V1.9

2023-12-01 10:33:09 +08:00
parent de6d68c654
commit ec059e0b18
395 changed files with 37947 additions and 28760 deletions
@@ -0,0 +1,204 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : main.c
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2021/06/06
+ * Description        : Main program body.
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+/*
+ *@Note
+ *PEC error check, master/slave mode transceiver routine:
+ *I2C1_SCL(PB8)\I2C1_SDA(PB9).
+ *This example demonstrates that the Master sends with PEC error checking, and the
+ *Slave receives. If a transmission error occurs, an error interrupt is triggered.
+ *Note: The two boards download the Master and Slave programs respectively,
+ *and power on at the same time.
+ *    Hardware connection:PB8 -- PB8
+ *                        PB9 -- PB9
+ *
+ */
+
+#include "debug.h"
+
+/* I2C Mode Definition */
+#define HOST_MODE     0
+#define SLAVE_MODE    1
+
+/* I2C Communication Mode Selection */
+//#define I2C_MODE   HOST_MODE
+#define I2C_MODE      SLAVE_MODE
+
+/* Global define */
+#define Size          7
+#define RXAdderss     0x02
+#define TxAdderss     0x02
+
+/* Global Variable */
+u8 TxData[Size] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06};
+u8 RxData[Size];
+
+/*********************************************************************
+ * @fn      IIC_Init
+ *
+ * @brief   Initializes the IIC peripheral.
+ *
+ * @return  none
+ */
+void IIC_Init(u32 bound, u16 address)
+{
+    GPIO_InitTypeDef GPIO_InitStructure = {0};
+    I2C_InitTypeDef  I2C_InitTSturcture = {0};
+    NVIC_InitTypeDef NVIC_InitStructure = {0};
+
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE);
+    GPIO_PinRemapConfig(GPIO_Remap_I2C1, ENABLE);
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
+
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+    I2C_InitTSturcture.I2C_ClockSpeed = bound;
+    I2C_InitTSturcture.I2C_Mode = I2C_Mode_I2C;
+    I2C_InitTSturcture.I2C_DutyCycle = I2C_DutyCycle_16_9;
+    I2C_InitTSturcture.I2C_OwnAddress1 = address;
+    I2C_InitTSturcture.I2C_Ack = I2C_Ack_Enable;
+    I2C_InitTSturcture.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
+    I2C_Init(I2C1, &I2C_InitTSturcture);
+
+#if(I2C_MODE == SLAVE_MODE)
+    NVIC_InitStructure.NVIC_IRQChannel = I2C1_ER_IRQn;
+    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
+    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+    NVIC_Init(&NVIC_InitStructure);
+
+    I2C_ITConfig(I2C1, I2C_IT_ERR, ENABLE);
+
+#endif
+
+    I2C_Cmd(I2C1, ENABLE);
+    I2C_CalculatePEC(I2C1, ENABLE);
+
+#if(I2C_MODE == HOST_MODE)
+    I2C_AcknowledgeConfig(I2C1, ENABLE);
+
+#endif
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    u8 i = 0;
+    u8 pecValue;
+
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
+    SystemCoreClockUpdate();
+    Delay_Init();
+    USART_Printf_Init(460800);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+    printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
+
+#if(I2C_MODE == HOST_MODE)
+    printf("IIC Host mode\r\n");
+    IIC_Init(80000, TxAdderss);
+
+    while(I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY) != RESET);
+    I2C_GenerateSTART(I2C1, ENABLE);
+
+    while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
+    I2C_Send7bitAddress(I2C1, 0x02, I2C_Direction_Transmitter);
+
+    while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
+
+    while(i < 7)
+    {
+        if(i < 6)
+        {
+            if(I2C_GetFlagStatus(I2C1, I2C_FLAG_TXE) != RESET)
+            {
+                I2C_SendData(I2C1, TxData[i]);
+                i++;
+            }
+        }
+
+        if(i == 6)
+        {
+            if(I2C_GetFlagStatus(I2C1, I2C_FLAG_TXE) != RESET)
+            {
+                I2C_TransmitPEC(I2C1, ENABLE);
+                i++;
+            }
+        }
+    }
+
+    while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
+    I2C_GenerateSTOP(I2C1, ENABLE);
+
+#elif(I2C_MODE == SLAVE_MODE)
+    printf("IIC Slave mode\r\n");
+    IIC_Init(80000, RXAdderss);
+
+    while(!I2C_CheckEvent(I2C1, I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED));
+
+    while(i < 7)
+    {
+        if(i < 5)
+        {
+            if(I2C_GetFlagStatus(I2C1, I2C_FLAG_RXNE) != RESET)
+            {
+                RxData[i] = I2C_ReceiveData(I2C1);
+                i++;
+            }
+        }
+
+        if(i == 5)
+        {
+            pecValue = I2C_GetPEC(I2C1);
+            if(I2C_GetFlagStatus(I2C1, I2C_FLAG_RXNE) != RESET)
+            {
+                RxData[i] = I2C_ReceiveData(I2C1);
+                i++;
+            }
+        }
+
+        if(i == 6)
+        {
+            I2C_TransmitPEC(I2C1, ENABLE);
+            if(I2C_GetFlagStatus(I2C1, I2C_FLAG_RXNE) != RESET)
+            {
+                RxData[i] = I2C_ReceiveData(I2C1);
+                i++;
+            }
+        }
+    }
+
+    printf("pecValue:%02x\r\n", pecValue);
+    printf("RxData:\r\n");
+
+    for(i = 0; i < 7; i++)
+    {
+        printf("%02x\r\n", RxData[i]);
+    }
+
+#endif
+
+    while(1);
+}