653 lines
16 KiB
C
653 lines
16 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file bs83b12_capacitive_touch.c
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* @author Motor Control SDK Team, Yuwell Software XiangenWang
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* @brief Voice Recognition Module Initialization Section,
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including peripheral initialization and message node insertion, etc.
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* @version 1.0
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* @changelog version 1.0 初始版本 2025.11.13
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- 新增：新建第一个版本的软件，待完善解析命令后的程序执行部分
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2025 Yuwell Software Danyang.Jiangsu.China.
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* All rights reserved.</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of Yuwell Software nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for Yuwell Software.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY Yuwell Software AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL Yuwell Software OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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#include "bs83b12_capacitive_touch.h"
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#define SDA_SET BS83B12_SDA_SET
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#define SCL_SET BS83B12_SCL_SET
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#define SDA_CLEAR BS83B12_SDA_CLEAR
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#define SCL_CLEAR BS83B12_SCL_CLEAR
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typedef enum
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{
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ACK,
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NACK
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}TYPE_ACK;
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typedef enum
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{
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INPUT,
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OUTPUT
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}SDA_MODE;
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/************************** 仅供内容访问的IO控制封装函数 *************************/
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/**
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* @brief 微秒延时
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* @param us 需要延时的微秒数
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* @retval NONE
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* @note 根据MCU主频调整，确保时序满足HT16K33要求
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* @author jarvis
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* @data 2025.11.25
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*/
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static void I2C_Delay_us(uint32_t us)
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{
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FL_DelayUs(us);
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}
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/**
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* @brief I2C起始条件：SCL高电平时，SDA从高变低
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* @param NONE
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* @retval NONE
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* @note 根据飞利浦I2C官方文档编写
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* @author jarvis
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* @data 2025.11.25
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*/
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static void I2C_Start(void)
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{
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SDA_SET();
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SCL_SET();
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I2C_Delay_us(1);
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SDA_CLEAR();
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I2C_Delay_us(1);
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SCL_CLEAR();
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}
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/**
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* @brief I2C停止条件：SCL高电平时，SDA从低变高
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* @param NONE
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* @retval NONE
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* @note 根据飞利浦I2C官方文档编写，停止后释放I2C总线控制权
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* @author jarvis
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* @date 2025.11.25
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*/
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static void I2C_Stop(void)
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{
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SDA_CLEAR();
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SCL_SET();
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I2C_Delay_us(1);
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SDA_SET();
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I2C_Delay_us(1);
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}
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/**
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* @brief I2C接收应答信号
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* @param NONE
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* @retval uint8_t - 应答检测结果：0表示接收到应答(ACK)，1表示未接收到应答(NACK)
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* @note SDA引脚需配置为输入模式，通过检测PC11引脚电平判断应答状态，遵循I2C协议时序
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* @author jarvis
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* @date 2025.11.25
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*/
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static uint8_t I2C_ReceiveAck(void)
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{
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uint8_t ack = 1;
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SCL_CLEAR();
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SDA_SET(); // 释放SDA总线
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I2C_Delay_us(1);
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SCL_SET();
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I2C_Delay_us(1);
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if((FL_GPIO_ReadInputPort(BS83B12_SDA_GPIO_GROUP)&BS83B12_SDA_GPIO_PIN) == 0)
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{
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ack = 0; // 检测到应答
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}
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SCL_CLEAR();
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return ack;
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}
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/**
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* @brief SDA引脚输入或输出模式配置
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* @param NONE
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* @retval NONE
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* @note 为什么开漏输出无法读到数据呢？
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* @author 王向恩
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* @data 2025.11.19
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*/
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static void i2c_sda_mode_set(SDA_MODE mode)
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{
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FL_GPIO_InitTypeDef GPIO_InitStruct;
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if(mode == INPUT)
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{
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GPIO_InitStruct.pin = BS83B12_SDA_GPIO_PIN;
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GPIO_InitStruct.mode = FL_GPIO_MODE_INPUT;
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GPIO_InitStruct.outputType = FL_GPIO_OUTPUT_OPENDRAIN;
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GPIO_InitStruct.pull = FL_DISABLE;
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GPIO_InitStruct.remapPin = FL_DISABLE;
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GPIO_InitStruct.analogSwitch = FL_DISABLE;
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FL_GPIO_Init(BS83B12_SDA_GPIO_GROUP, &GPIO_InitStruct);
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}else{
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GPIO_InitStruct.pin = BS83B12_SDA_GPIO_PIN; // 每次发送接收之前我还得把IO口初始化?
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GPIO_InitStruct.mode = FL_GPIO_MODE_OUTPUT; // 那我要开漏输出何用？
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GPIO_InitStruct.outputType = FL_GPIO_OUTPUT_OPENDRAIN;
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GPIO_InitStruct.pull = FL_DISABLE;
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GPIO_InitStruct.remapPin = FL_DISABLE;
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GPIO_InitStruct.analogSwitch = FL_DISABLE;
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FL_GPIO_Init(BS83B12_SDA_GPIO_GROUP, &GPIO_InitStruct);
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}
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}
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/**
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* @brief I2C发送一个字节数据
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* @param data - 待发送的8位数据
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* @retval NONE
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* @note 高位先行(MSB first)，遵循I2C协议时序，SCL高电平时数据有效
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* @author jarvis
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* @date 2025.11.25
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*/
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static void I2C_SendByte(uint8_t data)
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{
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uint8_t i;
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SCL_CLEAR();
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for(i = 0; i < 8; i++)
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{
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if(data & 0x80)
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{
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SDA_SET(); // 发送最高位
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}else{
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SDA_CLEAR();
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}
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data <<= 1;
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I2C_Delay_us(1);
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SCL_SET();
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I2C_Delay_us(1);
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SCL_CLEAR();
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}
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}
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/**
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* @brief I2C读取一个字节数据并发送应答/非应答
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* @param ack - 应答类型（ACK:发送应答, NACK:发送非应答）
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* @retval 读取到的8位数据
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* @note 高位先行(MSB first)，遵循I2C协议时序，SCL高电平时采样SDA数据；
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* 读取完成后根据ack参数发送ACK/NACK位，用于控制多字节读取时序
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* @author jarvis
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* @date 2025.12.05
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*/
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static uint8_t I2C_ReadByte(TYPE_ACK ack)
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{
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uint8_t dat = 0;
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uint32_t EEcount = 0;
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i2c_sda_mode_set(OUTPUT);
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SDA_SET(); // 释放SDA
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i2c_sda_mode_set(INPUT);
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for(uint8_t i=0; i<8; i++)
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{
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SCL_CLEAR();
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I2C_Delay_us(1);
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SCL_SET();
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I2C_Delay_us(5); // 满足t_AA最大600ns
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dat <<= 1;
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if(FL_GPIO_GetInputPin(BS83B12_SDA_GPIO_GROUP,BS83B12_SDA_GPIO_PIN))
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{
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dat |= 0x01;
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EEcount++;
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}
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}
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SCL_CLEAR();
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I2C_Delay_us(1);
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i2c_sda_mode_set(OUTPUT);
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SDA_CLEAR();
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// 发送ACK/NACK
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if(ack == ACK)
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{
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SDA_CLEAR();
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}else{
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SDA_SET();
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}
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SCL_SET();
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I2C_Delay_us(1);
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SCL_CLEAR();
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I2C_Delay_us(1);
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return dat;
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}
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/**
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* @brief 读取BS83B12电容触摸芯片的3字节数据
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* @param feedback_data - 存储读取数据的数组指针（需至少3字节空间）
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* @retval NONE
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* @note 遵循I2C协议，先写地址再切换为读模式；最后一字节发送NACK，前两字节发送ACK
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* @author jarvis
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* @date 2025.12.05
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*/
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static void bs83b12_read_byte(uint8_t* feedback_data)
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{
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I2C_Start();
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// 发送器件地址+写命令（先指定要读取的“专属地址”）
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I2C_SendByte(BS83B12_ADDR | 0x00);
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if (I2C_ReceiveAck())
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{
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I2C_Stop(); // 未收到ACK，发送Stop释放总线
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return;
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}
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I2C_SendByte(0x00);
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if (I2C_ReceiveAck())
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{
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I2C_Stop(); // 未收到ACK，释放总线
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return;
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}
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I2C_Start(); // 重复起始条件，切换为读命令
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I2C_SendByte(BS83B12_ADDR | 0x01); // 读命令（0x01）
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if (I2C_ReceiveAck())
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{
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I2C_Stop(); // 未收到ACK，释放总线
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return;
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}
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for(uint8_t i = 0;i < 3;i++)
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{
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if(i == 2)
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{
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feedback_data[i] = I2C_ReadByte(NACK);
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}else{
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feedback_data[i] = I2C_ReadByte(ACK);
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}
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}
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I2C_Stop();
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return;
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}
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/**
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* @brief 向BS83B12电容触摸芯片写入指定长度的字节数据
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* @param send_data - 待发送数据的数组指针
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* @param len - 待发送数据的字节长度
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* @retval NONE
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* @note 遵循I2C写协议，每发送一字节等待ACK；若未收到ACK立即停止传输并释放总线
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* @author jarvis
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* @date 2025.12.05
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*/
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static void bs83b12_write_byte(uint8_t* send_data, uint8_t len)
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{
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I2C_Start();
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I2C_SendByte(BS83B12_ADDR | 0x00);
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if (I2C_ReceiveAck())
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{
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I2C_Stop(); // 未收到ACK，发送Stop释放总线
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return;
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}
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for(uint8_t i = 0;i < len;i++)
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{
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I2C_SendByte(send_data[i]);
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if (I2C_ReceiveAck())
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{
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I2C_Stop(); // 未收到ACK，释放总线
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return;
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}
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}
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I2C_Stop();
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}
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/**
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* @brief BS83B12电容触摸芯片初始化函数
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* @param NONE
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* @retval NONE
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* @note 初始化相关GPIO（报警黄灯、I2C SCL/SDA）为推挽输出模式；
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* 发送配置指令开启流量计背光灯
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* @author jarvis
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* @date 2025.12.05
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*/
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void bs83b12_capacitive_touch_init(void)
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{
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// 初始化黄灯所在GPIO
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FL_GPIO_InitTypeDef GPIO_InitStruct;
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GPIO_InitStruct.pin = ALARM_YELLOW_GPIO_PIN;
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GPIO_InitStruct.mode = FL_GPIO_MODE_OUTPUT;
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GPIO_InitStruct.outputType = FL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.pull = FL_ENABLE;
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GPIO_InitStruct.remapPin = FL_DISABLE;
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GPIO_InitStruct.analogSwitch = FL_DISABLE;
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FL_GPIO_Init(ALARM_YELLOW_GPIO_PORT, &GPIO_InitStruct);
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// 配置SCK为输出模式
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GPIO_InitStruct.pin = BS83B12_SCL_GPIO_PIN;
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FL_GPIO_Init(BS83B12_SCL_GPIO_GROUP, &GPIO_InitStruct);
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// 配置SDA为输出模式
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GPIO_InitStruct.pin = BS83B12_SDA_GPIO_PIN;
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FL_GPIO_Init(BS83B12_SDA_GPIO_GROUP, &GPIO_InitStruct);
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// 开启流量计背光灯
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uint8_t config_backlight_on[2] = {BS83B12_BACK_LIGHT_ON_BYTE0, BS83B12_BACK_LIGHT_ON_BYTE1};
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bs83b12_write_byte(config_backlight_on, 2); // 开启流量计背光
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}
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// 处理按键事件
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static void process_121_event()
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{
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MsgQueueItem stm_item;
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MsgQueueItem queue_item;
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// 下发校准数据存储消息
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queue_item.type = MSG_TYPE_CARLIB_SAVE;
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if(xOxygenEventGroupCheckBit(&global_event, EVENT_KEY121_PRESS))
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{
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// 若发生121按键事件，存储当前数据到EEPROM
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peek_queue_node_by_type(&global_queue, MSG_TYPE_OXG_STM, &stm_item);
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queue_item.data.carlib_data.netcode = stm_item.data.state_machine.data;
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modify_or_add_queue_node_by_type(&global_queue, MSG_TYPE_CARLIB_SAVE, queue_item); // 存储当前值
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vOxygenEventGroupClearBits(&global_event, EVENT_KEY121_PRESS);
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}
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}
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/**
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* @brief BS83B12触摸按键读取任务函数
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* @param NONE
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* @retval NONE
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* @note 1. 读取触摸数据并校验有效性；
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* 2. 检测KEY2单次按下事件并置位对应事件标志；
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* 3. 检测KEY1→KEY2→KEY1组合按键（带超时重置机制），完成后置位KEY121事件标志；
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* 4. 需在循环中调用，超时时间由KEY121_TIMEOUT_TICKS定义
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* @author jarvis
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* @date 2025.12.05
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*/
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void bs83b12_touch_read_task(void)
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{
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static uint8_t s_key121_step = 0; // 1-2-1切换步骤：0-初始，1-已按key1，2-已按key2
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static uint16_t s_key121_timeout_cnt = 0;
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static uint8_t key2_filter_cnt = 0;
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static uint8_t key2_trigger_lock = 0; // 按键触发锁：1=已触发，0=未触发
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uint8_t read_touch[3] = {0};
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uint8_t curr_key = BS83B12_KEY_NONE;
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MsgQueueItem stm_item;
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MsgQueueItem time_item;
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peek_queue_node_by_type(&global_queue, MSG_TYPE_OXG_STM, &stm_item); // 获取当前状态机信息
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bs83b12_read_byte(read_touch);
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if(((~(read_touch[0]+read_touch[1]) + 1)&0xFF) == read_touch[2]) // 判定是否为有效按键
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{
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curr_key = read_touch[0];
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}else
|
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{
|
||
return;
|
||
}
|
||
|
||
|
||
if(((s_key121_step == 0)&&(curr_key == BS83B12_KEY2_CODE))&&\
|
||
((stm_item.data.state_machine.oxg_stm == STM_ERROR_SHOUNTDOWN)||(stm_item.data.state_machine.oxg_stm == STM_ERROR_NONE_STOP)))
|
||
{
|
||
key2_filter_cnt++;
|
||
if (key2_filter_cnt >= 1 && key2_trigger_lock == 0)
|
||
{
|
||
vOxygenEventGroupSetBits(&global_event, EVENT_KEY2_PRESS); // 标记当前发生了按下按键2的事件
|
||
key2_trigger_lock = 1; // 上锁
|
||
}
|
||
}else{
|
||
|
||
key2_trigger_lock = 0; // 按键滤波锁清空
|
||
key2_filter_cnt = 0;
|
||
}
|
||
|
||
|
||
|
||
// 检测key1→key2→key1切换（带超时重置）
|
||
switch(s_key121_step)
|
||
{
|
||
case 0: // 初始状态：等待按下key1
|
||
// 超时计数器清零（空闲状态无需计时）
|
||
s_key121_timeout_cnt = 0;
|
||
if(curr_key == BS83B12_KEY1_CODE)
|
||
{
|
||
s_key121_step = 1; // 已按key1
|
||
}
|
||
break;
|
||
|
||
case 1: // 已按key1：等待按下key2
|
||
// 超时检查
|
||
if(++s_key121_timeout_cnt >= KEY121_TIMEOUT_TICKS)
|
||
{
|
||
s_key121_step = 0; // 超时重置步骤
|
||
s_key121_timeout_cnt = 0; // 清零计数器
|
||
break;
|
||
}
|
||
// 状态迁移
|
||
if(curr_key == BS83B12_KEY2_CODE)
|
||
{
|
||
s_key121_step = 2; // 进入步骤2：已按key2
|
||
s_key121_timeout_cnt = 0; // 重置超时计数器
|
||
}
|
||
|
||
break;
|
||
|
||
case 2: // 已按key2：等待按下key1（完成1-2-1）
|
||
// 超时检查
|
||
if(++s_key121_timeout_cnt >= KEY121_TIMEOUT_TICKS)
|
||
{
|
||
s_key121_step = 0; // 超时重置步骤
|
||
s_key121_timeout_cnt = 0; // 清零计数器
|
||
break;
|
||
}
|
||
// 状态迁移
|
||
if(curr_key == BS83B12_KEY1_CODE)
|
||
{
|
||
s_key121_step = 0; // 重置步骤
|
||
s_key121_timeout_cnt = 0; // 清零计数器
|
||
|
||
if(stm_item.data.state_machine.oxg_stm == STM_CARLIB) // 只有在标定模式下 121事件才有效
|
||
{
|
||
vOxygenEventGroupSetBits(&global_event, EVENT_KEY121_PRESS); // 标记当前发生了按下按键121的事件
|
||
}
|
||
|
||
}
|
||
break;
|
||
|
||
default:
|
||
s_key121_step = 0;
|
||
s_key121_timeout_cnt = 0;
|
||
break;
|
||
}
|
||
|
||
switch(stm_item.data.state_machine.oxg_stm)
|
||
{
|
||
|
||
case STM_INIT:
|
||
if(peek_queue_node_by_type(&global_queue, MSG_TYPE_CURRENT_TIME, &time_item))
|
||
{
|
||
|
||
// 此部分代码放到了it文件中进行了实现
|
||
}
|
||
break;
|
||
|
||
case STM_ERROR_NONE_STOP: // 故障到停机状态时
|
||
|
||
ALARM_YELLOW_ON;
|
||
if(xOxygenEventGroupCheckAnyBits(&global_event, EVENT_O2_835_LOW | EVENT_E7_220V_LOW))
|
||
{
|
||
if(xOxygenEventGroupCheckBit(&global_event, EVENT_KEY2_PRESS)) // 若此时发生了按键标记
|
||
{
|
||
|
||
if(xOxygenEventGroupCheckBit(&global_event, EVENT_BEEP_MUTE))
|
||
{
|
||
vOxygenEventGroupClearBits(&global_event, EVENT_BEEP_MUTE);
|
||
}else{
|
||
vOxygenEventGroupSetBits(&global_event, EVENT_BEEP_MUTE); // 标记报警器静音
|
||
}
|
||
|
||
vOxygenEventGroupClearBits(&global_event, EVENT_KEY2_PRESS); // 清除按键2事件
|
||
}
|
||
}
|
||
|
||
|
||
break;
|
||
case STM_ERROR_SHOUNTDOWN: // 发生E7故障 显示E7但是不停机
|
||
ALARM_YELLOW_ON;
|
||
|
||
if(xOxygenEventGroupCheckBit(&global_event, EVENT_KEY2_PRESS)) // 若此时发生了按键标记
|
||
{
|
||
|
||
if(xOxygenEventGroupCheckBit(&global_event, EVENT_BEEP_MUTE))
|
||
{
|
||
vOxygenEventGroupClearBits(&global_event, EVENT_BEEP_MUTE);
|
||
}else{
|
||
vOxygenEventGroupSetBits(&global_event, EVENT_BEEP_MUTE); // 标记报警器静音
|
||
}
|
||
|
||
vOxygenEventGroupClearBits(&global_event, EVENT_KEY2_PRESS); // 清除按键2事件
|
||
}
|
||
break;
|
||
|
||
case STM_CARLIB: // 若当前为校准状态
|
||
ALARM_YELLOW_OFF;
|
||
|
||
vOxygenEventGroupClearBits(&global_event, EVENT_KEY2_PRESS); // 清除按键2事件
|
||
|
||
// 若当前发生121事件则将边界值写入对应边界
|
||
process_121_event();
|
||
break;
|
||
|
||
case STM_NOM:
|
||
vOxygenEventGroupClearBits(&global_event, EVENT_KEY2_PRESS); // 清除按键2事件
|
||
break;
|
||
|
||
default:
|
||
ALARM_YELLOW_OFF;
|
||
|
||
break;
|
||
|
||
}
|
||
|
||
|
||
}
|
||
|
||
/************************ (C) COPYRIGHT Yuwell *****END OF FILE****/
|