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authortmk <hasu@tmk-kbd.com>2015-05-19 00:32:58 +0900
committertmk <hasu@tmk-kbd.com>2015-05-19 00:39:44 +0900
commit80fd3b0b240a8840fbca1cc3cc70e76f5b52b888 (patch)
tree92cbbfe97ca83ab5646c8cd48758207cdeceb615 /converter/ibm4704_usb/matrix.c
parent6b588eb7f7893500e18686e673dbf12b511dc975 (diff)
ibm4704_usb: Fix protocol handling
Diffstat (limited to 'converter/ibm4704_usb/matrix.c')
-rw-r--r--converter/ibm4704_usb/matrix.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
index 5f928d716f..155df9c38f 100644
--- a/converter/ibm4704_usb/matrix.c
+++ b/converter/ibm4704_usb/matrix.c
@@ -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_init(void)
-{
- debug_enable = true;
+void matrix_setup(void)
+{
ibm4704_init();
- matrix_clear();
+}
- _delay_ms(2000); // wait for starting up debug console
+void matrix_init(void)
+{
+ debug_enable = true;
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();
}