+/* Teensyduino Core Library
+ * http://www.pjrc.com/teensy/
+ * Copyright (c) 2013 PJRC.COM, LLC.
+ * Modified by Jacob Alexander (2015)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 2. If the Software is incorporated into a build system that allows
+ * selection among a list of target devices, then similar target
+ * devices manufactured by PJRC.COM must be included in the list of
+ * target devices and selectable in the same manner.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+// ----- Includes -----
+
+// Compiler Includes
+#include <string.h> // for memcpy()
+
+// Project Includes
+#include <Lib/OutputLib.h>
+#include <print.h>
+
+// Local Includes
+#include "usb_dev.h"
+#include "usb_mouse.h"
+
+
+
+// ----- Defines -----
+
+// Maximum number of transmit packets to queue so we don't starve other endpoints for memory
+#define TX_PACKET_LIMIT 3
+
+// When the PC isn't listening, how long do we wait before discarding data?
+#define TX_TIMEOUT_MSEC 30
+
+#if F_CPU == 168000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 1100)
+#elif F_CPU == 144000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 932)
+#elif F_CPU == 120000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 764)
+#elif F_CPU == 96000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 596)
+#elif F_CPU == 72000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 512)
+#elif F_CPU == 48000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 428)
+#elif F_CPU == 24000000
+ #define TX_TIMEOUT (TX_TIMEOUT_MSEC * 262)
+#endif
+
+//#define DEFAULT_XRES 640
+//#define DEFAULT_YRES 480
+
+//#define DEFAULT_XRES 800
+//#define DEFAULT_YRES 600
+
+//#define DEFAULT_XRES 1024
+//#define DEFAULT_YRES 768
+
+//#define DEFAULT_XRES 1280
+//#define DEFAULT_YRES 720
+
+//#define DEFAULT_XRES 1280
+//#define DEFAULT_YRES 800
+
+#define DEFAULT_XRES 1366
+#define DEFAULT_YRES 768
+
+//#define DEFAULT_XRES 1440
+//#define DEFAULT_YRES 900
+
+//#define DEFAULT_XRES 1920
+//#define DEFAULT_YRES 1080
+
+//#define DEFAULT_XRES 2560
+//#define DEFAULT_YRES 1440
+
+//#define DEFAULT_XRES 2560
+//#define DEFAULT_YRES 1600
+
+//#define DEFAULT_XRES 2880
+//#define DEFAULT_YRES 1800
+
+//#define DEFAULT_XRES 3840
+//#define DEFAULT_YRES 2160
+
+//#define DEFAULT_XRES 7680
+//#define DEFAULT_YRES 4320
+
+
+#define DEFAULT_XSCALE ((0x80000000ul+DEFAULT_XRES/2)/DEFAULT_XRES)
+#define DEFAULT_YSCALE ((0x80000000ul+DEFAULT_YRES/2)/DEFAULT_YRES)
+
+
+
+// ----- Variables -----
+
+// which buttons are currently pressed
+uint8_t usb_mouse_buttons_state=0;
+
+static uint16_t usb_mouse_resolution_x=DEFAULT_XRES;
+static uint16_t usb_mouse_resolution_y=DEFAULT_YRES;
+static uint16_t usb_mouse_position_x=DEFAULT_XRES/2;
+static uint16_t usb_mouse_position_y=DEFAULT_YRES/2;
+static uint32_t usb_mouse_scale_x=DEFAULT_XSCALE;
+static uint32_t usb_mouse_scale_y=DEFAULT_YSCALE;
+static uint32_t usb_mouse_offset_x=DEFAULT_XSCALE/2-1;
+static uint32_t usb_mouse_offset_y=DEFAULT_YSCALE/2-1;
+
+
+
+// ----- Functions -----
+
+// Set the mouse buttons. To create a "click", 2 calls are needed,
+// one to push the button down and the second to release it
+int usb_mouse_buttons(uint8_t left, uint8_t middle, uint8_t right)
+{
+ uint8_t mask=0;
+
+ if (left) mask |= 1;
+ if (middle) mask |= 4;
+ if (right) mask |= 2;
+ usb_mouse_buttons_state = mask;
+ return usb_mouse_move(0, 0, 0);
+}
+
+
+static uint8_t transmit_previous_timeout=0;
+
+// Move the mouse. x, y and wheel are -127 to 127. Use 0 for no movement.
+int usb_mouse_move(int8_t x, int8_t y, int8_t wheel)
+{
+ uint32_t wait_count=0;
+ usb_packet_t *tx_packet;
+
+ //serial_print("move");
+ //serial_print("\n");
+ if (x == -128) x = -127;
+ if (y == -128) y = -127;
+ if (wheel == -128) wheel = -127;
+
+ while (1) {
+ if (!usb_configuration) {
+ return -1;
+ }
+ if (usb_tx_packet_count(MOUSE_ENDPOINT) < TX_PACKET_LIMIT) {
+ tx_packet = usb_malloc();
+ if (tx_packet) break;
+ }
+ if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
+ transmit_previous_timeout = 1;
+ return -1;
+ }
+ yield();
+ }
+ transmit_previous_timeout = 0;
+ *(tx_packet->buf + 0) = 1;
+ *(tx_packet->buf + 1) = usb_mouse_buttons_state;
+ *(tx_packet->buf + 2) = x;
+ *(tx_packet->buf + 3) = y;
+ *(tx_packet->buf + 4) = wheel;
+ tx_packet->len = 5;
+ usb_tx(MOUSE_ENDPOINT, tx_packet);
+ return 0;
+}
+
+int usb_mouse_position(uint16_t x, uint16_t y)
+{
+ uint32_t wait_count=0, val32;
+ usb_packet_t *tx_packet;
+
+ if (x >= usb_mouse_resolution_x) x = usb_mouse_resolution_x - 1;
+ usb_mouse_position_x = x;
+ if (y >= usb_mouse_resolution_y) y = usb_mouse_resolution_y - 1;
+ usb_mouse_position_y = y;
+
+ while (1) {
+ if (!usb_configuration) {
+ return -1;
+ }
+ if (usb_tx_packet_count(MOUSE_ENDPOINT) < TX_PACKET_LIMIT) {
+ tx_packet = usb_malloc();
+ if (tx_packet) break;
+ }
+ if (++wait_count > TX_TIMEOUT || transmit_previous_timeout) {
+ transmit_previous_timeout = 1;
+ return -1;
+ }
+ yield();
+ }
+ transmit_previous_timeout = 0;
+ *(tx_packet->buf + 0) = 2;
+ val32 = usb_mouse_position_x * usb_mouse_scale_x + usb_mouse_offset_x;
+ //serial_print("position:");
+ //serial_phex16(usb_mouse_position_x);
+ //serial_print("->");
+ //serial_phex32(val32);
+ *(tx_packet->buf + 1) = val32 >> 16;
+ *(tx_packet->buf + 2) = val32 >> 24;
+ val32 = usb_mouse_position_y * usb_mouse_scale_y + usb_mouse_offset_y;
+ //serial_print(",");
+ //serial_phex16(usb_mouse_position_y);
+ //serial_print("->");
+ //serial_phex32(val32);
+ //serial_print("\n");
+ *(tx_packet->buf + 3) = val32 >> 16;
+ *(tx_packet->buf + 4) = val32 >> 24;
+ tx_packet->len = 5;
+ usb_tx(MOUSE_ENDPOINT, tx_packet);
+ return 0;
+}
+
+void usb_mouse_screen_size(uint16_t width, uint16_t height, uint8_t mac)
+{
+ if (width < 128) width = 128;
+ else if (width > 7680) width = 7680;
+ if (height < 128) height = 128;
+ else if (height > 7680) height = 7680;
+ usb_mouse_resolution_x = width;
+ usb_mouse_resolution_y = height;
+ usb_mouse_position_x = width / 2;
+ usb_mouse_position_y = height / 2;
+ usb_mouse_scale_x = (0x80000000ul + (width >> 1)) / width;
+ usb_mouse_scale_y = (0x80000000ul + (height >> 1)) / height;
+ usb_mouse_offset_x = (usb_mouse_scale_x >> 1) - 1;
+ usb_mouse_offset_y = (usb_mouse_scale_y >> 1) - 1;
+ if (mac) {
+ // ugly workaround for Mac's HID coordinate scaling:
+ // http://lists.apple.com/archives/usb/2011/Jun/msg00032.html
+ usb_mouse_offset_x += 161061273ul;
+ usb_mouse_offset_y += 161061273ul;
+ usb_mouse_scale_x = (1825361101ul + (width >> 1)) / width;
+ usb_mouse_scale_y = (1825361101ul + (height >> 1)) / height;
+ }
+}
+
projects / kiibohd-controller.git / commitdiff