Merge branch 'adb_extended_mouse'
This commit is contained in:
commit
fb84cac5c3
4 changed files with 392 additions and 101 deletions
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@ -21,7 +21,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <stdint.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "print.h"
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#include "print.h"
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#include "util.h"
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#include "util.h"
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#include "debug.h"
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#include "debug.h"
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@ -31,6 +30,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "host.h"
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#include "host.h"
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#include "led.h"
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#include "led.h"
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#include "timer.h"
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#include "timer.h"
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#include "wait.h"
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@ -38,31 +38,49 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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static bool has_media_keys = false;
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static bool has_media_keys = false;
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static bool is_iso_layout = false;
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static bool is_iso_layout = false;
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#if ADB_MOUSE_ENABLE
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#define dmprintf(fmt, ...) do { if (debug_mouse) xprintf(fmt, ##__VA_ARGS__); } while (0)
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static uint16_t mouse_cpi = 100;
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static void mouse_init(uint8_t addr);
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#endif
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// matrix state buffer(1:on, 0:off)
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// matrix state buffer(1:on, 0:off)
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static matrix_row_t matrix[MATRIX_ROWS];
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static matrix_row_t matrix[MATRIX_ROWS];
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static void register_key(uint8_t key);
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static void register_key(uint8_t key);
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static void device_scan(void)
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{
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xprintf("\nScan:\n");
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for (uint8_t addr = 0; addr < 16; addr++) {
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uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
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if (reg3) {
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xprintf(" addr:%d, reg3:%04X\n", addr, reg3);
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}
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}
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}
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void matrix_init(void)
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void matrix_init(void)
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{
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{
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debug_enable = true;
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//debug_matrix = true;
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//debug_keyboard = true;
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//debug_mouse = true;
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// LED on
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// LED on
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DDRD |= (1<<6); PORTD |= (1<<6);
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DDRD |= (1<<6); PORTD |= (1<<6);
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adb_host_init();
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adb_host_init();
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// wait for keyboard to boot up and receive command
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_delay_ms(2000);
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// device scan
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// wait for line and device to be stable
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xprintf("Before init:\n");
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wait_ms(100);
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for (uint8_t addr = 1; addr < 16; addr++) {
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uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
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if (reg3) {
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xprintf("Scan: addr:%d, reg3:%04X\n", addr, reg3);
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}
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_delay_ms(20);
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}
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device_scan();
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//
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// Keyboard
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//
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xprintf("\nKeyboard:\n");
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// Determine ISO keyboard by handler id
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// Determine ISO keyboard by handler id
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// http://lxr.free-electrons.com/source/drivers/macintosh/adbhid.c?v=4.4#L815
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// http://lxr.free-electrons.com/source/drivers/macintosh/adbhid.c?v=4.4#L815
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uint8_t handler_id = (uint8_t) adb_host_talk(ADB_ADDR_KEYBOARD, ADB_REG_3);
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uint8_t handler_id = (uint8_t) adb_host_talk(ADB_ADDR_KEYBOARD, ADB_REG_3);
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@ -76,47 +94,169 @@ void matrix_init(void)
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is_iso_layout = false;
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is_iso_layout = false;
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break;
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break;
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}
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}
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xprintf("hadler_id: %02X, is_iso_layout: %s\n", handler_id, (is_iso_layout ? "yes" : "no"));
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xprintf("hadler: %02X, ISO: %s\n", handler_id, (is_iso_layout ? "yes" : "no"));
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// Adjustable keyboard media keys: address=0x07 and handlerID=0x02
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// Adjustable keyboard media keys: address=0x07 and handlerID=0x02
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has_media_keys = (0x02 == (adb_host_talk(ADB_ADDR_APPLIANCE, ADB_REG_3) & 0xff));
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has_media_keys = (0x02 == (adb_host_talk(ADB_ADDR_APPLIANCE, ADB_REG_3) & 0xff));
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if (has_media_keys) {
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if (has_media_keys) {
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xprintf("Found: media keys\n");
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xprintf("Media keys\n");
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}
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}
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// Enable keyboard left/right modifier distinction
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// Enable keyboard left/right modifier distinction
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// Listen Register3
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// Listen Register3
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// upper byte: reserved bits 0000, keyboard address 0010
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// upper byte: reserved bits 0000, keyboard address 0010
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// lower byte: device handler 00000011
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// lower byte: device handler 00000011
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adb_host_listen(ADB_ADDR_KEYBOARD, ADB_REG_3, ADB_ADDR_KEYBOARD, ADB_HANDLER_EXTENDED_PROTOCOL);
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adb_host_listen(ADB_ADDR_KEYBOARD, ADB_REG_3, ADB_ADDR_KEYBOARD, ADB_HANDLER_EXTENDED_KEYBOARD);
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// device scan
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xprintf("After init:\n");
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//
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for (uint8_t addr = 1; addr < 16; addr++) {
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// Mouse
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uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
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//
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if (reg3) {
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// https://developer.apple.com/library/archive/technotes/hw/hw_01.html#Extended
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xprintf("Scan: addr:%d, reg3:%04X\n", addr, reg3);
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#ifdef ADB_MOUSE_ENABLE
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}
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xprintf("\nMouse:\n");
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_delay_ms(20);
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}
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// Check device on addr3
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mouse_init(ADB_ADDR_MOUSE);
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#endif
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device_scan();
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// initialize matrix state: all keys off
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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led_set(host_keyboard_leds());
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led_set(host_keyboard_leds());
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debug_enable = true;
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//debug_matrix = true;
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//debug_keyboard = true;
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//debug_mouse = true;
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print("debug enabled.\n");
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// LED off
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// LED off
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DDRD |= (1<<6); PORTD &= ~(1<<6);
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DDRD |= (1<<6); PORTD &= ~(1<<6);
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return;
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return;
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}
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}
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#ifdef ADB_MOUSE_ENABLE
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#ifdef ADB_MOUSE_ENABLE
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static void mouse_init(uint8_t orig_addr)
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{
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uint16_t reg3;
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uint8_t mouse_handler;
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uint8_t addr;
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again:
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mouse_handler = (reg3 = adb_host_talk(orig_addr, ADB_REG_3)) & 0xFF;
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if (!reg3) return;
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dmprintf("addr%d reg3: %02X\n", orig_addr, reg3);
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// Move device to tmp address
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adb_host_flush(orig_addr);
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adb_host_listen(orig_addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_TMP, 0xFE);
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adb_host_flush(ADB_ADDR_TMP);
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mouse_handler = (reg3 = adb_host_talk(ADB_ADDR_TMP, ADB_REG_3)) & 0xFF;
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if (!reg3) {
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dmprintf("move fail\n");
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goto again;
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}
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addr = ADB_ADDR_TMP;
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dmprintf("addr%d reg3: %02X\n", addr, reg3);
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detect_again:
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if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE || mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) {
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adb_host_flush(addr);
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adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_EXTENDED_MOUSE);
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mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
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if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) {
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adb_host_flush(addr);
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adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_CLASSIC2_MOUSE);
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mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
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}
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if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) {
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xprintf("Classic 100cpi\n");
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mouse_cpi = 100;
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}
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if (mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) {
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xprintf("Classic 200cpi\n");
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mouse_cpi = 200;
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}
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}
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// Extended Mouse Protocol
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if (mouse_handler == ADB_HANDLER_EXTENDED_MOUSE) {
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// Device info format(reg1 8-byte data)
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// 0-3: device id
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// 4-5: resolution in units/inch (0xC8=200upi)
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// 6 : device class (0: Tablet, 1: Mouse, 2: Trackball)
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// 7 : num of buttons
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uint8_t len;
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uint8_t buf[8];
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len = adb_host_talk_buf(addr, ADB_REG_1, buf, sizeof(buf));
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if (len > 5) {
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mouse_cpi = (buf[4]<<8) | buf[5];
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} else {
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mouse_cpi = 100;
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}
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if (len) {
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xprintf("Ext: [", len);
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for (int8_t i = 0; i < len; i++) xprintf("%02X ", buf[i]);
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xprintf("] cpi=%d\n", mouse_cpi);
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}
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// Kensington Turbo Mouse 5: default device
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if (buf[0] == 0x4B && buf[1] == 0x4D && buf[2] == 0x4C && buf[3] == 0x31) {
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xprintf("TM5: default\n");
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// Move it to addr0 to remove this device and get new device with handle id 50 on addr 3
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// and the new device on address 3 should be handled with command sequence later.
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//
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// Turbo Mouse 5 has one default device on addr3 as normal mouse at first, and another device
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// with hander id 50 appears after the default device is moved from addr3.
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// The mouse has the two devices at same time transiently in the result. The default device is
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// removed automatically after the another device receives command sequence.
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// NOTE: The mouse hangs if you try moving the two deivces to same address.
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adb_host_flush(addr);
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adb_host_listen(addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_0, 0xFE);
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} else {
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xprintf("Unknown\n");
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}
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}
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if (mouse_handler == ADB_HANDLER_TURBO_MOUSE) {
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xprintf("TM5: ext\n");
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// Kensington Turbo Mouse 5 command sequence to enable four buttons
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// https://elixir.bootlin.com/linux/v4.4/source/drivers/macintosh/adbhid.c#L1176
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// https://github.com/NetBSD/src/blob/64b8a48e1288eb3902ed73113d157af50b2ec596/sys/arch/macppc/dev/ams.c#L261
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static uint8_t cmd1[] = { 0xE7, 0x8C, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x94 };
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static uint8_t cmd2[] = { 0xA5, 0x14, 0x00, 0x00, 0x69, 0xFF, 0xFF, 0x27 };
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adb_host_flush(addr);
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adb_host_listen_buf(addr, ADB_REG_2, cmd1, sizeof(cmd1));
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adb_host_flush(addr);
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adb_host_listen_buf(addr, ADB_REG_2, cmd2, sizeof(cmd2));
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}
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// Move all mouses to a address after init to be polled
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adb_host_flush(addr);
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adb_host_listen(addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | ADB_ADDR_MOUSE_POLL, 0xFE);
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adb_host_flush(ADB_ADDR_MOUSE_POLL);
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mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
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if (reg3) {
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dmprintf("detect again\n");
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goto detect_again;
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}
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goto again;
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// dmprintf("handler: %d\n", mouse_handler);
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// dmprintf("cpi: %d\n", mouse_cpi);
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}
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#ifdef MAX
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#ifdef MAX
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#undef MAX
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#undef MAX
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@ -127,7 +267,8 @@ static report_mouse_t mouse_report = {};
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void adb_mouse_task(void)
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void adb_mouse_task(void)
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{
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{
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uint16_t codes;
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uint8_t len;
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uint8_t buf[5];
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int16_t x, y;
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int16_t x, y;
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static int8_t mouseacc;
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static int8_t mouseacc;
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@ -138,47 +279,92 @@ void adb_mouse_task(void)
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if (timer_elapsed(tick_ms) < 12) return;
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if (timer_elapsed(tick_ms) < 12) return;
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tick_ms = timer_read();
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tick_ms = timer_read();
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codes = adb_host_mouse_recv();
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static uint16_t detect_ms;
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if (timer_elapsed(detect_ms) > 1000) {
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detect_ms = timer_read();
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// check new device on addr3
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mouse_init(ADB_ADDR_MOUSE);
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}
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// Extended Mouse Protocol data can be 2-5 bytes
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// https://developer.apple.com/library/archive/technotes/hw/hw_01.html#Extended
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//
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// Byte 0: b00 y06 y05 y04 y03 y02 y01 y00
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// Byte 1: b01 x06 x05 x04 x03 x02 x01 x00
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// Byte 2: b02 y09 y08 y07 b03 x09 x08 x07
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// Byte 3: b04 y12 y11 y10 b05 x12 x11 x10
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// Byte 4: b06 y15 y14 y13 b07 x15 x14 x13
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//
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// b--: Button state.(0: on, 1: off)
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// x--: X axis movement.
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// y--: Y axis movement.
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len = adb_host_talk_buf(ADB_ADDR_MOUSE_POLL, ADB_REG_0, buf, sizeof(buf));
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// If nothing received reset mouse acceleration, and quit.
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// If nothing received reset mouse acceleration, and quit.
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if (!codes) {
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if (len < 2) {
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mouseacc = 1;
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mouseacc = 1;
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return;
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return;
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};
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};
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// Bit sixteen is button.
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if (~codes & (1 << 15))
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// Store off-buttons and 0-movements in unused bytes
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mouse_report.buttons |= MOUSE_BTN1;
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bool xneg = false;
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if (codes & (1 << 15))
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bool yneg = false;
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mouse_report.buttons &= ~MOUSE_BTN1;
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if (len == 2) {
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// lower seven bits are movement, as signed int_7.
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if (buf[0] & 0x40) yneg = true;
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// low byte is X-axis, high byte is Y.
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if (buf[1] & 0x40) xneg = true;
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y = (codes>>8 & 0x3F);
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} else {
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x = (codes>>0 & 0x3F);
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if (buf[len - 1] & 0x40) yneg = true;
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||||||
// bit seven and fifteen is negative
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if (buf[len - 1] & 0x04) xneg = true;
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// usb does not use int_8, but int_7 (measuring distance) with sign-bit.
|
}
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if (codes & (1 << 6))
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x = (x-0x40);
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for (int8_t i = len; i < sizeof(buf); i++) {
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||||||
if (codes & (1 << 14))
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buf[i] = 0x88;
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y = (y-0x40);
|
if (yneg) buf[i] |= 0x70;
|
||||||
|
if (xneg) buf[i] |= 0x07;
|
||||||
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}
|
||||||
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|
||||||
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// 8 buttons at max
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||||||
|
// TODO: Fix HID report descriptor for mouse to support button6-8
|
||||||
|
uint8_t buttons = 0;
|
||||||
|
if (!(buf[4] & 0x08)) buttons |= MOUSE_BTN8;
|
||||||
|
if (!(buf[4] & 0x80)) buttons |= MOUSE_BTN7;
|
||||||
|
if (!(buf[3] & 0x08)) buttons |= MOUSE_BTN6;
|
||||||
|
if (!(buf[3] & 0x80)) buttons |= MOUSE_BTN5;
|
||||||
|
if (!(buf[2] & 0x08)) buttons |= MOUSE_BTN4;
|
||||||
|
if (!(buf[2] & 0x80)) buttons |= MOUSE_BTN3;
|
||||||
|
if (!(buf[1] & 0x80)) buttons |= MOUSE_BTN2;
|
||||||
|
if (!(buf[0] & 0x80)) buttons |= MOUSE_BTN1;
|
||||||
|
mouse_report.buttons = buttons;
|
||||||
|
|
||||||
|
int16_t xx, yy;
|
||||||
|
yy = (buf[0] & 0x7F) | (buf[2] & 0x70) << 3 | (buf[3] & 0x70) << 6 | (buf[4] & 0x70) << 9;
|
||||||
|
xx = (buf[1] & 0x7F) | (buf[2] & 0x07) << 7 | (buf[3] & 0x07) << 10 | (buf[4] & 0x07) << 13;
|
||||||
|
|
||||||
// Accelerate mouse. (They weren't meant to be used on screens larger than 320x200).
|
// Accelerate mouse. (They weren't meant to be used on screens larger than 320x200).
|
||||||
x *= mouseacc;
|
x = xx * mouseacc;
|
||||||
y *= mouseacc;
|
y = yy * mouseacc;
|
||||||
|
|
||||||
|
// TODO: Fix HID report descriptor for mouse to support finer resolution
|
||||||
// Cap our two bytes per axis to one byte.
|
// Cap our two bytes per axis to one byte.
|
||||||
// Easier with a MIN-function, but since -MAX(-a,-b) = MIN(a,b)...
|
// Easier with a MIN-function, but since -MAX(-a,-b) = MIN(a,b)...
|
||||||
// I.E. MIN(MAX(x,-127),127) = -MAX(-MAX(x, -127), -127) = MIN(-MIN(-x,127),127)
|
// I.E. MIN(MAX(x,-127),127) = -MAX(-MAX(x, -127), -127) = MIN(-MIN(-x,127),127)
|
||||||
mouse_report.x = -MAX(-MAX(x, -127), -127);
|
mouse_report.x = -MAX(-MAX(x, -127), -127);
|
||||||
mouse_report.y = -MAX(-MAX(y, -127), -127);
|
mouse_report.y = -MAX(-MAX(y, -127), -127);
|
||||||
|
|
||||||
if (debug_mouse) {
|
if (debug_mouse) {
|
||||||
print("adb_host_mouse_recv: "); print_bin16(codes); print("\n");
|
xprintf("Mouse: [");
|
||||||
print("adb_mouse raw: [");
|
for (int8_t i = 0; i < len; i++) xprintf("%02X ", buf[i]);
|
||||||
phex(mouseacc); print(" ");
|
xprintf("] ");
|
||||||
phex(mouse_report.buttons); print("|");
|
xprintf("[B:%02X, X:%d(%d), Y:%d(%d), A:%d]\n", mouse_report.buttons, mouse_report.x, xx, mouse_report.y, yy, mouseacc);
|
||||||
print_decs(mouse_report.x); print(" ");
|
|
||||||
print_decs(mouse_report.y); print("]\n");
|
|
||||||
}
|
}
|
||||||
|
|
||||||
// Send result by usb.
|
// Send result by usb.
|
||||||
host_mouse_send(&mouse_report);
|
host_mouse_send(&mouse_report);
|
||||||
|
|
||||||
|
// TODO: acceleration curve is needed for precise operation?
|
||||||
// increase acceleration of mouse
|
// increase acceleration of mouse
|
||||||
mouseacc += ( mouseacc < ADB_MOUSE_MAXACC ? 1 : 0 );
|
mouseacc += ( mouseacc < (mouse_cpi < 200 ? ADB_MOUSE_MAXACC : ADB_MOUSE_MAXACC/2) ? 1 : 0 );
|
||||||
|
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
|
|
@ -33,6 +33,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
#define MOUSE_BTN3 (1<<2)
|
#define MOUSE_BTN3 (1<<2)
|
||||||
#define MOUSE_BTN4 (1<<3)
|
#define MOUSE_BTN4 (1<<3)
|
||||||
#define MOUSE_BTN5 (1<<4)
|
#define MOUSE_BTN5 (1<<4)
|
||||||
|
#define MOUSE_BTN6 (1<<5)
|
||||||
|
#define MOUSE_BTN7 (1<<6)
|
||||||
|
#define MOUSE_BTN8 (1<<7)
|
||||||
|
|
||||||
/* Consumer Page(0x0C)
|
/* Consumer Page(0x0C)
|
||||||
* following are supported by Windows: http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
|
* following are supported by Windows: http://msdn.microsoft.com/en-us/windows/hardware/gg463372.aspx
|
||||||
|
|
|
||||||
|
|
@ -1,5 +1,5 @@
|
||||||
/*
|
/*
|
||||||
Copyright 2011 Jun WAKO <wakojun@gmail.com>
|
Copyright 2011-19 Jun WAKO <wakojun@gmail.com>
|
||||||
Copyright 2013 Shay Green <gblargg@gmail.com>
|
Copyright 2013 Shay Green <gblargg@gmail.com>
|
||||||
|
|
||||||
This software is licensed with a Modified BSD License.
|
This software is licensed with a Modified BSD License.
|
||||||
|
|
@ -41,6 +41,7 @@ POSSIBILITY OF SUCH DAMAGE.
|
||||||
#include <avr/io.h>
|
#include <avr/io.h>
|
||||||
#include <avr/interrupt.h>
|
#include <avr/interrupt.h>
|
||||||
#include "adb.h"
|
#include "adb.h"
|
||||||
|
#include "print.h"
|
||||||
|
|
||||||
|
|
||||||
// GCC doesn't inline functions normally
|
// GCC doesn't inline functions normally
|
||||||
|
|
@ -92,81 +93,164 @@ uint16_t adb_host_kbd_recv(uint8_t addr)
|
||||||
}
|
}
|
||||||
|
|
||||||
#ifdef ADB_MOUSE_ENABLE
|
#ifdef ADB_MOUSE_ENABLE
|
||||||
|
__attribute__ ((weak))
|
||||||
void adb_mouse_init(void) {
|
void adb_mouse_init(void) {
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
uint16_t adb_host_mouse_recv(void)
|
__attribute__ ((weak))
|
||||||
{
|
void adb_mouse_task(void) {
|
||||||
return adb_host_talk(ADB_ADDR_MOUSE, ADB_REG_0);
|
return;
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
uint16_t adb_host_talk(uint8_t addr, uint8_t reg)
|
// This sends Talk command to read data from register and returns length of the data.
|
||||||
|
uint8_t adb_host_talk_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len)
|
||||||
{
|
{
|
||||||
uint16_t data = 0;
|
for (int8_t i =0; i < len; i++) buf[i] = 0;
|
||||||
|
|
||||||
cli();
|
cli();
|
||||||
attention();
|
attention();
|
||||||
send_byte((addr<<4) | (ADB_CMD_TALK<<2) | reg);
|
send_byte((addr<<4) | ADB_CMD_TALK | reg);
|
||||||
place_bit0(); // Stopbit(0)
|
place_bit0(); // Stopbit(0)
|
||||||
|
// TODO: Service Request(Srq):
|
||||||
|
// Device holds low part of comannd stopbit for 140-260us
|
||||||
|
//
|
||||||
|
// Command:
|
||||||
|
// ......._ ______________________ ___ ............_ -------
|
||||||
|
// | | | | | | |
|
||||||
|
// Command | | | | | Data bytes | |
|
||||||
|
// ........|___| | 140-260 |__| |_............|___|
|
||||||
|
// |stop0 | Tlt Stop-to-Start |start1| |stop0 |
|
||||||
|
//
|
||||||
|
// Command without data:
|
||||||
|
// ......._ __________________________
|
||||||
|
// | |
|
||||||
|
// Command | |
|
||||||
|
// ........|___| | 140-260 |
|
||||||
|
// |stop0 | Tlt Stop-to-Start |
|
||||||
|
//
|
||||||
|
// Service Request:
|
||||||
|
// ......._ ______ ___ ............_ -------
|
||||||
|
// | 140-260 | | | | | |
|
||||||
|
// Command | Service Request | | | | Data bytes | |
|
||||||
|
// ........|___________________| |__| |_............|___|
|
||||||
|
// |stop0 | |start1| |stop0 |
|
||||||
|
// ......._ __________
|
||||||
|
// | 140-260 |
|
||||||
|
// Command | Service Request |
|
||||||
|
// ........|___________________|
|
||||||
|
// |stop0 |
|
||||||
|
// This can be happened?
|
||||||
|
// ......._ ______________________ ___ ............_ -----
|
||||||
|
// | | | | | | 140-260 |
|
||||||
|
// Command | | | | | Data bytes | Service Request |
|
||||||
|
// ........|___| | 140-260 |__| |_............|_________________|
|
||||||
|
// |stop0 | Tlt Stop-to-Start |start1| |stop0 |
|
||||||
|
//
|
||||||
|
// "Service requests are issued by the devices during a very specific time at the
|
||||||
|
// end of the reception of the command packet.
|
||||||
|
// If a device in need of service issues a service request, it must do so within
|
||||||
|
// the 65 µs of the Stop Bit’s low time and maintain the line low for a total of 300 µs."
|
||||||
|
//
|
||||||
|
// "A device sends a Service Request signal by holding the bus low during the low
|
||||||
|
// portion of the stop bit of any command or data transaction. The device must lengthen
|
||||||
|
// the stop by a minimum of 140 J.lS beyond its normal duration, as shown in Figure 8-15."
|
||||||
|
// http://ww1.microchip.com/downloads/en/AppNotes/00591b.pdf
|
||||||
if (!wait_data_hi(500)) { // Service Request(310us Adjustable Keyboard): just ignored
|
if (!wait_data_hi(500)) { // Service Request(310us Adjustable Keyboard): just ignored
|
||||||
|
xprintf("R");
|
||||||
sei();
|
sei();
|
||||||
return -30; // something wrong
|
return 0;
|
||||||
}
|
}
|
||||||
if (!wait_data_lo(500)) { // Tlt/Stop to Start(140-260us)
|
if (!wait_data_lo(500)) { // Tlt/Stop to Start(140-260us)
|
||||||
sei();
|
sei();
|
||||||
return 0; // No data to send
|
return 0; // No data from device(not error);
|
||||||
}
|
}
|
||||||
|
|
||||||
uint8_t n = 17; // start bit + 16 data bits
|
// start bit(1)
|
||||||
|
if (!wait_data_hi(40)) {
|
||||||
|
xprintf("S");
|
||||||
|
sei();
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
if (!wait_data_lo(100)) {
|
||||||
|
xprintf("s");
|
||||||
|
sei();
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
uint8_t n = 0; // bit count
|
||||||
do {
|
do {
|
||||||
|
//
|
||||||
|
// |<- bit_cell_max(130) ->|
|
||||||
|
// | |<- lo ->|
|
||||||
|
// | | |<-hi->|
|
||||||
|
// _______
|
||||||
|
// | | |
|
||||||
|
// | 130-lo | lo-hi |
|
||||||
|
// |________| |
|
||||||
|
//
|
||||||
uint8_t lo = (uint8_t) wait_data_hi(130);
|
uint8_t lo = (uint8_t) wait_data_hi(130);
|
||||||
if (!lo)
|
if (!lo)
|
||||||
goto error;
|
goto error; // no more bit or after stop bit
|
||||||
|
|
||||||
uint8_t hi = (uint8_t) wait_data_lo(lo);
|
uint8_t hi = (uint8_t) wait_data_lo(lo);
|
||||||
if (!hi)
|
if (!hi)
|
||||||
goto error;
|
goto error; // stop bit extedned by Srq?
|
||||||
|
|
||||||
hi = lo - hi;
|
if (n/8 >= len) continue; // can't store in buf
|
||||||
lo = 130 - lo;
|
|
||||||
|
|
||||||
data <<= 1;
|
buf[n/8] <<= 1;
|
||||||
if (lo < hi) {
|
if ((130 - lo) < (lo - hi)) {
|
||||||
data |= 1;
|
buf[n/8] |= 1;
|
||||||
}
|
|
||||||
else if (n == 17) {
|
|
||||||
sei();
|
|
||||||
return -20;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
while ( --n );
|
while ( ++n );
|
||||||
|
|
||||||
// Stop bit can't be checked normally since it could have service request lenghtening
|
|
||||||
// and its high state never goes low.
|
|
||||||
if (!wait_data_hi(351) || wait_data_lo(91)) {
|
|
||||||
sei();
|
|
||||||
return -21;
|
|
||||||
}
|
|
||||||
sei();
|
|
||||||
return data;
|
|
||||||
|
|
||||||
error:
|
error:
|
||||||
sei();
|
sei();
|
||||||
return -n;
|
return n/8;
|
||||||
|
}
|
||||||
|
|
||||||
|
uint16_t adb_host_talk(uint8_t addr, uint8_t reg)
|
||||||
|
{
|
||||||
|
uint8_t len;
|
||||||
|
uint8_t buf[8];
|
||||||
|
len = adb_host_talk_buf(addr, reg, buf, 8);
|
||||||
|
if (len != 2) return 0;
|
||||||
|
return (buf[0]<<8 | buf[1]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void adb_host_listen_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len)
|
||||||
|
{
|
||||||
|
cli();
|
||||||
|
attention();
|
||||||
|
send_byte((addr<<4) | ADB_CMD_LISTEN | reg);
|
||||||
|
place_bit0(); // Stopbit(0)
|
||||||
|
// TODO: Service Request
|
||||||
|
_delay_us(200); // Tlt/Stop to Start
|
||||||
|
place_bit1(); // Startbit(1)
|
||||||
|
for (int8_t i = 0; i < len; i++) {
|
||||||
|
send_byte(buf[i]);
|
||||||
|
//xprintf("%02X ", buf[i]);
|
||||||
|
}
|
||||||
|
place_bit0(); // Stopbit(0);
|
||||||
|
sei();
|
||||||
}
|
}
|
||||||
|
|
||||||
void adb_host_listen(uint8_t addr, uint8_t reg, uint8_t data_h, uint8_t data_l)
|
void adb_host_listen(uint8_t addr, uint8_t reg, uint8_t data_h, uint8_t data_l)
|
||||||
|
{
|
||||||
|
uint8_t buf[2] = { data_h, data_l };
|
||||||
|
adb_host_listen_buf(addr, reg, buf, 2);
|
||||||
|
}
|
||||||
|
|
||||||
|
void adb_host_flush(uint8_t addr)
|
||||||
{
|
{
|
||||||
cli();
|
cli();
|
||||||
attention();
|
attention();
|
||||||
send_byte((addr<<4) | (ADB_CMD_LISTEN<<2) | reg);
|
send_byte((addr<<4) | ADB_CMD_FLUSH);
|
||||||
place_bit0(); // Stopbit(0)
|
place_bit0(); // Stopbit(0)
|
||||||
_delay_us(200); // Tlt/Stop to Start
|
_delay_us(200); // Tlt/Stop to Start
|
||||||
place_bit1(); // Startbit(1)
|
|
||||||
send_byte(data_h);
|
|
||||||
send_byte(data_l);
|
|
||||||
place_bit0(); // Stopbit(0);
|
|
||||||
sei();
|
sei();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -1,5 +1,5 @@
|
||||||
/*
|
/*
|
||||||
Copyright 2011 Jun WAKO <wakojun@gmail.com>
|
Copyright 2011-19 Jun WAKO <wakojun@gmail.com>
|
||||||
|
|
||||||
This software is licensed with a Modified BSD License.
|
This software is licensed with a Modified BSD License.
|
||||||
All of this is supposed to be Free Software, Open Source, DFSG-free,
|
All of this is supposed to be Free Software, Open Source, DFSG-free,
|
||||||
|
|
@ -54,16 +54,28 @@ POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
|
||||||
/* ADB commands */
|
/* ADB commands */
|
||||||
// Default Address
|
// Default Address
|
||||||
|
#define ADB_ADDR_0 0
|
||||||
#define ADB_ADDR_DONGLE 1
|
#define ADB_ADDR_DONGLE 1
|
||||||
#define ADB_ADDR_KEYBOARD 2
|
#define ADB_ADDR_KEYBOARD 2
|
||||||
#define ADB_ADDR_MOUSE 3
|
#define ADB_ADDR_MOUSE 3
|
||||||
#define ADB_ADDR_TABLET 4
|
#define ADB_ADDR_TABLET 4
|
||||||
#define ADB_ADDR_APPLIANCE 7
|
#define ADB_ADDR_APPLIANCE 7
|
||||||
|
#define ADB_ADDR_8 8
|
||||||
|
#define ADB_ADDR_9 9
|
||||||
|
#define ADB_ADDR_10 10
|
||||||
|
#define ADB_ADDR_11 11
|
||||||
|
#define ADB_ADDR_12 12
|
||||||
|
#define ADB_ADDR_13 13
|
||||||
|
#define ADB_ADDR_14 14
|
||||||
|
#define ADB_ADDR_15 15
|
||||||
|
// for temporary purpose, do not use for polling
|
||||||
|
#define ADB_ADDR_TMP 15
|
||||||
|
#define ADB_ADDR_MOUSE_POLL 10
|
||||||
// Command Type
|
// Command Type
|
||||||
#define ADB_CMD_RESET 0
|
#define ADB_CMD_RESET 0
|
||||||
#define ADB_CMD_FLUSH 1
|
#define ADB_CMD_FLUSH 1
|
||||||
#define ADB_CMD_LISTEN 2
|
#define ADB_CMD_LISTEN 8
|
||||||
#define ADB_CMD_TALK 3
|
#define ADB_CMD_TALK 12
|
||||||
// Register
|
// Register
|
||||||
#define ADB_REG_0 0
|
#define ADB_REG_0 0
|
||||||
#define ADB_REG_1 1
|
#define ADB_REG_1 1
|
||||||
|
|
@ -76,16 +88,22 @@ POSSIBILITY OF SUCH DAMAGE.
|
||||||
#define ADB_HANDLER_M0115 0x02
|
#define ADB_HANDLER_M0115 0x02
|
||||||
#define ADB_HANDLER_M3501 0x02
|
#define ADB_HANDLER_M3501 0x02
|
||||||
#define ADB_HANDLER_M1242_ANSI 0x10
|
#define ADB_HANDLER_M1242_ANSI 0x10
|
||||||
#define ADB_HANDLER_EXTENDED_PROTOCOL 0x03
|
#define ADB_HANDLER_EXTENDED_KEYBOARD 0x03
|
||||||
|
#define ADB_HANDLER_CLASSIC1_MOUSE 0x01
|
||||||
|
#define ADB_HANDLER_CLASSIC2_MOUSE 0x02
|
||||||
|
#define ADB_HANDLER_EXTENDED_MOUSE 0x04
|
||||||
|
#define ADB_HANDLER_TURBO_MOUSE 0x32
|
||||||
|
|
||||||
|
|
||||||
// ADB host
|
// ADB host
|
||||||
void adb_host_init(void);
|
void adb_host_init(void);
|
||||||
bool adb_host_psw(void);
|
bool adb_host_psw(void);
|
||||||
uint16_t adb_host_kbd_recv(uint8_t addr);
|
uint16_t adb_host_kbd_recv(uint8_t addr);
|
||||||
uint16_t adb_host_mouse_recv(void);
|
|
||||||
uint16_t adb_host_talk(uint8_t addr, uint8_t reg);
|
uint16_t adb_host_talk(uint8_t addr, uint8_t reg);
|
||||||
|
uint8_t adb_host_talk_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len);
|
||||||
void adb_host_listen(uint8_t addr, uint8_t reg, uint8_t data_h, uint8_t data_l);
|
void adb_host_listen(uint8_t addr, uint8_t reg, uint8_t data_h, uint8_t data_l);
|
||||||
|
void adb_host_listen_buf(uint8_t addr, uint8_t reg, uint8_t *buf, uint8_t len);
|
||||||
|
void adb_host_flush(uint8_t addr);
|
||||||
void adb_host_kbd_led(uint8_t addr, uint8_t led);
|
void adb_host_kbd_led(uint8_t addr, uint8_t led);
|
||||||
void adb_mouse_task(void);
|
void adb_mouse_task(void);
|
||||||
void adb_mouse_init(void);
|
void adb_mouse_init(void);
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue