149 lines
4.5 KiB
C
149 lines
4.5 KiB
C
#include <stdio.h>
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#include "bsp.h"
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static uint32_t EthStatus = 0;
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void SysTick_Handler(void)
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{
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GPIO_ToggleBits(GPIOB, GPIO_Pin_14);
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}
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void USART2_IRQHandler()
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{
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}
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void sysTick_init(void) {
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uint32_t tick = 10000000;
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SysTick->LOAD = tick;
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SysTick->VAL = 0;
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SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk;
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}
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void gpio_init() {
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const uint16_t led_pins = GPIO_Pin_0 | GPIO_Pin_7 | GPIO_Pin_14;
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const uint16_t usart_pins = GPIO_Pin_5 | GPIO_Pin_6;
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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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GPIO_InitTypeDef gpio;
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/***************LED_CONF********************/
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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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/**************UART_CONF********************/
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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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/*******************************************/
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/***************ETH_CONF********************/
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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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/*******************************************/
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}
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void usart_init() {
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
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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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//NVIC_EnableIRQ(USART2_IRQn);
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}
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const uint8_t MAC_ADDR[6] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55};
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const uint8_t PHY_ADDR = 0x00;
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void eth_init() {
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ETH_InitTypeDef ETH_InitStructure;
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ETH_DeInit();
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ETH_SoftwareReset();
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printf("Eth reseting...\r\n");
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while (ETH_GetSoftwareResetStatus() == SET);
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printf("Done\r\n");
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ETH_MACAddressConfig(ETH_MAC_Address0, MAC_ADDR);
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_ETH_MAC | RCC_AHB1Periph_ETH_MAC_Tx | RCC_AHB1Periph_ETH_MAC_Rx, ENABLE);
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ETH_StructInit(Ð_InitStructure);
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ETH_InitStructure.ETH_AutoNegotiation = ETH_AutoNegotiation_Enable;
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ETH_InitStructure.ETH_Speed = ETH_Speed_100M;
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ETH_InitStructure.ETH_Mode = ETH_Mode_FullDuplex;
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ETH_InitStructure.ETH_LoopbackMode = ETH_LoopbackMode_Disable;
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ETH_InitStructure.ETH_RetryTransmission = ETH_RetryTransmission_Disable;
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ETH_InitStructure.ETH_AutomaticPadCRCStrip = ETH_AutomaticPadCRCStrip_Disable;
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ETH_InitStructure.ETH_ReceiveAll = ETH_ReceiveAll_Enable;
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ETH_InitStructure.ETH_BroadcastFramesReception = ETH_BroadcastFramesReception_Enable;
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ETH_InitStructure.ETH_PromiscuousMode = ETH_PromiscuousMode_Disable;
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ETH_InitStructure.ETH_MulticastFramesFilter = ETH_MulticastFramesFilter_Perfect;
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ETH_InitStructure.ETH_UnicastFramesFilter = ETH_UnicastFramesFilter_Perfect;
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EthStatus = ETH_Init(Ð_InitStructure, PHY_ADDR);
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printf("Eth init with status: %d\r\n", EthStatus);
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ETH_Start();
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}
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void board_init() {
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uint32_t tick = 0x1000000;
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SysTick_Config(tick);
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NVIC_EnableIRQ(SysTick_IRQn);
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__enable_irq();
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gpio_init();
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usart_init();
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eth_init();
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printf("Controller is started...\n");
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// printf("clk: %.d\r\n", tick);
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}
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uint32_t getRegister() {
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return EthStatus;
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}
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