src/ulcdd/uoled.c

   1 #include <sercom.h>
   2
   3 #include "uoled.h"
   4 #include "oledlib.h"
   5 #include <string.h>
   6 #include <fcntl.h>
   7 #include <signal.h>
   8 #include <unistd.h>
   9 #include <stdlib.h>
  10 #include <stdio.h>
  11
  12 struct sercom_data sercom;
  13
  14 int uoled_write_cmd(u_int8_t *buff, int size) {
  15         int ret, i;
  16         u_int8_t rep;
  17
  18 #ifdef DEBUG
  19         printf("sending command: ");
  20         for(i=0; i<size; i++)
  21                 printf("%02x ",*(buff+i));
  22         printf("\n");
  23 #endif
  24
  25         ret = write(sercom.fd, buff, size);
  26         if(ret != size)
  27                 return -1;
  28
  29 /*      read(sercom.fd, &rep, 1);
  30 #ifdef DEBUG
  31         printf("Response: %02x\n", rep);
  32 #endif
  33
  34         if(rep != ACK)
  35                 return -1;*/
  36
  37         return 0;
  38 }
  39
  40 int uoled_switch_mode_rep() {
  41         u_int8_t ret;
  42         u_int8_t msg[ERASE_MSG_SIZE];
  43
  44         lcd_erase(msg, ERASE_MSG_SIZE);
  45
  46         ret = ulcdd_write_cmd(msg, ERASE_MSG_SIZE);
  47         if(ret)
  48                 return -1;
  49
  50         return 0;
  51
  52 }