Merge pull request #1 from alh84001/patch-1

[max/tmk_keyboard.git] / converter / ibm4704_usb / matrix.c

diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
index 155df9c38f26f5fa2d9a610e4773436c75dd1fdc..f25452d596c0c47e32d6e705b1a4920aae8efe2c 100644 (file)
--- a/converter/ibm4704_usb/matrix.c
+++ b/converter/ibm4704_usb/matrix.c
@@ -68,8 +68,9 @@ uint8_t matrix_cols(void)
 static void enable_break(void)
 {
     print("Enable break: ");
+    while (ibm4704_send(0xFC)) { _delay_ms(10); }
     // valid scancode: 00-79h
-    for (uint8_t code = 0; code < 0x7A; code++) {
+    for (uint8_t code = 0; code < 0x7F; code++) {
         while (ibm4704_send(0x80|code)) _delay_ms(10);
         _delay_ms(5);   // wait for response
         // No response(FF) when ok, FD when out of bound
@@ -105,8 +106,8 @@ uint8_t matrix_scan(void)
     if (code==0xFF) {
         // Not receivd
         return 0;
-    } else if ((code&0x7F) >= 0x7A) {
-        // 0xFF-FA and 0x7F-7A is not scancode
+    } else if ((code&0x7F) >= 0x7C) {
+        // 0xFF-FC and 0x7F-7C is not scancode
         xprintf("Error: %02X\n", code);
         matrix_clear();
         return 0;