大家好: 我在调试32的ADC时,进入ADC_Cmd就死机,JTAG断线,找不到CPU,重启板子电源也不行,必须要用ISP模式启动,JTAG才找得到CPU,探险FLASH后,再从正常模式下启动才能找得到CPU。软件是V2.0.3版本,请教,谢谢, 72Mhz系统频率,PA口和ADC1的时钟以开。 ... RCC_HCLKConfig (RCC_SYSCLK_Div1); /* HCLK = SYSCLK */ RCC_PCLK2Config (RCC_HCLK_Div1); /* PCLK2 = HCLK */ RCC_PCLK1Config (RCC_HCLK_Div2); /* PCLK1 = HCLK/2 */ RCC_ADCCLKConfig (RCC_PCLK2_Div6); /* ADCCLK = PCLK2/6 */ /* PLLCLK = 8MHz * 9 = 72 MHz */ RCC_PLLConfig (RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);//9 RCC_PLLCmd (ENABLE); /* Enable PLL */ ... RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOF | RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOG | RCC_APB2Periph_AFIO | RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2 | RCC_APB2Periph_SPI1,ENABLE); //RCC_APB2Periph_GPIO_CS| /* Enable PWR and BKP clock */ ADC初使化程序如下: void AdcApp_Init(void) { ADC_InitTypeDef ADC_InitStructure; GPIO_Init(ADC_PORT, (GPIO_InitTypeDef*)(&AdcPort)); ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; ADC_InitStructure.ADC_ScanConvMode = ENABLE;//DISABLE; // ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //DISABLE ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//ADC_ExternalTrigConv_Ext_IT11 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; ADC_InitStructure.ADC_NbrOfChannel = 1; ADC_DeInit(ADC1); ADC_Init(ADC1, &ADC_InitStructure); ADC_ITConfig(ADC1,ADC_IT_EOC|ADC_IT_AWD|ADC_IT_JEOC,DISABLE); ADC_RegularChannelConfig(ADC1,ADC_Channel_1,1,ADC_SampleTime_55Cycles5); // ADC_SampleTime_28Cycles5 ADC_Cmd(ADC1, ENABLE); ADC_SoftwareStartConvCmd(ADC1, ENABLE); } |
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