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ad hoc fix for wrong bit read problem of adb.c.

led_matrix
tmk 11 years ago
parent
commit
dd0017558e
1 changed files with 6 additions and 0 deletions
  1. 6
    0
      protocol/adb.c

+ 6
- 0
protocol/adb.c View File

#include <stdbool.h> #include <stdbool.h>
#include <util/delay.h> #include <util/delay.h>
#include <avr/io.h> #include <avr/io.h>
#include <avr/interrupt.h>
#include "adb.h" #include "adb.h"




return 0; // No data to send return 0; // No data to send
if (!read_bit()) // Startbit(1) if (!read_bit()) // Startbit(1)
return -2; return -2;

// ad hoc fix: without block inerrupt read wrong bit occasionally and get keys stuck
cli();
data = read_byte(); data = read_byte();
data = (data<<8) | read_byte(); data = (data<<8) | read_byte();
sei();

if (read_bit()) // Stopbit(0) if (read_bit()) // Stopbit(0)
return -3; return -3;
return data; return data;