158 lines
4.5 KiB
C
158 lines
4.5 KiB
C
#include "../bsp/bsp.h"
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void MX_GPIO_Init(void)
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{
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RCC_AHB1PeriphClockCmd(
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RCC_AHB1Periph_GPIOA |
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RCC_AHB1Periph_GPIOB |
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RCC_AHB1Periph_GPIOC |
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RCC_AHB1Periph_GPIOD |
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RCC_AHB1Periph_GPIOG,
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ENABLE
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);
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const uint16_t led_pins = GPIO_Pin_0 | GPIO_Pin_7 | GPIO_Pin_14;
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GPIO_InitTypeDef gpio;
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GPIO_StructInit(&gpio);
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gpio.GPIO_Mode = GPIO_Mode_OUT;
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gpio.GPIO_Pin = led_pins;
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GPIO_Init(GPIOB, &gpio);
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GPIO_ResetBits(GPIOB, led_pins);
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}
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void MX_USART2_UART_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
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GPIO_InitTypeDef gpio;
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const uint16_t usart_pins = GPIO_Pin_5 | GPIO_Pin_6;
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gpio.GPIO_Mode = GPIO_Mode_AF;
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gpio.GPIO_Pin = usart_pins;
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gpio.GPIO_Speed = GPIO_Speed_50MHz;
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gpio.GPIO_OType = GPIO_OType_PP;
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gpio.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_Init(GPIOD, &gpio);
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GPIO_PinAFConfig(GPIOD, GPIO_PinSource5, GPIO_AF_USART2);
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GPIO_PinAFConfig(GPIOD, GPIO_PinSource6, GPIO_AF_USART2);
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// NVIC_SetPriority(USART2_IRQn, 0);
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// NVIC_EnableIRQ(USART2_IRQn);
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USART_InitTypeDef usart;
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usart.USART_BaudRate = 115200;
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usart.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
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USART_Init(USART2, &usart);
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USART_Cmd(USART2, ENABLE);
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}
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void SystemClock_Config();
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void eth_init() {
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RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_ETHMACEN, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_ETHMACRXEN, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_ETHMACTXEN, ENABLE);
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GPIO_InitTypeDef gpio;
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gpio.GPIO_Mode = GPIO_Mode_AF;
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gpio.GPIO_Speed = GPIO_Speed_100MHz;
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gpio.GPIO_OType = GPIO_OType_PP;
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gpio.GPIO_PuPd = GPIO_PuPd_NOPULL;
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gpio.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_7;
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GPIO_Init(GPIOA, &gpio);
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource1, GPIO_AF_ETH); //RMII ref clock
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_ETH); //RMII MDIO
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_ETH); //RMII RX Data Valid
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gpio.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5;
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GPIO_Init(GPIOC, &gpio);
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GPIO_PinAFConfig(GPIOC, GPIO_PinSource1, GPIO_AF_ETH); //RMII MDC
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GPIO_PinAFConfig(GPIOC, GPIO_PinSource4, GPIO_AF_ETH); //RMII RXD0
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GPIO_PinAFConfig(GPIOC, GPIO_PinSource5, GPIO_AF_ETH); //RMII RXD1
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gpio.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_13;
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GPIO_Init(GPIOG, &gpio);
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GPIO_PinAFConfig(GPIOG, GPIO_PinSource11, GPIO_AF_ETH); //RMII TX enable
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GPIO_PinAFConfig(GPIOG, GPIO_PinSource13, GPIO_AF_ETH); //RMII TXD0
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gpio.GPIO_Pin = GPIO_Pin_13;
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GPIO_Init(GPIOB, &gpio);
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GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_ETH); //RMII TXD1
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NVIC_SetPriority(ETH_IRQn, 0);
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NVIC_EnableIRQ(ETH_IRQn);
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}
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int main(void)
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{
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
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SystemClock_Config();
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uint32_t tick = SystemCoreClock/1000 - 1;
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SysTick_Config(tick);
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MX_GPIO_Init();
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MX_USART2_UART_Init();
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eth_init();
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MX_LWIP_Init();
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printf("Starting main loop..\r\n");
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printf("SysClock: %d\r\n:", SystemCoreClock);
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printf("FLASH->ACR: %d\r\n", FLASH->ACR);
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printf("RCC->CFGR :%d\r\n", RCC->CFGR);
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printf("RCC->CR :%d\r\n", RCC->CR);
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printf("RCC->PLLCFGR :%d\r\n", RCC->PLLCFGR);
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printf("RCC->APB1ENR :%d\r\n", RCC->APB1ENR);
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udpServer_init();
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while (1)
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{
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MX_LWIP_Process(); // poll for ethernet rx and timer operations.
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const char *data = "Hello, world!";
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udp_send_data(data, strlen(data));
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GPIO_ToggleBits(GPIOB, GPIO_Pin_14);
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delay(500);
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}
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}
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void SystemClock_Config()
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{
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// SystemInit();
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SystemCoreClock = 180000000;
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}
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void Error_Handler(void)
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{
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printf("Error Handler Triggered..\r\n");
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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