO_CLK_ENABLE(Led); |
| willybayot | 0:4db361f2e6d5 | 182 | |
| willybayot | 0:4db361f2e6d5 | 183 | /* Configure the GPIO_LED pin */ |
| willybayot | 0:4db361f2e6d5 | 184 | GPIO_InitStruct.Pin = GPIO_PIN[Led]; |
| willybayot | 0:4db361f2e6d5 | 185 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| willybayot | 0:4db361f2e6d5 | 186 | GPIO_InitStruct.Pull = GPIO_PULLUP; |
| willybayot | 0:4db361f2e6d5 | 187 | GPIO_InitStruct.Speed = GPIO_SPEED_FAST; |
| willybayot | 0:4db361f2e6d5 | 188 | |
| willybayot | 0:4db361f2e6d5 | 189 | HAL_GPIO_Init(GPIO_PORT[Led], &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 190 | |
| willybayot | 0:4db361f2e6d5 | 191 | HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET); |
| willybayot | 0:4db361f2e6d5 | 192 | } |
| willybayot | 0:4db361f2e6d5 | 193 | |
| willybayot | 0:4db361f2e6d5 | 194 | /** |
| willybayot | 0:4db361f2e6d5 | 195 | * @brief Turns selected LED On. |
| willybayot | 0:4db361f2e6d5 | 196 | * @param Led: Specifies the Led to be set on. |
| willybayot | 0:4db361f2e6d5 | 197 | * This parameter can be one of following parameters: |
| willybayot | 0:4db361f2e6d5 | 198 | * @arg LED2 |
| willybayot | 0:4db361f2e6d5 | 199 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 200 | */ |
| willybayot | 0:4db361f2e6d5 | 201 | void BSP_LED_On(Led_TypeDef Led) |
| willybayot | 0:4db361f2e6d5 | 202 | { |
| willybayot | 0:4db361f2e6d5 | 203 | HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET); |
| willybayot | 0:4db361f2e6d5 | 204 | } |
| willybayot | 0:4db361f2e6d5 | 205 | |
| willybayot | 0:4db361f2e6d5 | 206 | /** |
| willybayot | 0:4db361f2e6d5 | 207 | * @brief Turns selected LED Off. |
| willybayot | 0:4db361f2e6d5 | 208 | * @param Led: Specifies the Led to be set off. |
| willybayot | 0:4db361f2e6d5 | 209 | * This parameter can be one of following parameters: |
| willybayot | 0:4db361f2e6d5 | 210 | * @arg LED2 |
| willybayot | 0:4db361f2e6d5 | 211 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 212 | */ |
| willybayot | 0:4db361f2e6d5 | 213 | void BSP_LED_Off(Led_TypeDef Led) |
| willybayot | 0:4db361f2e6d5 | 214 | { |
| willybayot | 0:4db361f2e6d5 | 215 | HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET); |
| willybayot | 0:4db361f2e6d5 | 216 | } |
| willybayot | 0:4db361f2e6d5 | 217 | |
| willybayot | 0:4db361f2e6d5 | 218 | /** |
| willybayot | 0:4db361f2e6d5 | 219 | * @brief Toggles the selected LED. |
| willybayot | 0:4db361f2e6d5 | 220 | * @param Led: Specifies the Led to be toggled. |
| willybayot | 0:4db361f2e6d5 | 221 | * This parameter can be one of following parameters: |
| willybayot | 0:4db361f2e6d5 | 222 | * @arg LED2 |
| willybayot | 0:4db361f2e6d5 | 223 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 224 | */ |
| willybayot | 0:4db361f2e6d5 | 225 | void BSP_LED_Toggle(Led_TypeDef Led) |
| willybayot | 0:4db361f2e6d5 | 226 | { |
| willybayot | 0:4db361f2e6d5 | 227 | HAL_GPIO_TogglePin(GPIO_PORT[Led], GPIO_PIN[Led]); |
| willybayot | 0:4db361f2e6d5 | 228 | } |
| willybayot | 0:4db361f2e6d5 | 229 | |
| willybayot | 0:4db361f2e6d5 | 230 | /** |
| willybayot | 0:4db361f2e6d5 | 231 | * @brief Configures Button GPIO and EXTI Line. |
| willybayot | 0:4db361f2e6d5 | 232 | * @param Button: Specifies the Button to be configured. |
| willybayot | 0:4db361f2e6d5 | 233 | * This parameter should be: BUTTON_KEY |
| willybayot | 0:4db361f2e6d5 | 234 | * @param ButtonMode: Specifies Button mode. |
| willybayot | 0:4db361f2e6d5 | 235 | * This parameter can be one of following parameters: |
| willybayot | 0:4db361f2e6d5 | 236 | * @arg BUTTON_MODE_GPIO: Button will be used as simple IO |
| willybayot | 0:4db361f2e6d5 | 237 | * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt |
| willybayot | 0:4db361f2e6d5 | 238 | * generation capability |
| willybayot | 0:4db361f2e6d5 | 239 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 240 | */ |
| willybayot | 0:4db361f2e6d5 | 241 | void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode) |
| willybayot | 0:4db361f2e6d5 | 242 | { |
| willybayot | 0:4db361f2e6d5 | 243 | GPIO_InitTypeDef GPIO_InitStruct; |
| willybayot | 0:4db361f2e6d5 | 244 | |
| willybayot | 0:4db361f2e6d5 | 245 | /* Enable the BUTTON Clock */ |
| willybayot | 0:4db361f2e6d5 | 246 | BUTTONx_GPIO_CLK_ENABLE(Button); |
| willybayot | 0:4db361f2e6d5 | 247 | |
| willybayot | 0:4db361f2e6d5 | 248 | if(ButtonMode == BUTTON_MODE_GPIO) |
| willybayot | 0:4db361f2e6d5 | 249 | { |
| willybayot | 0:4db361f2e6d5 | 250 | /* Configure Button pin as input */ |
| willybayot | 0:4db361f2e6d5 | 251 | GPIO_InitStruct.Pin = BUTTON_PIN[Button]; |
| willybayot | 0:4db361f2e6d5 | 252 | GPIO_InitStruct.Mode = GPIO_MODE_INPUT; |
| willybayot | 0:4db361f2e6d5 | 253 | GPIO_InitStruct.Pull = GPIO_PULLDOWN; |
| willybayot | 0:4db361f2e6d5 | 254 | GPIO_InitStruct.Speed = GPIO_SPEED_FAST; |
| willybayot | 0:4db361f2e6d5 | 255 | HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 256 | } |
| willybayot | 0:4db361f2e6d5 | 257 | |
| willybayot | 0:4db361f2e6d5 | 258 | if(ButtonMode == BUTTON_MODE_EXTI) |
| willybayot | 0:4db361f2e6d5 | 259 | { |
| willybayot | 0:4db361f2e6d5 | 260 | /* Configure Button pin as input with External interrupt */ |
| willybayot | 0:4db361f2e6d5 | 261 | GPIO_InitStruct.Pin = BUTTON_PIN[Button]; |
| willybayot | 0:4db361f2e6d5 | 262 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
| willybayot | 0:4db361f2e6d5 | 263 | GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING; |
| willybayot | 0:4db361f2e6d5 | 264 | HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 265 | |
| willybayot | 0:4db361f2e6d5 | 266 | /* Enable and set Button EXTI Interrupt to the lowest priority */ |
| willybayot | 0:4db361f2e6d5 | 267 | HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0x00); |
| willybayot | 0:4db361f2e6d5 | 268 | HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button])); |
| willybayot | 0:4db361f2e6d5 | 269 | } |
| willybayot | 0:4db361f2e6d5 | 270 | } |
| willybayot | 0:4db361f2e6d5 | 271 | |
| willybayot | 0:4db361f2e6d5 | 272 | /** |
| willybayot | 0:4db361f2e6d5 | 273 | * @brief Returns the selected Button state. |
| willybayot | 0:4db361f2e6d5 | 274 | * @param Button: Specifies the Button to be checked. |
| willybayot | 0:4db361f2e6d5 | 275 | * This parameter should be: BUTTON_KEY |
| willybayot | 0:4db361f2e6d5 | 276 | * @retval The Button GPIO pin value. |
| willybayot | 0:4db361f2e6d5 | 277 | */ |
| willybayot | 0:4db361f2e6d5 | 278 | uint32_t BSP_PB_GetState(Button_TypeDef Button) |
| willybayot | 0:4db361f2e6d5 | 279 | { |
| willybayot | 0:4db361f2e6d5 | 280 | return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]); |
| willybayot | 0:4db361f2e6d5 | 281 | } |
| willybayot | 0:4db361f2e6d5 | 282 | |
| willybayot | 0:4db361f2e6d5 | 283 | /****************************************************************************** |
| willybayot | 0:4db361f2e6d5 | 284 | BUS OPERATIONS |
| willybayot | 0:4db361f2e6d5 | 285 | *******************************************************************************/ |
| willybayot | 0:4db361f2e6d5 | 286 | /** |
| willybayot | 0:4db361f2e6d5 | 287 | * @brief Initializes SPI MSP. |
| willybayot | 0:4db361f2e6d5 | 288 | * @param None |
| willybayot | 0:4db361f2e6d5 | 289 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 290 | */ |
| willybayot | 0:4db361f2e6d5 | 291 | static void SPIx_MspInit(SPI_HandleTypeDef *hspi) |
| willybayot | 0:4db361f2e6d5 | 292 | { |
| willybayot | 0:4db361f2e6d5 | 293 | GPIO_InitTypeDef GPIO_InitStruct; |
| willybayot | 0:4db361f2e6d5 | 294 | |
| willybayot | 0:4db361f2e6d5 | 295 | /*** Configure the GPIOs ***/ |
| willybayot | 0:4db361f2e6d5 | 296 | /* Enable GPIO clock */ |
| willybayot | 0:4db361f2e6d5 | 297 | NUCLEO_SPIx_SCK_GPIO_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 298 | NUCLEO_SPIx_MISO_MOSI_GPIO_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 299 | |
| willybayot | 0:4db361f2e6d5 | 300 | /* Configure SPI SCK */ |
| willybayot | 0:4db361f2e6d5 | 301 | GPIO_InitStruct.Pin = NUCLEO_SPIx_SCK_PIN; |
| willybayot | 0:4db361f2e6d5 | 302 | GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; |
| willybayot | 0:4db361f2e6d5 | 303 | GPIO_InitStruct.Pull = GPIO_PULLUP; |
| willybayot | 0:4db361f2e6d5 | 304 | GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; |
| willybayot | 0:4db361f2e6d5 | 305 | GPIO_InitStruct.Alternate = NUCLEO_SPIx_SCK_AF; |
| willybayot | 0:4db361f2e6d5 | 306 | HAL_GPIO_Init(NUCLEO_SPIx_SCK_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 307 | |
| willybayot | 0:4db361f2e6d5 | 308 | /* Configure SPI MISO and MOSI */ |
| willybayot | 0:4db361f2e6d5 | 309 | GPIO_InitStruct.Pin = NUCLEO_SPIx_MOSI_PIN; |
| willybayot | 0:4db361f2e6d5 | 310 | GPIO_InitStruct.Alternate = NUCLEO_SPIx_MISO_MOSI_AF; |
| willybayot | 0:4db361f2e6d5 | 311 | GPIO_InitStruct.Pull = GPIO_PULLDOWN; |
| willybayot | 0:4db361f2e6d5 | 312 | HAL_GPIO_Init(NUCLEO_SPIx_MISO_MOSI_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 313 | |
| willybayot | 0:4db361f2e6d5 | 314 | GPIO_InitStruct.Pin = NUCLEO_SPIx_MISO_PIN; |
| willybayot | 0:4db361f2e6d5 | 315 | HAL_GPIO_Init(NUCLEO_SPIx_MISO_MOSI_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 316 | |
| willybayot | 0:4db361f2e6d5 | 317 | /*** Configure the SPI peripheral ***/ |
| willybayot | 0:4db361f2e6d5 | 318 | /* Enable SPI clock */ |
| willybayot | 0:4db361f2e6d5 | 319 | NUCLEO_SPIx_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 320 | } |
| willybayot | 0:4db361f2e6d5 | 321 | |
| willybayot | 0:4db361f2e6d5 | 322 | /** |
| willybayot | 0:4db361f2e6d5 | 323 | * @brief Initializes SPI HAL. |
| willybayot | 0:4db361f2e6d5 | 324 | * @param None |
| willybayot | 0:4db361f2e6d5 | 325 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 326 | */ |
| willybayot | 0:4db361f2e6d5 | 327 | static void SPIx_Init(void) |
| willybayot | 0:4db361f2e6d5 | 328 | { |
| willybayot | 0:4db361f2e6d5 | 329 | if(HAL_SPI_GetState(&hnucleo_Spi) == HAL_SPI_STATE_RESET) |
| willybayot | 0:4db361f2e6d5 | 330 | { |
| willybayot | 0:4db361f2e6d5 | 331 | /* SPI Config */ |
| willybayot | 0:4db361f2e6d5 | 332 | hnucleo_Spi.Instance = NUCLEO_SPIx; |
| willybayot | 0:4db361f2e6d5 | 333 | /* SPI baudrate is set to 12,5 MHz maximum (PCLK2/SPI_BaudRatePrescaler = 100/8 = 12,5 MHz) |
| willybayot | 0:4db361f2e6d5 | 334 | to verify these constraints: |
| willybayot | 0:4db361f2e6d5 | 335 | - ST7735 LCD SPI interface max baudrate is 15MHz for write and 6.66MHz for read |
| willybayot | 0:4db361f2e6d5 | 336 | Since the provided driver doesn't use read capability from LCD, only constraint |
| willybayot | 0:4db361f2e6d5 | 337 | on write baudrate is considered. |
| willybayot | 0:4db361f2e6d5 | 338 | - SD card SPI interface max baudrate is 25MHz for write/read |
| willybayot | 0:4db361f2e6d5 | 339 | - PCLK2 max frequency is 100 MHz |
| willybayot | 0:4db361f2e6d5 | 340 | */ |
| willybayot | 0:4db361f2e6d5 | 341 | hnucleo_Spi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8; |
| willybayot | 0:4db361f2e6d5 | 342 | hnucleo_Spi.Init.Direction = SPI_DIRECTION_2LINES; |
| willybayot | 0:4db361f2e6d5 | 343 | hnucleo_Spi.Init.CLKPhase = SPI_PHASE_2EDGE; |
| willybayot | 0:4db361f2e6d5 | 344 | hnucleo_Spi.Init.CLKPolarity = SPI_POLARITY_HIGH; |
| willybayot | 0:4db361f2e6d5 | 345 | hnucleo_Spi.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; |
| willybayot | 0:4db361f2e6d5 | 346 | hnucleo_Spi.Init.CRCPolynomial = 7; |
| willybayot | 0:4db361f2e6d5 | 347 | hnucleo_Spi.Init.DataSize = SPI_DATASIZE_8BIT; |
| willybayot | 0:4db361f2e6d5 | 348 | hnucleo_Spi.Init.FirstBit = SPI_FIRSTBIT_MSB; |
| willybayot | 0:4db361f2e6d5 | 349 | hnucleo_Spi.Init.NSS = SPI_NSS_SOFT; |
| willybayot | 0:4db361f2e6d5 | 350 | hnucleo_Spi.Init.TIMode = SPI_TIMODE_DISABLED; |
| willybayot | 0:4db361f2e6d5 | 351 | hnucleo_Spi.Init.Mode = SPI_MODE_MASTER; |
| willybayot | 0:4db361f2e6d5 | 352 | |
| willybayot | 0:4db361f2e6d5 | 353 | SPIx_MspInit(&hnucleo_Spi); |
| willybayot | 0:4db361f2e6d5 | 354 | HAL_SPI_Init(&hnucleo_Spi); |
| willybayot | 0:4db361f2e6d5 | 355 | } |
| willybayot | 0:4db361f2e6d5 | 356 | } |
| willybayot | 0:4db361f2e6d5 | 357 | |
| willybayot | 0:4db361f2e6d5 | 358 | /** |
| willybayot | 0:4db361f2e6d5 | 359 | * @brief SPI Read 4 bytes from device. |
| willybayot | 0:4db361f2e6d5 | 360 | * @param None |
| willybayot | 0:4db361f2e6d5 | 361 | * @retval Read data |
| willybayot | 0:4db361f2e6d5 | 362 | */ |
| willybayot | 0:4db361f2e6d5 | 363 | static uint32_t SPIx_Read(void) |
| willybayot | 0:4db361f2e6d5 | 364 | { |
| willybayot | 0:4db361f2e6d5 | 365 | HAL_StatusTypeDef status = HAL_OK; |
| willybayot | 0:4db361f2e6d5 | 366 | uint32_t readvalue = 0; |
| willybayot | 0:4db361f2e6d5 | 367 | uint32_t writevalue = 0xFFFFFFFF; |
| willybayot | 0:4db361f2e6d5 | 368 | |
| willybayot | 0:4db361f2e6d5 | 369 | status = HAL_SPI_TransmitReceive(&hnucleo_Spi, (uint8_t*) &writevalue, (uint8_t*) &readvalue, 1, SpixTimeout); |
| willybayot | 0:4db361f2e6d5 | 370 | |
| willybayot | 0:4db361f2e6d5 | 371 | /* Check the communication status */ |
| willybayot | 0:4db361f2e6d5 | 372 | if(status != HAL_OK) |
| willybayot | 0:4db361f2e6d5 | 373 | { |
| willybayot | 0:4db361f2e6d5 | 374 | /* Execute user timeout callback */ |
| willybayot | 0:4db361f2e6d5 | 375 | SPIx_Error(); |
| willybayot | 0:4db361f2e6d5 | 376 | } |
| willybayot | 0:4db361f2e6d5 | 377 | |
| willybayot | 0:4db361f2e6d5 | 378 | return readvalue; |
| willybayot | 0:4db361f2e6d5 | 379 | } |
| willybayot | 0:4db361f2e6d5 | 380 | |
| willybayot | 0:4db361f2e6d5 | 381 | /** |
| willybayot | 0:4db361f2e6d5 | 382 | * @brief SPI Write a byte to device. |
| willybayot | 0:4db361f2e6d5 | 383 | * @param Value: value to be written |
| willybayot | 0:4db361f2e6d5 | 384 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 385 | */ |
| willybayot | 0:4db361f2e6d5 | 386 | static void SPIx_Write(uint8_t Value) |
| willybayot | 0:4db361f2e6d5 | 387 | { |
| willybayot | 0:4db361f2e6d5 | 388 | HAL_StatusTypeDef status = HAL_OK; |
| willybayot | 0:4db361f2e6d5 | 389 | |
| willybayot | 0:4db361f2e6d5 | 390 | status = HAL_SPI_Transmit(&hnucleo_Spi, (uint8_t*) &Value, 1, SpixTimeout); |
| willybayot | 0:4db361f2e6d5 | 391 | |
| willybayot | 0:4db361f2e6d5 | 392 | /* Check the communication status */ |
| willybayot | 0:4db361f2e6d5 | 393 | if(status != HAL_OK) |
| willybayot | 0:4db361f2e6d5 | 394 | { |
| willybayot | 0:4db361f2e6d5 | 395 | /* Execute user timeout callback */ |
| willybayot | 0:4db361f2e6d5 | 396 | SPIx_Error(); |
| willybayot | 0:4db361f2e6d5 | 397 | } |
| willybayot | 0:4db361f2e6d5 | 398 | } |
| willybayot | 0:4db361f2e6d5 | 399 | |
| willybayot | 0:4db361f2e6d5 | 400 | /** |
| willybayot | 0:4db361f2e6d5 | 401 | * @brief SPI error treatment function. |
| willybayot | 0:4db361f2e6d5 | 402 | * @param None |
| willybayot | 0:4db361f2e6d5 | 403 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 404 | */ |
| willybayot | 0:4db361f2e6d5 | 405 | static void SPIx_Error (void) |
| willybayot | 0:4db361f2e6d5 | 406 | { |
| willybayot | 0:4db361f2e6d5 | 407 | /* De-initialize the SPI communication BUS */ |
| willybayot | 0:4db361f2e6d5 | 408 | HAL_SPI_DeInit(&hnucleo_Spi); |
| willybayot | 0:4db361f2e6d5 | 409 | |
| willybayot | 0:4db361f2e6d5 | 410 | /* Re-Initiaize the SPI communication BUS */ |
| willybayot | 0:4db361f2e6d5 | 411 | SPIx_Init(); |
| willybayot | 0:4db361f2e6d5 | 412 | } |
| willybayot | 0:4db361f2e6d5 | 413 | |
| willybayot | 0:4db361f2e6d5 | 414 | /****************************************************************************** |
| willybayot | 0:4db361f2e6d5 | 415 | LINK OPERATIONS |
| willybayot | 0:4db361f2e6d5 | 416 | *******************************************************************************/ |
| willybayot | 0:4db361f2e6d5 | 417 | |
| willybayot | 0:4db361f2e6d5 | 418 | /********************************* LINK SD ************************************/ |
| willybayot | 0:4db361f2e6d5 | 419 | /** |
| willybayot | 0:4db361f2e6d5 | 420 | * @brief Initializes the SD Card and put it into StandBy State (Ready for |
| willybayot | 0:4db361f2e6d5 | 421 | * data transfer). |
| willybayot | 0:4db361f2e6d5 | 422 | * @param None |
| willybayot | 0:4db361f2e6d5 | 423 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 424 | */ |
| willybayot | 0:4db361f2e6d5 | 425 | void SD_IO_Init(void) |
| willybayot | 0:4db361f2e6d5 | 426 | { |
| willybayot | 0:4db361f2e6d5 | 427 | GPIO_InitTypeDef GPIO_InitStruct; |
| willybayot | 0:4db361f2e6d5 | 428 | uint8_t counter; |
| willybayot | 0:4db361f2e6d5 | 429 | |
| willybayot | 0:4db361f2e6d5 | 430 | /* SD_CS_GPIO Periph clock enable */ |
| willybayot | 0:4db361f2e6d5 | 431 | SD_CS_GPIO_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 432 | |
| willybayot | 0:4db361f2e6d5 | 433 | /* Configure SD_CS_PIN pin: SD Card CS pin */ |
| willybayot | 0:4db361f2e6d5 | 434 | GPIO_InitStruct.Pin = SD_CS_PIN; |
| willybayot | 0:4db361f2e6d5 | 435 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| willybayot | 0:4db361f2e6d5 | 436 | GPIO_InitStruct.Pull = GPIO_PULLUP; |
| willybayot | 0:4db361f2e6d5 | 437 | GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; |
| willybayot | 0:4db361f2e6d5 | 438 | HAL_GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 439 | |
| willybayot | 0:4db361f2e6d5 | 440 | /*------------Put SD in SPI mode--------------*/ |
| willybayot | 0:4db361f2e6d5 | 441 | /* SD SPI Config */ |
| willybayot | 2:1be1ed63e942 | 442 | SPIx_Init(); |
| willybayot | 0:4db361f2e6d5 | 443 | |
| willybayot | 0:4db361f2e6d5 | 444 | /* SD chip select high */ |
| willybayot | 0:4db361f2e6d5 | 445 | SD_CS_HIGH(); |
| willybayot | 0:4db361f2e6d5 | 446 | |
| willybayot | 0:4db361f2e6d5 | 447 | /* Send dummy byte 0xFF, 10 times with CS high */ |
| willybayot | 0:4db361f2e6d5 | 448 | /* Rise CS and MOSI for 80 clocks cycles */ |
| willybayot | 0:4db361f2e6d5 | 449 | for (counter = 0; counter <= 9; counter++) |
| willybayot | 0:4db361f2e6d5 | 450 | { |
| willybayot | 0:4db361f2e6d5 | 451 | /* Send dummy byte 0xFF */ |
| willybayot | 0:4db361f2e6d5 | 452 | SD_IO_WriteByte(SD_DUMMY_BYTE); |
| willybayot | 0:4db361f2e6d5 | 453 | } |
| willybayot | 0:4db361f2e6d5 | 454 | } |
| willybayot | 0:4db361f2e6d5 | 455 | |
| willybayot | 0:4db361f2e6d5 | 456 | /** |
| willybayot | 0:4db361f2e6d5 | 457 | * @brief Writes a byte on the SD. |
| willybayot | 0:4db361f2e6d5 | 458 | * @param Data: byte to send. |
| willybayot | 0:4db361f2e6d5 | 459 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 460 | */ |
| willybayot | 0:4db361f2e6d5 | 461 | void SD_IO_WriteByte(uint8_t Data) |
| willybayot | 0:4db361f2e6d5 | 462 | { |
| willybayot | 0:4db361f2e6d5 | 463 | /* Send the byte */ |
| willybayot | 0:4db361f2e6d5 | 464 | SPIx_Write(Data); |
| willybayot | 0:4db361f2e6d5 | 465 | } |
| willybayot | 0:4db361f2e6d5 | 466 | |
| willybayot | 0:4db361f2e6d5 | 467 | /** |
| willybayot | 0:4db361f2e6d5 | 468 | * @brief Reads a byte from the SD. |
| willybayot | 0:4db361f2e6d5 | 469 | * @param None |
| willybayot | 0:4db361f2e6d5 | 470 | * @retval The received byte. |
| willybayot | 0:4db361f2e6d5 | 471 | */ |
| willybayot | 0:4db361f2e6d5 | 472 | uint8_t SD_IO_ReadByte(void) |
| willybayot | 0:4db361f2e6d5 | 473 | { |
| willybayot | 0:4db361f2e6d5 | 474 | uint8_t data = 0; |
| willybayot | 0:4db361f2e6d5 | 475 | |
| willybayot | 0:4db361f2e6d5 | 476 | /* Get the received data */ |
| willybayot | 0:4db361f2e6d5 | 477 | data = SPIx_Read(); |
| willybayot | 0:4db361f2e6d5 | 478 | |
| willybayot | 0:4db361f2e6d5 | 479 | /* Return the shifted data */ |
| willybayot | 0:4db361f2e6d5 | 480 | return data; |
| willybayot | 0:4db361f2e6d5 | 481 | } |
| willybayot | 0:4db361f2e6d5 | 482 | |
| willybayot | 0:4db361f2e6d5 | 483 | /** |
| willybayot | 0:4db361f2e6d5 | 484 | * @brief Sends 5 bytes command to the SD card and get response. |
| willybayot | 0:4db361f2e6d5 | 485 | * @param Cmd: The user expected command to send to SD card. |
| willybayot | 0:4db361f2e6d5 | 486 | * @param Arg: The command argument |
| willybayot | 0:4db361f2e6d5 | 487 | * @param Crc: The CRC |
| willybayot | 0:4db361f2e6d5 | 488 | * @param Response: Expected response from the SD card |
| willybayot | 0:4db361f2e6d5 | 489 | * @retval HAL_StatusTypeDef HAL Status |
| willybayot | 0:4db361f2e6d5 | 490 | */ |
| willybayot | 0:4db361f2e6d5 | 491 | HAL_StatusTypeDef SD_IO_WriteCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Response) |
| willybayot | 0:4db361f2e6d5 | 492 | { |
| willybayot | 0:4db361f2e6d5 | 493 | uint32_t counter = 0x00; |
| willybayot | 0:4db361f2e6d5 | 494 | uint8_t frame[6]; |
| willybayot | 0:4db361f2e6d5 | 495 | |
| willybayot | 0:4db361f2e6d5 | 496 | /* Prepare Frame to send */ |
| willybayot | 0:4db361f2e6d5 | 497 | frame[0] = (Cmd | 0x40); /* Construct byte 1 */ |
| willybayot | 0:4db361f2e6d5 | 498 | frame[1] = (uint8_t)(Arg >> 24); /* Construct byte 2 */ |
| willybayot | 0:4db361f2e6d5 | 499 | frame[2] = (uint8_t)(Arg >> 16); /* Construct byte 3 */ |
| willybayot | 0:4db361f2e6d5 | 500 | frame[3] = (uint8_t)(Arg >> 8); /* Construct byte 4 */ |
| willybayot | 0:4db361f2e6d5 | 501 | frame[4] = (uint8_t)(Arg); /* Construct byte 5 */ |
| willybayot | 0:4db361f2e6d5 | 502 | frame[5] = (Crc); /* Construct byte 6 */ |
| willybayot | 0:4db361f2e6d5 | 503 | |
| willybayot | 0:4db361f2e6d5 | 504 | /* SD chip select low */ |
| willybayot | 0:4db361f2e6d5 | 505 | SD_CS_LOW(); |
| willybayot | 0:4db361f2e6d5 | 506 | |
| willybayot | 0:4db361f2e6d5 | 507 | /* Send Frame */ |
| willybayot | 0:4db361f2e6d5 | 508 | for (counter = 0; counter < 6; counter++) |
| willybayot | 0:4db361f2e6d5 | 509 | { |
| willybayot | 0:4db361f2e6d5 | 510 | SD_IO_WriteByte(frame[counter]); /* Send the Cmd bytes */ |
| willybayot | 0:4db361f2e6d5 | 511 | } |
| willybayot | 0:4db361f2e6d5 | 512 | |
| willybayot | 0:4db361f2e6d5 | 513 | if(Response != SD_NO_RESPONSE_EXPECTED) |
| willybayot | 0:4db361f2e6d5 | 514 | { |
| willybayot | 0:4db361f2e6d5 | 515 | return SD_IO_WaitResponse(Response); |
| willybayot | 0:4db361f2e6d5 | 516 | } |
| willybayot | 0:4db361f2e6d5 | 517 | |
| willybayot | 0:4db361f2e6d5 | 518 | return HAL_OK; |
| willybayot | 0:4db361f2e6d5 | 519 | } |
| willybayot | 0:4db361f2e6d5 | 520 | |
| willybayot | 0:4db361f2e6d5 | 521 | /** |
| willybayot | 0:4db361f2e6d5 | 522 | * @brief Waits response from the SD card |
| willybayot | 0:4db361f2e6d5 | 523 | * @param Response: Expected response from the SD card |
| willybayot | 0:4db361f2e6d5 | 524 | * @retval HAL_StatusTypeDef HAL Status |
| willybayot | 0:4db361f2e6d5 | 525 | */ |
| willybayot | 0:4db361f2e6d5 | 526 | HAL_StatusTypeDef SD_IO_WaitResponse(uint8_t Response) |
| willybayot | 0:4db361f2e6d5 | 527 | { |
| willybayot | 0:4db361f2e6d5 | 528 | uint32_t timeout = 0xFFFF; |
| willybayot | 0:4db361f2e6d5 | 529 | |
| willybayot | 0:4db361f2e6d5 | 530 | /* Check if response is got or a timeout is happen */ |
| willybayot | 0:4db361f2e6d5 | 531 | while ((SD_IO_ReadByte() != Response) && timeout) |
| willybayot | 0:4db361f2e6d5 | 532 | { |
| willybayot | 0:4db361f2e6d5 | 533 | timeout--; |
| willybayot | 0:4db361f2e6d5 | 534 | } |
| willybayot | 0:4db361f2e6d5 | 535 | |
| willybayot | 0:4db361f2e6d5 | 536 | if (timeout == 0) |
| willybayot | 0:4db361f2e6d5 | 537 | { |
| willybayot | 0:4db361f2e6d5 | 538 | /* After time out */ |
| willybayot | 0:4db361f2e6d5 | 539 | return HAL_TIMEOUT; |
| willybayot | 0:4db361f2e6d5 | 540 | } |
| willybayot | 0:4db361f2e6d5 | 541 | else |
| willybayot | 0:4db361f2e6d5 | 542 | { |
| willybayot | 0:4db361f2e6d5 | 543 | /* Right response got */ |
| willybayot | 0:4db361f2e6d5 | 544 | return HAL_OK; |
| willybayot | 0:4db361f2e6d5 | 545 | } |
| willybayot | 0:4db361f2e6d5 | 546 | } |
| willybayot | 0:4db361f2e6d5 | 547 | |
| willybayot | 0:4db361f2e6d5 | 548 | /** |
| willybayot | 0:4db361f2e6d5 | 549 | * @brief Sends dummy byte with CS High. |
| willybayot | 0:4db361f2e6d5 | 550 | * @param None |
| willybayot | 0:4db361f2e6d5 | 551 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 552 | */ |
| willybayot | 0:4db361f2e6d5 | 553 | void SD_IO_WriteDummy(void) |
| willybayot | 0:4db361f2e6d5 | 554 | { |
| willybayot | 0:4db361f2e6d5 | 555 | /* SD chip select high */ |
| willybayot | 0:4db361f2e6d5 | 556 | SD_CS_HIGH(); |
| willybayot | 0:4db361f2e6d5 | 557 | |
| willybayot | 0:4db361f2e6d5 | 558 | /* Send Dummy byte 0xFF */ |
| willybayot | 0:4db361f2e6d5 | 559 | SD_IO_WriteByte(SD_DUMMY_BYTE); |
| willybayot | 0:4db361f2e6d5 | 560 | } |
| willybayot | 0:4db361f2e6d5 | 561 | |
| willybayot | 0:4db361f2e6d5 | 562 | /********************************* LINK LCD ***********************************/ |
| willybayot | 0:4db361f2e6d5 | 563 | /** |
| willybayot | 0:4db361f2e6d5 | 564 | * @brief Initializes the LCD. |
| willybayot | 0:4db361f2e6d5 | 565 | * @param None |
| willybayot | 0:4db361f2e6d5 | 566 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 567 | */ |
| willybayot | 0:4db361f2e6d5 | 568 | void LCD_IO_Init(void) |
| willybayot | 0:4db361f2e6d5 | 569 | { |
| willybayot | 0:4db361f2e6d5 | 570 | GPIO_InitTypeDef GPIO_InitStruct; |
| willybayot | 0:4db361f2e6d5 | 571 | |
| willybayot | 0:4db361f2e6d5 | 572 | /* LCD_CS_GPIO and LCD_DC_GPIO Periph clock enable */ |
| willybayot | 0:4db361f2e6d5 | 573 | LCD_CS_GPIO_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 574 | LCD_DC_GPIO_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 575 | |
| willybayot | 0:4db361f2e6d5 | 576 | /* Configure LCD_CS_PIN pin: LCD Card CS pin */ |
| willybayot | 0:4db361f2e6d5 | 577 | GPIO_InitStruct.Pin = LCD_CS_PIN; |
| willybayot | 0:4db361f2e6d5 | 578 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| willybayot | 0:4db361f2e6d5 | 579 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
| willybayot | 0:4db361f2e6d5 | 580 | GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; |
| willybayot | 0:4db361f2e6d5 | 581 | HAL_GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 582 | |
| willybayot | 0:4db361f2e6d5 | 583 | /* Configure LCD_DC_PIN pin: LCD Card DC pin */ |
| willybayot | 0:4db361f2e6d5 | 584 | GPIO_InitStruct.Pin = LCD_DC_PIN; |
| willybayot | 0:4db361f2e6d5 | 585 | HAL_GPIO_Init(LCD_DC_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 586 | |
| willybayot | 0:4db361f2e6d5 | 587 | /* LCD chip select high */ |
| willybayot | 0:4db361f2e6d5 | 588 | LCD_CS_HIGH(); |
| willybayot | 0:4db361f2e6d5 | 589 | |
| willybayot | 0:4db361f2e6d5 | 590 | /* LCD SPI Config */ |
| willybayot | 0:4db361f2e6d5 | 591 | SPIx_Init(); |
| willybayot | 0:4db361f2e6d5 | 592 | } |
| willybayot | 0:4db361f2e6d5 | 593 | |
| willybayot | 0:4db361f2e6d5 | 594 | /** |
| willybayot | 0:4db361f2e6d5 | 595 | * @brief Writes command to select the LCD register. |
| willybayot | 0:4db361f2e6d5 | 596 | * @param LCDReg: Address of the selected register. |
| willybayot | 0:4db361f2e6d5 | 597 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 598 | */ |
| willybayot | 0:4db361f2e6d5 | 599 | void LCD_IO_WriteReg(uint8_t LCDReg) |
| willybayot | 0:4db361f2e6d5 | 600 | { |
| willybayot | 0:4db361f2e6d5 | 601 | /* Reset LCD control line CS */ |
| willybayot | 0:4db361f2e6d5 | 602 | LCD_CS_LOW(); |
| willybayot | 0:4db361f2e6d5 | 603 | |
| willybayot | 0:4db361f2e6d5 | 604 | /* Set LCD data/command line DC to Low */ |
| willybayot | 0:4db361f2e6d5 | 605 | LCD_DC_LOW(); |
| willybayot | 0:4db361f2e6d5 | 606 | |
| willybayot | 0:4db361f2e6d5 | 607 | /* Send Command */ |
| willybayot | 0:4db361f2e6d5 | 608 | SPIx_Write(LCDReg); |
| willybayot | 0:4db361f2e6d5 | 609 | |
| willybayot | 0:4db361f2e6d5 | 610 | /* Deselect : Chip Select high */ |
| willybayot | 0:4db361f2e6d5 | 611 | LCD_CS_HIGH(); |
| willybayot | 0:4db361f2e6d5 | 612 | } |
| willybayot | 0:4db361f2e6d5 | 613 | |
| willybayot | 0:4db361f2e6d5 | 614 | /** |
| willybayot | 0:4db361f2e6d5 | 615 | * @brief Writes data to select the LCD register. |
| willybayot | 0:4db361f2e6d5 | 616 | * This function must be used after st7735_WriteReg() function |
| willybayot | 0:4db361f2e6d5 | 617 | * @param Data: data to write to the selected register. |
| willybayot | 0:4db361f2e6d5 | 618 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 619 | */ |
| willybayot | 0:4db361f2e6d5 | 620 | void LCD_IO_WriteData(uint8_t Data) |
| willybayot | 0:4db361f2e6d5 | 621 | { |
| willybayot | 0:4db361f2e6d5 | 622 | /* Reset LCD control line CS */ |
| willybayot | 0:4db361f2e6d5 | 623 | LCD_CS_LOW(); |
| willybayot | 0:4db361f2e6d5 | 624 | |
| willybayot | 0:4db361f2e6d5 | 625 | /* Set LCD data/command line DC to High */ |
| willybayot | 0:4db361f2e6d5 | 626 | LCD_DC_HIGH(); |
| willybayot | 0:4db361f2e6d5 | 627 | |
| willybayot | 0:4db361f2e6d5 | 628 | /* Send Data */ |
| willybayot | 0:4db361f2e6d5 | 629 | SPIx_Write(Data); |
| willybayot | 0:4db361f2e6d5 | 630 | |
| willybayot | 0:4db361f2e6d5 | 631 | /* Deselect : Chip Select high */ |
| willybayot | 0:4db361f2e6d5 | 632 | LCD_CS_HIGH(); |
| willybayot | 0:4db361f2e6d5 | 633 | } |
| willybayot | 0:4db361f2e6d5 | 634 | |
| willybayot | 0:4db361f2e6d5 | 635 | /** |
| willybayot | 0:4db361f2e6d5 | 636 | * @brief Wait for loop in ms. |
| willybayot | 0:4db361f2e6d5 | 637 | * @param Delay in ms. |
| willybayot | 0:4db361f2e6d5 | 638 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 639 | */ |
| willybayot | 0:4db361f2e6d5 | 640 | void LCD_Delay(uint32_t Delay) |
| willybayot | 0:4db361f2e6d5 | 641 | { |
| willybayot | 0:4db361f2e6d5 | 642 | HAL_Delay(Delay); |
| willybayot | 0:4db361f2e6d5 | 643 | } |
| willybayot | 0:4db361f2e6d5 | 644 | |
| willybayot | 0:4db361f2e6d5 | 645 | /******************************* LINK JOYSTICK ********************************/ |
| willybayot | 0:4db361f2e6d5 | 646 | /** |
| willybayot | 0:4db361f2e6d5 | 647 | * @brief Initializes ADC MSP. |
| willybayot | 0:4db361f2e6d5 | 648 | * @param None |
| willybayot | 0:4db361f2e6d5 | 649 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 650 | */ |
| willybayot | 0:4db361f2e6d5 | 651 | static void ADCx_MspInit(ADC_HandleTypeDef *hadc) |
| willybayot | 0:4db361f2e6d5 | 652 | { |
| willybayot | 0:4db361f2e6d5 | 653 | GPIO_InitTypeDef GPIO_InitStruct; |
| willybayot | 0:4db361f2e6d5 | 654 | |
| willybayot | 0:4db361f2e6d5 | 655 | /*** Configure the GPIOs ***/ |
| willybayot | 0:4db361f2e6d5 | 656 | /* Enable GPIO clock */ |
| willybayot | 0:4db361f2e6d5 | 657 | NUCLEO_ADCx_GPIO_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 658 | |
| willybayot | 0:4db361f2e6d5 | 659 | /* Configure the selected ADC Channel as analog input */ |
| willybayot | 0:4db361f2e6d5 | 660 | GPIO_InitStruct.Pin = NUCLEO_ADCx_GPIO_PIN ; |
| willybayot | 0:4db361f2e6d5 | 661 | GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; |
| willybayot | 0:4db361f2e6d5 | 662 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
| willybayot | 0:4db361f2e6d5 | 663 | HAL_GPIO_Init(NUCLEO_ADCx_GPIO_PORT, &GPIO_InitStruct); |
| willybayot | 0:4db361f2e6d5 | 664 | |
| willybayot | 0:4db361f2e6d5 | 665 | /*** Configure the ADC peripheral ***/ |
| willybayot | 0:4db361f2e6d5 | 666 | /* Enable ADC clock */ |
| willybayot | 0:4db361f2e6d5 | 667 | NUCLEO_ADCx_CLK_ENABLE(); |
| willybayot | 0:4db361f2e6d5 | 668 | } |
| willybayot | 0:4db361f2e6d5 | 669 | |
| willybayot | 0:4db361f2e6d5 | 670 | /** |
| willybayot | 0:4db361f2e6d5 | 671 | * @brief Initializes ADC HAL. |
| willybayot | 0:4db361f2e6d5 | 672 | * @param None |
| willybayot | 0:4db361f2e6d5 | 673 | * @retval None |
| willybayot | 0:4db361f2e6d5 | 674 | */ |
| willybayot | 0:4db361f2e6d5 | 675 | static void ADCx_Init(void) |
| willybayot | 0:4db361f2e6d5 | 676 | { |
| willybayot | 0:4db361f2e6d5 | 677 | if(HAL_ADC_GetState(&hnucleo_Adc) == HAL_ADC_STATE_RESET) |
| willybayot | 0:4db361f2e6d5 | 678 | { |
| willybayot | 0:4db361f2e6d5 | 679 | /* ADC Config */ |
| willybayot | 0:4db361f2e6d5 | 680 | hnucleo_Adc.Instance = NUCLEO_ADCx; |
| willybayot | 0:4db361f2e6d5 | 681 | hnucleo_Adc.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4; /* (must not exceed 36MHz) */ |
| willybayot | 0:4db361f2e6d5 | 682 | hnucleo_Adc.Init.Resolution = ADC_RESOLUTION12b; |
| willybayot | 0:4db361f2e6d5 | 683 | hnucleo_Adc.Init.DataAlign = ADC_DATAALIGN_RIGHT; |
| willybayot | 0:4db361f2e6d5 | 684 | hnucleo_Adc.Init.ContinuousConvMode = DISABLE; |
| willybayot | 0:4db361f2e6d5 | 685 | hnucleo_Adc.Init.DiscontinuousConvMode = DISABLE; |
| willybayot | 0:4db361f2e6d5 | 686 | hnucleo_Adc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; |
| willybayot | 0:4db361f2e6d5 | 687 | hnucleo_Adc.Init.EOCSelection = EOC_SINGLE_CONV; |
| willybayot | 0:4db361f2e6d5 | 688 | hnucleo_Adc.Init.NbrOfConversion = 1; |
| willybayot | 0:4db361f2e6d5 | 689 | hnucleo_Adc.Init.DMAContinuousRequests = DISABLE; |
| willybayot | 0:4db361f2e6d5 | 690 | |
| willybayot | 0:4db361f2e6d5 | 691 | ADCx_MspInit(&hnucleo_Adc); |
| willybayot | 0:4db361f2e6d5 | 692 | HAL_ADC_Init(&hnucleo_Adc); |
| willybayot | 0:4db361f2e6d5 | 693 | } |
| willybayot | 0:4db361f2e6d5 | 694 | } |
| willybayot | 0:4db361f2e6d5 | 695 | |
| willybayot | 0:4db361f2e6d5 | 696 | /** |
| willybayot | 0:4db361f2e6d5 | 697 | * @brief Configures joystick available on adafruit 1.8" TFT shield |
| willybayot | 0:4db361f2e6d5 | 698 | * managed through ADC to detect motion. |
| willybayot | 0:4db361f2e6d5 | 699 | * @param None |
| willybayot | 0:4db361f2e6d5 | 700 | * @retval Joystickstatus (0=> success, 1=> fail) |
| willybayot | 0:4db361f2e6d5 | 701 | */ |
| willybayot | 0:4db361f2e6d5 | 702 | uint8_t BSP_JOY_Init(void) |
| willybayot | 0:4db361f2e6d5 | 703 | { |
| willybayot | 0:4db361f2e6d5 | 704 | uint8_t status = 1; |
| willybayot | 0:4db361f2e6d5 | 705 | |
| willybayot | 0:4db361f2e6d5 | 706 | ADCx_Init(); |
| willybayot | 0:4db361f2e6d5 | 707 | |
| willybayot | 0:4db361f2e6d5 | 708 | /* Select the ADC Channel to be converted */ |
| willybayot | 0:4db361f2e6d5 | 709 | sConfig.Channel = NUCLEO_ADCx_CHANNEL; |
| willybayot | 0:4db361f2e6d5 | 710 | sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES; |
| willybayot | 0:4db361f2e6d5 | 711 | sConfig.Rank = 1; |
| willybayot | 0:4db361f2e6d5 | 712 | status = HAL_ADC_ConfigChannel(&hnucleo_Adc, &sConfig); |
| willybayot | 0:4db361f2e6d5 | 713 | |
| willybayot | 0:4db361f2e6d5 | 714 | /* Return Joystick initialization status */ |
| willybayot | 0:4db361f2e6d5 | 715 | return status; |
| willybayot | 0:4db361f2e6d5 | 716 | } |
| willybayot | 0:4db361f2e6d5 | 717 | |
| willybayot | 0:4db361f2e6d5 | 718 | /** |
| willybayot | 0:4db361f2e6d5 | 719 | * @brief Returns the Joystick key pressed. |
| willybayot | 0:4db361f2e6d5 | 720 | * @note To know which Joystick key is pressed we need to detect the voltage |
| willybayot | 0:4db361f2e6d5 | 721 | * level on each key output |
| willybayot | 0:4db361f2e6d5 | 722 | * - None : 3.3 V / 4095 |
| willybayot | 0:4db361f2e6d5 | 723 | * - SEL : 1.055 V / 1308 |
| willybayot | 0:4db361f2e6d5 | 724 | * - DOWN : 0.71 V / 88 |
| willybayot | 0:4db361f2e6d5 | 725 | * - LEFT : 3.0 V / 3720 |
| willybayot | 0:4db361f2e6d5 | 726 | * - RIGHT : 0.595 V / 737 |
| willybayot | 0:4db361f2e6d5 | 727 | * - UP : 1.65 V / 2046 |
| willybayot | 0:4db361f2e6d5 | 728 | * @retval JOYState_TypeDef: Code of the Joystick key pressed. |
| willybayot | 0:4db361f2e6d5 | 729 | */ |
| willybayot | 0:4db361f2e6d5 | 730 | JOYState_TypeDef BSP_JOY_GetState(void) |
| willybayot | 0:4db361f2e6d5 | 731 | { |
| willybayot | 0:4db361f2e6d5 | 732 | JOYState_TypeDef state; |
| willybayot | 0:4db361f2e6d5 | 733 | uint16_t keyconvertedvalue = 0; |
| willybayot | 0:4db361f2e6d5 | 734 | |
| willybayot | 0:4db361f2e6d5 | 735 | /* Start the conversion process */ |
| willybayot | 0:4db361f2e6d5 | 736 | HAL_ADC_Start(&hnucleo_Adc); |
| willybayot | 0:4db361f2e6d5 | 737 | |
| willybayot | 0:4db361f2e6d5 | 738 | /* Wait for the end of conversion */ |
| willybayot | 0:4db361f2e6d5 | 739 | HAL_ADC_PollForConversion(&hnucleo_Adc, 10); |
| willybayot | 0:4db361f2e6d5 | 740 | |
| willybayot | 0:4db361f2e6d5 | 741 | /* Check if the continous conversion of regular channel is finished */ |
| willybayot | 0:4db361f2e6d5 | 742 | if(HAL_ADC_GetState(&hnucleo_Adc) == HAL_ADC_STATE_EOC_REG) |
| willybayot | 0:4db361f2e6d5 | 743 | { |
| willybayot | 0:4db361f2e6d5 | 744 | /* Get the converted value of regular channel */ |
| willybayot | 0:4db361f2e6d5 | 745 | keyconvertedvalue = HAL_ADC_GetValue(&hnucleo_Adc); |
| willybayot | 0:4db361f2e6d5 | 746 | } |
| willybayot | 0:4db361f2e6d5 | 747 | |
| willybayot | 0:4db361f2e6d5 | 748 | if((keyconvertedvalue > 2010) && (keyconvertedvalue < 2090)) |
| willybayot | 0:4db361f2e6d5 | 749 | { |
| willybayot | 0:4db361f2e6d5 | 750 | state = JOY_UP; |
| willybayot | 0:4db361f2e6d5 | 751 | } |
| willybayot | 0:4db361f2e6d5 | 752 | else if((keyconvertedvalue > 680) && (keyconvertedvalue < 780)) |
| willybayot | 0:4db361f2e6d5 | 753 | { |
| willybayot | 0:4db361f2e6d5 | 754 | state = JOY_RIGHT; |
| willybayot | 0:4db361f2e6d5 | 755 | } |
| willybayot | 0:4db361f2e6d5 | 756 | else if((keyconvertedvalue > 1270) && (keyconvertedvalue < 1350)) |
| willybayot | 0:4db361f2e6d5 | 757 | { |
| willybayot | 0:4db361f2e6d5 | 758 | state = JOY_SEL; |
| willybayot | 0:4db361f2e6d5 | 759 | } |
| willybayot | 0:4db361f2e6d5 | 760 | else if((keyconvertedvalue > 50) && (keyconvertedvalue < 130)) |
| willybayot | 0:4db361f2e6d5 | 761 | { |
| willybayot | 0:4db361f2e6d5 | 762 | state = JOY_DOWN; |
| willybayot | 0:4db361f2e6d5 | 763 | } |
| willybayot | 0:4db361f2e6d5 | 764 | else if((keyconvertedvalue > 3680) && (keyconvertedvalue < 3760)) |
| willybayot | 0:4db361f2e6d5 | 765 | { |
| willybayot | 0:4db361f2e6d5 | 766 | state = JOY_LEFT; |
| willybayot | 0:4db361f2e6d5 | 767 | } |
| willybayot | 0:4db361f2e6d5 | 768 | else |
| willybayot | 0:4db361f2e6d5 | 769 | { |
| willybayot | 0:4db361f2e6d5 | 770 | state = JOY_NONE; |
| willybayot | 0:4db361f2e6d5 | 771 | } |
| willybayot | 0:4db361f2e6d5 | 772 | |
| willybayot | 0:4db361f2e6d5 | 773 | /* Loop while a key is pressed */ |
| willybayot | 0:4db361f2e6d5 | 774 | if(state != JOY_NONE) |
| willybayot | 0:4db361f2e6d5 | 775 | { |
| willybayot | 0:4db361f2e6d5 | 776 | keyconvertedvalue = HAL_ADC_GetValue(&hnucleo_Adc); |
| willybayot | 0:4db361f2e6d5 | 777 | } |
| willybayot | 0:4db361f2e6d5 | 778 | /* Return the code of the Joystick key pressed */ |
| willybayot | 0:4db361f2e6d5 | 779 | return state; |
| willybayot | 0:4db361f2e6d5 | 780 | } |
| willybayot | 0:4db361f2e6d5 | 781 | |
| willybayot | 0:4db361f2e6d5 | 782 | /** |
| willybayot | 0:4db361f2e6d5 | 783 | * @} |
| willybayot | 0:4db361f2e6d5 | 784 | */ |
| willybayot | 0:4db361f2e6d5 | 785 | |
| willybayot | 0:4db361f2e6d5 | 786 | /** |
| willybayot | 0:4db361f2e6d5 | 787 | * @} |
| willybayot | 0:4db361f2e6d5 | 788 | */ |
| willybayot | 0:4db361f2e6d5 | 789 | |
| willybayot | 0:4db361f2e6d5 | 790 | /** |
| willybayot | 0:4db361f2e6d5 | 791 | * @} |
| willybayot | 0:4db361f2e6d5 | 792 | */ |
| willybayot | 0:4db361f2e6d5 | 793 | |
| willybayot | 0:4db361f2e6d5 | 794 | /** |
| willybayot | 0:4db361f2e6d5 | 795 | * @} |
| willybayot | 0:4db361f2e6d5 | 796 | */ |
| willybayot | 0:4db361f2e6d5 | 797 | |
| willybayot | 0:4db361f2e6d5 | 798 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |