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Показаны результаты для тегов ' stm32'.
Найдено: 1 результат
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Есть исходная прошивка устройства, там один канал в ADC_TripleMode_Interl необходимо заменить этот режим на два обычных каналов (медленных). В случай замене адреса #define CDR_ADDRESS ((uint32_t)0x40012308) в результате ничего не выдает. Вот исходник void initialization_ADC(void) { GPIO_InitTypeDef GPIO_InitStructure; ADC_InitTypeDef ADC_InitStructure; ADC_CommonInitTypeDef ADC_CommonInitStructure; DMA_InitTypeDef DMA_InitStructure; ADC_StructInit(&ADC_InitStructure); ADC_CommonStructInit(&ADC_CommonInitStructure); DMA_StructInit(&DMA_InitStructure); /* Configure PB11, PB15 in pushpull mode */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_15; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOB, &GPIO_InitStructure); // ... /* Configure PB1, PB8 in output mode */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_8; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN; GPIO_Init(GPIOB, &GPIO_InitStructure); // .. #ifdef __ILX_751B GPIOB->BSRRH = GPIO_Pin_1; // Set High ROG GPIOB->BSRRH = GPIO_Pin_8; // Set High SHUT #endif #ifdef __ILX_1412S GPIOB->BSRRL = GPIO_Pin_1; // Set Low HOLD GPIOB->BSRRL = GPIO_Pin_8; // Set Low SI1 #endif /******************************************************************************/ /* ADCs interface clock and pin configuration */ /******************************************************************************/ // === DMA ===================================================================== #define CDR_ADDRESS ((uint32_t)0x40012308) /* Enable peripheral clocks */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 | RCC_APB2Periph_ADC3, ENABLE); /* Enable peripheral clocks *************************************************/ RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 , ENABLE); /* Configure ADC Channel N pin as analog input *****************************/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; GPIO_Init(GPIOA, &GPIO_InitStructure); /* DMA2 Stream0 channel0 configuration **************************************/ DMA_InitStructure.DMA_Channel = DMA_Channel_0; DMA_InitStructure.DMA_PeripheralBaseAddr = CDR_ADDRESS; DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&t_data_0.e.data[0]; DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory; DMA_InitStructure.DMA_BufferSize = 0; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh; 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(DMA2_Stream0, &DMA_InitStructure); NVIC_SetPriority(DMA2_Stream0_IRQn, 1); NVIC_EnableIRQ(DMA2_Stream0_IRQn); /* ADC Common configuration *************************************************/ ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles; ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_2; ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8; // ADC_clk = 30 000 000 (Triple sample = 30 000 000 / 5 = 6 000 000 [Hz]) ADC_CommonInit(&ADC_CommonInitStructure); /* ADC1 regular channel N configuration ************************************/ ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b; ADC_InitStructure.ADC_ScanConvMode = DISABLE; ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; #ifdef __ILX_751B ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising; #endif #ifdef __ILX_1412S ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising; #endif ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC2; ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; ADC_InitStructure.ADC_NbrOfConversion = 1; ADC_Init(ADC1, &ADC_InitStructure); /* ADC1 regular channel configuration */ ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_3Cycles); ADC_Init(ADC2, &ADC_InitStructure); /* ADC2 regular channel configuration */ ADC_RegularChannelConfig(ADC2, ADC_Channel_0, 1, ADC_SampleTime_3Cycles); ADC_Init(ADC3, &ADC_InitStructure); /* ADC3 regular channel configuration */ ADC_RegularChannelConfig(ADC3, ADC_Channel_2, 1, ADC_SampleTime_3Cycles); /* Enable ADC1 DMA */ ADC_DMACmd(ADC1, ENABLE); /* Enable DMA request after last transfer (multi-ADC mode) ******************/ ADC_MultiModeDMARequestAfterLastTransferCmd(ENABLE); /* Clear DMA2 Stream 0 flags */ DMA2->LIFCR |= (uint32_t)(DMA_FLAG_HTIF0 | DMA_FLAG_TCIF0); /* Enable DMA Stream Transfer Complete interrupt */ DMA_ITConfig(DMA2_Stream0, DMA_IT_TC, ENABLE); /******************************************************************************/ /* PWM interface clock and pin configuration */ /******************************************************************************/ #define __Timer_F_Freq 6000000 // Hz #define __Period_F_Mid ((SystemCoreClock) / __Timer_F_Freq) // 1 / Hz TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; /* GPIOB Configuration: Channel 2N as alternate function push-pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_PinAFConfig(GPIOB, GPIO_PinSource0, GPIO_AF_TIM1); // TIM1 Configuration ------------------CLK----------------------------------- /* TIM_1clock enable */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE); uint16_t Timer_F_period = __Period_F_Mid & ~0x01; /* Time Base configuration */ TIM_TimeBaseStructure.TIM_Period = Timer_F_period - 1; TIM_TimeBaseStructure.TIM_Prescaler = 0; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); /* Channel 2N Configuration in TIM_OCMode_PWM mode */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; TIM_OCInitStructure.TIM_Pulse = (uint16_t) (Timer_F_period >> 1); TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High; TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset; TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Set; TIM_OC2Init(TIM1, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable); /* TIM1 Main Output Enable */ TIM_CtrlPWMOutputs(TIM1, ENABLE); }