怎样将STM32F405的程序直接烧写到GD32F405中去呢

2556 STM32F405 gd32f405

问答对人有帮助，内容完整，我也想知道答案0 怎样将 STM32F405的程序直接烧写到GD32F405中去呢？怎样去解决 GD32F405VG调试过程关于DAC/DMA/tiMER的问题呢？ 0
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答案对人有帮助，有参考价值0 GD32F405VG 调试过程关于DAC/DMA/TIMER等问题的解决 GD32F405与STM32F405外设完全兼容，外设的地址映射也是完全兼容。ST的标准库中的名字与GD32的外设名字不一致，比如STM32中的TIMER1的地址映射，对应的是GD32的TIMER0，STM32的DAC1对应GD32的DAC0，等等诸如此类。 STM32F405的程序直接烧写到GD32F405中，程序能够运行但部分功能异常，在STM32F405中使用TIMER6触发DAC1转换，使用DAC1的数字量通过DMA传输，程序一切正常，但是GD32运行此程序，DAC无波形产生，DAC的DMA全传输完成中断无法进入，最后发现问题所在： STM32中配置的TIMER6对应GD32的TIMER5（暂时还是称作TIMER6），但是TIMER6始终无法触发DAC产生波形，开启TIMER6的更新中断，DEBUG模式，程序可以进入TIMER6的更新中断，DAC依然没有模拟量输出，最后抱着试一试的心态使用TIMER5触发DAC，DAC波形出现，但是DMA依然无法正常运行，刚开始认为是硬件配置有问题，最后发现是初始化顺序有问题，DAC_OUT_INIT();后面增添了一段是DAC缓慢输出到所需电压的一段代码，没有此代码时，DMA运行正常，加上此代码段后，DMA不运行，原来是DAC外设初始化后紧接着初始化了DAC的DMA功能，最后使能了DAC输出以及DAC_DMACmd(DAC_Channel_1, ENABLE)就是这一句DAC_DMACmd(DAC_Channel_1, ENABLE)使能早了，如果没有Init_Laser()这一句，使能后没有问题，有了Init_Laser()这一句，DAC的DMA功能使能了但是DMA相应的通道没有使能，使程序异常。运行不正常的代码如下： //DAC初始化配置 void DAC_OUT_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; DAC_InitTypeDef DAC_InitStructure; DMA_InitTypeDef DMA_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE); RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 \| GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; GPIO_Init(GPIOA, &GPIO_InitStructure); /DAC1 is used to generate sweep signal / DAC_InitStructure.DAC_Trigger = DAC_Trigger_T5_TRGO; DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None; DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable; DAC_Init(DAC_Channel_1, &DAC_InitStructure); // /DAC2 is used to set laser temperature/ DAC_InitStructure.DAC_Trigger = DAC_Trigger_None; DAC_Init(DAC_Channel_2, &DAC_InitStructure); /* Time base configuration / TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); TIM_TimeBaseStructure.TIM_Period = 2000-1; // 1ms500点 TIM_TimeBaseStructure.TIM_Prescaler = 42-1; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM5, &TIM_TimeBaseStructure); /* TIM6 TRGO selection / TIM_SelectOutputTrigger(TIM5, TIM_TRGOSource_Update); // /TIM6 IT_Update / // TIM_ITConfig(TIM6, TIM_IT_Update, ENABLE); / TIM6 enable counter / TIM_Cmd(TIM5, ENABLE); / DMA1_Stream5 channel7 configuration DAC1 DMA request/ DMA_DeInit(DMA1_Stream5); DMA_InitStructure.DMA_Channel = DMA_Channel_7; DMA_InitStructure.DMA_PeripheralBaseAddr = DAC_ADDRESS; DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&DAC_DataTable; DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral; DMA_InitStructure.DMA_BufferSize = DAC_DATA_SIZE; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; DMA_InitStructure.DMA_Priority = DMA_Priority_High; DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_Init(DMA1_Stream5, &DMA_InitStructure); / Enable the DMA Stream5 IRQ Channel / NVIC_InitStructure.NVIC_IRQChannel = DMA1_Stream5_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); //DMA_ITConfig(DMA1_Stream5, DMA_IT_TC\|DMA_IT_HT, ENABLE);//传输完成和半传输完成中断 DMA_ITConfig(DMA1_Stream5, DMA_IT_TC, ENABLE);//传输完成和半传输完成中断 DAC_Cmd(DAC_Channel_1,ENABLE); DAC_Cmd(DAC_Channel_2,ENABLE); DAC_DMACmd(DAC_Channel_1, ENABLE); } //主函数中调用 DAC_OUT_Init();//***********************DAC初始化配置 Init_Laser();//****************************初始化激光器，使电流缓慢上升 DMA_Cmd(DMA1_Stream5, ENABLE);//********DMA通道使能，输出扫描信号波形: 当更换了TIMER以后，DAC工作正常，DMA工作不正常，最后根据实验现象发现是初始化顺序出现了问题，将AC_DMACmd(DAC_Channel_1, ENABLE); 从DAC_OUT_Init();中拿出来，放在Init_Laser();之后，程序运行正常，也就是，DAC初始化完之后没有立马使用DMA传输的话，不要使能DMA传输功能，放在最后使能。能正常运行的代码如下： //DAC初始化配置函数 void DAC_OUT_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; DAC_InitTypeDef DAC_InitStructure; DMA_InitTypeDef DMA_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; NVIC_InitTypeDef NVIC_InitStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE); RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 \| GPIO_Pin_5; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; GPIO_Init(GPIOA, &GPIO_InitStructure); /DAC1 is used to generate sweep signal / DAC_InitStructure.DAC_Trigger = DAC_Trigger_T5_TRGO; DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None; DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable; DAC_Init(DAC_Channel_1, &DAC_InitStructure); // /DAC2 is used to set laser temperature/ DAC_InitStructure.DAC_Trigger = DAC_Trigger_None; DAC_Init(DAC_Channel_2, &DAC_InitStructure); / Time base configuration / TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); TIM_TimeBaseStructure.TIM_Period = 2000-1; // 1ms500点 TIM_TimeBaseStructure.TIM_Prescaler = 42-1; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM5, &TIM_TimeBaseStructure); /* TIM6 TRGO selection / TIM_SelectOutputTrigger(TIM5, TIM_TRGOSource_Update); // /TIM6 IT_Update / // TIM_ITConfig(TIM6, TIM_IT_Update, ENABLE); / TIM6 enable counter / TIM_Cmd(TIM5, ENABLE); / DMA1_Stream5 channel7 configuration DAC1 DMA request/ DMA_DeInit(DMA1_Stream5); DMA_InitStructure.DMA_Channel = DMA_Channel_7; DMA_InitStructure.DMA_PeripheralBaseAddr = DAC_ADDRESS; DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&DAC_DataTable; DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral; DMA_InitStructure.DMA_BufferSize = DAC_DATA_SIZE; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; DMA_InitStructure.DMA_Priority = DMA_Priority_High; DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable; DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull; DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single; DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single; DMA_Init(DMA1_Stream5, &DMA_InitStructure); / Enable the DMA Stream5 IRQ Channel / NVIC_InitStructure.NVIC_IRQChannel = DMA1_Stream5_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); //DMA_ITConfig(DMA1_Stream5, DMA_IT_TC\|DMA_IT_HT, ENABLE);//传输完成和半传输完成中断 DMA_ITConfig(DMA1_Stream5, DMA_IT_TC, ENABLE);//传输完成和半传输完成中断 DAC_Cmd(DAC_Channel_1,ENABLE); DAC_Cmd(DAC_Channel_2,ENABLE); // DAC_DMACmd(DAC_Channel_1, ENABLE); } //主函数中调用 DAC_OUT_Init();//***********************DAC初始化配置 Init_Laser();//************************初始化激光器，使电流缓慢上升 DAC_DMACmd(DAC_Channel_1, ENABLE); //2021-6-5从 DAC_OUT_Init() 函数中提取出来，放在此处，程序运行正常 DMA_Cmd(DMA1_Stream5, ENABLE);//*********DMA通道使能，输出扫描信号波形

2022-1-27 13:37:43 评论举报崔映芬