static void matrix_make(uint8_t code);
static void matrix_break(uint8_t code);
-static void matrix_clear(void);
/*
#define COL(code) (code&0x07)
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
-
static void enable_break(void)
{
- uint8_t ret;
print("Enable break: ");
+ while (ibm4704_send(0xFC)) { _delay_ms(10); }
// 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);
+ 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(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);
- xprintf("Keyboard ID: %02X\n", ibm4704_recv());
+ matrix_clear();
+ _delay_ms(2000); // wait for keyboard starting up
+ uint8_t keyboard_id = ibm4704_recv();
+ xprintf("Keyboard ID: %02X\n", keyboard_id);
enable_break();
}
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;
return 1;
}
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & (1<<col));
-}
-
inline
uint8_t matrix_get_row(uint8_t row)
{
return matrix[row];
}
-void matrix_print(void)
-{
- print("\nr/c 01234567\n");
- for (uint8_t row = 0; row < matrix_rows(); row++) {
- xprintf("%02X: %08b\n", row, bitrev(matrix_get_row(row)));
- }
-}
-
-
-
inline
static void matrix_make(uint8_t code)
{
matrix[ROW(code)] &= ~(1<<COL(code));
}
-inline
-static void matrix_clear(void)
+void matrix_clear(void)
{
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
}