#include "config_diall.h" // http://www.diallix.net/headers #include "config_words.h" // http://www.diallix.net/headers #include "LCD_D.h" // http://www.diallix.net/el/145-lcdcontroll char *PageSys(void) { return "0x21"; } struct __attribute__ ((packed)) { float voltage; float number; char results_voltage[32]; char results_number[32]; unsigned long ADCValue1, ADCValue2; }ADC_Results; char* GetBufferData(unsigned long input_buffer_value, char * type); void ADC_Init(void) { ADC_Results.ADCValue1=0; ADC_Results.ADCValue2=0; CLKDIV = 0; //Init_Port2(&PORTA, 0, "analog"); /* Set AN0 as analog */ //Init_Port2(&PORTA, 1, "analog"); /* Set AN1 as analog */ AD_Set_Analog(AN0); /* Set AN0 as analog */ AD_Set_Analog(AN1); /* Set AN1 as analog */ Set_ADC_port(AN0); /* Set AN0 as input */ Set_ADC_port(AN1); /* Set AN1 as input */ Scan_ADC_port(AN0); /* Set AN0 for scanning */ Scan_ADC_port(AN1); /* Set AN1 for scanning */ //Config_OUT(TRISA,0); /* Set RA0 for detect LED */ T3CON=0b1000000000110000; /* 50msec, 1/256,FOSC=16MH, Current time clock */ PR3 = 3124; /* 50000 ·((1/16) —256)-1 = 3124 */ AD1CON1 = 0x8044; /* AD1CON1:A/D1 Configure sample clock source and conversion trigger mode. Unsigned Fraction format (FORM<1:0>=10), Manual conversion trigger (SSRC<3:0>=000), Manual start of sampling (ASAM=0), No operation in Idle mode (ADSIDL=1) */ AD1CON2 = 0x0400; /* AD1CON2:A/D2; 31Tad 3.0Tcy Configure A/D voltage reference and buffer fill modes.Vr+ and Vr- from AVdd and AVss (VCFG<2:0>=000), Inputs are not scanned, Interrupt after every sample */ AD1CON3 = 0x0000; /* AD1CON3:A/D3; MUX A Configure A/D conversion clock as Tcy/2 */ AD1CHS = 0x0000; /* AD1CHS:A/D Configure input channels */ //AD1CON2bits.CSCNA = 1; /* Scan inputs */ AD1CON2bits.SMPI0 = 1; /* Interrupt after 2 sequences */ //AD1CSSLbits.CSSL0 = 1; /* Scan 2 channels */ IEC0bits.AD1IE = 1; /* Enable A/D conversion interrupt */ AD1CON1bits.ADON = 1; /* Turn on A/D */ AD1CON1bits.ASAM = 1; /* Sampling begins immediately after the last conversion */ AD1CON1bits.SAMP = 1; /* Start sampling the input */ } void Display_Init(void) { OSCTUN = 0; RCONbits.SWDTEN = 0; This.Detect.Debug = FALSE; LCD.Direct.Port = uintptr &PORTA; LCD.Data.Port = uintptr &PORTB; LCD.Direct.RS = 2; LCD.Direct.RW = 3; LCD.Direct.EN = 4; //LedStatus.Port = uintptr &PORTB; //LedStatus.Led = 0; LCD_Init(); } int main(void) { ADC_Init(); Display_Init(); Delay_us(50); while(1) { LCD_Send_(1,LCD.position_1,null); LCD_Send_(0,null, GetBufferData(ADC_Results.ADCValue1, "number")); //LCD_Send_(0,null, GetBufferData(ADC_Results.ADCValue1, "voltage")); LCD_Send_(1,LCD.position_2,null); //LCD_Send_(0,null, GetBufferData(ADC_Results.ADCValue2, "number")); LCD_Send_(0,null, GetBufferData(ADC_Results.ADCValue2, "voltage")); } return 0; } void __attribute__((interrupt,auto_psv)) _ADC1Interrupt(void) /* interrupt thread */ { AD1CON1bits.ASAM = 1; // Start aic sampling and conversion while (IFS0bits.AD1IF == 0); ADC_Results.ADCValue1 = ADC1BUF0; /* Get data from buffer0 */ ADC_Results.ADCValue2 = ADC1BUF1; /* Get data from buffer1 */ IFS0bits.AD1IF = 0; /* ADC flag set 0 */ } char * GetBufferData(unsigned long input_buffer_value, char * type) { if(type == "voltage") { ADC_Results.voltage = ((float)input_buffer_value * 3.3f)/1024.0f; sprintf(ADC_Results.results_voltage, "Voltage: %3.2f ",ADC_Results.voltage);
return ADC_Results.results_voltage; } else if(type == "number") { ADC_Results.number = ((float)input_buffer_value); sprintf(ADC_Results.results_number, "Number: %3.2f ",ADC_Results.number);
return ADC_Results.results_number; } }
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