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Fix ps2_host_recv_response

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This commit is contained in:
tmk 2013-11-26 14:31:57 +09:00
parent 9ae9742ac5
commit 9d26053f1c
3 changed files with 12 additions and 13 deletions
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4
common/print.h
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@ -40,10 +40,6 @@
#endif
#define println(s) print_P(PSTR(s "\n"))
#ifndef AVR_LIBC_PRINTF
#define printf(f, ...) xprintf(f, ##__VA_ARGS__)
#endif
/* for old name */
#define pdec(data) print_dec(data)
#define pdec16(data) print_dec(data)

10
converter/ps2_usb/matrix.c
View file

@ -217,7 +217,7 @@ uint8_t matrix_scan(void)
if (code < 0x80) {
matrix_make(code);
} else {
printf("unexpected scan code at INIT: %02X\n", code);
xprintf("unexpected scan code at INIT: %02X\n", code);
clear_keyboard();
}
state = INIT;
@ -239,7 +239,7 @@ uint8_t matrix_scan(void)
if (code < 0x80) {
matrix_make(code|0x80);
} else {
printf("unexpected scan code at E0: %02X\n", code);
xprintf("unexpected scan code at E0: %02X\n", code);
clear_keyboard();
}
state = INIT;
@ -259,7 +259,7 @@ uint8_t matrix_scan(void)
if (code < 0x80) {
matrix_break(code);
} else {
printf("unexpected scan code at F0: %02X\n", code);
xprintf("unexpected scan code at F0: %02X\n", code);
clear_keyboard();
}
state = INIT;
@ -275,7 +275,7 @@ uint8_t matrix_scan(void)
if (code < 0x80) {
matrix_break(code|0x80);
} else {
printf("unexpected scan code at E0_F0: %02X\n", code);
xprintf("unexpected scan code at E0_F0: %02X\n", code);
clear_keyboard();
}
state = INIT;
@ -371,7 +371,7 @@ uint8_t matrix_scan(void)
if (ps2_error > PS2_ERR_STARTBIT3) {
uint8_t ret = ps2_host_send(PS2_RESEND);
printf("Resend: %02X\n", ret);
xprintf("Resend: %02X\n", ret);
}
return 1;
}

11
protocol/ps2_busywait.c
View file

@ -104,6 +104,7 @@ uint8_t ps2_host_send(uint8_t data)
WAIT(clock_hi, 50, 8);
WAIT(data_hi, 50, 9);
inhibit();
res = ps2_host_recv_response();
ERROR:
inhibit();
@ -113,12 +114,14 @@ ERROR:
/* receive data when host want else inhibit communication */
uint8_t ps2_host_recv_response(void)
{
// TODO:
// Command might take 20ms to response([3]p.21)
// TrackPoint might take 25ms ([5]2.7)
// 250 * 100us(wait for start bit in ps2_host_recv)
uint8_t data = 0;
uint8_t try = 200;
while (try-- && (data = ps2_host_recv())) ;
uint8_t try = 250;
do {
data = ps2_host_recv();
} while (try-- && ps2_error);
return data;
}
@ -172,7 +175,7 @@ uint8_t ps2_host_recv(void)
return data;
ERROR:
if (ps2_error > PS2_ERR_STARTBIT3) {
printf("x%02X\n", ps2_error);
xprintf("x%02X\n", ps2_error);
}
inhibit();
return 0;