184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243
#define MAX_TX #define TX_OK #define RX_OK /********* #define #define #define #RX_ADR_WIDTH TX_PLOAD_WIDTH RX_PLOAD_WIDTH
Page 3
// // // // // //
/**SPI1 GPIO Configuration PA5 ------> SPI1_SCK PA6 ------> SPI1_MISO PA7 ------> SPI1_MOSI */ GPIO_InitStruct.Pin = SCK_Pin|MISO_Pin|MOSI_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; GPIO_InitStruct.Alternate = GPIO_AF0_SPI1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE END 0 */ SPI_HandleTypeDef hspi1; /* SPI1 init function */ void MX_SPI1_Init(void) { hspi1.Instance = SPI1; hspi1.Init.Mode = SPI_MODE_MASTER; hspi1.Init.Direction = SPI_DIRECTION_2LINES; hspi1.Init.DataSize = SPI_DATASIZE_8BIT; hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; hspi1.Init.NSS = SPI_NSS_SOFT; hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16; hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; hspi1.Init.TIMode = SPI_TIMODE_DISABLE; hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; hspi1.Init.CRCPolynomial = 7; hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; if (HAL_SPI_Init(&hspi1) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } } void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) { GPIO_InitTypeDef GPIO_InitStruct; if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspInit 0 */ /* USER CODE END SPI1_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_SPI1_CLK_ENABLE();
uint8_t TX_ADDRESS[TX_ADR_WIDTH] = {0x12,0x34,0x56,0x78,0x90}; uint8_t RX_ADDRESS[RX_ADR_WIDTH] = {0x12,0x34,0x56,0x78,0x90}; /********** NRF24L01 Register Command***********/ #define READ_REGE 0x00 #define WRITE_REGE 0x20 #define RD_RX_PLOAD 0x61 #define WR_TX_PLOAD 0xA0 #define FLUSH_TX 0xE1 #define FLUSH_RX 0xE2 #define REUSE_TX_PL 0xE3 #define NOP 0xFF /********** NRF24L01 Register Address #define CONFIG 0x00 #define EN_AA 0x01 #define EN_RXADDR 0x02 #define SETUP_AW 0x03 #define SETUP_RETR 0x04 #define RF_CH 0x05 #define RF_SETUP 0x06 #define STATUS 0x07 #define OBSERVE_TX 0x08 #define CD 0x09 #define RX_ADDR_P0 0x0A #define RX_ADDR_P1 0x0B #define RX_ADDR_P2 0x0C #define RX_ADDR_P3 0x0D #define RX_ADDR_P4 0x0E #define RX_ADDR_P5 0x0F #define TX_ADDR 0x10 #define RX_PW_P0 0x11 #define RX_PW_P1 0x12 *************/
Page 1
/** ****************************************************************************** * File Name : SPI.c * Description : This file provides code for the configuration * of the SPI instances. * Auther : Dhg * Date : 2017-11-26 * Note : 本程序可实现NRF24L01驱动，网上类似可用资源不多，且不一定可用； 自己通过多次试验才写好驱动，实测可用，特此分享给大家； 希望可以帮助大家少走弯路!
123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183
62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
/*Configure GPIO pin : PtPin */ GPIO_InitStruct.Pin = MISO_Pin; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLUP; HAL_GPIO_Init(IRQ_GPIO_Port, &GPIO_InitStruct); /*Configure GPIO pins : PAPin PAPin */ GPIO_InitStruct.Pin = MOSI_Pin|SCK_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
Page 2
#define #define #define #define #define /******
RX_PW_P2 RX_PW_P3 RX_PW_P4 RX_PW_P5 FIFO_STATUS
0x13 0x14 0x15 0x16 0x17 *******/
STATUS Register bit 0x10 0x20 0x40 24L01 Data Length 5 5 32 32
/* USER CODE BEGIN SPI1_MspInit 1 */ /* USER CODE END SPI1_MspInit 1 */ } } void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) { if(spiHandle->Instance==SPI1) { /* USER CODE BEGIN SPI1_MspDeInit 0 */ /* USER CODE END SPI1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_SPI1_CLK_DISABLE(); /**SPI1 GPIO Configuration PA5 ------> SPI1_SCK PA6 ------> SPI1_MISO PA7 ------> SPI1_MOSI */ HAL_GPIO_DeInit(GPIOA, SCK_Pin|MISO_Pin|MOSI_Pin); /* USER CODE BEGIN SPI1_MspDeInit 1 */ /* USER CODE END SPI1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */