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5 Commits

Author SHA1 Message Date
b94a430ba2 fix stupid error 2025-01-02 23:31:12 +08:00
8cd24132a6 fix stupid error 2024-12-29 23:50:38 +08:00
e2e17d870c build file name add IIC_TYPE 2024-12-29 23:41:55 +08:00
d359ab5320 format code 2024-12-29 23:05:02 +08:00
0ebe9c5d16 clean shit 2024-12-29 22:59:07 +08:00
17 changed files with 126 additions and 144 deletions

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@@ -8,6 +8,8 @@ set(VERSION_MINOR 2)
set(VERSION_PATCH 0) set(VERSION_PATCH 0)
set(VERSION "V${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}") set(VERSION "V${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
string(TIMESTAMP CURRENT_DATE "%Y-%m-%d") string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
set(IIC_TYPE "SW-IIC")
#set(IIC_TYPE "HW-IIC")
enable_language(C) enable_language(C)
enable_language(CXX) enable_language(CXX)
@@ -30,6 +32,7 @@ set(TARGET_C_SRC
${CMAKE_SOURCE_DIR}/src/led.c ${CMAKE_SOURCE_DIR}/src/led.c
${CMAKE_SOURCE_DIR}/src/i2c.c ${CMAKE_SOURCE_DIR}/src/i2c.c
${CMAKE_SOURCE_DIR}/src/soft_i2c.c ${CMAKE_SOURCE_DIR}/src/soft_i2c.c
${CMAKE_SOURCE_DIR}/src/fwdgt.c
) )
add_executable(xlsw_3dp_LDC1612 ${TARGET_C_SRC}) add_executable(xlsw_3dp_LDC1612 ${TARGET_C_SRC})

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@@ -6,4 +6,4 @@
## 电涡流传感器模块通信协议 ## 电涡流传感器模块通信协议
通信协议:[LDC1612通信协议]{./CommunicationProtocol.md} 通信协议:[LDC1612通信协议](CommunicationProtocol.md)

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@@ -41,12 +41,12 @@ function(print_size_of_target TARGET)
) )
endfunction() endfunction()
function(_generate_file TARGET PREFIX VERSION DATE OUTPUT_EXTENSION OBJCOPY_BFD_OUTPUT) function(_generate_file TARGET PREFIX VERSION DATE IIC_TYPE OUTPUT_EXTENSION OBJCOPY_BFD_OUTPUT)
get_target_property(TARGET_OUTPUT_NAME ${TARGET} OUTPUT_NAME) get_target_property(TARGET_OUTPUT_NAME ${TARGET} OUTPUT_NAME)
if (TARGET_OUTPUT_NAME) if (TARGET_OUTPUT_NAME)
set(OUTPUT_FILE_NAME "${PREFIX}_${VERSION}_${DATE}.${OUTPUT_EXTENSION}") set(OUTPUT_FILE_NAME "${PREFIX}_${VERSION}_${DATE}_${IIC_TYPE}.${OUTPUT_EXTENSION}")
else() else()
set(OUTPUT_FILE_NAME "${TARGET}_${VERSION}_${DATE}.${OUTPUT_EXTENSION}") set(OUTPUT_FILE_NAME "${TARGET}_${VERSION}_${DATE}_${IIC_TYPE}.${OUTPUT_EXTENSION}")
endif() endif()
get_target_property(RUNTIME_OUTPUT_DIRECTORY ${TARGET} RUNTIME_OUTPUT_DIRECTORY) get_target_property(RUNTIME_OUTPUT_DIRECTORY ${TARGET} RUNTIME_OUTPUT_DIRECTORY)
@@ -66,11 +66,11 @@ function(_generate_file TARGET PREFIX VERSION DATE OUTPUT_EXTENSION OBJCOPY_BFD_
endfunction() endfunction()
function(generate_binary_file TARGET PREFIX) function(generate_binary_file TARGET PREFIX)
_generate_file(${TARGET} "${PREFIX}" "${VERSION}" "${CURRENT_DATE}" "bin" "binary") _generate_file(${TARGET} "${PREFIX}" "${VERSION}" "${CURRENT_DATE}" "${IIC_TYPE}" "bin" "binary")
endfunction() endfunction()
function(generate_hex_file TARGET PREFIX) function(generate_hex_file TARGET PREFIX)
_generate_file(${TARGET} "${PREFIX}" "${VERSION}" "${CURRENT_DATE}" "hex" "ihex") _generate_file(${TARGET} "${PREFIX}" "${VERSION}" "${CURRENT_DATE}" "${IIC_TYPE}" "hex" "ihex")
endfunction() endfunction()
set(CMAKE_EXECUTABLE_SUFFIX_C .elf) set(CMAKE_EXECUTABLE_SUFFIX_C .elf)

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@@ -11,14 +11,13 @@
/******************************************************************************/ /******************************************************************************/
#define I2C_SPEED 20000 #define RCU_GPIO_I2C RCU_GPIOF
#define RCU_GPIO_I2C RCU_GPIOF #define RCU_I2C RCU_I2C0
#define RCU_I2C RCU_I2C0 #define I2C_SCL_PORT GPIOF
#define I2C_SCL_PORT GPIOF #define I2C_SCL_PIN GPIO_PIN_1
#define I2C_SCL_PIN GPIO_PIN_1 #define I2C_SDA_PORT GPIOF
#define I2C_SDA_PORT GPIOF #define I2C_SDA_PIN GPIO_PIN_0
#define I2C_SDA_PIN GPIO_PIN_0 #define I2C_GPIO_AF GPIO_AF_1
#define I2C_GPIO_AF GPIO_AF_1
/******************************************************************************/ /******************************************************************************/
@@ -33,4 +32,13 @@
/******************************************************************************/ /******************************************************************************/
#define LED_PORT GPIOA
#define LED_PIN GPIO_PIN_7
#define LED_RCU RCU_GPIOA
#define LED_BLINK_TIMER_RCU RCU_TIMER16
#define LED_BLINK_TIMER TIMER16
#define LED_BLINK_IRQ TIMER16_IRQn
/******************************************************************************/
#endif //BOARD_CONFIG_H #endif //BOARD_CONFIG_H

15
inc/fwdgt.h Normal file
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@@ -0,0 +1,15 @@
//
// Created by yelv1 on 24-12-29.
//
#ifndef FWDGT_H
#define FWDGT_H
#include "gd32e23x.h"
#include "board_config.h"
void watchdog_init(void);
void fwdgt_reset_mcu(void);
#endif //FWDGT_H

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@@ -19,13 +19,7 @@
/******************************************************************************/ /******************************************************************************/
#define I2C_SCL_HIGH() gpio_bit_set(I2C_SCL_PORT, I2C_SCL_PIN) #define I2C_SPEED 20000
#define I2C_SCL_LOW() gpio_bit_reset(I2C_SCL_PORT, I2C_SCL_PIN)
#define I2C_SDA_HIGH() gpio_bit_set(I2C_SDA_PORT, I2C_SDA_PIN)
#define I2C_SDA_LOW() gpio_bit_reset(I2C_SDA_PORT, I2C_SDA_PIN)
#define I2C_SDA_READ() gpio_input_bit_get(I2C_SDA_PORT, I2C_SDA_PIN)
/******************************************************************************/
#define I2C_TIME_OUT (uint16_t)(5000) #define I2C_TIME_OUT (uint16_t)(5000)
#define I2C_OK 1 #define I2C_OK 1

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@@ -6,24 +6,7 @@
#define LED_H #define LED_H
#include "gd32e23x_it.h" #include "gd32e23x_it.h"
#include "gd32e23x.h" #include "board_config.h"
#include "systick.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/******************************************************************************/
#define LED_PORT GPIOA
#define LED_PIN GPIO_PIN_7
#define LED_RCU RCU_GPIOA
#define LED_TIMER_RCU RCU_TIMER16
#define LED_TIMER TIMER16
#define LED_IRQ TIMER16_IRQn
/******************************************************************************/
void led_config(void); void led_config(void);

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@@ -35,10 +35,20 @@ OF SUCH DAMAGE.
#ifndef MAIN_H #ifndef MAIN_H
#define MAIN_H #define MAIN_H
// #define DEBUG_VERBOES #include <stdio.h>
#include "gd32e23x.h"
#include "systick.h"
#include "gd32e23x_libopt.h"
#include "rs485.h"
#include "led.h"
#include "ldc1612.h"
#include "fwdgt.h"
#include "board_config.h"
void watchdog_init(void); #ifdef SOFTWARE_IIC
#include "soft_i2c.h"
void reset_mcu(void); #else
#include "i2c.h"
#endif
#endif /* MAIN_H */ #endif /* MAIN_H */

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@@ -8,33 +8,19 @@
#include "gd32e23x_it.h" #include "gd32e23x_it.h"
#include "gd32e23x.h" #include "gd32e23x.h"
#include "systick.h" #include "systick.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include "i2c.h"
#include "ldc1612.h" #include "ldc1612.h"
#include "tmp112.h" #include "tmp112.h"
#include "fwdgt.h"
#include "board_config.h"
/******************************************************************************/ /******************************************************************************/
#define RS485_RCU RCU_USART0 #define RX_BUFFER_SIZE 32
#define RS485_GPIO_RCU RCU_GPIOA
#define RS485_GPIO_PORT GPIOA
#define RS485_TX_PIN GPIO_PIN_2
#define RS485_RX_PIN GPIO_PIN_3
#define RS485_PHY USART0
#define RS485_BAUDRATE 115200U
#define RS485_EN_PIN GPIO_PIN_1
/******************************************************************************/ #define PROTOCOL_PACKAGE_HEADER 0xD5
#define PROTOCOL_BOARD_TYPE 0x03
#define RX_BUFFER_SIZE 32 #define PROTOCOL_PACKAGE_LENGTH 0x02
#define LDC1612_PACKAGE_HEADER 0xD5
#define LDC1612_BOARD_TYPE 0x03
#define LDC1612_PACKAGE_LENGTH 0x02
/******************************************************************************/ /******************************************************************************/
@@ -50,13 +36,21 @@ typedef enum
/******************************************************************************/ /******************************************************************************/
void rs485_config(void); void rs485_config(void);
void process_command(uint8_t* cmd, size_t length); void process_command(uint8_t* cmd, size_t length);
uint8_t calculate_crc(uint8_t data[], uint8_t data_length); uint8_t calculate_crc(uint8_t data[], uint8_t data_length);
validation_result_t validate_package_crc(uint8_t* data, uint8_t data_length); validation_result_t validate_package_crc(uint8_t* data, uint8_t data_length);
validation_result_t validate_package_header(uint8_t* data); validation_result_t validate_package_header(uint8_t* data);
validation_result_t validate_package_type(uint8_t* data); validation_result_t validate_package_type(uint8_t* data);
validation_result_t validate_data_length(uint8_t* data); validation_result_t validate_data_length(uint8_t* data);
void eddy_current_value_report(void); void eddy_current_value_report(void);
void tempture_value_report(void); void tempture_value_report(void);
#endif //RS485_H #endif //RS485_H

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@@ -7,12 +7,6 @@
#include "gd32e23x_it.h" #include "gd32e23x_it.h"
#include "gd32e23x.h" #include "gd32e23x.h"
#include "systick.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "board_config.h" #include "board_config.h"
@@ -28,6 +22,8 @@
/******************************************************************************/ /******************************************************************************/
#define TMP112A_TEMP_REG 0x00
uint32_t tmp112a_get_raw_channel_result(void); uint32_t tmp112a_get_raw_channel_result(void);
#endif //TMP112_H #endif //TMP112_H

28
src/fwdgt.c Normal file
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@@ -0,0 +1,28 @@
//
// Created by yelv1 on 24-12-29.
//
#include "fwdgt.h"
void watchdog_init(void) {
/* Enable the LSI clock */
rcu_osci_on(RCU_IRC40K);
rcu_osci_stab_wait(RCU_IRC40K);
/* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
/* Enable FWDGT */
fwdgt_enable();
}
void fwdgt_reset_mcu(void) {
/* Enable the write access to the FWDGT_CTL register */
FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
/* Configure FWDGT to trigger a system reset */
fwdgt_config(50, FWDGT_PSC_DIV4);
/* Reload the counter to trigger the reset */
fwdgt_counter_reload();
}

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@@ -103,15 +103,15 @@ void SysTick_Handler(void) {
* @retval None * @retval None
*/ */
void TIMER16_IRQHandler(void) { void TIMER16_IRQHandler(void) {
if (timer_interrupt_flag_get(LED_TIMER, TIMER_INT_FLAG_UP) == SET) { if (timer_interrupt_flag_get(LED_BLINK_TIMER, TIMER_INT_FLAG_UP) == SET) {
timer_interrupt_flag_clear(LED_TIMER, TIMER_INT_FLAG_UP); timer_interrupt_flag_clear(LED_BLINK_TIMER, TIMER_INT_FLAG_UP);
static uint8_t led_status = 0; static uint8_t led_status = 0;
if (led_status) { if (led_status) {
gpio_bit_write(LED_PORT, LED_PIN, RESET); gpio_bit_write(LED_PORT, LED_PIN, RESET);
timer_autoreload_value_config(LED_TIMER, 19200); timer_autoreload_value_config(LED_BLINK_TIMER, 19200);
} else { } else {
gpio_bit_write(LED_PORT, LED_PIN, SET); gpio_bit_write(LED_PORT, LED_PIN, SET);
timer_autoreload_value_config(LED_TIMER, 800); timer_autoreload_value_config(LED_BLINK_TIMER, 800);
} }
led_status = !led_status; led_status = !led_status;
} }

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@@ -11,8 +11,8 @@ void led_config(void) {
gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN); gpio_output_options_set(LED_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, LED_PIN);
gpio_bit_write(LED_PORT, LED_PIN, SET); gpio_bit_write(LED_PORT, LED_PIN, SET);
rcu_periph_clock_enable(LED_TIMER_RCU); rcu_periph_clock_enable(LED_BLINK_TIMER_RCU);
timer_deinit(LED_TIMER); timer_deinit(LED_BLINK_TIMER);
timer_parameter_struct timer_initpara; timer_parameter_struct timer_initpara;
timer_struct_para_init(&timer_initpara); timer_struct_para_init(&timer_initpara);
@@ -21,12 +21,12 @@ void led_config(void) {
timer_initpara.counterdirection = TIMER_COUNTER_UP; timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 9999; timer_initpara.period = 9999;
timer_initpara.clockdivision = TIMER_CKDIV_DIV1; timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_init(LED_TIMER, &timer_initpara); timer_init(LED_BLINK_TIMER, &timer_initpara);
timer_auto_reload_shadow_enable(LED_TIMER); timer_auto_reload_shadow_enable(LED_BLINK_TIMER);
timer_interrupt_enable(LED_TIMER, TIMER_INT_UP); timer_interrupt_enable(LED_BLINK_TIMER, TIMER_INT_UP);
timer_enable(LED_TIMER); timer_enable(LED_BLINK_TIMER);
nvic_irq_enable(LED_IRQ, 2); nvic_irq_enable(LED_BLINK_IRQ, 2);
} }

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@@ -5,44 +5,6 @@
\version 2024-02-22, V2.1.0, firmware for GD32E23x \version 2024-02-22, V2.1.0, firmware for GD32E23x
*/ */
#include "main.h" #include "main.h"
#include <stdio.h>
#include "gd32e23x.h"
#include "systick.h"
#include "gd32e23x_libopt.h"
#include "rs485.h"
#include "led.h"
#include "i2c.h"
#include "ldc1612.h"
#include "board_config.h"
#ifdef SOFTWARE_IIC
#include "soft_i2c.h"
#else
#include "i2c.h"
#endif
void watchdog_init(void) {
/* Enable the LSI clock */
rcu_osci_on(RCU_IRC40K);
rcu_osci_stab_wait(RCU_IRC40K);
/* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
/* Enable FWDGT */
fwdgt_enable();
}
void reset_mcu(void) {
/* Enable the write access to the FWDGT_CTL register */
FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
/* Configure FWDGT to trigger a system reset */
fwdgt_config(50, FWDGT_PSC_DIV4);
/* Reload the counter to trigger the reset */
fwdgt_counter_reload();
}
/*! /*!
\brief main function \brief main function

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@@ -56,7 +56,7 @@ void process_command(uint8_t *cmd, size_t length) {
} else if (strcmp(combined_str, "M3") == 0) } else if (strcmp(combined_str, "M3") == 0)
{ {
printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC); printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
reset_mcu(); fwdgt_reset_mcu();
} else { } else {
printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C); printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);
return; return;
@@ -98,7 +98,7 @@ validation_result_t validate_package_crc(uint8_t *data, uint8_t data_length) {
} }
validation_result_t validate_package_header(uint8_t *data) { validation_result_t validate_package_header(uint8_t *data) {
if (data[0] == LDC1612_PACKAGE_HEADER) { if (data[0] == PROTOCOL_PACKAGE_HEADER) {
return VALIDATION_SUCCESS; return VALIDATION_SUCCESS;
} else { } else {
return VALIDATION_HEADER_ERROR; return VALIDATION_HEADER_ERROR;
@@ -106,7 +106,7 @@ validation_result_t validate_package_header(uint8_t *data) {
} }
validation_result_t validate_package_type(uint8_t *data) { validation_result_t validate_package_type(uint8_t *data) {
if (data[1] == LDC1612_BOARD_TYPE) { if (data[1] == PROTOCOL_BOARD_TYPE) {
return VALIDATION_SUCCESS; return VALIDATION_SUCCESS;
} else { } else {
return VALIDATION_TYPE_ERROR; return VALIDATION_TYPE_ERROR;
@@ -114,7 +114,7 @@ validation_result_t validate_package_type(uint8_t *data) {
} }
validation_result_t validate_data_length(uint8_t *data) { validation_result_t validate_data_length(uint8_t *data) {
if (data[2] == LDC1612_PACKAGE_LENGTH) { if (data[2] == PROTOCOL_PACKAGE_LENGTH) {
return VALIDATION_SUCCESS; return VALIDATION_SUCCESS;
} else { } else {
return VALIDATION_LENGTH_ERROR; return VALIDATION_LENGTH_ERROR;

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@@ -13,7 +13,7 @@
void soft_i2c_delay(void) { void soft_i2c_delay(void) {
delay_us(20); // Adjust delay as needed delay_us(20); // Adjust delay as needed
/* delay to freq /* delay to freq
* 20KHz: delay_us(20); * 15KHz: delay_us(20);
* 65KHz: delay_us(1); * 65KHz: delay_us(1);
*/ */
} }
@@ -44,15 +44,12 @@ void soft_i2c_config(void) {
\retval none \retval none
*/ */
void soft_i2c_start(void) { void soft_i2c_start(void) {
// sda_out();
I2C_SDA_HIGH(); I2C_SDA_HIGH();
I2C_SCL_HIGH(); I2C_SCL_HIGH();
soft_i2c_delay(); soft_i2c_delay();
I2C_SDA_LOW(); I2C_SDA_LOW();
soft_i2c_delay(); soft_i2c_delay();
I2C_SCL_LOW(); I2C_SCL_LOW();
// soft_i2c_delay();
// 从全高开始SCL为高期间SDA下降沿表示start信号再拉低SCL
} }
/*! /*!
@@ -69,7 +66,6 @@ void soft_i2c_stop(void) {
I2C_SCL_HIGH(); I2C_SCL_HIGH();
soft_i2c_delay(); soft_i2c_delay();
I2C_SDA_HIGH(); I2C_SDA_HIGH();
// 从全低开始SCL为高期间SDA上升沿表示stop
} }
/*! /*!
@@ -87,7 +83,6 @@ void soft_i2c_send_ack(void) {
I2C_SCL_LOW(); I2C_SCL_LOW();
soft_i2c_delay(); soft_i2c_delay();
I2C_SDA_HIGH(); I2C_SDA_HIGH();
// SCL产生一个正常的时钟周期其间SDA始终为低电平表示ACK
} }
/*! /*!
@@ -97,7 +92,6 @@ void soft_i2c_send_ack(void) {
\retval none \retval none
*/ */
void soft_i2c_send_nack(void) { void soft_i2c_send_nack(void) {
// sda_out();
I2C_SDA_HIGH(); I2C_SDA_HIGH();
soft_i2c_delay(); soft_i2c_delay();
I2C_SCL_HIGH(); I2C_SCL_HIGH();
@@ -105,7 +99,6 @@ void soft_i2c_send_nack(void) {
I2C_SCL_LOW(); I2C_SCL_LOW();
soft_i2c_delay(); soft_i2c_delay();
I2C_SDA_HIGH(); I2C_SDA_HIGH();
// SCL产生一个正常的时钟周期其间SDA始终为高电平表示NACK
} }
/*! /*!
@@ -115,13 +108,11 @@ void soft_i2c_send_nack(void) {
\retval 0: ACK received, 1: ACK not received \retval 0: ACK received, 1: ACK not received
*/ */
uint8_t soft_i2c_wait_ack(void) { uint8_t soft_i2c_wait_ack(void) {
// sda_in();
I2C_SDA_HIGH(); I2C_SDA_HIGH();
soft_i2c_delay(); soft_i2c_delay();
I2C_SCL_HIGH(); I2C_SCL_HIGH();
soft_i2c_delay(); soft_i2c_delay();
uint8_t ack = !I2C_SDA_READ(); uint8_t ack = !I2C_SDA_READ();
//ACK信号是第九个时钟期间SDA被从机在SCL高期间拉低并保持低电平。此处判断SDA是否被拉低被拉低则返回0取反为1表示收到ACK
I2C_SCL_LOW(); I2C_SCL_LOW();
return ack; return ack;
} }
@@ -135,19 +126,18 @@ uint8_t soft_i2c_wait_ack(void) {
void soft_i2c_send_byte(uint8_t byte) { void soft_i2c_send_byte(uint8_t byte) {
// sda_out(); // sda_out();
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
if (byte & 0x80) { //通过&操作获取第一位是1还是0 if (byte & 0x80) {
I2C_SDA_HIGH(); //SCL低电平期间SDA高电平表示1 I2C_SDA_HIGH();
} else { } else {
I2C_SDA_LOW(); //SCL低电平期间SDA低电平表示0 I2C_SDA_LOW();
} }
byte <<= 1; //左移一位,把原本第二位的数据移到第一位,再判断高低电平 byte <<= 1;
soft_i2c_delay(); soft_i2c_delay();
I2C_SCL_HIGH(); //SCL拉高电平SDA电平状态保持不变 I2C_SCL_HIGH();
soft_i2c_delay();
I2C_SCL_LOW();
soft_i2c_delay(); soft_i2c_delay();
I2C_SCL_LOW(); //SCL拉低电平
delay_us(5);
} }
// i2c_wait_ack();
} }
/*! /*!
@@ -157,9 +147,8 @@ void soft_i2c_send_byte(uint8_t byte) {
\retval received byte \retval received byte
*/ */
uint8_t soft_i2c_receive_byte(uint8_t ack) { uint8_t soft_i2c_receive_byte(uint8_t ack) {
// sda_in();
uint8_t byte = 0; uint8_t byte = 0;
I2C_SDA_HIGH(); //从高开始 I2C_SDA_HIGH();
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
byte <<= 1; byte <<= 1;
I2C_SCL_HIGH(); I2C_SCL_HIGH();

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@@ -11,9 +11,9 @@ uint32_t tmp112a_get_raw_channel_result(void) {
// ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value); // ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value);
#ifdef SOFTWARE_IIC #ifdef SOFTWARE_IIC
soft_i2c_read_16bits(TMP112A_ADDR, 0x00, value); soft_i2c_read_16bits(TMP112A_ADDR, TMP112A_TEMP_REG, value);
#else #else
i2c_read_16bits(TMP112A_ADDR, 0x00, value); i2c_read_16bits(TMP112A_ADDR, TMP112A_TEMP_REG, value);
#endif #endif
raw_value = ((uint16_t) (value[0] << 4) | (value[1]>>4)); raw_value = ((uint16_t) (value[0] << 4) | (value[1]>>4));