93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
#include "scan.h"
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#include "bsp_rs2251.h"
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#include "bsp_74hc595.h"
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#include "bsp_adc.h"
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#include "resi_math_lib.h"
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#include "string.h"
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#define ADC_DELAY_TIME (10 * 220) //9 ns * 120
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void Hc4051Delay(uint32_t num)
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{
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while(num --);
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}
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/*
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功能：行列扫描读取数据
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输入：无
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返回：返回32*64的数据
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*/
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void ReadAdcValue(adc_value_frame_struct *adc_raw_value,RESISTACE_NAME resistace_name)
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{
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uint8_t AX_rank[] = {6,4,2,1,0,3,5,7};
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//uint8_t AX_rank[] = {7,5,3,0,1,2,4,6};
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if(resistace_name == RAW_RESISTACE)
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{
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for(uint8_t ax = 0; ax < 8; ++ax)
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{
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Choose_AX_Channel(AX_rank[ax]);
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Hc4051Delay(ADC_DELAY_TIME);
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adc_raw_value->sensorB_raw_value[ax] = GetAdcValue(1);
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if(ax < 4)
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{
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adc_raw_value->sensorB_raw_value[ax + 8] = GetAdcValue(0);
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}
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}
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}
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else
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{
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for(uint8_t ax = 0; ax < 8; ++ax)
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{
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Choose_AX_Channel(AX_rank[ax]);
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Hc4051Delay(ADC_DELAY_TIME);
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adc_raw_value->sensorB_ref_value[ax] = GetAdcValue(1);
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if(ax < 4)
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adc_raw_value->sensorB_ref_value[ax + 8] = GetAdcValue(0);
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}
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}
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}
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void scan_y(adc_value_frame_struct *adc_raw_value,uint8_t count_y)
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{
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static uint8_t AY_rank[] = {7,6,5,4,3,2,1,0,15,14,13,12};//这个改先序需要用到
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static math_resi_cal_t math_resi_cal = {0};
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REF_OUT(1);//低扫
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ic_74hc595_clean_0(16);
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ReadAdcValue(adc_raw_value, REFER_RESISTACE);
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REF_OUT(0);
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ic_74hc595_io_write_1(AY_rank[count_y]);
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ReadAdcValue(adc_raw_value, RAW_RESISTACE);
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math_resi_cal.sensor_adc_value = adc_raw_value->sensorB_raw_value;
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math_resi_cal.resi_adc_value = adc_raw_value->sensorB_ref_value;
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math_resi_cal.math_number = AX_NUM;
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math_resi_cali_once(&math_resi_cal,
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adc_raw_value->sensorB_resi_output,
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AX_NUM,
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SCAN_LOW_LEVEL);
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math_display_resi(adc_raw_value->sensorB_resi_output,
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adc_raw_value->sensorB_display_output,
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AX_NUM,
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RESI_BACKWARDS);
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memcpy(adc_raw_value->sensorB_voltage[count_y],adc_raw_value->sensorB_display_output,AX_NUM);
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}
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