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#include <ADC.h> #include <MEGA16.h> #include <Sys_Init.h> #include <led_display.h> #include <AD5310.h> /**************************************************** ** º¯ÊýÃû³Æ: ADC²ÉÑùº¯Êý ** º¯ÊýÃèÊö: ²ÉÑùµÚ0ͨµÀÐźţ¬²ÉÑù·Ö±æÂÊ256 ** ÊäÈë²ÎÊý: ÎÞ ** Êä³ö²ÎÊý: ÎÞ *****************************************************/ float TEMP_Table[100] = { 0.243,0.286,0.329,0.372,0.415,0.458,0.501,0.544,0.587,0.63, 0.673,0.716,0.759,0.802,0.845,0.888,0.931,0.974,1.017,1.06, 1.103,1.146,1.189,1.232,1.275,1.318,1.361,1.404,1.447,1.49, 1.533,1.576,1.619,1.662,1.705,1.748,1.791,1.834,1.877,1.92, 1.963,2.006,2.049,2.092,2.135,2.178,2.221,2.264,2.307,2.35, 2.393,2.436,2.479,2.522,2.565,2.608,2.651,2.694,2.737,2.78, 2.823,2.866,2.909,2.952,2.995,3.038,3.081,3.124,3.167,3.21, 3.253,3.296,3.339,3.382,3.425,3.468,3.511,3.554,3.597,3.64, 3.683,3.726,3.769,3.812,3.855,3.898,3.941,3.984,4.027,4.07, 4.113,4.156,4.199,4.242,4.285,4.328,4.371,4.414,4.457,4.5 }; // 1-100 uint Vol_Table[100] = { 575,577,579,581,583,585,587,589,591,593, 595,597,599,601,603,605,607,609,611,613, 615,617,619,621,623,625,627,629,631,633, 635,637,639,641,643,647,649,651,653,655, 657,660,663,666,669,672,675,677,680,683, 685,687,690,693,696,699,702,705,708,711, 713,717,720,723,726,729,732,735,738,741, 744,747,750,753,756,759,762,765,768,771, 774,776,778,780,782,784,786,788,790,792, 794,797,800,803,806,809,812,815,818,821 }; volatile float ADC_temp_Value = 0; //ADת»»Öмä±äÁ¿£» volatile uchar ADC_Flag = 1; volatile uint Temp_Tested_Counter = 0; volatile uchar Sys_Error_Flag = 0; volatile uchar Sys_Check_Flag = 1; extern volatile uchar Buz_three_flag; extern volatile uchar Voltage_Up_Flag; void ADC_Convert() { uchar i = 0; uchar break_flag = 1; uint temp = 0; ADC_temp_Value = 0; while( i < 3 )//Á¬ÐøADC±ä»»3´Î£¬È¡×îºóÒ»´ÎµÄ½á¹û£» { i++; if( ADC_Flag ) { ADMUX = 0x67; /*»ù×¼AVCC¡¢×ó¶ÔÆë¡¢Í¨µÀ7*/ ADCSRA = 0xC5; /*ʹÄÜ¡¢¿ªÆô¡¢4·ÖƵ*/ while(!(ADCSRA & (1 << ADIF))); /*µÈ´ý*/ ADC_temp_Value = ADCH; ADCSRA &= ~(1 << ADIF); /*Çå±êÖ¾*/ ADCSRA &= ~(1 << ADEN); /*¹Ø±Õת»»*/ } } //ADC_temp_Value = (ADC_temp_Value / 255) * 5; ADC_temp_Value /= 51; if( Sys_Check_Flag ) { if( ADC_temp_Value > TEMP_Table[0] ) { Sys_Error_Flag = 1; LED_ERR_ON; LED_Out_OFF; } else { Sys_Error_Flag = 0; LED_ERR_OFF; LED_Out_ON; Sys_Check_Flag = 0; } } else { if( ADC_temp_Value < TEMP_Table[0] ) { LED_Out_OFF; } else { LED_Out_ON; } } if(( ADC_temp_Value > 0.242 ) && ( ADC_temp_Value < 6 )) { while(( ADC_temp_Value > TEMP_Table[Temp_Tested_Counter] ) && break_flag ) { if( Temp_Tested_Counter < 100 ) { Temp_Tested_Counter++; if( Temp_Tested_Counter == 99 ) { break_flag = 0; } } } temp = Vol_Table[ Temp_Tested_Counter ]; //temp = Temp_Tested_Counter * 10; Temp_Tested_Counter = 0; if( Sys_Error_Flag ) { DA_Output( 0 ); Voltage_Up_Flag = 0; } else { DA_Output( temp ); Voltage_Up_Flag = 1; } } else { if(( ADC_temp_Value < 0.242 ) || ( ADC_temp_Value == 0.242 )) { DA_Output( 0 ); Voltage_Up_Flag = 0; } } } |
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