Jean-Philippe Brucker
HID-over-GATT implementation with the BLE API. This library allows to create devices such as mouse, keyboard or joystick, over Bluetooth Low Energy.
Dependents: BLENano_HID BLE_HID_MouseScrollDemo BLE_HID_KeyboardStreamDemo Shervs_TestKeyboard_TinyBLE ... more
The development repository is currently hosted on github. It contains examples and documentation. This is a snapshot of the library. The documentation can be read on github, or on docs.mbed.com.
Diff: MouseService.h
- Revision:
- 0:cfd70fa91663
- Child:
- 1:7a6c2e2c9371
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MouseService.h Tue Sep 15 20:16:58 2015 +0100
@@ -0,0 +1,111 @@
+#include "mbed.h"
+
+#include "HIDServiceBase.h"
+
+enum ButtonState
+{
+ BUTTON_UP,
+ BUTTON_DOWN
+};
+
+enum MouseButton
+{
+ MOUSE_BUTTON_LEFT = 0x1,
+ MOUSE_BUTTON_RIGHT = 0x2,
+ MOUSE_BUTTON_MIDDLE = 0x4,
+};
+
+report_map_t MOUSE_REPORT_MAP = {
+ USAGE_PAGE(1), 0x01, // Generic Desktop
+ USAGE(1), 0x02, // Mouse
+ COLLECTION(1), 0x01, // Application
+ USAGE(1), 0x01, // Pointer
+ COLLECTION(1), 0x00, // Physical
+ USAGE_PAGE(1), 0x09, // Buttons
+ USAGE_MINIMUM(1), 0x01,
+ USAGE_MAXIMUM(1), 0x03,
+ LOGICAL_MINIMUM(1), 0x00,
+ LOGICAL_MAXIMUM(1), 0x01,
+ REPORT_COUNT(1), 0x03, // 3 bits (Buttons)
+ REPORT_SIZE(1), 0x01,
+ INPUT(1), 0x02, // Data, Variable, Absolute
+ REPORT_COUNT(1), 0x01, // 5 bits (Padding)
+ REPORT_SIZE(1), 0x05,
+ INPUT(1), 0x01, // Constant
+ USAGE_PAGE(1), 0x01, // Generic Desktop
+ USAGE(1), 0x30, // X
+ USAGE(1), 0x31, // Y
+ USAGE(1), 0x38, // Wheel
+ LOGICAL_MINIMUM(1), 0x81, // -127
+ LOGICAL_MAXIMUM(1), 0x7f, // 127
+ REPORT_SIZE(1), 0x08, // Three bytes
+ REPORT_COUNT(1), 0x03,
+ INPUT(1), 0x06, // Data, Variable, Relative
+ END_COLLECTION(0),
+ END_COLLECTION(0),
+};
+
+uint8_t report[] = { 0, 0, 0, 0 };
+
+class MouseService: public HIDServiceBase
+{
+public:
+ MouseService(BLE &_ble) :
+ HIDServiceBase(_ble,
+ MOUSE_REPORT_MAP, sizeof(MOUSE_REPORT_MAP),
+ inputReport = report,
+ outputReport = NULL,
+ featureReport = NULL,
+ inputReportLength = sizeof(inputReport),
+ outputReportLength = 0,
+ featureReportLength = 0,
+ reportTickerDelay = 20),
+ buttonsState (0),
+ failedReports (0)
+ {
+ speed[0] = 0;
+ speed[1] = 0;
+ speed[2] = 0;
+
+ startReportTicker();
+ }
+
+ int setSpeed(int8_t x, int8_t y, int8_t wheel)
+ {
+ speed[0] = x;
+ speed[1] = y;
+ speed[2] = wheel;
+
+ return 0;
+ }
+
+ int setButton(MouseButton button, ButtonState state)
+ {
+ if (state == BUTTON_UP)
+ buttonsState &= ~(button);
+ else
+ buttonsState |= button;
+
+ return 0;
+ }
+
+ virtual void sendCallback(void) {
+ if (!connected)
+ return;
+
+ report[0] = buttonsState & 0x7;
+ report[1] = speed[0];
+ report[2] = speed[1];
+ report[3] = speed[2];
+
+ if (send(report))
+ failedReports++;
+ }
+
+protected:
+ uint8_t buttonsState;
+ uint8_t speed[3];
+
+public:
+ uint32_t failedReports;
+};