| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/stat.h> |
| 6 | #include <fcntl.h> |
| 7 | #include <sys/mman.h> |
| 8 | #include <sys/ioctl.h> |
| 9 | #include <signal.h> |
| 10 | #include <termios.h> |
| 11 | |
| 12 | static int open_(const char *name) |
| 13 | { |
| 14 | int fd = open(name, O_RDWR); |
| 15 | if (fd < 0) { |
| 16 | fprintf(stderr, "%s: ", name); |
| 17 | perror("open"); |
| 18 | return 1; |
| 19 | } |
| 20 | |
| 21 | return fd; |
| 22 | } |
| 23 | |
| 24 | int main(int argc, char *argv[]) |
| 25 | { |
| 26 | volatile void *memregs; |
| 27 | void *fbmem; |
| 28 | int memdev, fbdev; |
| 29 | int i; |
| 30 | |
| 31 | printf("hi, home=%s\n", getenv("HOME")); |
| 32 | |
| 33 | for (i = 0; i < argc; i++) |
| 34 | printf("%d \"%s\"\n", i, argv[i]); |
| 35 | |
| 36 | memdev = open_("/dev/mem"); |
| 37 | fbdev = open_("/dev/fb0"); |
| 38 | |
| 39 | memregs = mmap(NULL, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000); |
| 40 | fbmem = mmap(NULL, 320*240*2, PROT_READ|PROT_WRITE, MAP_SHARED, fbdev, 0); |
| 41 | |
| 42 | ioctl(-1, 0); |
| 43 | signal(7, SIG_DFL); |
| 44 | // tcgetattr(-1, NULL); |
| 45 | // tcsetattr(-1, 0, NULL); |
| 46 | |
| 47 | #if 1 |
| 48 | for (i = 0; i < 2; i++) |
| 49 | printf("%02x %04x %08x\n", ((char *)memregs)[0x2011], |
| 50 | ((short *)memregs)[0x1198/2], ((int *)memregs)[0xbcdc/4]); |
| 51 | #endif |
| 52 | memset(fbmem, 0xff, 320*240*2); |
| 53 | |
| 54 | sleep(10); |
| 55 | |
| 56 | return 0; |
| 57 | } |
| 58 | |