X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;ds=sidebyside;f=converter%2Fadb_usb%2Fmatrix.c;h=405391865fe4861b296320726bd18f3f55c07579;hb=821c719e98f310938e2bb3f2ad3e6a726bd8b03e;hp=18e71aa49786aca2c06ce4d848995b87675d867f;hpb=d8ce19abd06ee9274cee883a379504eba9b470a5;p=max%2Ftmk_keyboard.git
diff --git a/converter/adb_usb/matrix.c b/converter/adb_usb/matrix.c
index 18e71aa4..40539186 100644
--- a/converter/adb_usb/matrix.c
+++ b/converter/adb_usb/matrix.c
@@ -25,8 +25,6 @@ along with this program. If not, see .
#include "print.h"
#include "util.h"
#include "debug.h"
-#include "host.h"
-#include "led.h"
#include "adb.h"
#include "matrix.h"
@@ -38,8 +36,6 @@ along with this program. If not, see .
# error "MATRIX_ROWS must not exceed 255"
#endif
-#define ADB_CAPS_UP (ADB_CAPS | 0x80)
-
static bool is_modified = false;
@@ -71,26 +67,47 @@ uint8_t matrix_cols(void)
void matrix_init(void)
{
adb_host_init();
+ // wait for keyboard to boot up and receive command
+ _delay_ms(1000);
+ // Enable keyboard left/right modifier distinction
+ // Addr:Keyboard(0010), Cmd:Listen(10), Register3(11)
+ // upper byte: reserved bits 0000, device address 0010
+ // lower byte: device handler 00000011
+ adb_host_listen(0x2B,0x02,0x03);
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
- print_enable = true;
debug_enable = true;
- debug_matrix = true;
- debug_keyboard = true;
- debug_mouse = true;
+ //debug_matrix = true;
+ //debug_keyboard = true;
+ //debug_mouse = true;
print("debug enabled.\n");
return;
}
uint8_t matrix_scan(void)
{
+ /* extra_key is volatile and more convoluted than necessary because gcc refused
+ to generate valid code otherwise. Making extra_key uint8_t and constructing codes
+ here via codes = extra_key<<8 | 0xFF; would consistently fail to even LOAD
+ extra_key from memory, and leave garbage in the high byte of codes. I tried
+ dozens of code variations and it kept generating broken assembly output. So
+ beware if attempting to make extra_key code more logical and efficient. */
+ static volatile uint16_t extra_key = 0xFFFF;
uint16_t codes;
uint8_t key0, key1;
is_modified = false;
- codes = adb_host_kbd_recv();
+
+ codes = extra_key;
+ extra_key = 0xFFFF;
+
+ if ( codes == 0xFFFF )
+ {
+ _delay_ms(12); // delay for preventing overload of poor ADB keyboard controller
+ codes = adb_host_kbd_recv();
+ }
key0 = codes>>8;
key1 = codes&0xFF;
@@ -98,12 +115,6 @@ uint8_t matrix_scan(void)
print("adb_host_kbd_recv: "); phex16(codes); print("\n");
}
-#ifdef MATRIX_HAS_LOCKING_CAPS
- // Send Caps key up event
- if (matrix_is_on(MATRIX_ROW(ADB_CAPS), MATRIX_COL(ADB_CAPS))) {
- register_key(ADB_CAPS_UP);
- }
-#endif
if (codes == 0) { // no keys
return 0;
} else if (codes == 0x7F7F) { // power key press
@@ -111,31 +122,12 @@ uint8_t matrix_scan(void)
} else if (codes == 0xFFFF) { // power key release
register_key(0xFF);
} else if (key0 == 0xFF) { // error
- if (debug_matrix) print("adb_host_kbd_recv: ERROR(matrix cleared.)\n");
- // clear matrix to unregister all keys
- for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
+ xprintf("adb_host_kbd_recv: ERROR(%d)\n", codes);
return key1;
} else {
-#ifdef MATRIX_HAS_LOCKING_CAPS
- if (host_keyboard_leds() & (1<