218 lines
8.5 KiB
C
218 lines
8.5 KiB
C
/*********************************************************************************************************************
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* MM32F527X-E9P Opensourec Library 即（MM32F527X-E9P 开源库）是一个基于官方 SDK 接口的第三方开源库
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* Copyright (c) 2022 SEEKFREE 逐飞科技
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*
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* 本文件是 MM32F527X-E9P 开源库的一部分
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*
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* MM32F527X-E9P 开源库 是免费软件
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* 您可以根据自由软件基金会发布的 GPL（GNU General Public License，即 GNU通用公共许可证）的条款
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* 即 GPL 的第3版（即 GPL3.0）或（您选择的）任何后来的版本，重新发布和/或修改它
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*
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* 本开源库的发布是希望它能发挥作用，但并未对其作任何的保证
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* 甚至没有隐含的适销性或适合特定用途的保证
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* 更多细节请参见 GPL
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*
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* 您应该在收到本开源库的同时收到一份 GPL 的副本
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* 如果没有，请参阅<https://www.gnu.org/licenses/>
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*
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* 额外注明：
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* 本开源库使用 GPL3.0 开源许可证协议 以上许可申明为译文版本
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* 许可申明英文版在 libraries/doc 文件夹下的 GPL3_permission_statement.txt 文件中
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* 许可证副本在 libraries 文件夹下 即该文件夹下的 LICENSE 文件
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* 欢迎各位使用并传播本程序 但修改内容时必须保留逐飞科技的版权声明（即本声明）
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*
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* 文件名称 zf_device_dl1b
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* 公司名称 成都逐飞科技有限公司
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* 版本信息 查看 libraries/doc 文件夹内 version 文件 版本说明
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* 开发环境 MounRiver Studio V1.8.1
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* 适用平台 CH32V307VCT6
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* 店铺链接 https://seekfree.taobao.com/
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*
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* 修改记录
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* 日期 作者 备注
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* 2022-08-10 Teternal first version
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********************************************************************************************************************/
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/*********************************************************************************************************************
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* 接线定义：
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* ------------------------------------
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* 模块管脚 单片机管脚
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* SCL 查看 zf_device_dl1b.h 中 DL1B_SCL_PIN 宏定义
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* SDA 查看 zf_device_dl1b.h 中 DL1B_SDA_PIN 宏定义
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* XS 查看 zf_device_dl1b.h 中 DL1B_XS_PIN 宏定义
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* VCC 5V 电源
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* GND 电源地
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* ------------------------------------
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********************************************************************************************************************/
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#include "zf_common_debug.h"
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#include "zf_driver_delay.h"
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#include "zf_driver_exti.h"
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#include "zf_driver_soft_iic.h"
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#include "zf_device_dl1b.h"
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#include "zf_device_config.h"
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#include "zf_device_type.h"
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static uint8 dl1b_init_flag = 0;
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uint8 dl1b_finsh_flag = 0;
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uint16 dl1b_distance_mm = 8192;
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#if DL1B_USE_SOFT_IIC
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static soft_iic_info_struct dl1b_iic_struct;
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#define dl1b_transfer_8bit_array(tdata, tlen, rdata, rlen) (soft_iic_transfer_8bit_array(&dl1b_iic_struct, (tdata), (tlen), (rdata), (rlen)))
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#else
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#define dl1b_transfer_8bit_array(tdata, tlen, rdata, rlen) (iic_transfer_8bit_array(DL1B_IIC, DL1B_DEV_ADDR, (tdata), (tlen), (rdata), (rlen)))
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#endif
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 返回以毫米为单位的范围读数
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// 参数说明 void
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// 返回参数 void
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// 使用示例 dl1b_get_distance();
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// 备注信息 在开始单次射程测量后也调用此函数
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//-------------------------------------------------------------------------------------------------------------------
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void dl1b_get_distance (void)
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{
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if(dl1b_init_flag)
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{
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uint8 data_buffer[3];
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int16 dl1b_distance_temp = 0;
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data_buffer[0] = DL1B_GPIO__TIO_HV_STATUS >> 8;
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data_buffer[1] = DL1B_GPIO__TIO_HV_STATUS & 0xFF;
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dl1b_transfer_8bit_array(data_buffer, 2, &data_buffer[2], 1);
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if(data_buffer[2])
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{
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data_buffer[0] = DL1B_SYSTEM__INTERRUPT_CLEAR >> 8;
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data_buffer[1] = DL1B_SYSTEM__INTERRUPT_CLEAR & 0xFF;
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data_buffer[2] = 0x01;
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dl1b_transfer_8bit_array(data_buffer, 3, data_buffer, 0);// clear Interrupt
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data_buffer[0] = DL1B_RESULT__RANGE_STATUS >> 8;
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data_buffer[1] = DL1B_RESULT__RANGE_STATUS & 0xFF;
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dl1b_transfer_8bit_array(data_buffer, 2, &data_buffer[2], 1);
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if(0x89 == data_buffer[2])
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{
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data_buffer[0] = DL1B_RESULT__FINAL_CROSSTALK_CORRECTED_RANGE_MM_SD0 >> 8;
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data_buffer[1] = DL1B_RESULT__FINAL_CROSSTALK_CORRECTED_RANGE_MM_SD0 & 0xFF;
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dl1b_transfer_8bit_array(data_buffer, 2, data_buffer, 2);
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dl1b_distance_temp = data_buffer[0];
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dl1b_distance_temp = (dl1b_distance_temp << 8) | data_buffer[1];
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if(dl1b_distance_temp > 4000 || dl1b_distance_temp < 0)
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{
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dl1b_distance_mm = 8192;
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dl1b_finsh_flag = 0;
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}
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else
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{
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dl1b_distance_mm = dl1b_distance_temp;
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dl1b_finsh_flag = 1;
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}
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}
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else
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{
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dl1b_distance_mm = 8192;
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dl1b_finsh_flag = 0;
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}
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}
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else
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{
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dl1b_distance_mm = 8192;
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dl1b_finsh_flag = 0;
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}
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}
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 DL1B INT 中断响应处理函数
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// 参数说明 void
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// 返回参数 void
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// 使用示例 dl1b_int_handler();
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// 备注信息 本函数需要在 DL1B_INT_PIN 对应的外部中断处理函数中调用
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//-------------------------------------------------------------------------------------------------------------------
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void dl1b_int_handler (void)
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{
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#if DL1B_INT_ENABLE
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dl1b_get_distance();
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#endif
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 初始化 DL1B
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// 参数说明 void
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// 返回参数 uint8 1-初始化失败 0-初始化成功
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// 使用示例 dl1b_init();
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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uint8 dl1b_init (void)
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{
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uint8 return_state = 0;
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uint8 data_buffer[2 + sizeof(dl1b_config_file)];
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uint16 time_out_count = 0;
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#if DL1B_USE_SOFT_IIC
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soft_iic_init(&dl1b_iic_struct, DL1B_DEV_ADDR, DL1B_SOFT_IIC_DELAY, DL1B_SCL_PIN, DL1B_SDA_PIN);
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#else
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iic_init(DL1B_IIC, DL1B_DEV_ADDR, DL1B_IIC_SPEED, DL1B_SCL_PIN, DL1B_SDA_PIN);
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#endif
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gpio_init(DL1B_XS_PIN, GPO, GPIO_HIGH, GPO_PUSH_PULL);
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do
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{
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system_delay_ms(50);
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gpio_low(DL1B_XS_PIN);
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system_delay_ms(10);
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gpio_high(DL1B_XS_PIN);
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system_delay_ms(50);
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data_buffer[0] = DL1B_FIRMWARE__SYSTEM_STATUS >> 8;
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data_buffer[1] = DL1B_FIRMWARE__SYSTEM_STATUS & 0xFF;
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dl1b_transfer_8bit_array(data_buffer, 2, &data_buffer[2], 1);
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return_state = (0x01 == (data_buffer[2] & 0x01)) ? (0) : (1);
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if(1 == return_state)
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{
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break;
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}
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data_buffer[0] = DL1B_I2C_SLAVE__DEVICE_ADDRESS >> 8;
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data_buffer[1] = DL1B_I2C_SLAVE__DEVICE_ADDRESS & 0xFF;
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memcpy(&data_buffer[2], (uint8 *)dl1b_config_file, sizeof(dl1b_config_file));
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dl1b_transfer_8bit_array(data_buffer, 2 + sizeof(dl1b_config_file), data_buffer, 0);
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while(1)
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{
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data_buffer[0] = DL1B_GPIO__TIO_HV_STATUS >> 8;
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data_buffer[1] = DL1B_GPIO__TIO_HV_STATUS & 0xFF;
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dl1b_transfer_8bit_array(data_buffer, 2, &data_buffer[2], 1);
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if(0x00 == (data_buffer[2] & 0x01))
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{
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time_out_count = 0;
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break;
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}
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if(DL1B_TIMEOUT_COUNT < time_out_count ++)
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{
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return_state = 1;
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break;
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}
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system_delay_ms(1);
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}
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dl1b_init_flag = 1;
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#if DL1B_INT_ENABLE
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exti_init(DL1B_INT_PIN, EXTI_TRIGGER_FALLING);
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dl1b_int_handler();
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dl1b_finsh_flag = 0;
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#endif
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set_tof_type(TOF_DL1B, dl1b_int_handler);
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}while(0);
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return return_state;
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}
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