162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
#include "misc.h"
|
|
#include "bsp.h"
|
|
#include "lwip.h"
|
|
|
|
#define MAX_DELAY 0xFFFFFFFU
|
|
#define INTERVAL 500
|
|
|
|
static uint32_t EthStatus = 0;
|
|
static volatile uint32_t sysTick = 0;
|
|
static volatile uint32_t cnt = 0;
|
|
|
|
void SysTick_Handler(void)
|
|
{
|
|
if (cnt == INTERVAL) {
|
|
|
|
// uint32_t regvalue = 0;
|
|
// HAL_ETH_ReadPHYRegister(getEthStruct(), 1, ®value);
|
|
|
|
// printf("PHY: %d\r\n", regvalue);
|
|
|
|
GPIO_ToggleBits(GPIOB, GPIO_Pin_14);
|
|
cnt = 0;
|
|
}
|
|
sysTick++;
|
|
cnt++;
|
|
}
|
|
|
|
uint32_t getSysTick() {
|
|
return sysTick;
|
|
}
|
|
|
|
void delay(uint32_t delay) {
|
|
uint32_t tickStart = getSysTick();
|
|
uint32_t wait = delay;
|
|
if (wait < MAX_DELAY) {
|
|
wait++;
|
|
}
|
|
while((getSysTick() - tickStart) < wait) {}
|
|
}
|
|
|
|
void USART2_IRQHandler()
|
|
{
|
|
|
|
}
|
|
|
|
void gpio_init() {
|
|
|
|
const uint16_t led_pins = GPIO_Pin_0 | GPIO_Pin_7 | GPIO_Pin_14;
|
|
|
|
RCC_AHB1PeriphClockCmd(
|
|
RCC_AHB1Periph_GPIOA |
|
|
RCC_AHB1Periph_GPIOB |
|
|
RCC_AHB1Periph_GPIOC |
|
|
RCC_AHB1Periph_GPIOD |
|
|
RCC_AHB1Periph_GPIOG,
|
|
ENABLE
|
|
);
|
|
GPIO_InitTypeDef gpio;
|
|
|
|
GPIO_StructInit(&gpio);
|
|
gpio.GPIO_Mode = GPIO_Mode_OUT;
|
|
gpio.GPIO_Pin = led_pins;
|
|
GPIO_Init(GPIOB, &gpio);
|
|
GPIO_ResetBits(GPIOB, led_pins);
|
|
}
|
|
|
|
void usart_init() {
|
|
|
|
GPIO_InitTypeDef gpio;
|
|
|
|
const uint16_t usart_pins = GPIO_Pin_5 | GPIO_Pin_6;
|
|
gpio.GPIO_Mode = GPIO_Mode_AF;
|
|
gpio.GPIO_Pin = usart_pins;
|
|
gpio.GPIO_Speed = GPIO_Speed_50MHz;
|
|
gpio.GPIO_OType = GPIO_OType_PP;
|
|
gpio.GPIO_PuPd = GPIO_PuPd_UP;
|
|
GPIO_Init(GPIOD, &gpio);
|
|
|
|
GPIO_PinAFConfig(GPIOD, GPIO_PinSource5, GPIO_AF_USART2);
|
|
GPIO_PinAFConfig(GPIOD, GPIO_PinSource6, GPIO_AF_USART2);
|
|
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
|
|
USART_InitTypeDef usart;
|
|
usart.USART_BaudRate = 115200;
|
|
usart.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
|
|
USART_Init(USART2, &usart);
|
|
USART_Cmd(USART2, ENABLE);
|
|
}
|
|
|
|
void dma_init() {
|
|
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
|
|
DMA_InitTypeDef dma;
|
|
dma.DMA_Channel = DMA_Channel_0;
|
|
dma.DMA_DIR = DMA_DIR_MemoryToMemory;
|
|
dma.DMA_PeripheralInc = DMA_PeripheralInc_Enable;
|
|
dma.DMA_MemoryInc = DMA_MemoryInc_Enable;
|
|
dma.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
|
|
dma.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
|
|
dma.DMA_Mode = DMA_Mode_Normal;
|
|
dma.DMA_Priority = DMA_Priority_Low;
|
|
dma.DMA_FIFOMode = DMA_FIFOMode_Enable;
|
|
dma.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
|
|
dma.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
|
|
dma.DMA_MemoryBurst = DMA_MemoryBurst_Single;
|
|
DMA_Init(DMA2_Stream0, &dma);
|
|
}
|
|
|
|
|
|
void eth_init() {
|
|
|
|
RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_ETHMACEN, ENABLE);
|
|
RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_ETHMACRXEN, ENABLE);
|
|
RCC_AHB1PeriphClockCmd(RCC_AHB1ENR_ETHMACTXEN, ENABLE);
|
|
|
|
GPIO_InitTypeDef gpio;
|
|
|
|
gpio.GPIO_Mode = GPIO_Mode_AF;
|
|
gpio.GPIO_Speed = GPIO_Speed_100MHz;
|
|
gpio.GPIO_OType = GPIO_OType_PP;
|
|
gpio.GPIO_PuPd = GPIO_PuPd_NOPULL;
|
|
|
|
gpio.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_7;
|
|
GPIO_Init(GPIOA, &gpio);
|
|
GPIO_PinAFConfig(GPIOA, GPIO_PinSource1, GPIO_AF_ETH); //RMII ref clock
|
|
GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_ETH); //RMII MDIO
|
|
GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_ETH); //RMII RX Data Valid
|
|
|
|
gpio.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5;
|
|
GPIO_Init(GPIOC, &gpio);
|
|
GPIO_PinAFConfig(GPIOC, GPIO_PinSource1, GPIO_AF_ETH); //RMII MDC
|
|
GPIO_PinAFConfig(GPIOC, GPIO_PinSource4, GPIO_AF_ETH); //RMII RXD0
|
|
GPIO_PinAFConfig(GPIOC, GPIO_PinSource5, GPIO_AF_ETH); //RMII RXD1
|
|
|
|
gpio.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_13;
|
|
GPIO_Init(GPIOG, &gpio);
|
|
GPIO_PinAFConfig(GPIOG, GPIO_PinSource11, GPIO_AF_ETH); //RMII TX enable
|
|
GPIO_PinAFConfig(GPIOG, GPIO_PinSource13, GPIO_AF_ETH); //RMII TXD0
|
|
|
|
gpio.GPIO_Pin = GPIO_Pin_13;
|
|
GPIO_Init(GPIOB, &gpio);
|
|
GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_ETH); //RMII TXD1
|
|
|
|
NVIC_SetPriority(ETH_IRQn, 0);
|
|
NVIC_EnableIRQ(ETH_IRQn);
|
|
}
|
|
|
|
|
|
void board_init() {
|
|
uint32_t tick = SystemCoreClock/1000 - 1;
|
|
SysTick_Config(tick);
|
|
NVIC_EnableIRQ(SysTick_IRQn);
|
|
// __enable_irq();
|
|
gpio_init();
|
|
usart_init();
|
|
// dma_init();
|
|
eth_init();
|
|
init_LWIP();
|
|
printf("Controller is started...\r\n");
|
|
}
|
|
|
|
|