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添加I2C

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This commit is contained in:
hm-thinkbook14p
2024-03-02 01:06:06 +08:00
parent deafcfed1a
commit bef8342c93
21 changed files with 20646 additions and 18411 deletions
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DRV/drv_i2c.c
+62 -1
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@@ -13,8 +13,69 @@ void i2c_init()
}
void i2c_config()
void i2c_config(I2C_ptr ptr, I2C_TypeDef *I2C, GPIO_TypeDef *GPIO_SDA, uint32_t Pin_SDA, GPIO_TypeDef *GPIO_SCL, uint32_t Pin_SCL, uint8_t address,uint16_t bound)
{
GPIO_InitTypeDef GPIO_InitStructure = {0};
I2C_InitTypeDef I2C_InitTSturcture = {0};
//DMA_InitTypeDef DMA_InitStructure = {0};
NVIC_InitTypeDef NVIC_InitStructure = {0};
uint32_t RCC_Periph = RCC_APB2Periph_USART1;
ptr->I2C = I2C;
ptr->GPIO_SDA = GPIO_SDA;
ptr->Pin_SDA = Pin_SDA;
ptr->GPIO_SCL = GPIO_SCL;
ptr->Pin_SCL = Pin_SCL;
if(ptr->I2C == I2C1)RCC_Periph = RCC_APB1Periph_I2C1;
else if(ptr->I2C == I2C2)RCC_Periph = RCC_APB1Periph_I2C2;
RCC_APB1PeriphClockCmd(RCC_Periph, ENABLE);
//初始化IO口
//init sda
if(ptr->GPIO_SDA == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
else if(ptr->GPIO_SDA == GPIOB)RCC_Periph = RCC_APB2Periph_GPIOB;
else if(ptr->GPIO_SDA == GPIOC)RCC_Periph = RCC_APB2Periph_GPIOC;
else if(ptr->GPIO_SDA == GPIOD)RCC_Periph = RCC_APB2Periph_GPIOD;
else if(ptr->GPIO_SDA == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);
GPIO_InitStructure.GPIO_Pin = ptr->Pin_SDA;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(ptr->GPIO_SDA, &GPIO_InitStructure);
//init scl
if(ptr->GPIO_SCL == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
else if(ptr->GPIO_SCL == GPIOB)RCC_Periph = RCC_APB2Periph_GPIOB;
else if(ptr->GPIO_SCL == GPIOC)RCC_Periph = RCC_APB2Periph_GPIOC;
else if(ptr->GPIO_SCL == GPIOD)RCC_Periph = RCC_APB2Periph_GPIOD;
else if(ptr->GPIO_SCL == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);
GPIO_InitStructure.GPIO_Pin = ptr->Pin_SCL;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(ptr->GPIO_SCL, &GPIO_InitStructure);
//init i2c
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 );
//I2C_DMACmd( I2C1, ENABLE );
I2C_Cmd( I2C1, ENABLE );
#if (I2C_MODE == HOST_MODE)
I2C_AcknowledgeConfig( I2C1, ENABLE );
#endif
}
DRV/drv_i2c.h
+19 -3
View File
@@ -11,9 +11,25 @@
#include "ch32v20x.h"
#include "Global.h"
void AT24CXX_Init(void);
typedef struct sI2C
{
I2C_TypeDef *I2C;
GPIO_TypeDef *GPIO_SDA;
GPIO_TypeDef *GPIO_SCL;
uint32_t Pin_SDA;
uint32_t Pin_SCL;
uint8_t address;
}I2C_t;
typedef I2C_t* I2C_ptr;
void AT24CXX_Read(u16 ReadAddr, u8 *pBuffer, u16 NumToRead);
void AT24CXX_Write(u16 WriteAddr, u8 *pBuffer, u16 NumToWrite);
#endif /* BSP_DRV_I2C_H_ */
DRV/drv_key.c
+21
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@@ -32,6 +32,11 @@ void key_thread(void)
void key_config(KEY_ptr ptr, GPIO_TypeDef *GPIO, uint32_t Pin, uint8_t type)
{
if (ptr == NULL)
{
return ;
}
ptr->GPIO = GPIO;
ptr->Pin = Pin;
@@ -87,6 +92,11 @@ void key_update(KEY_ptr ptr)
if(ptr->last == ptr->state)
{
ptr->state = pressed;
if(ptr->pressed != NULL)
{
ptr->pressed();
}
}
}
}
@@ -97,6 +107,17 @@ void key_update(KEY_ptr ptr)
if(ptr->last == ptr->state)
{
ptr->state = release;
if(ptr->released != NULL)
{
ptr->released();
}
if(ptr->clicked != NULL)
{
ptr->clicked();
}
}
}
}
DRV/drv_key.h
+5
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@@ -38,6 +38,11 @@ typedef struct sKEY
struct sKEY *next_ptr;
void ( *pressed )( void );
void ( *released )( void );
void ( *clicked )( void );
void ( *doubleclicked )( void );
}KEY_t;
typedef KEY_t* KEY_ptr;
DRV/drv_uart.c
+94 -25
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@@ -94,13 +94,10 @@ void USART1_Init(uint32_t BaudRate,uint16_t WordLength,uint16_t StopBits,uint16_
void usart_init(void)
{
usart_config(&uart1,USART1 ,GPIOA, GPIO_Pin_9, GPIOA, GPIO_Pin_10,115200, USART_WordLength_8b, USART_StopBits_1, USART_Parity_No,128,128);
usart_config(&uart3,USART3 ,GPIOC, GPIO_Pin_10, GPIOC, GPIO_Pin_11,19200, USART_WordLength_8b, USART_StopBits_1, USART_Parity_No,128,128);
}
void usart_config(UART_ptr ptr,USART_TypeDef *UART, GPIO_TypeDef *GPIO_Tx, uint32_t Pin_Tx, GPIO_TypeDef *GPIO_Rx, uint32_t Pin_Rx,
uint32_t BaudRate, uint16_t WordLength, uint16_t StopBits, uint16_t Parity,
uint32_t buff_tx_len,uint32_t buff_rx_len)
@@ -128,14 +125,12 @@ void usart_config(UART_ptr ptr,USART_TypeDef *UART, GPIO_TypeDef *GPIO_Tx, uint3
ptr->buffer_tx_len = buff_tx_len;
ptr->buffer_tx_len_2 = buff_tx_len / 2;
if(ptr->USART == USART1){RCC_Periph = RCC_APB2Periph_USART1;RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);}
else if(ptr->USART == USART2){RCC_Periph = RCC_APB1Periph_USART2;RCC_APB1PeriphClockCmd(RCC_Periph, ENABLE);}
else if(ptr->USART == USART3){RCC_Periph = RCC_APB1Periph_USART3;RCC_APB1PeriphClockCmd(RCC_Periph, ENABLE);}
else if(ptr->USART == UART4){RCC_Periph = RCC_APB1Periph_UART4;RCC_APB1PeriphClockCmd(RCC_Periph, ENABLE);}
if(ptr->USART == USART1)RCC_Periph = RCC_APB2Periph_USART1;
else if(ptr->USART == USART2)RCC_Periph = RCC_APB1Periph_USART2;
else if(ptr->USART == USART3)RCC_Periph = RCC_APB1Periph_USART3;
else if(ptr->USART == UART4)RCC_Periph = RCC_APB1Periph_UART4;
RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);
//初始化IO口
//init tx
if(ptr->GPIO_Tx == GPIOA)RCC_Periph = RCC_APB2Periph_GPIOA;
@@ -158,7 +153,7 @@ void usart_config(UART_ptr ptr,USART_TypeDef *UART, GPIO_TypeDef *GPIO_Tx, uint3
else if(ptr->GPIO_Rx == GPIOE)RCC_Periph = RCC_APB2Periph_GPIOE;
RCC_APB2PeriphClockCmd(RCC_Periph, ENABLE);
GPIO_InitStructure.GPIO_Pin = ptr->GPIO_Rx;
GPIO_InitStructure.GPIO_Pin = ptr->Pin_Rx;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(ptr->GPIO_Rx, &GPIO_InitStructure);
@@ -173,13 +168,11 @@ void usart_config(UART_ptr ptr,USART_TypeDef *UART, GPIO_TypeDef *GPIO_Tx, uint3
USART_Init(ptr->USART, &USART_InitStructure);
/*打开接收中断*/
USART_ITConfig(ptr->USART, USART_IT_RXNE, ENABLE);//读取数据
/*打开IDLE数据检测中断*/
USART_ITConfig(ptr->USART, USART_IT_IDLE, ENABLE);//读取整包数据（读取fifo）
USART_ITConfig(ptr->USART, USART_IT_TXE, DISABLE);//发送可以不开中断，只要传到dma即可
uint8_t NVIC_IRQChannel = USART1_IRQn;
@@ -201,19 +194,74 @@ void usart_config(UART_ptr ptr,USART_TypeDef *UART, GPIO_TypeDef *GPIO_Tx, uint3
size_t usart_read(UART_ptr ptr,unsigned char *buff,const unsigned int len)
{
size_t size = 0;
size_t i = 0;
return size;
if (ptr->buffer_rx_len)
{
size_t blen = ptr->buffer_rx_head - ptr->buffer_rx_tail;
if (blen < 0)
{
blen += ptr->buffer_rx_len;
}
if (blen > ptr->buffer_rx_max)
{
ptr->buffer_rx_max = blen;
}
for (; i < len; ++i)
{
if (ptr->buffer_rx_tail != ptr->buffer_rx_head)
{
buff[i] = ptr->buffer_rx[ptr->buffer_rx_tail++];
if (ptr->buffer_rx_tail >= ptr->buffer_rx_len)
{
ptr->buffer_rx_tail = 0;
}
}
else {
break;
}
}
}
return i;
}
size_t usart_write(UART_ptr ptr,const unsigned char *buff,const unsigned int len)
{
size_t size = 0;
size_t size = len;
ptr->pkg_tx++;
if (ptr->buffer_tx_len)
{
for (size_t i = 0; i < len; ++i)
{
ptr->buffer_tx[ptr->buffer_tx_head++] = buff[i];
if (ptr->buffer_tx_head >= ptr->buffer_tx_len)
{
ptr->buffer_tx_head = 0;
}
}
int blen = ptr->buffer_tx_head - ptr->buffer_tx_tail;
if (blen < 0)
{
blen += ptr->buffer_tx_len;
}
if (blen > ptr->buffer_tx_max)
{
ptr->buffer_tx_max = blen;
}
if (ptr->buffer_tx_tail != ptr->buffer_tx_head)
{
if (ptr->GPIOx)
{
GPIO_WriteBit(ptr->GPIOx, ptr->GPIO_Pin, Bit_SET);
}
/* enable the USARTx transmit interrupt */
USART_ITConfig(ptr->USART, USART_IT_TXE, ENABLE);
}
}
USART_ITConfig(ptr->USART, USART_IT_TXE, ENABLE);//发送可以不开中断，只要传到dma即可
return size;
}
@@ -221,18 +269,14 @@ void UART_IRQHandler(UART_ptr ptr)
{
if (RESET != USART_GetITStatus(ptr->USART, USART_IT_RXNE))
{
/* Read one byte from the receive data register */
ptr->buffer_rx[ptr->buffer_rx_head++] = (uint8_t)USART_ReceiveData(ptr->USART);
//ptr->byt_rx++;
ptr->byt_rx++;
if (ptr->buffer_rx_head >= ptr->buffer_rx_len)
{
ptr->buffer_rx_head = 0;
}
USART_ClearITPendingBit(ptr->USART, USART_IT_RXNE);
}
if ((RESET != USART_GetITStatus(ptr->USART, USART_IT_IDLE)))
@@ -247,8 +291,33 @@ void UART_IRQHandler(UART_ptr ptr)
{
USART_ClearITPendingBit(ptr->USART, USART_IT_TXE);
/*打开发送中断*/
USART_ITConfig(ptr->USART, USART_IT_TXE, DISABLE);//发送可以不开中断，只要传到dma即可
if (ptr->buffer_tx_tail == ptr->buffer_tx_head)
{
/* disable the USARTx transmit interrupt */
USART_ITConfig(ptr->USART, USART_IT_TXE, DISABLE);
USART_ITConfig(ptr->USART, USART_IT_TC, ENABLE);
}
else
{
/* Write one byte to the transmit data register */
USART_SendData(ptr->USART, ptr->buffer_tx[ptr->buffer_tx_tail++]);
ptr->byt_tx++;
if (ptr->buffer_tx_tail >= ptr->buffer_tx_len)
{
ptr->buffer_tx_tail = 0;
}
}
}
//发送完成中断
if (RESET != USART_GetITStatus(ptr->USART, USART_IT_TC))
{
USART_ClearITPendingBit(ptr->USART, USART_IT_TC);
USART_ITConfig(ptr->USART, USART_IT_TC, DISABLE);
if (ptr->GPIOx)
{
GPIO_WriteBit(ptr->GPIOx, ptr->GPIO_Pin, Bit_RESET);
}
}
}
DRV/drv_uart.h
+25 -3
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@@ -9,7 +9,9 @@
#define BSP_DRV_UART_H_
#include "ch32v20x.h"
#include "string.h"
#include <string.h>
#include <stdlib.h>
#include <string.h>
#define RingBuffSize 128
@@ -65,14 +67,34 @@ typedef struct sUART
size_t buffer_tx_len_2;
size_t byt_rx;
size_t byt_tx;
size_t pkg_rx;
size_t pkg_tx;
size_t last_byt_rx;
size_t last_byt_tx;
size_t last_pkg_rx;
size_t last_pkg_tx;
size_t Bps_rx;
size_t Pps_rx;
size_t Bps_tx;
size_t Pps_tx;
size_t err_tx;
size_t err_rx;
size_t buffer_rx_max;
size_t buffer_tx_max;
GPIO_TypeDef *GPIOx;
uint32_t GPIO_Pin;
struct sUART *next_ptr;
}UART_t;
typedef UART_t* UART_ptr;
extern UART_t uart1;
extern UART_t uart2;
extern UART_t uart3;
void usart_init(void);
Debug/debug.c
+9
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@@ -11,6 +11,7 @@
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "debug.h"
#include "drv_uart.h"
static uint8_t p_us = 0;
static uint16_t p_ms = 0;
@@ -209,10 +210,12 @@ void USART_Printf_Init(uint32_t baudrate)
__attribute__((used))
int _write(int fd, char *buf, int size)
{
#if (0)
int i;
for(i = 0; i < size; i++){
#if(DEBUG == DEBUG_UART1)
while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET);
USART_SendData(USART1, *buf++);
#elif(DEBUG == DEBUG_UART2)
@@ -224,6 +227,12 @@ int _write(int fd, char *buf, int size)
#endif
}
#else
usart_write(&uart1, buf, size);
#endif
return size;
}
Doc/AT24C128C-AT24C256C-Data-Sheet-DS20006270B.pdf
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Doc/esp32_technical_reference_manual_cn.pdf
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User/main.c
+14 -54
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@@ -38,7 +38,7 @@ uint8_t Green_Count = 0;
uint8_t Blue_Count = 0;
uint8_t tx[20] = "123467890asdfghjklq";
uint8_t rx[20] = {0};
uint8_t rx[150] = {0};
/*********************************************************************
* @fn main
@@ -57,7 +57,7 @@ int main(void)
//printf("SystemClk:%d\t\n", SystemCoreClock);
//ÍâÉè³õʼ»¯
led_init();
tim_init();
adc_init();
@@ -65,20 +65,8 @@ int main(void)
usart_init();
//É豸³õʼ»¯
/*
AT24CXX_Init();
AT24CXX_Write(0x0010, tx, 20);
Delay_Ms(2000);
*/
//AT24CXX_Read(0x0010, rx, 20);//读取之后整个系统都变慢了
//printf("i2c:%s\t\n", rx);
@@ -92,19 +80,24 @@ int main(void)
adc_thread(tick);
key_thread();
/*
size_t len = usart_read(&uart1, rx, sizeof(rx));
if (len) {
usart_write(&uart1, rx, len);
}
*/
//usart_write(&uart1, tx, 20);
//printf( "tim1:UPDATE %d,%d\r\n",get_ticks_msec(),get_ticks());
//printf("keys:%d,%d,%d,%d\n",keys[0],keys[1],keys[2],keys[3]);
//printf("keys:%d,%d,%d,%d adc:%4.4f, %4.4f, %4.4f, %4.4f tick:%u\n",key1.state,key2.state,key3.state,key4.state, voltage.Voltage[0],voltage.Voltage[1],voltage.Voltage[2],voltage.Voltage[3],tick);
printf("keys:%d,%d,%d,%d\tadc:%4.4f,%4.4f,%4.4f,%4.4f\t tick:%u\n",key1.state,key2.state,key3.state,key4.state, voltage.Voltage[0],voltage.Voltage[1],voltage.Voltage[2],voltage.Voltage[3],tick);
Red_Count += 1;
Green_Count += 1;
Blue_Count += 1;
if(Red_Count % 2){
led_setToggle(0);
@@ -112,48 +105,15 @@ int main(void)
led_setToggle(4);
led_setToggle(5);
led_setToggle(6);
}
else {
}
if(Green_Count % 3){
led_setToggle(1);
}
if(Blue_Count % 5){
led_setToggle(2);
}
TIM_SetCompare3(TIM4, 1000);
TIM_SetCompare4(TIM4, 1100);
TIM_SetCompare1(TIM2, 1200);
TIM_SetCompare2(TIM2, 1300);
TIM_SetCompare3(TIM2, 1400);
TIM_SetCompare4(TIM2, 1500);
TIM_SetCompare1(TIM3, 300);
TIM_SetCompare2(TIM3, 300);
TIM_SetCompare3(TIM3, 300);
TIM_SetCompare4(TIM3, 300);
}
}
obj/CH32V208WBU6.elf
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obj/CH32V208WBU6.hex
+2961 -2725
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obj/CH32V208WBU6.lst
+16478 -14933
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obj/CH32V208WBU6.map
+954 -666
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obj/DRV/drv_i2c.o
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obj/DRV/drv_key.o
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obj/DRV/drv_uart.o
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obj/Debug/debug.d
+4 -1
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@@ -24,7 +24,8 @@ Debug/debug.o: ../Debug/debug.c ../Debug/debug.h \
D:\2_code\4_ch\CH32V208WBU6\Peripheral\inc/ch32v20x_wwdg.h \
D:\2_code\4_ch\CH32V208WBU6\User/ch32v20x_it.h \
D:\2_code\4_ch\CH32V208WBU6\Debug/debug.h \
D:\2_code\4_ch\CH32V208WBU6\Peripheral\inc/ch32v20x_misc.h
D:\2_code\4_ch\CH32V208WBU6\Peripheral\inc/ch32v20x_misc.h \
D:\2_code\4_ch\CH32V208WBU6\DRV/drv_uart.h
../Debug/debug.h:
@@ -79,3 +80,5 @@ D:\2_code\4_ch\CH32V208WBU6\User/ch32v20x_it.h:
D:\2_code\4_ch\CH32V208WBU6\Debug/debug.h:
D:\2_code\4_ch\CH32V208WBU6\Peripheral\inc/ch32v20x_misc.h:
D:\2_code\4_ch\CH32V208WBU6\DRV/drv_uart.h:
obj/Debug/debug.o
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obj/User/main.o
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