git.mutantstargoat.com Git - rpikern/blob - src/main.c

   1 #include "config.h"
   2
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <stdint.h>
   6 #include <ctype.h>
   7 #include "asm.h"
   8 #include "rpi.h"
   9 #include "contty.h"
  10 #include "serial.h"
  11 #include "video.h"
  12
  13 void dbgled(int x);
  14
  15 void reboot(void);
  16
  17 static void cmdrun(char *cmd);
  18
  19 int main(void)
  20 {
  21         int lastnl = 0;
  22         static char cmdbuf[256];
  23         static int cmdend;
  24
  25         rpi_init();
  26         /*init_serial(115200); done in rpi_init now for early debugging */
  27         con_init();
  28
  29         printf("Detected raspberry pi %d, I/O base: %x\n", rpi_model, rpi_iobase);
  30         printf("Main RAM base: %x, size: %u bytes\n", rpi_mem_base, rpi_mem_size);
  31         printf("Video RAM base: %x, size: %u bytes\n", rpi_vmem_base, rpi_vmem_size);
  32
  33         video_init();
  34
  35         printf("Going interactive\n");
  36         for(;;) {
  37                 while(ser_pending()) {
  38                         int c = getchar();
  39
  40                         switch(c) {
  41                         case '\r':
  42                         case '\n':
  43                                 if(!lastnl) {
  44                                         printf("\r\n");
  45                                         cmdbuf[cmdend] = 0;
  46                                         cmdend = 0;
  47                                         cmdrun(cmdbuf);
  48                                 }
  49                                 lastnl = 1;
  50                                 break;
  51
  52                         case -1:
  53                                 lastnl = 0;
  54                                 printf("error!\n");
  55                                 break;
  56
  57                         default:
  58                                 lastnl = 0;
  59                                 putchar(c);
  60                                 if(cmdend < sizeof cmdbuf) {
  61                                         cmdbuf[cmdend++] = c;
  62                                 }
  63                         }
  64                 }
  65
  66                 /*video_update(1);*/
  67         }
  68
  69         return 0;
  70 }
  71
  72 void reboot(void)
  73 {
  74         printf("Rebooting ...\n");
  75         rpi_reboot();
  76 }
  77
  78 static void cmdrun(char *cmd)
  79 {
  80         static int cur_x, cur_y;
  81         char *ptr, *args;
  82
  83         while(*cmd && isspace(*cmd)) cmd++;
  84         ptr = cmd;
  85         while(*ptr && !isspace(*ptr)) ptr++;
  86         *ptr = 0;
  87         args = ptr + 1;
  88
  89         if(strcmp(cmd, "reboot") == 0) {
  90                 reboot();
  91
  92         } else if(strcmp(cmd, "down") == 0) {
  93                 printf("scroll down\n");
  94                 cur_y += 10;
  95                 video_scroll(cur_x, cur_y);
  96
  97         } else if(strcmp(cmd, "up") == 0) {
  98                 printf("scroll up\n");
  99                 cur_y -= 10;
 100                 video_scroll(cur_x, cur_y);
 101
 102         } else if(strcmp(cmd, "help") == 0) {
 103                 printf("help not implemented yet\n");
 104         } else if(strcmp(cmd, "ver") == 0) {
 105                 printf("rpikern version 0.0\n");
 106         } else {
 107                 printf("Unknown command: %s\n", cmd);
 108         }
 109 }