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-rw-r--r--converter/ibm4704_usb/matrix.c57
1 files changed, 24 insertions, 33 deletions
diff --git a/converter/ibm4704_usb/matrix.c b/converter/ibm4704_usb/matrix.c
index 796e2d0642..0bfda2b158 100644
--- a/converter/ibm4704_usb/matrix.c
+++ b/converter/ibm4704_usb/matrix.c
@@ -68,34 +68,43 @@ uint8_t matrix_cols(void)
static void enable_break(void)
{
uint8_t ret;
- for (uint8_t code = 0; code < 0x80; code++) {
+ print("Enable break: ");
+ // valid scancode: 00-77h
+ for (uint8_t code = 0; code < 0x78; code++) {
while (ibm4704_send(0x80|code) != 0) {
print("z");
+ _delay_us(500);
}
- _delay_ms(1);
- ret = ibm4704_recv();
- if (ret!=0xFF) {
- xprintf("%0X: %0X ", code, ret);
+ _delay_us(2000);
+ ret = ibm4704_recv();
+ if (ret != 0xff) {
+ xprintf("c%02X:r%02X ", code, ret);
}
+ _delay_us(1000);
}
- _delay_us(100);
+ _delay_us(1000);
+ while (ibm4704_send(0xFF) != 0) { _delay_us(500); } // End
print("End\n");
- while (ibm4704_send(0xFF) != 0) {
- print("Z");
- } // End
}
void matrix_init(void)
{
+ uint8_t ret;
debug_enable = true;
ibm4704_init();
matrix_clear();
- xprintf("------\n");
+ // read keyboard id
+ while ((ret = ibm4704_recv()) == 0xFF) {
+ ibm4704_send(0xFE);
+ _delay_us(100);
+ }
+
+ _delay_ms(2000); // wait for starting up debug console
+ print("IBM 4704 converter\n");
+ xprintf("Keyboard ID: %02X\n", ret);
enable_break();
- //while (ibm4704_send(0x8C) != 0) ;
- //while (ibm4704_send(0xFF) != 0) ;
}
/*
@@ -108,8 +117,8 @@ uint8_t matrix_scan(void)
// Not receivd
return 0;
} else if ((code&0x78)==0x78) {
- // 0xFF-F8 and 0x7F-78 is not scan code
- dprintf("Error: %0X\n", code);
+ // 0xFF-F8 and 0x7F-78 is not scancode
+ xprintf("Error: %0X\n", code);
matrix_clear();
return 0;
} else if (code&0x80) {
@@ -121,12 +130,6 @@ uint8_t matrix_scan(void)
}
inline
-bool matrix_has_ghost(void)
-{
- return false;
-}
-
-inline
bool matrix_is_on(uint8_t row, uint8_t col)
{
return (matrix[row] & (1<<col));
@@ -142,20 +145,8 @@ void matrix_print(void)
{
print("\nr/c 01234567\n");
for (uint8_t row = 0; row < matrix_rows(); row++) {
- // TODO: use new function
- phex(row); print(": ");
- pbin_reverse(matrix_get_row(row));
- print("\n");
- }
-}
-
-uint8_t matrix_key_count(void)
-{
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += bitpop(matrix[i]);
+ xprintf("%02X: %08b\n", row, bitrev(matrix_get_row(row)));
}
- return count;
}