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https://github.com/IcedRooibos/py32f0-template.git
synced 2025-10-28 16:32:05 -07:00
refactor: nrf24l01 example, rx interrupt
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IOsetting
parent
d430e05ff4
commit
8d60209268
@ -17,13 +17,15 @@
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#include "py32f0xx_bsp_printf.h"
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#include "nrf24l01.h"
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/* MODE_TX, MODE_RX, MODE_RX_INT */
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#define MODE_TX 0
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#define MODE_RX 2
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#define MODE_RX_INT 3
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#define NRF24_MODE MODE_TX
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uint8_t RX_ADDRESS[NRF24L01_ADDR_WIDTH] = {0x32,0x4E,0x6F,0x64,0x65};
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uint8_t TX_ADDRESS[NRF24L01_ADDR_WIDTH] = {0x32,0x4E,0x6F,0x64,0x22};
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/*-----------------------------------------------------*/
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/* Mode: sending:1 or receiving:0 */
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uint8_t Mode = 1;
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/*-----------------------------------------------------*/
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extern uint8_t RX_BUF[];
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extern uint8_t TX_BUF[];
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@ -50,42 +52,58 @@ int main(void)
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while (NRF24L01_Check() != 0)
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{
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printf("nRF24L01 check failed\r\n");
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printf("nRF24L01 check: error\r\n");
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LL_mDelay(2000);
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}
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printf("nRF24L01 check succeeded\r\n");
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printf("nRF24L01 check: succ\r\n");
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if (Mode == 1)
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#if (NRF24_MODE == MODE_RX)
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printf("nRF24L01 in RX polling mode\r\n");
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NRF24L01_RX_Mode(TX_ADDRESS, RX_ADDRESS);
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NRF24L01_DumpConfig();
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while(1)
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{
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printf("nRF24L01 in SEND mode\r\n");
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NRF24L01_TX_Mode(RX_ADDRESS, TX_ADDRESS);
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}
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else if (Mode == 0)
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{
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printf("nRF24L01 in RECEIVE mode\r\n");
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NRF24L01_RX_Mode(TX_ADDRESS, RX_ADDRESS);
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NRF24L01_RxPacket(RX_BUF);
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}
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while (1)
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{
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NRF24L01_DumpConfig();
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#elif (NRF24_MODE == MODE_RX_INT)
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printf("nRF24L01 in RX interrupt mode\r\n");
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NRF24L01_RX_Mode(TX_ADDRESS, RX_ADDRESS);
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NRF24L01_ClearIRQFlags();
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NRF24L01_DumpConfig();
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if (Mode == 1)
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{
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uint8_t tmp[] = {0x1f,
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0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
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0x21, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x28,
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0x31, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x38,
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0x41, 0x12, 0x13, 0x14, 0x15, 0x16, 0x47, 0x48};
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NRF24L01_TxPacket(tmp, 32);
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LL_mDelay(1000);
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}
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else if (Mode == 0)
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{
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NRF24L01_RxPacket(RX_BUF);
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}
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while(1);
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#elif (NRF24_MODE == MODE_TX)
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uint8_t tmp[] = {0x1f,
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0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
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0x21, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x28,
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0x31, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x38,
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0x41, 0x12, 0x13, 0x14, 0x15, 0x16, 0x47, 0x48};
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printf("nRF24L01 in TX mode\r\n");
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NRF24L01_TX_Mode(RX_ADDRESS, TX_ADDRESS);
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NRF24L01_DumpConfig();
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while(1)
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{
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NRF24L01_TxPacket(tmp, 32);
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LL_mDelay(500);
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}
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#endif
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}
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#if (NRF24_MODE == MODE_RX_INT)
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void EXTI4_15_IRQHandler(void)
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{
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if(LL_EXTI_IsActiveFlag(LL_EXTI_LINE_4))
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{
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NRF24L01_IntRxPacket(RX_BUF);
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LL_EXTI_ClearFlag(LL_EXTI_LINE_4);
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}
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}
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#endif
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uint8_t SPI_TxRxByte(uint8_t data)
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{
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@ -108,6 +126,10 @@ uint8_t SPI_TxRxByte(uint8_t data)
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static void APP_GPIOConfig(void)
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{
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LL_GPIO_InitTypeDef GPIO_InitStruct;
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#if (NRF24_MODE == MODE_RX_INT)
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LL_EXTI_InitTypeDef EXTI_InitStruct;
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#endif
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// PA6 CSN
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LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_6, LL_GPIO_MODE_OUTPUT);
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// PA5 CE
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@ -117,6 +139,18 @@ static void APP_GPIOConfig(void)
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GPIO_InitStruct.Mode = LL_GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = LL_GPIO_PULL_UP;
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LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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#if (NRF24_MODE == MODE_RX_INT)
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/* Triggerred by falling edge */
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EXTI_InitStruct.Line = LL_EXTI_LINE_4;
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EXTI_InitStruct.LineCommand = ENABLE;
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EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
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EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
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LL_EXTI_Init(&EXTI_InitStruct);
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NVIC_SetPriority(EXTI4_15_IRQn, 1);
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NVIC_EnableIRQ(EXTI4_15_IRQn);
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#endif
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}
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/**
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@ -190,6 +190,7 @@ void NRF24L01_RX_Mode(uint8_t *rx_addr, uint8_t *tx_addr)
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*/
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NRF24L01_Write_Reg(NRF24L01_CMD_REGISTER_W + NRF24L01_REG_CONFIG, 0x0f); //RX,PWR_UP,CRC16,EN_CRC
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CE(1);
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NRF24L01_FlushRX();
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}
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/**
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@ -215,15 +216,17 @@ uint8_t NRF24L01_RxPacket(uint8_t *rx_buf)
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while(IRQ);
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CE(0);
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status = NRF24L01_Read_Reg(NRF24L01_REG_STATUS);
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printf("Interrupted, status: %02X\r\n", status);
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BSP_UART_TxHex8(status);
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BSP_UART_TxChar(':');
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if(status & NRF24L01_FLAG_RX_DREADY)
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{
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NRF24L01_Read_To_Buf(NRF24L01_CMD_RX_PLOAD_R, rx_buf, NRF24L01_PLOAD_WIDTH);
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for (int i = 0; i < 32; i++)
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{
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printf("%02X ", RX_BUF[i]);
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BSP_UART_TxHex8(RX_BUF[i]);
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}
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BSP_UART_TxString("\r\n");
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result = 1;
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NRF24L01_ClearIRQFlag(NRF24L01_FLAG_RX_DREADY);
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}
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@ -231,6 +234,32 @@ uint8_t NRF24L01_RxPacket(uint8_t *rx_buf)
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return result;
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}
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/**
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* Read in interrupt
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*/
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void NRF24L01_IntRxPacket(uint8_t *rx_buf)
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{
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uint8_t status;
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CE(0);
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status = NRF24L01_Read_Reg(NRF24L01_REG_STATUS);
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BSP_UART_TxHex8(status);
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BSP_UART_TxChar(':');
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if(status & NRF24L01_FLAG_RX_DREADY)
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{
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NRF24L01_Read_To_Buf(NRF24L01_CMD_RX_PLOAD_R, rx_buf, NRF24L01_PLOAD_WIDTH);
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for (int i = 0; i < 32; i++)
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{
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BSP_UART_TxHex8(RX_BUF[i]);
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}
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BSP_UART_TxString("\r\n");
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NRF24L01_ClearIRQFlag(NRF24L01_FLAG_RX_DREADY);
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}
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status |= NRF24L01_MASK_STATUS_IRQ;
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NRF24L01_Write_Reg(NRF24L01_REG_STATUS, status);
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CE(1);
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}
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/**
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* Send data in tx_buf and wait till data is sent or max re-tr reached
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*/
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@ -245,20 +274,20 @@ uint8_t NRF24L01_TxPacket(uint8_t *tx_buf, uint8_t len)
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CE(0);
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status = NRF24L01_Read_Reg(NRF24L01_REG_STATUS);
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printf("Interrupted, status: %02X\r\n", status);
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BSP_UART_TxHex8(status);
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BSP_UART_TxChar(':');
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if(status & NRF24L01_FLAG_TX_DSENT)
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{
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printf("Data sent: ");
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BSP_UART_TxString("Data sent: ");
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for (uint8_t i = 0; i < len; i++) {
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printf("%02X ", tx_buf[i]);
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BSP_UART_TxHex8(tx_buf[i]);
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}
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printf("\r\n");
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BSP_UART_TxString("\r\n");
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NRF24L01_ClearIRQFlag(NRF24L01_FLAG_TX_DSENT);
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}
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else if(status & NRF24L01_FLAG_MAX_RT)
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{
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printf("Sending exceeds max retries\r\n");
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BSP_UART_TxString("Sending exceeds max retries\r\n");
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NRF24L01_FlushTX();
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NRF24L01_ClearIRQFlag(NRF24L01_FLAG_MAX_RT);
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}
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@ -124,6 +124,7 @@ uint8_t NRF24L01_Write_From_Buf(uint8_t reg,uint8_t *pBuf,uint8_t len);
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* Hold till data received and written to rx_buf
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*/
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uint8_t NRF24L01_RxPacket(uint8_t *rx_buf);
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void NRF24L01_IntRxPacket(uint8_t *rx_buf);
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/**
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* Send data in tx_buf and wait till data is sent or max re-tr reached
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