static void enable_break(void)
{
- uint8_t ret;
- for (uint8_t code = 0; code < 0x80; code++) {
- while (ibm4704_send(0x80|code) != 0) {
- print("z");
- }
- _delay_ms(1);
- ret = ibm4704_recv();
- if (ret!=0xFF) {
- xprintf("%0X: %0X ", code, ret);
- }
+ print("Enable break: ");
+ while (ibm4704_send(0xFC)) { _delay_ms(10); }
+ // valid scancode: 00-79h
+ 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
+ xprintf("s%02X:r%02X ", code, ibm4704_recv());
}
- _delay_us(100);
+ while (ibm4704_send(0xFF)) { _delay_ms(10); } // End
print("End\n");
- while (ibm4704_send(0xFF) != 0) {
- print("Z");
- } // End
+}
+
+
+void matrix_setup(void)
+{
+ ibm4704_init();
}
void matrix_init(void)
{
debug_enable = true;
- ibm4704_init();
+ print("IBM 4704 converter\n");
matrix_clear();
-
- xprintf("------\n");
+ _delay_ms(2000); // wait for keyboard starting up
+ xprintf("Keyboard ID: %02X\n", ibm4704_recv());
enable_break();
- //while (ibm4704_send(0x8C) != 0) ;
- //while (ibm4704_send(0xFF) != 0) ;
}
/*
if (code==0xFF) {
// Not receivd
return 0;
- } else if ((code&0x78)==0x78) {
- // 0xFF-F8 and 0x7F-78 is not scan code
- dprintf("Error: %0X\n", code);
+ } else if ((code&0x7F) >= 0x7A) {
+ // 0xFF-FA and 0x7F-7A is not scancode
+ xprintf("Error: %02X\n", code);
matrix_clear();
return 0;
} else if (code&0x80) {
+ dprintf("%02X\n", code);
matrix_make(code);
} else {
+ dprintf("%02X\n", code);
matrix_break(code);
}
return 1;
}
-inline
-bool matrix_has_ghost(void)
-{
- return false;
-}
-
inline
bool matrix_is_on(uint8_t row, uint8_t col)
{
{
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;
}