void main() { init_serial(); LCD_Init(); while(1){ if(!(switch_value == old_value)) { old_value = switch_value; LCD_CmdWrite(0x80); LCD_StringWrite("EE337", 5); sendStringForTx("EE337", 5); } else LCD_Init(); //LCD_StringWrite(" BCD", 4); delay_ms(500); /*SBUF = 'A'; while(!transmit_completed); transmit_completed = 0; toggle_bit=0;*/ } }
void main() { init_serial(); LCD_Init(); //P1^4 = 1; //SCON |= 0x10; while(1){ switch_value = P1 &=0x0F; if(!(switch_value == old_value)) { old_value = P1 &= 0x0F; LCD_CmdWrite(0x80); LCD_StringWrite("AAAAAAAAAA", 10); send_string("AAAAAAAAAA", 10); } else LCD_Init(); delay_ms(500); /*SBUF = 'A'; while(!transmit_completed); transmit_completed = 0; toggle_bit=0;*/ } }
void main(void) { P3 = 0X00; // Make Port 3 output P2 = 0x00; // Make Port 2 output P1 &= 0xEF; // Make P1 Pin4-7 output P0 &= 0xF0; // Make Port 0 Pins 0,1,2 output SPI_Init(); LCD_Init(); Timer_Init(); LCD_CmdWrite(0x80); LCD_StringWrite("Voltage=",8); LCD_CmdWrite(0x8E); LCD_StringWrite("mV",2); while(1) // endless { CS_BAR = 0; // enable ADC as slave SPDAT= 0x01; // Write start bit to start ADC while(!transmit_completed); // wait end of transmition;TILL SPIF = 1 transmit_completed = 0; // clear software transfert flag SPDAT= 0x80; // 80H written to start ADC CH0 single ended sampling while(!transmit_completed); // wait end of transmition data_save_high = serial_data & 0x03 ; transmit_completed = 0; // clear software transfer flag SPDAT= 0x00; // while(!transmit_completed); // wait end of transmition data_save_low = serial_data; transmit_completed = 0; // clear software transfer flag CS_BAR = 1; // disable ADC as slave adcVal = (data_save_high <<8) + (data_save_low); //adcVal=500; } }
void main(void) { P3 = 0X00; // Make Port 3 output P2 = 0x00; // Make Port 2 output P1 &= 0xEF; // Make P1 Pin4-7 output P0 &= 0xF0; // Make Port 0 Pins 0,1,2 output SPI_Init(); LCD_Init(); Timer_Init(); while(1) // endless { CS_BAR = 0; // enable ADC as slave SPDAT= 0x01; // Write start bit to start ADC while(!transmit_completed); // wait end of transmition;TILL SPIF = 1 i.e. MSB of SPSTA transmit_completed = 0; // clear software transfert flag SPDAT= 0x80; // 80H written to start ADC CH0 single ended sampling,refer ADC datasheet while(!transmit_completed); // wait end of transmition data_save_high = serial_data & 0x03 ; transmit_completed = 0; // clear software transfer flag SPDAT= 0x00; // while(!transmit_completed); // wait end of transmition data_save_low = serial_data; transmit_completed = 0; // clear software transfer flag CS_BAR = 1; // disable ADC as slave adcVal = (data_save_high <<8) + (data_save_low); sprintf(avg_str, "%.2f", average); LCD_StringWrite(avg_str,16); delay_ms(5000); LCD_Init(); delay_ms(1000); } }
void main(void) { P3 = 0X00; // Make Port 3 output P2 = 0x00; // Make Port 2 output P1 &= 0xEF; // Make P1 Pin4-7 output P0 &= 0xF0; // Make Port 0 Pins 0,1,2 output SPI_Init(); LCD_Init(); Timer_Init(); while(1) // endless { CS_BAR = 0; // enable ADC as slave SPDAT= 0x01; // Write start bit to start ADC while(!transmit_completed); // wait end of transmition;TILL SPIF = 1 i.e. MSB of SPSTA transmit_completed = 0; // clear software transfert flag SPDAT= 0x80; // 80H written to start ADC CH0 single ended sampling,refer ADC datasheet while(!transmit_completed); // wait end of transmition data_save_high = serial_data & 0x03 ; transmit_completed = 0; // clear software transfer flag SPDAT= 0x00; // while(!transmit_completed); // wait end of transmition data_save_low = serial_data; transmit_completed = 0; // clear software transfer flag CS_BAR = 1; // disable ADC as slave adcVal = (data_save_high <<8) + (data_save_low); writeValueOnLCD(avgVal, 4); voltage_val = voltage[0]*1000 + voltage[1]*100 + voltage[2]*10 + voltage[3]; if(voltage_val >max) { max = voltage_val; } if(ct == 20) { ct = 0; if(max <= 3300 ) { LCD_CmdWrite(0x80); LCD_StringWrite("Range 1",7); } else { LCD_CmdWrite(0x80); LCD_StringWrite("Range 2", 7); } max = 0; } //LCD_StringWrite("Voltage: ", 9); //LCD_StringWrite(voltage, 4); //LCD_StringWrite(" mV" ,3); ct = ct + 1; } }