CS计算机代考程序代写 // LCD driver, 128×32 pixels

// LCD driver, 128×32 pixels
#include
#include “c12832.H”
#include “string.h”
#include “Small_7.h”

const uint32_t CS1 = 1UL << 0; // chip selection, active low, PTD0 const uint32_t RST = 1UL << 3; // reset, active low, PTD3 const uint32_t A0 = 1UL << 9; // Register selection, PTC9. A0=0: instruction; A0=1: data const uint32_t SCL = 1UL << 1; // clock, PTD1 const uint32_t SI = 1UL << 2; // data, PTD2 unsigned char buffer[512]; unsigned char* font; unsigned int char_x; unsigned int char_y; void Delay_us(uint32_t nCount) { while(nCount--) { } } /*---------------------------------------------------------------------------- LCD pin config *----------------------------------------------------------------------------*/ void LCD_Config(void) { SIM->SCGC5 |= (1UL << 11) | (1UL << 12); /* Enable Clock to Port C & D */ PORTC->PCR[9] = (1UL << 8); /* Pin PTC9 is GPIO */ PORTD->PCR[0] = (1UL << 8); /* Pin PTD0 is GPIO */ PORTD->PCR[1] = (1UL << 8); /* Pin PTD1 is GPIO */ PORTD->PCR[2] = (1UL << 8); /* Pin PTD2 is GPIO */ PORTD->PCR[3] = (1UL << 8); /* Pin PTD3 is GPIO */ PTD->PDDR = (CS1 | RST | SCL | SI ); /* enable PTD0,1,2,3 as Output */
PTD->PCOR = (CS1 | RST | SCL | SI ); /* output all 0 */
PTC->PDDR = A0; /* enable PTC9 as Output */
PTC->PCOR = A0; /* output 0 */
return;
}

/*—————————————————————————
signal out, data or commmand
*—————————————————————————*/
void LCD_Write(uint8_t x, int8_t i)
{
uint8_t n;
PTD->PCOR = CS1; // CS1 = 0
if(i==0)
PTC->PCOR = A0; // A0 = 0
else
PTC->PSOR = A0; // A0 = 1
for(n=0; n<8; n++){ PTD->PCOR = SCL; // SCL = 0;
if(x&0x80)
PTD->PSOR = SI; // output 1
else
PTD->PCOR = SI; // output 0
// Delay_us(1); // delay xx ms
PTD->PSOR = SCL; // SCL = 1;
x <<= 1; } PTD->PSOR = CS1; // CS = 1;
}

void locate(int x, int y)
{
char_x = x;
char_y = y;
}

void set_font(unsigned char* f)
{
font = f;
}

/****************************************************
* LCD Initialization *
*****************************************************/
void init_LCD(void)
{
PTD->PSOR = CS1; // CS1 = 1
PTD->PCOR = RST; // RST = 0
Delay_us(50); // delay 50us
PTD->PSOR = RST; // RST = 1
Delay_us(5000); // delay 5ms
LCD_Write(0xAE,0);
LCD_Write(0xA2,0);
LCD_Write(0xA0,0);
LCD_Write(0xC8,0);
LCD_Write(0x22,0);
LCD_Write(0x2F,0);
LCD_Write(0x40,0);
LCD_Write(0xAF,0);
LCD_Write(0x81,0);
LCD_Write(0x17,0);
LCD_Write(0xA6,0);

locate(0,0);
set_font((unsigned char*)Small_7); // standart font
// copy_to_lcd();
}

void copy_to_lcd(void)
{

int i=0;

//page 0
LCD_Write(0x00,0); // set column low nibble 0
LCD_Write(0x10,0); // set column hi nibble 0
LCD_Write(0xB0,0); // set page address 0
for(i=0; i<128; i++) { LCD_Write(buffer[i],1); } // page 1 LCD_Write(0x00,0); // set column low nibble 0 LCD_Write(0x10,0); // set column hi nibble 0 LCD_Write(0xB1,0); // set page address 1 for(i=128; i<256; i++) { LCD_Write(buffer[i],1); } //page 2 LCD_Write(0x00,0); // set column low nibble 0 LCD_Write(0x10,0); // set column hi nibble 0 LCD_Write(0xB2,0); // set page address 2 for(i=256; i<384; i++) { LCD_Write(buffer[i],1); } //page 3 LCD_Write(0x00,0); // set column low nibble 0 LCD_Write(0x10,0); // set column hi nibble 0 LCD_Write(0xB3,0); // set page address 3 FPTD->PCOR = CS1; // CS1 = 0

for(i=384; i<512; i++) { LCD_Write(buffer[i],1); } } void pixel(int x, int y, int color) { // first check parameter if(x > 128 || y > 32 || x < 0 || y < 0) return; // if(draw_mode == NORMAL) { if(color == 0) buffer[x + ((y/8) * 128)] &= ~(1 << (y%8)); // erase pixel else buffer[x + ((y/8) * 128)] |= (1 << (y%8)); // set pixel /* } else { // XOR mode if(color == 1) buffer[x + ((y/8) * 128)] ^= (1 << (y%8)); // xor pixel }*/ } void line(int x0, int y0, int x1, int y1, int color) { int dx = 0, dy = 0; int dx_sym = 0, dy_sym = 0; int dx_x2 = 0, dy_x2 = 0; int di = 0; dx = x1-x0; dy = y1-y0; // if (dx == 0) { /* vertical line */ // if (y1 > y0) vline(x0,y0,y1,color);
// else vline(x0,y1,y0,color);
// return;
// }

if (dx > 0) {
dx_sym = 1;
} else {
dx_sym = -1;
}
// if (dy == 0) { /* horizontal line */
// if (x1 > x0) hline(x0,x1,y0,color);
// else hline(x1,x0,y0,color);
// return;
// }

if (dy > 0) {
dy_sym = 1;
} else {
dy_sym = -1;
}

dx = dx_sym*dx;
dy = dy_sym*dy;

dx_x2 = dx*2;
dy_x2 = dy*2;

if (dx >= dy) {
di = dy_x2 – dx;
while (x0 != x1) {

pixel(x0, y0, color);
x0 += dx_sym;
if (di<0) { di += dy_x2; } else { di += dy_x2 - dx_x2; y0 += dy_sym; } } pixel(x0, y0, color); } else { di = dx_x2 - dy; while (y0 != y1) { pixel(x0, y0, color); y0 += dy_sym; if (di < 0) { di += dx_x2; } else { di += dx_x2 - dy_x2; x0 += dx_sym; } } pixel(x0, y0, color); } copy_to_lcd(); } void rect(int x0, int y0, int x1, int y1, int color) { if (x1 > x0) line(x0,y0,x1,y0,color);
else line(x1,y0,x0,y0,color);

if (y1 > y0) line(x0,y0,x0,y1,color);
else line(x0,y1,x0,y0,color);

if (x1 > x0) line(x0,y1,x1,y1,color);
else line(x1,y1,x0,y1,color);

if (y1 > y0) line(x1,y0,x1,y1,color);
else line(x1,y1,x1,y0,color);

copy_to_lcd();
}

void fillrect(int x0, int y0, int x1, int y1, int color)
{
int l,c,i;
if(x0 > x1) {
i = x0;
x0 = x1;
x1 = i;
}

if(y0 > y1) {
i = y0;
y0 = y1;
y1 = i;
}

for(l = x0; l<= x1; l ++) { for(c = y0; c<= y1; c++) { pixel(l,c,color); } } copy_to_lcd(); } void circle(int x0, int y0, int r, int color) { int draw_x0, draw_y0; int draw_x1, draw_y1; int draw_x2, draw_y2; int draw_x3, draw_y3; int draw_x4, draw_y4; int draw_x5, draw_y5; int draw_x6, draw_y6; int draw_x7, draw_y7; int xx, yy; int di; //WindowMax(); if (r == 0) { /* no radius */ return; } draw_x0 = draw_x1 = x0; draw_y0 = draw_y1 = y0 + r; if (draw_y0 < 32) { pixel(draw_x0, draw_y0, color); /* 90 degree */ } draw_x2 = draw_x3 = x0; draw_y2 = draw_y3 = y0 - r; if (draw_y2 >= 0) {
pixel(draw_x2, draw_y2, color); /* 270 degree */
}

draw_x4 = draw_x6 = x0 + r;
draw_y4 = draw_y6 = y0;
if (draw_x4 < 128) { pixel(draw_x4, draw_y4, color); /* 0 degree */ } draw_x5 = draw_x7 = x0 - r; draw_y5 = draw_y7 = y0; if (draw_x5>=0) {
pixel(draw_x5, draw_y5, color); /* 180 degree */
}

if (r == 1) {
return;
}

di = 3 – 2*r;
xx = 0;
yy = r;
while (xx < yy) { if (di < 0) { di += 4*xx + 6; } else { di += 4*(xx - yy) + 10; yy--; draw_y0--; draw_y1--; draw_y2++; draw_y3++; draw_x4--; draw_x5++; draw_x6--; draw_x7++; } xx++; draw_x0++; draw_x1--; draw_x2++; draw_x3--; draw_y4++; draw_y5++; draw_y6--; draw_y7--; if ( (draw_x0 <= 32) && (draw_y0>=0) ) {
pixel(draw_x0, draw_y0, color);
}

if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) {
pixel(draw_x1, draw_y1, color);
}

if ( (draw_x2 <= 32) && (draw_y2 <= 128) ) { pixel(draw_x2, draw_y2, color); } if ( (draw_x3 >=0 ) && (draw_y3 <= 128) ) { pixel(draw_x3, draw_y3, color); } if ( (draw_x4 <= 32) && (draw_y4 >= 0) ) {
pixel(draw_x4, draw_y4, color);
}

if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) {
pixel(draw_x5, draw_y5, color);
}
if ( (draw_x6 <= 32) && (draw_y6 <= 32) ) { pixel(draw_x6, draw_y6, color); } if ( (draw_x7 >= 0) && (draw_y7 <= 32) ) { pixel(draw_x7, draw_y7, color); } } copy_to_lcd(); } void fillcircle(int x, int y, int r, int color) { int i; for (i = 0; i <= r; i++) circle(x,y,i,color); copy_to_lcd(); } void cls(void) { memset(buffer,0x00,512); // clear display buffer copy_to_lcd(); } int columns() { return 128 / font[1]; } int rows() { return 32 / font[2]; } void character(int x, int y, int c) { unsigned int hor,vert,offset,bpl,j,i,b; unsigned char* zeichen; unsigned char z,w; if ((c < 31) || (c > 127)) return; // test char range

// read font parameter from start of array
offset = font[0]; // bytes / char
hor = font[1]; // get hor size of font
vert = font[2]; // get vert size of font
bpl = font[3]; // bytes per line

if (char_x + hor > 128) {
char_x = 0;
char_y = char_y + vert;
if (char_y >= 32 – font[2]) {
char_y = 0;
}
}

zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap
w = zeichen[0]; // width of actual char
// construct the char into the buffer
for (j=0; j> 3)+1];
b = 1 << (j & 0x07); if (( z & b ) == 0x00) { pixel(x+i,y+j,0); } else { pixel(x+i,y+j,1); } } } char_x += w; } int putc(int value) { if (value == '\n') { // new line char_x = 0; char_y = char_y + font[2]; if (char_y >= 32 – font[2]) {
char_y = 0;
}
} else {
character(char_x, char_y, value);
copy_to_lcd();
}
return value;
}

void putstr(int y, int x, char *c)
{
uint8_t i,n;
n = strlen(c);
locate((x-1)*5,(y-1)*9+3);
for(i=0;i