pwm ok

2023-06-11 18:46:26 +08:00
commit 83ba21b0bd
161 changed files with 36383 additions and 0 deletions
@@ -0,0 +1,259 @@
+/*
+ * drv_i2c.c
+ *
+ *  Created on: Mar 31, 2023
+ *      Author: gxms0
+ */
+
+#include "drv_i2c.h"
+
+
+
+/**********************************************************************
+*@Note:
+AT24Cxx��
+
+READ EEPROM��Start + 0xA0 + 8bit Data Address + Start + 0xA1 + Read Data + Stop.
+WRITE EERPOM��Start + 0xA0 + 8bit Data Address + Write Data + Stop.
+*******************************************************************************/
+/* EERPOM DATA ADDRESS Length Definition */
+#define Address_8bit  0
+#define Address_16bit  1
+
+/* EERPOM DATA ADDRESS Length Selection */
+#define Address_Lenth   Address_8bit
+//#define Address_Lenth   Address_16bit
+
+/* Global define */
+#define SIZE sizeof(TEXT_Buffer)
+
+/* Global Variable */
+const u8 TEXT_Buffer[]={"CH32F10x I2C TEST"};
+
+/*********************************************************************
+ * @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};
+
+    RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
+    RCC_APB1PeriphClockCmd( RCC_APB1Periph_I2C2, ENABLE );
+
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+    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_11;
+    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_2;
+    I2C_InitTSturcture.I2C_OwnAddress1 = address;
+    I2C_InitTSturcture.I2C_Ack = I2C_Ack_Enable;
+    I2C_InitTSturcture.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
+    I2C_Init( I2C2, &I2C_InitTSturcture );
+
+    I2C_Cmd( I2C2, ENABLE );
+
+    I2C_AcknowledgeConfig( I2C2, ENABLE );
+}
+
+/*********************************************************************
+ * @fn      AT24CXX_Init
+ *
+ * @brief   Initializes AT24xx EEPROM.
+ *
+ * @return  none
+ */
+void AT24CXX_Init(void)
+{
+    IIC_Init( 100000, 0xA0);
+}
+
+/*********************************************************************
+ * @fn      AT24CXX_ReadOneByte
+ *
+ * @brief   Read one data from EEPROM.
+ *
+ * @param   ReadAddr - Read frist address.
+ *
+ * @return  temp - Read data.
+ */
+u8 AT24CXX_ReadOneByte(u16 ReadAddr)
+{
+    u8 temp=0;
+
+    while( I2C_GetFlagStatus( I2C2, I2C_FLAG_BUSY ) != RESET );
+    I2C_GenerateSTART( I2C2, ENABLE );
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_MODE_SELECT ) );
+    I2C_Send7bitAddress( I2C2, 0XA0, I2C_Direction_Transmitter );
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ) );
+
+#if (Address_Lenth  == Address_8bit)
+    I2C_SendData( I2C2, (u8)(ReadAddr&0x00FF) );
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+
+#elif (Address_Lenth  == Address_16bit)
+    I2C_SendData( I2C2, (u8)(ReadAddr>>8) );
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+
+    I2C_SendData( I2C2, (u8)(ReadAddr&0x00FF) );
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+
+#endif
+
+    I2C_GenerateSTART( I2C2, ENABLE );
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_MODE_SELECT ) );
+    I2C_Send7bitAddress( I2C2, 0XA0, I2C_Direction_Receiver );
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED ) );
+  while( I2C_GetFlagStatus( I2C2, I2C_FLAG_RXNE ) ==  RESET )
+    I2C_AcknowledgeConfig( I2C2, DISABLE );
+
+    temp = I2C_ReceiveData( I2C2 );
+  I2C_GenerateSTOP( I2C2, ENABLE );
+
+    return temp;
+}
+
+/*********************************************************************
+ * @fn      AT24CXX_WriteOneByte
+ *
+ * @brief   Write one data to EEPROM.
+ *
+ * @param   WriteAddr - Write frist address.
+ *
+ * @return  DataToWrite - Write data.
+ */
+void AT24CXX_WriteOneByte(u16 WriteAddr, u8 DataToWrite)
+{
+    while( I2C_GetFlagStatus( I2C2, I2C_FLAG_BUSY ) != RESET );
+    I2C_GenerateSTART( I2C2, ENABLE );
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_MODE_SELECT ) );
+    I2C_Send7bitAddress( I2C2, 0XA0, I2C_Direction_Transmitter );
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED ) );
+
+#if (Address_Lenth  == Address_8bit)
+    I2C_SendData( I2C2, (u8)(WriteAddr&0x00FF) );
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+
+#elif (Address_Lenth  == Address_16bit)
+    I2C_SendData( I2C2, (u8)(WriteAddr>>8) );
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+
+    I2C_SendData( I2C2, (u8)(WriteAddr&0x00FF) );
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+
+#endif
+
+    if( I2C_GetFlagStatus( I2C2, I2C_FLAG_TXE ) !=  RESET )
+    {
+        I2C_SendData( I2C2, DataToWrite );
+    }
+
+    while( !I2C_CheckEvent( I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED ) );
+    I2C_GenerateSTOP( I2C2, ENABLE );
+}
+
+/*********************************************************************
+ * @fn      AT24CXX_Read
+ *
+ * @brief   Read multiple data from EEPROM.
+ *
+ * @param   ReadAddr - Read frist address. (AT24c02: 0~255)
+ *          pBuffer - Read data.
+ *          NumToRead - Data number.
+ *
+ * @return  none
+ */
+void AT24CXX_Read(u16 ReadAddr, u8 *pBuffer, u16 NumToRead)
+{
+    while(NumToRead)
+    {
+        *pBuffer++=AT24CXX_ReadOneByte(ReadAddr++);
+        NumToRead--;
+    }
+}
+
+/*********************************************************************
+ * @fn      AT24CXX_Write
+ *
+ * @brief   Write multiple data to EEPROM.
+ *
+ * @param   WriteAddr - Write frist address. (AT24c02: 0~255)
+ *          pBuffer - Write data.
+ *          NumToWrite - Data number.
+ *
+ * @return  none
+ */
+void AT24CXX_Write(u16 WriteAddr, u8 *pBuffer, u16 NumToWrite)
+{
+    while(NumToWrite--)
+    {
+        AT24CXX_WriteOneByte(WriteAddr,*pBuffer);
+        WriteAddr++;
+        pBuffer++;
+        Delay_Ms(2);
+    }
+}
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