Diff: HID_devices/USBMouseKeyboard.c

Revision:

0:163560051396

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HID_devices/USBMouseKeyboard.c	Mon Oct 24 10:26:27 2011 +0000
@@ -0,0 +1,133 @@
+/* Keyboard_RelMouse.c */
+
+/* USB device example: Keyboard and a relative mouse */
+/* Copyright (c) 2011 ARM Limited. All rights reserved. */
+
+#include "stdint.h"
+
+#include "USBMouseKeyboard.h"
+
+uint8_t * USBMouseKeyboard::ReportDesc() {
+    static uint8_t reportDescriptor[] = {
+        /* Keyboard */
+        USAGE_PAGE(1),      0x01,
+        USAGE(1),           0x06,
+        COLLECTION(1),      0x01,
+        REPORT_ID(1),       REPORT_ID_KEYBOARD,
+        USAGE_PAGE(1),      0x07,
+        USAGE_MINIMUM(1),       0xE0,
+        USAGE_MAXIMUM(1),       0xE7,
+        LOGICAL_MINIMUM(1),     0x00,
+        LOGICAL_MAXIMUM(1),     0x01,
+        REPORT_SIZE(1),     0x01,
+        REPORT_COUNT(1),    0x08,
+        INPUT(1),           0x02,
+        REPORT_COUNT(1),    0x01,
+        REPORT_SIZE(1),     0x08,
+        INPUT(1),           0x01,
+        REPORT_COUNT(1),    0x05,
+        REPORT_SIZE(1),     0x01,
+        USAGE_PAGE(1),      0x08,
+        USAGE_MINIMUM(1),       0x01,
+        USAGE_MAXIMUM(1),       0x05,
+        OUTPUT(1),          0x02,
+        REPORT_COUNT(1),    0x01,
+        REPORT_SIZE(1),     0x03,
+        OUTPUT(1),          0x01,
+        REPORT_COUNT(1),    0x06,
+        REPORT_SIZE(1),     0x08,
+        LOGICAL_MINIMUM(1),     0x00,
+        LOGICAL_MAXIMUM(2),     0xff, 0x00,
+        USAGE_PAGE(1),      0x07,
+        USAGE_MINIMUM(1),       0x00,
+        USAGE_MAXIMUM(2),       0xff, 0x00,
+        INPUT(1),           0x00,
+        END_COLLECTION(0),
+
+        /* Mouse */
+        USAGE_PAGE(1),      0x01,           /* Generic Desktop */
+        USAGE(1),           0x02,           /* Mouse */
+        COLLECTION(1),      0x01,           /* Application*/
+        USAGE(1),           0x01,           /* Pointer */
+        COLLECTION(1),      0x00,           /* Physical */
+        REPORT_ID(1),       REPORT_ID_MOUSE,
+        REPORT_COUNT(1),    0x03,
+        REPORT_SIZE(1),     0x01,
+        USAGE_PAGE(1),      0x09,           /* Buttons */
+        USAGE_MINIMUM(1),       0x1,
+        USAGE_MAXIMUM(1),       0x3,
+        LOGICAL_MINIMUM(1),     0x00,
+        LOGICAL_MAXIMUM(1),     0x01,
+        INPUT(1),           0x02,
+        REPORT_COUNT(1),    0x01,
+        REPORT_SIZE(1),     0x05,
+        INPUT(1),           0x01,
+        REPORT_COUNT(1),    0x03,
+        REPORT_SIZE(1),     0x08,
+        USAGE_PAGE(1),      0x01,
+        USAGE(1),           0x30,           /* X */
+        USAGE(1),           0x31,           /* Y */
+        USAGE(1),           0x38,           /* scroll */
+        LOGICAL_MINIMUM(1),     0x81,
+        LOGICAL_MAXIMUM(1),     0x7f,
+        INPUT(1),           0x06,
+        END_COLLECTION(0),
+        END_COLLECTION(0),
+
+
+        USAGE_PAGE(1), 0x0c,                        /* USAGE_PAGE (Consumer Devices) */
+        USAGE(1), 0x01,                             /* USAGE (Consumer Control) */
+        COLLECTION(1), 0x01,                        /* COLLECTION (Application) */
+        REPORT_ID(1),       REPORT_ID_VOLUME,
+        LOGICAL_MINIMUM(1), 0x00,                   /*   LOGICAL_MINIMUM (0) */
+        LOGICAL_MAXIMUM(1), 0x01,                   /*   LOGICAL_MAXIMUM (1) */
+        USAGE(1), 0xe9,                             /*   Volume Up */
+        USAGE(1), 0xea,                             /*   Volume Down */
+        REPORT_SIZE(1), 0x01,
+        REPORT_COUNT(1), 0x02,
+        INPUT(1), 0x06,                             /*   INPUT (Data,Var,Rel) */
+        USAGE(1), 0xe2,                             /*   Mute */
+        REPORT_COUNT(1), 0x01,                      /*   REPORT_COUNT (1) */
+        INPUT(1), 0x06,                             /*   INPUT (Data,Var,Rel) */
+        REPORT_COUNT(1), 0x05,                      /*   REPORT_COUNT (5) */
+        INPUT(1), 0x07,                             /*   INPUT (Cnst,Var,Rel) */
+        END_COLLECTION(0),                          /* END_COLLECTION */
+    };
+    reportLength = sizeof(reportDescriptor);
+    return reportDescriptor;
+}
+
+
+bool USBMouseKeyboard::update(int16_t x, int16_t y, uint8_t button, int8_t z) {
+    while (x > 127) {
+        if (!mouseWrite(127, 0, button, z)) return false;
+        x = x - 127;
+    }
+    while (x < -128) {
+        if (!mouseWrite(-128, 0, button, z)) return false;
+        x = x + 128;
+    }
+    while (y > 127) {
+        if (!mouseWrite(0, 127, button, z)) return false;
+        y = y - 127;
+    }
+    while (y < -128) {
+        if (!mouseWrite(0, -128, button, z)) return false;
+        y = y + 128;
+    }
+    return mouseWrite(x, y, button, z);
+}
+
+bool USBMouseKeyboard::mouseWrite(int8_t x, int8_t y, uint8_t buttons, int8_t z) {
+    HID_REPORT report;
+
+    report.data[0] = REPORT_ID_MOUSE;
+    report.data[1] = buttons & 0x07;
+    report.data[2] = x;
+    report.data[3] = y;
+    report.data[4] = -z; /* >0 to scroll down, <0 to scroll up */
+
+    report.length = 5;
+
+    return USBClass_HID_sendInputReport(EPINT_IN, &report);
+}