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ibm4704_usb: Fix protocol handling

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This commit is contained in:
tmk 2015-05-19 00:32:58 +09:00
parent 6b588eb7f7
commit 80fd3b0b24
5 changed files with 29 additions and 29 deletions
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30
converter/ibm4704_usb/matrix.c
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@ -67,35 +67,31 @@ uint8_t matrix_cols(void)
static void enable_break(void)
{
uint8_t ret;
print("Enable break: ");
// valid scancode: 00-79h
for (uint8_t code = 0; code < 0x7A; code++) {
while (ibm4704_send(0x80|code)) _delay_ms(1);
// get none when ok, get FD when out of bound
_delay_ms(5);
if ((ret = ibm4704_recv()) != 0xff) {
xprintf("c%02X:r%02X ", code, ret);
}
_delay_ms(1);
while (ibm4704_send(0x80|code)) _delay_ms(10);
_delay_ms(5); // wait for response
// No response(FF) when ok, FD when out of bound
xprintf("s%02X:r%02X ", code, ibm4704_recv());
}
_delay_us(1000);
while (ibm4704_send(0xFF)) { _delay_ms(1); } // End
while (ibm4704_send(0xFF)) { _delay_ms(10); } // End
print("End\n");
}
void matrix_setup(void)
{
ibm4704_init();
}
void matrix_init(void)
{
debug_enable = true;
ibm4704_init();
matrix_clear();
_delay_ms(2000); // wait for starting up debug console
print("IBM 4704 converter\n");
while (ibm4704_send(0xFE)) _delay_ms(1); // resend
_delay_ms(5);
matrix_clear();
_delay_ms(2000); // wait for keyboard starting up
xprintf("Keyboard ID: %02X\n", ibm4704_recv());
enable_break();
}