【MXCHIP Open1081】AD、wifi和lab

ljj3166

【MXCHIP Open1081】AD、wifi和lab [复制链接]

今天又看了看wifi相关的一些资料乱人眼啊
决定给前段时间的结果上添加的东东
正好手上有个NTC的模块，使使AD吧
顺道爬墙出去找了一些labview的控件

关于AD的使用，MXCHIP使用的STM32库似乎比较旧
这里使用ADC1的通道1，对应GPIO_PA1

1. void ADC1_CH1_DMA_Config(void)
   
2. {
   
3.   ADC_InitTypeDef       ADC_InitStructure;
   
4.   ADC_CommonInitTypeDef ADC_CommonInitStructure;
   
5.   DMA_InitTypeDef       DMA_InitStructure;
   
6.   GPIO_InitTypeDef      GPIO_InitStructure;
   
7. 
   
8.   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOA, ENABLE);
   
9.   RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
   
10. 
    
11. //  DMA_DeInit(DMA2_Stream0);
    
12.   /* DMA2 Stream0 channe0 configuration **************************************/
    
13.   DMA_InitStructure.DMA_Channel = DMA_Channel_0;  
    
14.   DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
    
15.   DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC_ConvertedValue;
    
16.   DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
    
17.   DMA_InitStructure.DMA_BufferSize = 2;
    
18.   DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    
19.   DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
    
20.   DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    
21.   DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    
22.   DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    
23.   DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    
24.   DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;         
    
25.   DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
    
26.   DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
    
27.   DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
    
28.   DMA_Init(DMA2_Stream0, &DMA_InitStructure);
    
29.   DMA_Cmd(DMA2_Stream0, ENABLE);
    
30. 
    
31.   /* Configure ADC1 Channe6 pin as analog input ******************************/
    
32.   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
    
33.   GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
    
34.   GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
    
35.   GPIO_Init(GPIOA, &GPIO_InitStructure);
    
36. 
    
37.   /* ADC Common Init **********************************************************/
    
38.   ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
    
39.   ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
    
40.   ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
    
41.   ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
    
42.   ADC_CommonInit(&ADC_CommonInitStructure);
    
43. 
    
44.   /* ADC1 Init ****************************************************************/
    
45.   ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
    
46.   ADC_InitStructure.ADC_ScanConvMode = ENABLE;
    
47.   ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    
48.   ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
    
49.   ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    
50.   ADC_InitStructure.ADC_NbrOfConversion = 2;
    
51.   ADC_Init(ADC1, &ADC_InitStructure);
    
52. 
    
53.   /* ADC1 regular channe6 configuration *************************************/
    
54.   ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_3Cycles);
    
55. //  ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 2, ADC_SampleTime_3Cycles);
    
56. /* Enable DMA request after last transfer (Single-ADC mode) */
    
57.   ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
    
58. 
    
59.   /* Enable ADC1 DMA */
    
60.   ADC_DMACmd(ADC1, ENABLE);
    
61.         
    
62.   /* Enable ADC1 */
    
63.   ADC_Cmd(ADC1, ENABLE);
    
64. 
    
65. }

复制代码

还好一切正常
配置过程和STM32一样，不啰嗦了
结果就出来这个视频了



庆科的WIFI，架构还不是特别明晰
指导文档中只有UDP的代码运行流程，能补充一下TCP/IP的么