472 lines
14 KiB
C
472 lines
14 KiB
C
#include "MAIN.H"
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//can消息
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UnInfCan UnInfCan_1 = {0};
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UnSwSample UnSwSample_1 = {0};
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UnSwOut UnSwOut_1 = {0};
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UnRemoteControlOutput UnRemoteControlOutput_1 = {0,0,0,0,0,0,0,0};//遥控器数据发送
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UnRemoteControlOutput UnRemoteControlOutput_2 = {0,0,0,0,0,0,0,0};//遥控器数据发送
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SBusData sbus_data;
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//CAN发送计数
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uword CntCan_1 = 0;
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bit FlgCan_1 = 0;
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//第一次采集数据有效标志
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bit FlgOneTime = 0;
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ubyte uart2RxFlag = 0;
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uword RgCanPerid = 50;
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ubyte can_error_cnt = 0;
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ubyte can_error_flg = 0;
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ubyte RestartDataFlg1 _at_ 0xF5E7;
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ubyte RestartDataFlg2 _at_ 0xF600;
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//PWM 20181227
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ubyte PwmH[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
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//-----------------------------------------------------------------------
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//RTC定时器
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//-----------------------------------------------------------------------
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void RTCProcess(void)
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{
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//************************************************************************
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//////CAN发送计数
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if(FlgCan_1){CntCan_1++;if(CntCan_1 >= RgCanPerid){FlgCan_1=0; CntCan_1=0;}}else{CntCan_1=0;}
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//************************************************************************
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}
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// SBus 数据解析函数
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SBusData* parseSBusData(const uint8_t *input_data)
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{
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// 解析16个通道的数据，每个通道为11位
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sbus_data.channels[0] = (input_data[1] | input_data[2] << 8) & 0x07FF;
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sbus_data.channels[1] = (input_data[2] >> 3 | input_data[3] << 5) & 0x07FF;
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sbus_data.channels[2] = (input_data[3] >> 6 | input_data[4] << 2 | input_data[5] << 10) & 0x07FF;
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sbus_data.channels[3] = (input_data[5] >> 1 | input_data[6] << 7) & 0x07FF;
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sbus_data.channels[4] = (input_data[6] >> 4 | input_data[7] << 4) & 0x07FF;
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sbus_data.channels[5] = (input_data[7] >> 7 | input_data[8] << 1 | input_data[9] << 9) & 0x07FF;
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sbus_data.channels[6] = (input_data[9] >> 2 | input_data[10] << 6) & 0x07FF;
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sbus_data.channels[7] = (input_data[10] >> 5 | input_data[11] << 3) & 0x07FF;
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sbus_data.channels[8] = (input_data[12] | input_data[13] << 8) & 0x07FF;
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sbus_data.channels[9] = (input_data[13] >> 3 | input_data[14] << 5) & 0x07FF;
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sbus_data.channels[10] = (input_data[14] >> 6 | input_data[15] << 2 | input_data[15] << 10) & 0x07FF;
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sbus_data.channels[11] = (input_data[16] >> 1 | input_data[17] << 7) & 0x07FF;
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sbus_data.channels[12] = (input_data[17] >> 4 | input_data[18] << 4) & 0x07FF;
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sbus_data.channels[13] = (input_data[18] >> 7 | input_data[19] << 1 | input_data[20] << 9) & 0x07FF;
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sbus_data.channels[14] = (input_data[20] >> 2 | input_data[21] << 6) & 0x07FF;
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sbus_data.channels[15] = (input_data[21] >> 5 | input_data[22] << 3) & 0x07FF;
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// 解析标志字节
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sbus_data.flags = input_data[23];
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uart2RxFlag = 1;
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return &sbus_data;
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}
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//can错误处理
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void CanErrorProcess(void)
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{
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ubyte ubNSRL;
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ubyte ubNSRH;
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ubyte ubResetLEC = 0x3F;
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//-------------------------------------------
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EA = 0;
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CAN_pushAMRegs(); // push the CAN Access Mediator Registers
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SFR_PAGE(_su0, SST0); // switch to page 0
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CAN_vWriteCANAddress(CAN_NSR0);
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CAN_vReadEN();
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ubNSRL = CAN_DATA0;
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ubNSRH = CAN_DATA1;
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if (ubNSRL & 0x20) // if ALERT
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{
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CAN_vInit();
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}
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if (ubNSRL & 0x07) // if LEC
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{
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ubResetLEC = 0x38;
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}
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//// Reset LEC, TXOK, RXOK, ALERT, EWRN, BOFF, LLE, LOE (if set)
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CAN_vWriteCANAddress(CAN_NSR0); // Addressing CAN_NSR0
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CAN_DATA0 = ~(ubNSRL & ubResetLEC); // load CAN_NSR0 status register[7-0]
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CAN_DATA1 = ~(ubNSRH); // load CAN_NSR0 status register[15-8]
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CAN_vWriteEN(D0_VALID+D1_VALID); // Data0 and Data1 are Valid for
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SFR_PAGE(_su0, RST0); // restore the old SCU page
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CAN_popAMRegs(); // restore the CAN Access Mediator Registers
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EA = 1;
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}
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void CanTransmit(ubyte index,ubyte *buf)
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{
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ubyte CanTransmitbuf[8] = {0,0,0,0,0,0,0,0};
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//----------------- --------
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CanTransmitbuf[2] = buf[0];
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CanTransmitbuf[3] = buf[1];
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CanTransmitbuf[0] = buf[2];
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CanTransmitbuf[1] = buf[3];
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CanTransmitbuf[6] = buf[4];
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CanTransmitbuf[7] = buf[5];
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CanTransmitbuf[4] = buf[6];
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CanTransmitbuf[5] = buf[7];
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CAN_waitTransmit(index);//发送前等待上一帧发送完，不然会丢帧
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CAN_vLoadData(index, (ulong *)CanTransmitbuf);// 装载数据
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CAN_vTransmit(index);
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}
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typedef enum {
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STT_INIT_LIGHT, // 进入保持的初始状态
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STT_STABLE, // 稳定态
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STT_BLINK_CHECK, // 闪烁检测
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STT_BLINKING // 闪烁确认
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} BlinkState;
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typedef struct {
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BlinkState current_state;
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uint8_t last_input;
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uint16_t unified_timer; // 统一定时器
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uint8_t trans_count; // 翻转次数需要记录
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uint8_t stable_type;
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} BlinkDetector;
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BlinkDetector blink_detector = {0};
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/* LED状态检测函数（状态机+统一定时器优化版）
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* 参数：
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* ctx - 状态机上下文指针（需保证非空）
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* current_input- 当前输入电平（0:低 1:高）
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* output - 输出状态指示（0:无效 1:稳定高 2:稳定低 3:闪烁）
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* 原理：
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* 1. 统一定时器替代原多计时器
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* 2. 简化状态转移逻辑
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* 3. 状态迁移原子操作
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*/
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void detectLedState(BlinkDetector* ctx, uint8_t current_input, uint8_t* output)
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{
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*output = 0;
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switch(ctx->current_state)
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{
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/* 关键初始状态：确保首次状态正确建立 */
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case STT_INIT_LIGHT:
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{
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ctx->last_input = current_input; // 强制记录初始值
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ctx->stable_type = current_input ? 1 : 2;
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ctx->current_state = STT_STABLE; // 进入稳定状态
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ctx->unified_timer = 0; // 初始化计时器
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*output = 0;
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break;
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}
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case STT_STABLE:
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{
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if(current_input != ctx->last_input)
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{
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ctx->current_state = STT_BLINK_CHECK;
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ctx->trans_count = 1;
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ctx->unified_timer = 0;
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ctx->last_input = current_input;
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ctx->stable_type = current_input ? 1 : 2; // 同步状态变量
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}
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else if(ctx->unified_timer >= STABLE_CONFIRM_TIME)
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{
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*output = ctx->stable_type;
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ctx->unified_timer = 0;
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ctx->stable_type = current_input ? 1 : 2; // 确认状态
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}
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else
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{
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ctx->unified_timer++;
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*output = ctx->stable_type;
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}
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break;
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}
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/* 闪烁状态：时间窗口内统计电平翻转次数 */
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case STT_BLINK_CHECK:
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{
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if(ctx->unified_timer >= BLINK_WINDOW) // 到达检测窗口时间
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{
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if(ctx->trans_count >= MIN_BLINKS) // 达到最小闪烁次数
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{
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ctx->current_state = STT_BLINKING;// 进入闪烁确认状态
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ctx->unified_timer = 0; // 重置超时计时
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}
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else // 未达闪烁阈值
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{
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ctx->current_state = STT_STABLE; // 返回稳定状态
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ctx->unified_timer = 0; // 重置状态计时器
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}
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}
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else // 检测期内
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{
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ctx->unified_timer++; // 统一计时累计
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if(current_input != ctx->last_input)
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{
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ctx->trans_count++; // 翻转次数累计
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ctx->last_input = current_input; // 更新最后检测值
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}
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}
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break;
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}
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/* 闪烁确认状态：维持闪烁活动判断 */
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case STT_BLINKING:
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{
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// 检测电平变化计数
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if(current_input != ctx->last_input)
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{
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ctx->unified_timer = 0; // 重置超时计时
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ctx->last_input = current_input;
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*output = 3; // 输出当前闪烁状态
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}
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else if(ctx->unified_timer >= BLINK_TIMEOUT)
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{
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ctx->current_state = STT_STABLE;
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ctx->stable_type = current_input ? 1 : 2; // 更新当前稳定状态变量
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ctx->unified_timer = 0;
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}
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else
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{
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ctx->unified_timer ++; // 维持当前稳定时间累计计时
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*output = 3; // 输出当前闪烁状态
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}
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break;
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}
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default:break;
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}
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}
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//SBUS转CAN数据解析
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void sbusCanDecode(void)
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{
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float SBUS2CANdecodeTemp = 0.0;
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//----------------------------------------------
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if(uart2RxFlag == 1)
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{
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uart2RxFlag = 0;
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//通道0 - 直接发送原始值
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DF_Curvature = (int16_t)sbus_data.channels[0];
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//通道1 - 直接发送原始值
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DF_Speed = (int16_t)sbus_data.channels[1];
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//通道7 - 直接发送原始值
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DF_Reserve = (int16_t)sbus_data.channels[7];
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//SwA
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if(sbus_data.channels[1] >= 1700)//高位
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{
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DF_SwA = 1;
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}
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else
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{
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DF_SwA = 0;
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}
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//SwB
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if(sbus_data.channels[6] >= 1700)//第三档
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{
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DF_SwB = 2;
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}
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else if(sbus_data.channels[6] <= 250)//第二档
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{
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DF_SwB = 0;
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}
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else//第一档
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{
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DF_SwB = 1;
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}
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//SwC
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if(sbus_data.channels[4] >= 1700)//第三档
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{
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DF_SwC = 2;
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}
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else if(sbus_data.channels[4] <= 250)//第二档
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{
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DF_SwC = 0;
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}
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else//第一档
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{
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DF_SwC = 1;
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}
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//SwD
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if(sbus_data.channels[5] >= 1700)//高位
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{
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DF_SwD = 1;
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}
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else
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{
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DF_SwD = 0;
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}
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if(0 == sbus_data.flags)//23通道状态 为0标志位表示遥控器
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{
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DF_RCHSta = 1;//遥控器在线
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}
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else
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{
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DF_RCHSta = 0;//遥控器离线
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}
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SBUS2CANdecodeTemp = (float)(sbus_data.channels[2]);
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UnRemoteControlOutput_2.bit_data.speed = (int16_t)SBUS2CANdecodeTemp;//数据
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SBUS2CANdecodeTemp = (float)(sbus_data.channels[3]);
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UnRemoteControlOutput_2.bit_data.curvature = (int16_t)SBUS2CANdecodeTemp;//数据
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}
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UnRemoteControlOutput_2.bit_data.switch_a = P1_2;//
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UnRemoteControlOutput_2.bit_data.switch_d = P1_3;//
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}
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//CAN发送接收
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void CanRXTX(void)
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{
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stCAN_SWObj StrCanRx = {0};
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uword tmp = 0;
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ubyte i = 0,j = 0;
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ubyte sbus_temp[2] = {0,0};
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static ubyte match_freq_sta = 0;
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static uword match_freq_cnt = 0;
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static uword match_freq_time = 0;
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//------------------------------------
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if(CAN_ubNewData(DF_SwRx))
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{
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CAN_vGetMsgObj(DF_SwRx, &StrCanRx);
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UnInfCan_1.ArrData.ArrRX[0][3] = StrCanRx.ulDATAL.ubDB[0];
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UnInfCan_1.ArrData.ArrRX[0][2] = StrCanRx.ulDATAL.ubDB[1];
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UnInfCan_1.ArrData.ArrRX[0][1] = StrCanRx.ulDATAL.ubDB[2];
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UnInfCan_1.ArrData.ArrRX[0][0] = StrCanRx.ulDATAL.ubDB[3];
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UnInfCan_1.ArrData.ArrRX[0][7] = StrCanRx.ulDATAH.ubDB[0];
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UnInfCan_1.ArrData.ArrRX[0][6] = StrCanRx.ulDATAH.ubDB[1];
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UnInfCan_1.ArrData.ArrRX[0][5] = StrCanRx.ulDATAH.ubDB[2];
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UnInfCan_1.ArrData.ArrRX[0][4] = StrCanRx.ulDATAH.ubDB[3];
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CAN_vReleaseObj(DF_SwRx);
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}
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if(CAN_ubNewData(DF_SwRxPwm))
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{
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// CAN_vGetMsgObj(DF_SwRxPwm, &StrCanRx);
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// UnInfCan_1.ArrData.ArrRX[1][2] = StrCanRx.ulDATAL.ubDB[0];
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// UnInfCan_1.ArrData.ArrRX[1][3] = StrCanRx.ulDATAL.ubDB[1];
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// UnInfCan_1.ArrData.ArrRX[1][0] = StrCanRx.ulDATAL.ubDB[2];
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// UnInfCan_1.ArrData.ArrRX[1][1] = StrCanRx.ulDATAL.ubDB[3];
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// UnInfCan_1.ArrData.ArrRX[1][6] = StrCanRx.ulDATAH.ubDB[0];
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// UnInfCan_1.ArrData.ArrRX[1][7] = StrCanRx.ulDATAH.ubDB[1];
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// UnInfCan_1.ArrData.ArrRX[1][4] = StrCanRx.ulDATAH.ubDB[2];
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// UnInfCan_1.ArrData.ArrRX[1][5] = StrCanRx.ulDATAH.ubDB[3];
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// CAN_vReleaseObj(DF_SwRxPwm);
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//// //接收到的数据保存到PWM数据结构体20181227
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//// PwmH[0 ] = (ubyte)UnInfCan_1.BitData.Pwm_01;
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//// PwmH[1 ] = (ubyte)UnInfCan_1.BitData.Pwm_02;
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//// PwmH[2 ] = (ubyte)UnInfCan_1.BitData.Pwm_03;
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//// PwmH[3 ] = (ubyte)UnInfCan_1.BitData.Pwm_04;
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//// PwmH[4 ] = (ubyte)UnInfCan_1.BitData.Pwm_05;
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//// PwmH[5 ] = (ubyte)UnInfCan_1.BitData.Pwm_06;
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//// PwmH[6 ] = (ubyte)UnInfCan_1.BitData.Pwm_07;
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//// PwmH[7 ] = (ubyte)UnInfCan_1.BitData.Pwm_08;
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//// PwmH[8 ] = (ubyte)UnInfCan_1.BitData.Pwm_09;
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//// PwmH[9 ] = (ubyte)UnInfCan_1.BitData.Pwm_10;
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//// PwmH[10] = (ubyte)UnInfCan_1.BitData.Pwm_11;
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//// PwmH[11] = (ubyte)UnInfCan_1.BitData.Pwm_12;
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//// PwmH[12] = (ubyte)UnInfCan_1.BitData.Pwm_13;
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//// PwmH[13] = (ubyte)UnInfCan_1.BitData.Pwm_14;
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//// PwmH[14] = (ubyte)UnInfCan_1.BitData.Pwm_15;
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//// PwmH[15] = (ubyte)UnInfCan_1.BitData.Pwm_16;
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}
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//50ms发送一帧
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if(!FlgCan_1)
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{
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FlgCan_1 = 1;
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sbus_temp[0] = P1_3;
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// sbus_temp[1] = 3;
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detectLedState(&blink_detector, sbus_temp[0], &sbus_temp[1]);
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// UnRemoteControlOutput_2.bit_data.enable = blink_detector.current_state;//
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// UnRemoteControlOutput_2.bit_data.reserve1 = sbus_temp[1];
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if( (MATCH_CMD == UnInfCan_1.ArrData.ArrRX[0][0]) || (CHANGE_CMD == UnInfCan_1.ArrData.ArrRX[0][0]) )//对频命令或切换
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{
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if(MATCH_CMD == UnInfCan_1.ArrData.ArrRX[0][0])//对频
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{
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match_freq_time = MATCH_TIME;
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}
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else
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{
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match_freq_time = CHANGE_TIME;
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}
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switch(match_freq_sta)
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{
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case 0:
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if(match_freq_cnt >= match_freq_time)//时间到了就发送确认
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{
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SwOut01 = 0;//取消对频
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match_freq_sta = 1;
|
||
match_freq_cnt = 0;
|
||
}
|
||
else
|
||
{
|
||
SwOut01 = 1;//对频指令
|
||
match_freq_sta = 0;
|
||
match_freq_cnt ++;
|
||
}
|
||
break;
|
||
|
||
case 1:
|
||
if(match_freq_cnt >= MATCH_WAIT_TIME)//
|
||
{
|
||
SwOut01 = 0;//取消对频
|
||
match_freq_sta = 0;
|
||
match_freq_cnt = 0;
|
||
UnInfCan_1.ArrData.ArrRX[0][0] = 0;
|
||
}
|
||
else
|
||
{
|
||
SwOut01 = 0;//对频指令
|
||
match_freq_sta = 1;
|
||
match_freq_cnt ++;
|
||
}
|
||
break;
|
||
default:;
|
||
}
|
||
}
|
||
|
||
CanTransmit(DF_SwTx,(ubyte *)&UnRemoteControlOutput_1.arr[0]);
|
||
CanTransmit(DF_SwTx1,(ubyte *)&UnRemoteControlOutput_2.arr[0]);
|
||
}
|
||
|
||
if( (0x40 == can_error_cnt) || (0x80 == can_error_cnt) )//20250625判断是否发生总线错误
|
||
{
|
||
can_error_flg = can_error_cnt;
|
||
CAN_vInit();
|
||
can_error_cnt = 0;
|
||
}
|
||
|
||
|
||
|
||
}
|