Настройка Ethernet. Приём пакетов и настройка таймера отправки широковещательного сообщения.

Core/Inc/main.h

@@ -36,6 +36,16 @@ extern "C" {
 
 /* Exported types ------------------------------------------------------------*/
 /* USER CODE BEGIN ET */
+typedef struct rcv_msg
+{
+	uint32_t rcv_addr;
+	uint16_t port;
+	uint16_t cmd_num;
+	uint16_t cmd_code;
+	_Bool clnt_con;
+	unsigned char rx_buf[2048];
+	uint16_t length;
+}_rcv_msg;
 
 /* USER CODE END ET */
 

Core/Inc/pribors.h

@@ -0,0 +1,42 @@
+/*
+ * pribors.h
+ *
+ *  Created on: 6 сент. 2024 г.
+ *      Author: user
+ */
+
+#ifndef INC_PRIBORS_H_
+#define INC_PRIBORS_H_
+
+#define PRIBOR_PRDN1 		0x00
+#define PRIBOR_PRDN2 		0x04
+#define PRIBOR_PRDN3 		0x08
+#define PRIBOR_PRDN4  		0x0C
+#define PRIBOR_PRDV1  		0x01
+#define PRIBOR_PRDV2		0x05
+#define PRIBOR_PRDV3		0x09
+#define PRIBOR_PRDV4		0x0D
+#define PRIBOR_PRDK1  		0x02
+#define PRIBOR_PRDK2		0x06
+#define PRIBOR_PRDK3		0x0A
+#define PRIBOR_PRDK4		0x0E
+#define PRIBOR_UF			0x1B
+
+
+#define IP_PRIBOR_PRDN1 	"10.1.1.11"
+#define IP_PRIBOR_PRDN2 	"10.1.1.21"
+#define IP_PRIBOR_PRDN3 	"10.1.1.31"
+#define IP_PRIBOR_PRDN4  	"10.1.1.41"
+#define IP_PRIBOR_PRDV1  	"10.1.1.12"
+#define IP_PRIBOR_PRDV2		"10.1.1.22"
+#define IP_PRIBOR_PRDV3		"10.1.1.32"
+#define IP_PRIBOR_PRDV4		"10.1.1.42"
+#define IP_PRIBOR_PRDK1  	"10.1.1.13"
+#define IP_PRIBOR_PRDK2		"10.1.1.23"
+#define IP_PRIBOR_PRDK3		"10.1.1.33"
+#define IP_PRIBOR_PRDK4		"10.1.1.43"
+#define IP_PRIBOR_UF		"10.1.1.52"
+
+#endif /* INC_PRIBORS_H_ */
+
+

Core/Inc/stm32f4xx_hal_conf.h

@@ -63,7 +63,7 @@
 /* #define HAL_SD_MODULE_ENABLED   */
 /* #define HAL_MMC_MODULE_ENABLED   */
 /* #define HAL_SPI_MODULE_ENABLED   */
-/* #define HAL_TIM_MODULE_ENABLED   */
+#define HAL_TIM_MODULE_ENABLED
 /* #define HAL_UART_MODULE_ENABLED   */
 /* #define HAL_USART_MODULE_ENABLED   */
 /* #define HAL_IRDA_MODULE_ENABLED   */

Core/Inc/stm32f4xx_it.h

@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void TIM3_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Core/Src/main.c

@@ -19,10 +19,12 @@
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
 #include "lwip.h"
+#include "lwip/udp.h"
+#include "lwip/debug.h"
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
-
+#include "pribors.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -40,20 +42,30 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef htim3;
+
 SRAM_HandleTypeDef hsram1;
 
-/* USER CODE BEGIN PV */
 
+/* USER CODE BEGIN PV */
+uint32_t br_counter = 0;
+unsigned char msg[1400];
+struct rcv_msg rx_msg;
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_FMC_Init(void);
+static void MX_TIM3_Init(void);
 /* USER CODE BEGIN PFP */
 void write_isa(uint16_t addr, uint16_t data);
 uint16_t read_isa(uint16_t addr);
 void sock_init(struct udp_pcb * pcb);
+void udp_echo_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p,
+	    const ip_addr_t *addr, u16_t port);
+void rcv_command(void);
+void set_pbuf_params(struct pbuf *p, u16_t length);
 /* USER CODE END PFP */
 
 /* Private user code ---------------------------------------------------------*/
@@ -90,17 +102,26 @@ int main(void)
   MX_GPIO_Init();
   MX_LWIP_Init();
   MX_FMC_Init();
-
+  MX_TIM3_Init();
   /* USER CODE BEGIN 2 */
   struct udp_pcb * pcb = udp_new();
   sock_init(pcb);
-  const char* msg = "hello world1234";
+  memset(msg, 0, sizeof msg);
-  struct pbuf *p = pbuf_alloc(0, 100, PBUF_RAM);
+  msg[0] = 1;
-  uint32_t br_addr = ipaddr_addr("10.1.1.5");
+  msg[1] = 2;
-  u16_t dst_port = 50000U;
+  msg[2] = 3;
-  p->len = strlen(msg);
+  msg[3] = 4;
-  p->tot_len = p->len;
+  struct pbuf *p = pbuf_alloc(0, sizeof msg, PBUF_RAM);
-  strcpy(p->payload, msg);
+  uint32_t br_addr = ipaddr_addr("10.1.1.255");
+  u16_t br_port = 50000U;
+  set_pbuf_params(p, sizeof msg);
+
+  // timer start
+  if (HAL_TIM_Base_Start_IT(&htim3) != HAL_OK)
+  {
+    /* Starting Error */
+    Error_Handler();
+  }
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -108,14 +129,13 @@ int main(void)
   while (1)
   {
 	MX_LWIP_Process();
-	//write_isa(0x110, 0x5555);
+	if (br_counter > 100)
-	//write_isa(0x108, 0xaaaa);
+	{
-	//read_isa(0x2);
+		err_t errok = udp_sendto(pcb, p, (ip_addr_t*)&br_addr, br_port);
+		br_counter = 0;
+	}
+	//HAL_Delay(100);
 	//read_isa(0x4);
-
-	err_t errok = udp_sendto(pcb, p, (ip_addr_t*)&br_addr, dst_port);
-	HAL_Delay(100);
-	read_isa(0x4);
   }
   /* USER CODE END WHILE */
 }
@@ -166,6 +186,51 @@ void SystemClock_Config(void)
   }
 }
 
+/**
+  * @brief TIM3 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM3_Init(void)
+{
+
+  /* USER CODE BEGIN TIM3_Init 0 */
+
+  /* USER CODE END TIM3_Init 0 */
+
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+  /* USER CODE BEGIN TIM3_Init 1 */
+
+  /* USER CODE END TIM3_Init 1 */
+  htim3.Instance = TIM3;
+  htim3.Init.Prescaler = 22;
+  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim3.Init.Period = 2170;
+  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM3_Init 2 */
+
+  /* USER CODE END TIM3_Init 2 */
+
+}
+
 /* FMC initialization function */
 static void MX_FMC_Init(void)
 {
@@ -252,14 +317,58 @@ static void MX_GPIO_Init(void)
 
 /* USER CODE BEGIN 4 */
 
+void set_pbuf_params(struct pbuf *p, u16_t length)
+{
+	p->len = length;
+	p->tot_len = p->len;
+	memcpy(p->payload, msg, p->tot_len);
+}
+
 void sock_init(struct udp_pcb * pcb)
 {
 	uint32_t ipaddr = ipaddr_addr("10.1.1.69");
 	u16_t port = 50069U;
 	err_t errok = udp_bind(pcb, (ip_addr_t*)&ipaddr, port);
+	udp_recv(pcb, udp_echo_recv, NULL);
+	rx_msg.rcv_addr = 0;
+	rx_msg.cmd_num = 0;
+	rx_msg.cmd_code = 0;
+	rx_msg.clnt_con = 0;
+	rx_msg.length = 0;
+	memset(rx_msg.rx_buf, 0, sizeof rx_msg.rx_buf);
 	return;
 }
 
+void udp_echo_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p,
+	    const ip_addr_t *addr, u16_t port)
+{
+    if (p != NULL) {
+        /* send received packet back to sender */
+        udp_sendto(pcb, p, addr, port);
+        /* free the pbuf */
+    	ip_addr_t rcv_addr = addr[0];
+    	if (p->tot_len < sizeof rx_msg.rx_buf)
+    	{
+    		rx_msg.rcv_addr = (uint32_t) rcv_addr.addr;
+    		rx_msg.port = port;
+        	memcpy(rx_msg.rx_buf, p->payload, p->tot_len);
+        	rx_msg.length = p->tot_len;
+        	rcv_command();
+    	}
+        pbuf_free(p);
+    }
+}
+
+void rcv_command(void)
+{
+	if (rx_msg.length > 6)
+	{
+		rx_msg.cmd_num = rx_msg.rx_buf[2] | (rx_msg.rx_buf[3] << 8);
+		rx_msg.cmd_code = rx_msg.rx_buf[6];
+		rx_msg.clnt_con = 1;
+	}
+}
+
 uint16_t read_isa(uint16_t addr)
 {
     return *(uint16_t*)(ISA_BASE_RD + (addr << 1));

Core/Src/pribors.c

@@ -0,0 +1,8 @@
+/*
+ * pribors.c
+ *
+ *  Created on: 6 сент. 2024 г.
+ *      Author: user
+ */
+
+

Core/Src/stm32f4xx_hal_msp.c

@@ -76,6 +76,56 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+* @brief TIM_Base MSP Initialization
+* This function configures the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspInit 0 */
+
+  /* USER CODE END TIM3_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM3_CLK_ENABLE();
+    /* TIM3 interrupt Init */
+    HAL_NVIC_SetPriority(TIM3_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(TIM3_IRQn);
+  /* USER CODE BEGIN TIM3_MspInit 1 */
+
+  /* USER CODE END TIM3_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief TIM_Base MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM3)
+  {
+  /* USER CODE BEGIN TIM3_MspDeInit 0 */
+
+  /* USER CODE END TIM3_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM3_CLK_DISABLE();
+
+    /* TIM3 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(TIM3_IRQn);
+  /* USER CODE BEGIN TIM3_MspDeInit 1 */
+
+  /* USER CODE END TIM3_MspDeInit 1 */
+  }
+
+}
+
 static uint32_t FMC_Initialized = 0;
 
 static void HAL_FMC_MspInit(void){

Core/Src/stm32f4xx_it.c

@@ -41,7 +41,7 @@
 
 /* Private variables ---------------------------------------------------------*/
 /* USER CODE BEGIN PV */
-
+extern uint32_t br_counter;
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
@@ -55,7 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern TIM_HandleTypeDef htim3;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -198,6 +198,21 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles TIM3 global interrupt.
+  */
+void TIM3_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM3_IRQn 0 */
+
+  /* USER CODE END TIM3_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim3);
+  /* USER CODE BEGIN TIM3_IRQn 1 */
+  br_counter++;
+
+  /* USER CODE END TIM3_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

Debug/Core/Src/subdir.mk

@@ -6,18 +6,21 @@
 # Add inputs and outputs from these tool invocations to the build variables 
 C_SRCS += \
 ../Core/Src/main.c \
+../Core/Src/pribors.c \
 ../Core/Src/stm32f4xx_hal_msp.c \
 ../Core/Src/stm32f4xx_it.c \
 ../Core/Src/system_stm32f4xx.c 
 
 OBJS += \
 ./Core/Src/main.o \
+./Core/Src/pribors.o \
 ./Core/Src/stm32f4xx_hal_msp.o \
 ./Core/Src/stm32f4xx_it.o \
 ./Core/Src/system_stm32f4xx.o 
 
 C_DEPS += \
 ./Core/Src/main.d \
+./Core/Src/pribors.d \
 ./Core/Src/stm32f4xx_hal_msp.d \
 ./Core/Src/stm32f4xx_it.d \
 ./Core/Src/system_stm32f4xx.d 
@@ -30,7 +33,7 @@ Core/Src/%.o Core/Src/%.su: ../Core/Src/%.c Core/Src/subdir.mk
 clean: clean-Core-2f-Src
 
 clean-Core-2f-Src:
-	-$(RM) ./Core/Src/main.d ./Core/Src/main.o ./Core/Src/main.su ./Core/Src/stm32f4xx_hal_msp.d ./Core/Src/stm32f4xx_hal_msp.o ./Core/Src/stm32f4xx_hal_msp.su ./Core/Src/stm32f4xx_it.d ./Core/Src/stm32f4xx_it.o ./Core/Src/stm32f4xx_it.su ./Core/Src/system_stm32f4xx.d ./Core/Src/system_stm32f4xx.o ./Core/Src/system_stm32f4xx.su
+	-$(RM) ./Core/Src/main.d ./Core/Src/main.o ./Core/Src/main.su ./Core/Src/pribors.d ./Core/Src/pribors.o ./Core/Src/pribors.su ./Core/Src/stm32f4xx_hal_msp.d ./Core/Src/stm32f4xx_hal_msp.o ./Core/Src/stm32f4xx_hal_msp.su ./Core/Src/stm32f4xx_it.d ./Core/Src/stm32f4xx_it.o ./Core/Src/stm32f4xx_it.su ./Core/Src/system_stm32f4xx.d ./Core/Src/system_stm32f4xx.o ./Core/Src/system_stm32f4xx.su
 
 .PHONY: clean-Core-2f-Src
 

Debug/objects.list

@@ -1,4 +1,5 @@
 "./Core/Src/main.o"
+"./Core/Src/pribors.o"
 "./Core/Src/stm32f4xx_hal_msp.o"
 "./Core/Src/stm32f4xx_it.o"
 "./Core/Src/system_stm32f4xx.o"

LWIP/Target/ethernetif.c

@@ -147,12 +147,12 @@ static void low_level_init(struct netif *netif)
 
    uint8_t MACAddr[6] ;
   heth.Instance = ETH;
-  MACAddr[0] = 0xFB;
+  MACAddr[0] = 0x00;
   MACAddr[1] = 0x80;
   MACAddr[2] = 0xE1;
-  MACAddr[3] = 0x15;
+  MACAddr[3] = 0x00;
-  MACAddr[4] = 0x85;
+  MACAddr[4] = 0x00;
-  MACAddr[5] = 0xA3;
+  MACAddr[5] = 0x00;
   heth.Init.MACAddr = &MACAddr[0];
   heth.Init.MediaInterface = HAL_ETH_RMII_MODE;
   heth.Init.TxDesc = DMATxDscrTab;

yau-07b.ioc

@@ -30,7 +30,8 @@ Mcu.IP2=LWIP
 Mcu.IP3=NVIC
 Mcu.IP4=RCC
 Mcu.IP5=SYS
-Mcu.IPNb=6
+Mcu.IP6=TIM3
+Mcu.IPNb=7
 Mcu.Name=STM32F429ZITx
 Mcu.Package=LQFP144
 Mcu.Pin0=PE3
@@ -87,11 +88,12 @@ Mcu.Pin54=PE0
 Mcu.Pin55=PE1
 Mcu.Pin56=VP_LWIP_VS_Enabled
 Mcu.Pin57=VP_SYS_VS_Systick
+Mcu.Pin58=VP_TIM3_VS_ClockSourceINT
 Mcu.Pin6=PF1
 Mcu.Pin7=PF2
 Mcu.Pin8=PF3
 Mcu.Pin9=PF4
-Mcu.PinsNb=58
+Mcu.PinsNb=59
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F429ZITx
@@ -107,6 +109,7 @@ NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
+NVIC.TIM3_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 PA1.Mode=RMII
 PA1.Signal=ETH_REF_CLK
@@ -332,8 +335,13 @@ SH.FMC_NOE.0=FMC_NOE,Sram1
 SH.FMC_NOE.ConfNb=1
 SH.FMC_NWE.0=FMC_NWE,Sram1
 SH.FMC_NWE.ConfNb=1
+TIM3.IPParameters=Prescaler,Period
+TIM3.Period=10000
+TIM3.Prescaler=6400
 VP_LWIP_VS_Enabled.Mode=Enabled
 VP_LWIP_VS_Enabled.Signal=LWIP_VS_Enabled
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+VP_TIM3_VS_ClockSourceINT.Mode=Internal
+VP_TIM3_VS_ClockSourceINT.Signal=TIM3_VS_ClockSourceINT
 board=custom