9 changed files with 881 additions and 754 deletions
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82APP/current_through_mos_capturer.c
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97APP/main.c
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44APP/pwm.c
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2APP/pwm.h
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3README.md
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1177project_ozone/Listings/project_o.map
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180project_ozone/project_o.uvgui.zel
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45project_ozone/project_o.uvopt
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5project_ozone/project_o.uvproj
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#include "port.h" |
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#include "systick.h" |
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static ADC_InitStruType x; |
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static GPIO_InitSettingType y; |
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static bool adccapture_error = false; |
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static uint16_t prv_adc_get_value() { |
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ErrorStatus status = ADC_SoftStart(); |
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adccapture_error = false; |
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if (status != SUCCESS) { |
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adccapture_error = true; |
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return 0; |
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} |
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uint32_t inticket = get_sys_ticket(); |
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while (ADC_GetConvStatus() != RESET) { |
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if (port_haspassedms(inticket) > 10) { |
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adccapture_error = true; |
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return 0; |
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} |
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} |
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uint16_t adcv = ADC_GetConvValue(); |
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ADC_SoftStop(); |
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return adcv ; |
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} |
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static void prv_adc_pb9_init() { |
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y.Signal = GPIO_Pin_Signal_Analog; //模拟 |
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y.Dir = GPIO_Direction_Input; //输入 |
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y.Func = GPIO_Reuse_Func0; |
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// x.CHS设置adc采集的通道每个引脚对应一个通道 |
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GPIO_Init(GPIO_Pin_B9, &y); |
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//经过分频以后Tadclk=1/(PCLK/32) |
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x.CLKS = ADC_CLKS_PCLK; |
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x.CLKDIV = ADC_CLKDIV_1_32; /* ADC时钟源预分频 */ |
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//采集到的模拟量*3.3/4096=现在的电压 |
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x.VREF_SEL = ADC_VREF_SEL_0; /* 内部参考电压2.048v,仅设置内部参考电压为多少 */ |
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x.VREFP = ADC_VREFP_VDD; /* 选择芯片的工作电压VDD,这个是设置adc具体是要哪个电压来做参考adc的参考电压为多少 */ |
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x.VREFN = ADC_VREFN_VSS; /* 负向参考电压选择 */ |
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x.CHS = ADC_CHS_AIN4; |
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// x.CHS = ADC_CHS_AIN8; |
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x.SMPS = ADC_SMPS_SOFT; /* AD采样模式为软件控制 */ |
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//采样时间st*2+1(个Tadclk)=1.743us |
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x.ST = 0; /* AD硬件采样时间选择 */ |
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x.BITSEL = ADC_BITSEL_8; /* AD分辨率12位 */ |
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ADC_Init(&x); |
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prv_adc_get_value(); |
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} |
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extern uint32_t getCNT(); |
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extern uint32_t getTOP(); |
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uint16_t capture(int timeoff) { |
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static bool inited = false; |
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if (inited == false) { |
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prv_adc_pb9_init(); |
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inited = true; |
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} |
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uint16_t expectCNTBegin = getTOP() / 100.0 * timeoff; |
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uint16_t expectCNTEnd = getTOP() / 100.0 * (timeoff + 1); |
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// printf("%d %d , %d\n", timeoff, expectCNTBegin, expectCNTEnd); |
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int icount = 0; |
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while (true) { |
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volatile uint16_t countnow = T16Nx_GetCNT1(T16N0); |
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// printf("%d\n",countnow); |
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for (size_t i = 0; i < icount % 10; i++) { |
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} |
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icount++; |
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if (countnow >= expectCNTBegin && countnow < expectCNTEnd) { |
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break; |
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} |
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} |
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uint16_t v = prv_adc_get_value(); |
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return v; |
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} |
1177
project_ozone/Listings/project_o.map
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180
project_ozone/project_o.uvgui.zel
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