#include "myRadio_gpio.h" #include "stm32f10x.h" #include "stm32f10x_exti.h" RADIO_GPIO_CALLBACK gpioCallback; int spiMosiMode = 0; //---------------------------射频SPI驱动部分--------------------- void BOARD_SPI_NSS_H(void) { GPIO_WriteBit(BOARD_GPIO_SPI_CSN, BOARD_PIN_H); } void BOARD_SPI_NSS_L(void) { GPIO_WriteBit(BOARD_GPIO_SPI_CSN, BOARD_PIN_L); } void BOARD_SPI_SCK_H(void) { GPIO_WriteBit(BOARD_GPIO_SPI_CLK, BOARD_PIN_H); } void BOARD_SPI_SCK_L(void) { GPIO_WriteBit(BOARD_GPIO_SPI_CLK, BOARD_PIN_L); } void BOARD_SPI_MISO_H(void) { GPIO_WriteBit(BOARD_GPIO_SPI_MISO, BOARD_PIN_H); } void BOARD_SPI_MISO_L(void) { GPIO_WriteBit(BOARD_GPIO_SPI_MISO, BOARD_PIN_L); } void BOARD_SPI_MOSI_H(void) { #ifdef SPI_SOFT_3LINE int ret; if (spiMosiMode == 0) { GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MOSI; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_MOSI, &GPIO_InitStructure); } spiMosiMode = 1; #endif GPIO_WriteBit(BOARD_GPIO_SPI_MOSI, BOARD_PIN_H); } void BOARD_SPI_MOSI_L(void) { #ifdef SPI_SOFT_3LINE int ret; if (spiMosiMode == 0) { GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MOSI; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_MOSI, &GPIO_InitStructure); } spiMosiMode = 1; #endif GPIO_WriteBit(BOARD_GPIO_SPI_MOSI, BOARD_PIN_L); } uint8_t READ_BOARD_SPI_MISO(void) { #ifndef SPI_SOFT_3LINE return GPIO_ReadInputDataBit(BOARD_GPIO_SPI_MISO); #else int ret; if (spiMosiMode == 1) { GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MOSI; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_MOSI, &GPIO_InitStructure); } spiMosiMode = 0; ret = GPIO_ReadInputDataBit(BOARD_GPIO_SPI_MOSI); return ret; #endif } //---------------------------射频驱动IO部分--------------------- void RF_PAN3029_IRQ_H(void) { GPIO_WriteBit(RF_PAN3029_IRQ, BOARD_PIN_H); } void RF_PAN3029_IRQ_L(void) { GPIO_WriteBit(RF_PAN3029_IRQ, BOARD_PIN_L); } void RF_PAN3029_NRST_H(void) { GPIO_WriteBit(RF_PAN3029_NRST, BOARD_PIN_H); } void RF_PAN3029_NRST_L(void) { GPIO_WriteBit(RF_PAN3029_NRST, BOARD_PIN_L); } void RF_PAN3029_IO3_H(void) { GPIO_WriteBit(RF_PAN3029_IO3, BOARD_PIN_H); } void RF_PAN3029_IO3_L(void) { GPIO_WriteBit(RF_PAN3029_IO3, BOARD_PIN_L); } void RF_EXT_PA_RE_H(void) { GPIO_WriteBit(RF_EXTPA_RE, BOARD_PIN_H); } void RF_EXT_PA_RE_L(void) { GPIO_WriteBit(RF_EXTPA_RE, BOARD_PIN_L); } void RF_EXT_PA_TE_H(void) { GPIO_WriteBit(RF_EXTPA_TE, BOARD_PIN_H); } void RF_EXT_PA_TE_L(void) { GPIO_WriteBit(RF_EXTPA_TE, BOARD_PIN_L); } uint8_t READ_RF_PAN3029_IRQ(void) { return GPIO_ReadInputDataBit(RF_PAN3029_IRQ); } void EXTI0_IRQHandler(void) { if(EXTI_GetITStatus(EXTI_Line0) != RESET) { /* Clear the EXTI line 1 pending bit */ EXTI_ClearITPendingBit(EXTI_Line0); if (READ_RF_PAN3029_IRQ()) { gpioCallback(1); } } } // BOARD_GPIOB void myRadio_gpio_irq_init() { NVIC_InitTypeDef NVIC_InitStructure; EXTI_InitTypeDef EXTI_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = RF_PAN3029_IRQ_PIN; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_Init(RF_PAN3029_IRQ_PORT, &GPIO_InitStructure); EXTI_ClearITPendingBit(EXTI_Line0); EXTI_InitStructure.EXTI_Line = EXTI_Line0; EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; EXTI_InitStructure.EXTI_LineCmd = ENABLE; EXTI_Init(&EXTI_InitStructure); GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource0); /* Enable and set EXTI1 Interrupt */ NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void myRadio_gpio_init(RADIO_GPIO_CALLBACK cb) { GPIO_InitTypeDef GPIO_InitStructure; SPI_InitTypeDef SPI_InitStructure; #if defined(SPI_HARD) //----------SPI1时钟使能 RCC_APB2PeriphClockCmd( RCC_APB2Periph_SPI1, ENABLE ); GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_CLK | BOARD_PIN_SPI_MISO | BOARD_PIN_SPI_MOSI; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_CLK, &GPIO_InitStructure); GPIO_SetBits(BOARD_GPIO_SPI_CLK | BOARD_PIN_SPI_MISO | BOARD_PIN_SPI_MOSI); /*!< SPI configuration */ SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; SPI_InitStructure.SPI_Mode = SPI_Mode_Master; SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16; SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; SPI_InitStructure.SPI_CRCPolynomial = 7; SPI_Init(SPI1, &SPI_InitStructure); /*!< Enable the SPI1 */ SPI_Cmd(SPI1, ENABLE); #else GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MOSI; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_MOSI, &GPIO_InitStructure); #ifndef SPI_SOFT_3LINE GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_MISO; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_MISO, &GPIO_InitStructure); #endif GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_CLK; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_CLK, &GPIO_InitStructure); BOARD_SPI_SCK_L(); #endif GPIO_InitStructure.GPIO_Pin = BOARD_PIN_SPI_CSN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(BOARD_PORT_SPI_CSN, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = RF_PAN3029_IRQ_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(RF_PAN3029_IRQ_PORT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = RF_PAN3029_NRST_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(RF_PAN3029_NRST_PORT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = RF_PAN3029_IO3_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(RF_PAN3029_IO3_PORT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = RF_PAN3029_IO11_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(RF_PAN3029_IO11_PORT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = RF_EXTPA_RE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(RF_EXTPA_RE_PORT, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = RF_EXTPA_TE_PIN; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(RF_EXTPA_TE_PORT, &GPIO_InitStructure); BOARD_SPI_NSS_H(); RF_PAN3029_NRST_H(); myRadio_gpio_irq_init(); gpioCallback = cb; } uint8_t myRadioSpi_rwByte(uint8_t byteToWrite) { uint16_t i; uint8_t temp; temp = 0; #if defined(SPI_HARD) while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET) //检查指定的SPI标志位设置与否:发送缓存空标志位 { i++; if(i > 2000)return 0; } SPI_I2S_SendData(SPI1, byteToWrite); //通过外设SPIx发送一个数据 i=0; while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET)//检查指定的SPI标志位设置与否:接受缓存非空标志位 { i++; if(i > 2000)return 0; } /*!< Return the byte read from the SPI bus */ temp = SPI_I2S_ReceiveData(SPI1); #else BOARD_SPI_SCK_L(); for(i = 0; i < 8; i ++) { if(byteToWrite & 0x80) { BOARD_SPI_MOSI_H(); } else { BOARD_SPI_MOSI_L(); } byteToWrite <<= 1; BOARD_SPI_SCK_H(); temp <<= 1; if(READ_BOARD_SPI_MISO()) { temp ++; } BOARD_SPI_SCK_L(); } #endif return temp; } void myRadioSpi_wBuffer(uint8_t* pData, uint8_t len) { uint8_t i; for(i = 0; i < len; i++) { myRadioSpi_rwByte(*pData); pData ++; } } void myRadioSpi_rBuffer(uint8_t* pData, uint8_t len) { uint8_t i; for(i = 0; i < len; i++) { *pData = myRadioSpi_rwByte(0xFF); pData ++; } }