generated from hulk/gd32e23x_template
Compare commits
9 Commits
67ea11a45e
...
444804efe4
Author | SHA1 | Date | |
---|---|---|---|
444804efe4 | |||
e89169582d | |||
19e73080e6 | |||
0ac221ce6f | |||
9b9f14f97a | |||
7d6be9f390 | |||
97587ba990 | |||
6792caa04f | |||
ce6289a82a |
@ -4,8 +4,8 @@ include(cmake/toolchain.cmake)
|
||||
project(xlsw_3dp_LDC1612)
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||||
|
||||
set(VERSION_MAJOR 0)
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||||
set(VERSION_MINOR 1)
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||||
set(VERSION_PATCH 1)
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set(VERSION_MINOR 2)
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set(VERSION_PATCH 0)
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||||
set(VERSION "V${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
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string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
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||||
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||||
@ -29,6 +29,7 @@ set(TARGET_C_SRC
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${CMAKE_SOURCE_DIR}/src/rs485.c
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||||
${CMAKE_SOURCE_DIR}/src/led.c
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||||
${CMAKE_SOURCE_DIR}/src/i2c.c
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||||
${CMAKE_SOURCE_DIR}/src/soft_i2c.c
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||||
)
|
||||
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||||
add_executable(xlsw_3dp_LDC1612 ${TARGET_C_SRC})
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||||
|
79
CommunicationProtocol.md
Normal file
79
CommunicationProtocol.md
Normal file
@ -0,0 +1,79 @@
|
||||
# 电涡流传感器模块通信协议
|
||||
|
||||
## 电涡流传感器模块通信协议
|
||||
|
||||
| **序号** | **修改内容** | **版本** | **日期** | **修改人** |
|
||||
|:------:|:--------:|:------:|:----------:|:-------:|
|
||||
| 1 | 初版 | V1.0 | 2024-12-25 | Hulk |
|
||||
| | | | | |
|
||||
| | | | | |
|
||||
| | | | | |
|
||||
|
||||
### 发包格式
|
||||
|
||||
| **包头** | **类型** | **数据长度** | **数据** | **校验** |
|
||||
|:------:|:------:|:-----------:|:------:|:------:|
|
||||
| D5 | 0x03 | Data Length | Data | CRC |
|
||||
|
||||
- 数据长度只包含数据部分,不包含包头、类型、数据长度、校验
|
||||
- CRC求和校验,包含类型、数据长度、数据
|
||||
- 数据部分为ascii码
|
||||
|
||||
### 回包格式
|
||||
|
||||
| **包头** | **状态码** | **数据长度** | **数据** | **校验** |
|
||||
|:------:|:----------:|:-----------:|:------:|:------:|
|
||||
| B5 | 0xF0 正常包 | Data Length | Data | CRC |
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||||
| B5 | 0xF1 CRC错误 | Data Length | Data | CRC |
|
||||
| B5 | 0xF2 包头错误 | Data Length | Data | CRC |
|
||||
| B5 | 0xF3 类型错误 | Data Length | Data | CRC |
|
||||
| B5 | 0xF4 包长度错误 | Data Length | Data | CRC |
|
||||
|
||||
- 数据长度只包含数据部分,不包含包头、类型、数据长度、校验
|
||||
- CRC求和校验,包含状态码、数据长度、数据
|
||||
- 有效数据部分为uint32_t,高字节在前
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||||
- 包错误和指令错误时,数据部分为ascii码 `err`
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||||
|
||||
-------------------
|
||||
|
||||
## 电涡流传感器模块功能
|
||||
|
||||
### 1. 读取电涡流传感器模块数据
|
||||
|
||||
- 发送M1指令,读取电涡流传感器模块数据。
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||||
- `D5 03 02 4D 31 83`
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||||
- 电涡流传感器模块涡流回复数据
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||||
- `B5 F0 04 01 AE 1B E4 A2`, 有效数据为 `0x01AE1BE4`,转换为`28187620`
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||||
- `B5 F0 04 04 19 C1 FA CC`, 有效数据为 `0x0419C1FAD2`,转换为`17612012242`
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- 错误命令(M3指令)回包
|
||||
- `B5 F0 03 65 72 72 3C`,有效数据为 `err`
|
||||
- CRC错误回包
|
||||
- `B5 F1 03 65 72 72 3D`, 有效数据为 `err`
|
||||
- 包头错误回包
|
||||
- `B5 F2 03 65 72 72 3E`, 有效数据为 `err`
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||||
- 类型错误回包
|
||||
- `B5 F3 03 65 72 72 3F`, 有效数据为 `err`
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||||
- 数据长度错误回包
|
||||
- `B5 F4 03 65 72 72 40`, 有效数据为 `err`
|
||||
|
||||
### 2. 读取电涡流传感器模块温度补偿数据
|
||||
|
||||
- 发送M2指令,读取电涡流传感器模块数据。
|
||||
- `D5 03 02 4D 32 84`
|
||||
- 电涡流传感器模块温度补偿回复数据
|
||||
- `B5 F0 04 00 03 40 85 BC`, 有效数据为 `0x00034085`,转换为`213125`(单位为摄氏度*10)温度为21.3125℃
|
||||
- `B5 F0 04 00 03 89 C3 43`, 有效数据为 `0x000389C3`,转换为`231875`(单位为摄氏度*10)温度为23.1875℃
|
||||
- 错误命令(M3指令)回包
|
||||
- `B5 F0 03 65 72 72 3C`,有效数据为 `err`
|
||||
- CRC错误回包
|
||||
- `B5 F1 03 65 72 72 3D`, 有效数据为 `err`
|
||||
- 包头错误回包
|
||||
- `B5 F2 03 65 72 72 3E`, 有效数据为 `err`
|
||||
- 类型错误回包
|
||||
- `B5 F3 03 65 72 72 3F`, 有效数据为 `err`
|
||||
- 数据长度错误回包
|
||||
- `B5 F4 03 65 72 72 40`, 有效数据为 `err`
|
||||
|
||||
### 3. 读取数据时间间隔
|
||||
|
||||
- 推荐数据时间间隔至少为500ms
|
82
README.md
82
README.md
@ -1,79 +1,9 @@
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||||
# 电涡流传感器模块通信协议
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# XLSW-3DP-Sensor-LDC1612
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||||
|
||||
| **版本号** | **修改内容** | **日期** | **修改人** |
|
||||
|:-------:|:-------------------:|:----------:|:-------:|
|
||||
| v0.2.0 | 实现软件与硬件IIC可自选,添加看门狗 | 2024-12-29 | Hulk |
|
||||
|
||||
## 电涡流传感器模块通信协议
|
||||
|
||||
| **序号** | **修改内容** | **版本** | **日期** | **修改人** |
|
||||
|:------:|:--------:|:------:|:----------:|:-------:|
|
||||
| 1 | 初版 | V1.0 | 2024-12-25 | Hulk |
|
||||
| | | | | |
|
||||
| | | | | |
|
||||
| | | | | |
|
||||
|
||||
### 发包格式
|
||||
|
||||
| **包头** | **类型** | **数据长度** | **数据** | **校验** |
|
||||
|:------:|:------:|:-----------:|:------:|:------:|
|
||||
| D5 | 0x03 | Data Length | Data | CRC |
|
||||
|
||||
- 数据长度只包含数据部分,不包含包头、类型、数据长度、校验
|
||||
- CRC求和校验,包含类型、数据长度、数据
|
||||
- 数据部分为ascii码
|
||||
|
||||
### 回包格式
|
||||
|
||||
| **包头** | **状态码** | **数据长度** | **数据** | **校验** |
|
||||
|:------:|:----------:|:-----------:|:------:|:------:|
|
||||
| B5 | 0xF0 正常包 | Data Length | Data | CRC |
|
||||
| B5 | 0xF1 CRC错误 | Data Length | Data | CRC |
|
||||
| B5 | 0xF2 包头错误 | Data Length | Data | CRC |
|
||||
| B5 | 0xF3 类型错误 | Data Length | Data | CRC |
|
||||
| B5 | 0xF4 包长度错误 | Data Length | Data | CRC |
|
||||
|
||||
- 数据长度只包含数据部分,不包含包头、类型、数据长度、校验
|
||||
- CRC求和校验,包含状态码、数据长度、数据
|
||||
- 有效数据部分为uint32_t,高字节在前
|
||||
- 包错误和指令错误时,数据部分为ascii码 `err`
|
||||
|
||||
-------------------
|
||||
|
||||
## 电涡流传感器模块功能
|
||||
|
||||
### 1. 读取电涡流传感器模块数据
|
||||
|
||||
- 发送M1指令,读取电涡流传感器模块数据。
|
||||
- `D5 03 02 4D 31 83`
|
||||
- 电涡流传感器模块涡流回复数据
|
||||
- `B5 F0 04 01 AE 1B E4 A2`, 有效数据为 `0x01AE1BE4`,转换为`28187620`
|
||||
- `B5 F0 04 04 19 C1 FA CC`, 有效数据为 `0x0419C1FAD2`,转换为`17612012242`
|
||||
- 错误命令(M3指令)回包
|
||||
- `B5 F0 03 65 72 72 3C`,有效数据为 `err`
|
||||
- CRC错误回包
|
||||
- `B5 F1 03 65 72 72 3D`, 有效数据为 `err`
|
||||
- 包头错误回包
|
||||
- `B5 F2 03 65 72 72 3E`, 有效数据为 `err`
|
||||
- 类型错误回包
|
||||
- `B5 F3 03 65 72 72 3F`, 有效数据为 `err`
|
||||
- 数据长度错误回包
|
||||
- `B5 F4 03 65 72 72 40`, 有效数据为 `err`
|
||||
|
||||
### 2. 读取电涡流传感器模块温度补偿数据
|
||||
|
||||
- 发送M2指令,读取电涡流传感器模块数据。
|
||||
- `D5 03 02 4D 32 84`
|
||||
- 电涡流传感器模块温度补偿回复数据
|
||||
- `B5 F0 04 00 03 40 85 BC`, 有效数据为 `0x00034085`,转换为`213125`(单位为摄氏度*10)温度为21.3125℃
|
||||
- `B5 F0 04 00 03 89 C3 43`, 有效数据为 `0x000389C3`,转换为`231875`(单位为摄氏度*10)温度为23.1875℃
|
||||
- 错误命令(M3指令)回包
|
||||
- `B5 F0 03 65 72 72 3C`,有效数据为 `err`
|
||||
- CRC错误回包
|
||||
- `B5 F1 03 65 72 72 3D`, 有效数据为 `err`
|
||||
- 包头错误回包
|
||||
- `B5 F2 03 65 72 72 3E`, 有效数据为 `err`
|
||||
- 类型错误回包
|
||||
- `B5 F3 03 65 72 72 3F`, 有效数据为 `err`
|
||||
- 数据长度错误回包
|
||||
- `B5 F4 03 65 72 72 40`, 有效数据为 `err`
|
||||
|
||||
### 3. 读取数据时间间隔
|
||||
|
||||
- 推荐数据时间间隔至少为500ms
|
||||
通信协议:[LDC1612通信协议]{./CommunicationProtocol.md}
|
36
inc/board_config.h
Normal file
36
inc/board_config.h
Normal file
@ -0,0 +1,36 @@
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||||
//
|
||||
// Created by dell on 24-12-28.
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||||
//
|
||||
|
||||
#ifndef BOARD_CONFIG_H
|
||||
#define BOARD_CONFIG_H
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||||
|
||||
#define SOFTWARE_IIC
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||||
|
||||
// #define DEBUG_VERBOES
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
#define I2C_SPEED 20000
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||||
#define RCU_GPIO_I2C RCU_GPIOF
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#define RCU_I2C RCU_I2C0
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#define I2C_SCL_PORT GPIOF
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||||
#define I2C_SCL_PIN GPIO_PIN_1
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#define I2C_SDA_PORT GPIOF
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||||
#define I2C_SDA_PIN GPIO_PIN_0
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||||
#define I2C_GPIO_AF GPIO_AF_1
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||||
|
||||
/******************************************************************************/
|
||||
|
||||
#define RS485_RCU RCU_USART0
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||||
#define RS485_GPIO_RCU RCU_GPIOA
|
||||
#define RS485_GPIO_PORT GPIOA
|
||||
#define RS485_TX_PIN GPIO_PIN_2
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||||
#define RS485_RX_PIN GPIO_PIN_3
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||||
#define RS485_PHY USART0
|
||||
#define RS485_BAUDRATE 115200U
|
||||
#define RS485_EN_PIN GPIO_PIN_1
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
#endif //BOARD_CONFIG_H
|
15
inc/i2c.h
15
inc/i2c.h
@ -15,16 +15,15 @@
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "board_config.h"
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
#define I2C_SPEED 20000
|
||||
#define RCU_GPIO_I2C RCU_GPIOF
|
||||
#define RCU_I2C RCU_I2C0
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||||
#define I2C_SCL_PORT GPIOF
|
||||
#define I2C_SCL_PIN GPIO_PIN_1
|
||||
#define I2C_SDA_PORT GPIOF
|
||||
#define I2C_SDA_PIN GPIO_PIN_0
|
||||
#define I2C_GPIO_AF GPIO_AF_1
|
||||
#define I2C_SCL_HIGH() gpio_bit_set(I2C_SCL_PORT, I2C_SCL_PIN)
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#define I2C_SCL_LOW() gpio_bit_reset(I2C_SCL_PORT, I2C_SCL_PIN)
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||||
#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)
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||||
#define I2C_SDA_READ() gpio_input_bit_get(I2C_SDA_PORT, I2C_SDA_PIN)
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
|
@ -13,8 +13,12 @@
|
||||
#include <stdio.h>
|
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#include <stdlib.h>
|
||||
#include <math.h>
|
||||
#include "board_config.h"
|
||||
#include "soft_i2c.h"
|
||||
#include "i2c.h"
|
||||
|
||||
/***************************************************************************/
|
||||
|
||||
#define LDC1612_ADDR (0x2B << 1)
|
||||
|
||||
/*Register Rddr*/
|
||||
|
53
inc/soft_i2c.h
Normal file
53
inc/soft_i2c.h
Normal file
@ -0,0 +1,53 @@
|
||||
//
|
||||
// Created by dell on 24-12-28.
|
||||
//
|
||||
|
||||
#ifndef SOFT_I2C_H
|
||||
#define SOFT_I2C_H
|
||||
|
||||
#include "gd32e23x_it.h"
|
||||
#include "gd32e23x.h"
|
||||
#include "systick.h"
|
||||
#include "main.h"
|
||||
|
||||
#include "board_config.h"
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
#define I2C_SCL_HIGH() gpio_bit_set(I2C_SCL_PORT, I2C_SCL_PIN)
|
||||
#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 SOFT_I2C_OK 1
|
||||
#define SOFT_I2C_FAIL 0
|
||||
#define SOFT_I2C_END 1
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
void soft_i2c_delay(void);
|
||||
|
||||
void soft_i2c_config(void);
|
||||
|
||||
void soft_i2c_start(void);
|
||||
|
||||
void soft_i2c_stop(void);
|
||||
|
||||
void soft_i2c_send_ack(void);
|
||||
|
||||
void soft_i2c_send_nack(void);
|
||||
|
||||
uint8_t soft_i2c_wait_ack(void);
|
||||
|
||||
void soft_i2c_send_byte(uint8_t data);
|
||||
|
||||
uint8_t soft_i2c_receive_byte(uint8_t ack);
|
||||
|
||||
uint8_t soft_i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]);
|
||||
|
||||
uint8_t soft_i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data);
|
||||
|
||||
#endif //SOFT_I2C_H
|
@ -13,7 +13,14 @@
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "board_config.h"
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
#include "soft_i2c.h"
|
||||
#else
|
||||
#include "i2c.h"
|
||||
#endif
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
|
@ -45,9 +45,9 @@
|
||||
|
||||
/* select a system clock by uncommenting the following line */
|
||||
//#define __SYSTEM_CLOCK_8M_HXTAL (__HXTAL)
|
||||
#define __SYSTEM_CLOCK_8M_IRC8M (__IRC8M)
|
||||
// #define __SYSTEM_CLOCK_8M_IRC8M (__IRC8M)
|
||||
// #define __SYSTEM_CLOCK_72M_PLL_HXTAL (uint32_t)(72000000)
|
||||
// #define __SYSTEM_CLOCK_72M_PLL_IRC8M_DIV2 (uint32_t)(72000000)
|
||||
#define __SYSTEM_CLOCK_72M_PLL_IRC8M_DIV2 (uint32_t)(72000000)
|
||||
|
||||
#define RCU_MODIFY(__delay) do{ \
|
||||
volatile uint32_t i; \
|
||||
|
@ -32,6 +32,8 @@ void i2c_gpio_config(void) {
|
||||
\retval none
|
||||
*/
|
||||
void i2c_config(void) {
|
||||
/* configure I2C GPIO */
|
||||
i2c_gpio_config();
|
||||
/* enable I2C clock */
|
||||
rcu_periph_clock_enable(RCU_I2C);
|
||||
/* configure I2C clock */
|
||||
|
@ -12,7 +12,12 @@ void ldc1612_set_conversion_time(uint8_t channel, uint16_t result) {
|
||||
uint8_t data[2] = {0};
|
||||
data[0] = (result >> 8) & 0xFF;
|
||||
data[1] = result & 0xFF;
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SET_CONVERSION_TIME_REG_START + channel, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SET_CONVERSION_TIME_REG_START + channel, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief set conversion offset.
|
||||
@ -23,7 +28,12 @@ void ldc1612_set_conversion_offset(uint8_t channel, uint16_t result) {
|
||||
uint8_t data[2] = {0};
|
||||
data[0] = (result >> 8) & 0xFF;
|
||||
data[1] = result & 0xFF;
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SET_CONVERSION_OFFSET_REG_START + channel, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SET_CONVERSION_OFFSET_REG_START + channel, data);
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
/** @brief Before conversion,wait LC sensor stabilize for a short time.
|
||||
@ -34,7 +44,11 @@ void ldc1612_set_LC_stabilize_time(uint8_t channel, uint16_t result) {
|
||||
uint8_t data[2] = {0};
|
||||
data[0] = (result >> 8) & 0xFF;
|
||||
data[1] = result & 0xFF;
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SET_LC_STABILIZE_REG_START + channel, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SET_LC_STABILIZE_REG_START + channel, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief set input frequency divide and fref divide.
|
||||
@ -65,8 +79,11 @@ void ldc1612_set_freq_divide(uint8_t channel) {
|
||||
data[0] = (value >> 8) & 0xFF;
|
||||
data[1] = value & 0xFF;
|
||||
// printf("\tFIN_DIV: %d, FREF_DIV: %d\r\n", fin_div, freq_div);
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SET_FREQ_REG_START + channel, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SET_FREQ_REG_START + channel, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief Error output config.
|
||||
@ -77,7 +94,11 @@ void ldc1612_set_error_config(uint16_t value) {
|
||||
data[0] = (value >> 8) & 0xFF;
|
||||
data[1] = value & 0xFF;
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, ERROR_CONFIG_REG, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, ERROR_CONFIG_REG, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief mux config.
|
||||
@ -88,7 +109,11 @@ void ldc1612_set_mux_config(uint16_t value) {
|
||||
data[0] = (value >> 8) & 0xFF;
|
||||
data[1] = value & 0xFF;
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, MUL_CONFIG_REG, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, MUL_CONFIG_REG, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief reset sensor.
|
||||
@ -98,7 +123,12 @@ void ldc1612_reset_sensor(void) {
|
||||
uint8_t data[2] = {0};
|
||||
data[0] = 0x80;
|
||||
data[1] = 0x00;
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SENSOR_RESET_REG, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SENSOR_RESET_REG, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief set drive current of sensor.
|
||||
@ -109,7 +139,11 @@ void ldc1612_set_drive_current(uint8_t channel, uint16_t value) {
|
||||
data[0] = (value >> 8) & 0xFF;
|
||||
data[1] = value & 0xFF;
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SET_DRIVER_CURRENT_REG + channel, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SET_DRIVER_CURRENT_REG + channel, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
/** @brief Main config part of sensor.Contains select channel、start conversion、sleep mode、sensor activation mode、INT pin disable ..
|
||||
@ -120,7 +154,11 @@ void ldc1612_set_sensor_config(uint16_t value) {
|
||||
data[0] = (value >> 8) & 0xFF;
|
||||
data[1] = value & 0xFF;
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_write_16bits(LDC1612_ADDR, SENSOR_CONFIG_REG, data);
|
||||
#else
|
||||
i2c_write_16bits(LDC1612_ADDR, SENSOR_CONFIG_REG, data);
|
||||
#endif
|
||||
}
|
||||
|
||||
void ldc1612_single_ch0_config(void) {
|
||||
@ -141,23 +179,41 @@ void ldc1612_single_ch0_config(void) {
|
||||
|
||||
void ldc1612_iic_get_sensor_infomation(void) {
|
||||
uint8_t data[2] = {0};
|
||||
// ldc1612_iic_read_16bits(READ_MANUFACTURER_ID, data);
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(LDC1612_ADDR, READ_MANUFACTURER_ID, data);
|
||||
#else
|
||||
i2c_read_16bits(LDC1612_ADDR, READ_MANUFACTURER_ID, data);
|
||||
#endif
|
||||
printf("\tManufacturer: 0x%x", (data[0] << 8) | data[1]);
|
||||
// ldc1612_iic_read_16bits(READ_DEVICE_ID, data);
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(LDC1612_ADDR, READ_DEVICE_ID, data);
|
||||
#else
|
||||
i2c_read_16bits(LDC1612_ADDR, READ_DEVICE_ID, data);
|
||||
#endif
|
||||
printf("\tDevice: 0x%x", (data[0] << 8) | data[1]);
|
||||
}
|
||||
|
||||
uint16_t ldc1612_get_manufacturer_id(void) {
|
||||
uint8_t data[2] = {0};
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(LDC1612_ADDR, READ_MANUFACTURER_ID, data);
|
||||
#else
|
||||
i2c_read_16bits(LDC1612_ADDR, READ_MANUFACTURER_ID, data);
|
||||
#endif
|
||||
return (data[0] << 8) | data[1];
|
||||
}
|
||||
|
||||
uint16_t ldc1612_get_deveice_id(void) {
|
||||
uint8_t data[2] = {0};
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(LDC1612_ADDR, READ_DEVICE_ID, data);
|
||||
#else
|
||||
i2c_read_16bits(LDC1612_ADDR, READ_DEVICE_ID, data);
|
||||
#endif
|
||||
return (data[0] << 8) | data[1];
|
||||
}
|
||||
|
||||
@ -169,11 +225,18 @@ uint32_t ldc1612_get_raw_channel_result(uint8_t channel) {
|
||||
uint32_t raw_value = 0;
|
||||
uint8_t value[2] = {0};
|
||||
|
||||
// ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value);
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(LDC1612_ADDR, CONVERTION_RESULT_REG_START + channel, value);
|
||||
#else
|
||||
i2c_read_16bits(LDC1612_ADDR, CONVERTION_RESULT_REG_START + channel, value);
|
||||
#endif
|
||||
raw_value |= (uint32_t) ((value[0] << 8) | value[1]) << 16;
|
||||
// ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel + 1, value);
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(LDC1612_ADDR, CONVERTION_RESULT_REG_START + channel + 1, value);
|
||||
#else
|
||||
i2c_read_16bits(LDC1612_ADDR, CONVERTION_RESULT_REG_START + channel + 1, value);
|
||||
#endif
|
||||
raw_value |= (uint32_t) ((value[0] << 8) | value[1]);
|
||||
return ldc1612_parse_raw_result(raw_value);
|
||||
}
|
||||
|
@ -16,10 +16,10 @@ void led_config(void) {
|
||||
|
||||
timer_parameter_struct timer_initpara;
|
||||
timer_struct_para_init(&timer_initpara);
|
||||
timer_initpara.prescaler = 799;
|
||||
timer_initpara.prescaler = 7199;
|
||||
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
|
||||
timer_initpara.counterdirection = TIMER_COUNTER_UP;
|
||||
timer_initpara.period = 999;
|
||||
timer_initpara.period = 9999;
|
||||
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
|
||||
timer_init(LED_TIMER, &timer_initpara);
|
||||
|
||||
|
24
src/main.c
24
src/main.c
@ -13,10 +13,13 @@
|
||||
#include "led.h"
|
||||
#include "i2c.h"
|
||||
#include "ldc1612.h"
|
||||
#include "tmp112.h"
|
||||
#include "board_config.h"
|
||||
|
||||
uint32_t g_temperature_uint32;
|
||||
uint32_t g_eddy_current_value_uint32;
|
||||
#ifdef SOFTWARE_IIC
|
||||
#include "soft_i2c.h"
|
||||
#else
|
||||
#include "i2c.h"
|
||||
#endif
|
||||
|
||||
void watchdog_init(void) {
|
||||
/* Enable the LSI clock */
|
||||
@ -55,11 +58,18 @@ int main(void) {
|
||||
rs485_config();
|
||||
/* configure LED */
|
||||
led_config();
|
||||
/* configure I2C */
|
||||
i2c_gpio_config();
|
||||
i2c_config();
|
||||
|
||||
// ldc1612_iic_get_sensor_infomation();
|
||||
/* configure I2C */
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_config();
|
||||
#else
|
||||
i2c_config();
|
||||
#endif
|
||||
|
||||
#ifdef DEBUG_VERBOES
|
||||
ldc1612_iic_get_sensor_infomation();
|
||||
#endif
|
||||
|
||||
/* configure LDC1612 */
|
||||
ldc1612_single_ch0_config();
|
||||
|
||||
|
@ -4,9 +4,6 @@
|
||||
|
||||
#include "rs485.h"
|
||||
|
||||
extern uint32_t g_temperature_uint32;
|
||||
extern uint32_t g_eddy_current_value_uint32;
|
||||
|
||||
uint8_t package_header[3] = {0xB5, 0xF0, 0x04};
|
||||
uint8_t package_data[4] = {0};
|
||||
|
||||
|
228
src/soft_i2c.c
Normal file
228
src/soft_i2c.c
Normal file
@ -0,0 +1,228 @@
|
||||
//
|
||||
// Created by dell on 24-12-28.
|
||||
//
|
||||
|
||||
#include "soft_i2c.h"
|
||||
|
||||
/*!
|
||||
\brief delay
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_delay(void) {
|
||||
delay_us(20); // Adjust delay as needed
|
||||
/* delay to freq
|
||||
* 20KHz: delay_us(20);
|
||||
* 65KHz: delay_us(1);
|
||||
*/
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief configure the software IIC GPIO
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_config(void) {
|
||||
rcu_periph_clock_enable(RCU_GPIO_I2C);
|
||||
|
||||
gpio_mode_set(I2C_SCL_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLUP, I2C_SCL_PIN);
|
||||
gpio_output_options_set(I2C_SCL_PORT, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, I2C_SCL_PIN);
|
||||
|
||||
gpio_mode_set(I2C_SDA_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_PULLUP, I2C_SDA_PIN);
|
||||
gpio_output_options_set(I2C_SDA_PORT, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, I2C_SDA_PIN);
|
||||
|
||||
I2C_SCL_HIGH();
|
||||
I2C_SDA_HIGH();
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief generate I2C start signal
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_start(void) {
|
||||
// sda_out();
|
||||
I2C_SDA_HIGH();
|
||||
I2C_SCL_HIGH();
|
||||
soft_i2c_delay();
|
||||
I2C_SDA_LOW();
|
||||
soft_i2c_delay();
|
||||
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
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief generate I2C stop signal
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_stop(void) {
|
||||
// sda_out();
|
||||
I2C_SCL_LOW();
|
||||
I2C_SDA_LOW();
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_HIGH();
|
||||
soft_i2c_delay();
|
||||
I2C_SDA_HIGH();
|
||||
// 从全低开始,SCL为高期间,SDA上升沿表示stop
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief send I2C ACK signal
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_send_ack(void) {
|
||||
// sda_out();
|
||||
I2C_SDA_LOW();
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_HIGH();
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_LOW();
|
||||
soft_i2c_delay();
|
||||
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
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief send I2C NACK signal
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_send_nack(void) {
|
||||
// sda_out();
|
||||
I2C_SDA_HIGH();
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_HIGH();
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_LOW();
|
||||
soft_i2c_delay();
|
||||
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
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief wait I2C ACK signal
|
||||
\param[in] none
|
||||
\param[out] none
|
||||
\retval 0: ACK received, 1: ACK not received
|
||||
*/
|
||||
uint8_t soft_i2c_wait_ack(void) {
|
||||
// sda_in();
|
||||
I2C_SDA_HIGH();
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_HIGH();
|
||||
soft_i2c_delay();
|
||||
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();
|
||||
return ack;
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief send a byte via I2C
|
||||
\param[in] byte: byte to be sent
|
||||
\param[out] none
|
||||
\retval none
|
||||
*/
|
||||
void soft_i2c_send_byte(uint8_t byte) {
|
||||
// sda_out();
|
||||
for (int i = 0; i < 8; i++) {
|
||||
if (byte & 0x80) { //通过&操作获取第一位是1还是0
|
||||
I2C_SDA_HIGH(); //SCL低电平期间,SDA高电平表示1
|
||||
} else {
|
||||
I2C_SDA_LOW(); //SCL低电平期间,SDA低电平表示0
|
||||
}
|
||||
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
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_HIGH(); //SCL拉高电平,SDA电平状态保持不变
|
||||
soft_i2c_delay();
|
||||
I2C_SCL_LOW(); //SCL拉低电平
|
||||
delay_us(5);
|
||||
}
|
||||
// i2c_wait_ack();
|
||||
}
|
||||
|
||||
/*!
|
||||
\brief receive a byte via I2C
|
||||
\param[in] ack: 1: send ACK, 0: send NACK
|
||||
\param[out] none
|
||||
\retval received byte
|
||||
*/
|
||||
uint8_t soft_i2c_receive_byte(uint8_t ack) {
|
||||
// sda_in();
|
||||
uint8_t byte = 0;
|
||||
I2C_SDA_HIGH(); //从高开始
|
||||
for (int i = 0; i < 8; i++) {
|
||||
byte <<= 1;
|
||||
I2C_SCL_HIGH();
|
||||
soft_i2c_delay();
|
||||
if (I2C_SDA_READ()) {
|
||||
byte |= 0x01;
|
||||
}
|
||||
I2C_SCL_LOW();
|
||||
soft_i2c_delay();
|
||||
}
|
||||
if (ack) {
|
||||
soft_i2c_send_ack();
|
||||
} else {
|
||||
soft_i2c_send_nack();
|
||||
}
|
||||
return byte;
|
||||
}
|
||||
|
||||
uint8_t soft_i2c_write_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t data[2]) {
|
||||
soft_i2c_start();
|
||||
soft_i2c_send_byte(slave_addr);
|
||||
if (!soft_i2c_wait_ack()) {
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_FAIL;
|
||||
}
|
||||
soft_i2c_send_byte(reg_addr);
|
||||
if (!soft_i2c_wait_ack()) {
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_FAIL;
|
||||
}
|
||||
soft_i2c_send_byte(data[0]);
|
||||
if (!soft_i2c_wait_ack()) {
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_FAIL;
|
||||
}
|
||||
soft_i2c_send_byte(data[1]);
|
||||
if (soft_i2c_wait_ack()){}
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_OK;
|
||||
}
|
||||
|
||||
uint8_t soft_i2c_read_16bits(uint8_t slave_addr, uint8_t reg_addr, uint8_t *data)
|
||||
{
|
||||
soft_i2c_start();
|
||||
soft_i2c_send_byte(slave_addr);
|
||||
if (!soft_i2c_wait_ack()) {
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_FAIL;
|
||||
}
|
||||
soft_i2c_send_byte(reg_addr);
|
||||
if (!soft_i2c_wait_ack()) {
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_FAIL;
|
||||
}
|
||||
soft_i2c_start();
|
||||
soft_i2c_send_byte(slave_addr | 0x01);
|
||||
if (!soft_i2c_wait_ack()) {
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_FAIL;
|
||||
}
|
||||
soft_i2c_delay();
|
||||
data[0] = soft_i2c_receive_byte(1);
|
||||
data[1] = soft_i2c_receive_byte(0);
|
||||
soft_i2c_stop();
|
||||
return SOFT_I2C_OK;
|
||||
}
|
@ -9,7 +9,13 @@ uint32_t tmp112a_get_raw_channel_result(void) {
|
||||
uint8_t value[2] = {0};
|
||||
|
||||
// ldc1612_iic_read_16bits(CONVERTION_RESULT_REG_START + channel, value);
|
||||
|
||||
#ifdef SOFTWARE_IIC
|
||||
soft_i2c_read_16bits(TMP112A_ADDR, 0x00, value);
|
||||
#else
|
||||
i2c_read_16bits(TMP112A_ADDR, 0x00, value);
|
||||
#endif
|
||||
|
||||
raw_value = ((uint16_t) (value[0] << 4) | (value[1]>>4));
|
||||
return (raw_value * 625);
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user