1 Given The File In C Create A New While 1 Loop To Contain A Clear Lcd Followed By A 3334481

1) Given the file in C, create a new while (1) loop to contain a clear LCD followed by a for loop to print all the ASCII characters from 33 to 123. There should be exactly 0.20 second delay between characters being displayed. Make another one modifies the previous version such that the ASCII characters from 33 to 123 are each printed on the bottom line at column 3, but include the decimal and hexadecimal values of the characters, we can use printf(“%i%x%c”, i, i, i); where i is the loop variable. #include // library containing printf() function #include #include “osc.h” // library for set_osc_32MHz() #include “configureUSART.h” // library for configureUSART(baud) #pragma config WDT = OFF #pragma config OSC = INTIO7 // puts osc/4 on pin 14 to check freq #pragma config MCLRE = OFF #pragma config LVP = OFF #pragma config PBADEN = OFF // PORTB are digital IO void WaitOneSecond(void); void WaitQuarterSecond(void); void main(void) // a C project can only have one main() function { char string[] = ” APSC1299 “; // 16 chars wide to fill bottom line of LCD set_osc_32MHz(); // set MCU to run at 32 MHz // fOSC = 32 000 000 Hz // TOSC = 1/32 000 000 s = 31.25 ns // TCY = 4*TOSC = 125 ns configureUSART(9600ul, 32); // configure MCU serial communication module to run at 9600 baud // with MCU operating at 32 MHz. Defined in configureUSART.c // 9600 bits/s is default communication rate // other choices 2 400, 4 800, 19 200, 38 400 (not available at 1 MHz) // LCD will not work if MCU is not configured for USART _delay(100000ul); _delay(100000ul); _delay(100000ul); _delay(100000ul); _delay(100000ul); // small delay to wait for splash screen to appear ////////////////////////////////////////////////////////////////////////////////////////// // printf(“%c”,0x12); // reset LCD to default 9600 bps // // only works if run during splash screen. // // use only in case LCD was accidently set to another baud rate // // and is printing garbage // WaitOneSecond(); // Wait for reset message to complete // // LCD will not respond to printf() until it is finished. /////////////////////////////////////////////////////////////////////////////////////////// WaitOneSecond(); // The splash screen lasts about one second // LCD will not respond to printf() until it is finished. printf(“%c%c”,0xFE,0x01); //Command – clear and zero display //Not strictly necessary since splash clears itself printf(” Hello World “); // 16 chars wide to fill top line of LCD WaitOneSecond(); WaitOneSecond(); printf(“%s”,string); // 16 chars wide to fill bottom line of LCD WaitOneSecond(); WaitOneSecond(); while(1) { // MCUs run continuously so an endless loop is required. // Jiggle Message. printf(“%c%c”,0xFE, 0x1C); //move message right one column WaitQuarterSecond(); printf(“%c%c”,0xFE, 0x18); //move message left one column WaitQuarterSecond(); } } void WaitOneSecond(void) { int i = 0; for(i=0; i<=80; i++) { _delay(100000ul); // 100 000 * 4 / 32 000 000 = 1/80 s } } void WaitQuarterSecond(void) { int i = 0; for(i=0; i<=20; i++) { _delay(100000ul); // 100 000 * 4 / 32 000 000 = 1/80 s } }

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