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Obsahem cvičení je samostatná práce na projektu a konzultace (projektu, témat z přednášek…).
moving_square.c:
/******************************************************************* Project main function template for MicroZed based MZ_APO board designed by Petr Porazil at PiKRON include your name there and license for distribution. Remove next text: This line should not appear in submitted work and project name should be change to match real application. If this text is there I want 10 points subtracted from final evaluation. *******************************************************************/ #define _POSIX_C_SOURCE 200112L #include <stdlib.h> #include <stdio.h> #include <stdint.h> #include <time.h> #include <unistd.h> #include <termios.h> //termios, TCSANOW, ECHO, ICANON #include "mzapo_parlcd.h" #include "mzapo_phys.h" #include "mzapo_regs.h" unsigned short *fb; void draw_pixel(int x, int y, unsigned short color) { if (x>=0 && x<480 && y>=0 && y<320) { fb[x+480*y] = color; } } int main(int argc, char *argv[]) { unsigned char *parlcd_mem_base, *mem_base; int i,j; int ptr; unsigned int c; fb = (unsigned short *)malloc(320*480*2); printf("Hello world\n"); parlcd_mem_base = map_phys_address(PARLCD_REG_BASE_PHYS, PARLCD_REG_SIZE, 0); if (parlcd_mem_base == NULL) exit(1); mem_base = map_phys_address(SPILED_REG_BASE_PHYS, SPILED_REG_SIZE, 0); if (mem_base == NULL) exit(1); parlcd_hx8357_init(parlcd_mem_base); parlcd_write_cmd(parlcd_mem_base, 0x2c); ptr=0; for (i = 0; i < 320 ; i++) { for (j = 0; j < 480 ; j++) { c = 0; fb[ptr]=c; parlcd_write_data(parlcd_mem_base, fb[ptr++]); } } struct timespec loop_delay; loop_delay.tv_sec = 0; loop_delay.tv_nsec = 150 * 1000 * 1000; int xx=0, yy=0; while (1) { int r = *(volatile uint32_t*)(mem_base + SPILED_REG_KNOBS_8BIT_o); if ((r&0x7000000)!=0) { break; } xx = ((r&0xff)*480)/256; yy = (((r>>8)&0xff)*320)/256; for (ptr = 0; ptr < 320*480 ; ptr++) { fb[ptr]=0u; } for (j=0; j<60; j++) { for (i=0; i<60; i++) { draw_pixel(i+xx,j+yy,0x7ff); } } parlcd_write_cmd(parlcd_mem_base, 0x2c); for (ptr = 0; ptr < 480*320 ; ptr++) { parlcd_write_data(parlcd_mem_base, fb[ptr]); } clock_nanosleep(CLOCK_MONOTONIC, 0, &loop_delay, NULL); } parlcd_write_cmd(parlcd_mem_base, 0x2c); for (ptr = 0; ptr < 480*320 ; ptr++) { parlcd_write_data(parlcd_mem_base, 0); } printf("Goodbye world\n"); return 0; }