BitBoard / bit_board_James

back up of work during May 2019

Dependencies:   microbit

BLE_HID/JoystickService.h@1:c840c2b6f490, 2019-05-31 (annotated)

Committer:
xx316
Date:
Fri May 31 20:53:51 2019 +0000
Revision:
1:c840c2b6f490
This is the program for bit_board, an accessory developed by a group of Imperial EEE students for MicroBit. This is the first commit to backup the work in May 2019.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xx316 1:c840c2b6f490 1 /* mbed Microcontroller Library
xx316 1:c840c2b6f490 2 * Copyright (c) 2015 ARM Limited
xx316 1:c840c2b6f490 3 *
xx316 1:c840c2b6f490 4 * Licensed under the Apache License, Version 2.0 (the "License");
xx316 1:c840c2b6f490 5 * you may not use this file except in compliance with the License.
xx316 1:c840c2b6f490 6 * You may obtain a copy of the License at
xx316 1:c840c2b6f490 7 *
xx316 1:c840c2b6f490 8 * http://www.apache.org/licenses/LICENSE-2.0
xx316 1:c840c2b6f490 9 *
xx316 1:c840c2b6f490 10 * Unless required by applicable law or agreed to in writing, software
xx316 1:c840c2b6f490 11 * distributed under the License is distributed on an "AS IS" BASIS,
xx316 1:c840c2b6f490 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
xx316 1:c840c2b6f490 13 * See the License for the specific language governing permissions and
xx316 1:c840c2b6f490 14 * limitations under the License.
xx316 1:c840c2b6f490 15 */
xx316 1:c840c2b6f490 16
xx316 1:c840c2b6f490 17 #include "mbed.h"
xx316 1:c840c2b6f490 18
xx316 1:c840c2b6f490 19 #include "HIDServiceBase.h"
xx316 1:c840c2b6f490 20
xx316 1:c840c2b6f490 21 enum ButtonState
xx316 1:c840c2b6f490 22 {
xx316 1:c840c2b6f490 23 BUTTON_UP,
xx316 1:c840c2b6f490 24 BUTTON_DOWN
xx316 1:c840c2b6f490 25 };
xx316 1:c840c2b6f490 26
xx316 1:c840c2b6f490 27 enum JoystickButton
xx316 1:c840c2b6f490 28 {
xx316 1:c840c2b6f490 29 JOYSTICK_BUTTON_1 = 0x1,
xx316 1:c840c2b6f490 30 JOYSTICK_BUTTON_2 = 0x2,
xx316 1:c840c2b6f490 31 };
xx316 1:c840c2b6f490 32
xx316 1:c840c2b6f490 33 report_map_t JOYSTICK_REPORT_MAP = {
xx316 1:c840c2b6f490 34 USAGE_PAGE(1), 0x01, // Generic Desktop
xx316 1:c840c2b6f490 35 USAGE(1), 0x04, // Joystick
xx316 1:c840c2b6f490 36 COLLECTION(1), 0x01, // Application
xx316 1:c840c2b6f490 37 COLLECTION(1), 0x00, // Physical
xx316 1:c840c2b6f490 38 USAGE_PAGE(1), 0x09, // Buttons
xx316 1:c840c2b6f490 39 USAGE_MINIMUM(1), 0x01,
xx316 1:c840c2b6f490 40 USAGE_MAXIMUM(1), 0x03,
xx316 1:c840c2b6f490 41 LOGICAL_MINIMUM(1), 0x00,
xx316 1:c840c2b6f490 42 LOGICAL_MAXIMUM(1), 0x01,
xx316 1:c840c2b6f490 43 REPORT_COUNT(1), 0x03, // 2 bits (Buttons)
xx316 1:c840c2b6f490 44 REPORT_SIZE(1), 0x01,
xx316 1:c840c2b6f490 45 INPUT(1), 0x02, // Data, Variable, Absolute
xx316 1:c840c2b6f490 46 REPORT_COUNT(1), 0x01, // 6 bits (Padding)
xx316 1:c840c2b6f490 47 REPORT_SIZE(1), 0x05,
xx316 1:c840c2b6f490 48 INPUT(1), 0x01, // Constant
xx316 1:c840c2b6f490 49 USAGE_PAGE(1), 0x01, // Generic Desktop
xx316 1:c840c2b6f490 50 USAGE(1), 0x30, // X
xx316 1:c840c2b6f490 51 USAGE(1), 0x31, // Y
xx316 1:c840c2b6f490 52 USAGE(1), 0x32, // Z
xx316 1:c840c2b6f490 53 USAGE(1), 0x33, // Rx
xx316 1:c840c2b6f490 54 LOGICAL_MINIMUM(1), 0x81, // -127
xx316 1:c840c2b6f490 55 LOGICAL_MAXIMUM(1), 0x7f, // 127
xx316 1:c840c2b6f490 56 REPORT_SIZE(1), 0x08, // Three bytes
xx316 1:c840c2b6f490 57 REPORT_COUNT(1), 0x04,
xx316 1:c840c2b6f490 58 INPUT(1), 0x02, // Data, Variable, Absolute (unlike mouse)
xx316 1:c840c2b6f490 59 END_COLLECTION(0),
xx316 1:c840c2b6f490 60 END_COLLECTION(0),
xx316 1:c840c2b6f490 61 };
xx316 1:c840c2b6f490 62
xx316 1:c840c2b6f490 63 uint8_t report[] = { 0, 0, 0, 0, 0 };
xx316 1:c840c2b6f490 64
xx316 1:c840c2b6f490 65 class JoystickService: public HIDServiceBase
xx316 1:c840c2b6f490 66 {
xx316 1:c840c2b6f490 67 public:
xx316 1:c840c2b6f490 68 JoystickService(BLE &_ble) :
xx316 1:c840c2b6f490 69 HIDServiceBase(_ble,
xx316 1:c840c2b6f490 70 JOYSTICK_REPORT_MAP, sizeof(JOYSTICK_REPORT_MAP),
xx316 1:c840c2b6f490 71 inputReport = report,
xx316 1:c840c2b6f490 72 outputReport = NULL,
xx316 1:c840c2b6f490 73 featureReport = NULL,
xx316 1:c840c2b6f490 74 inputReportLength = sizeof(inputReport),
xx316 1:c840c2b6f490 75 outputReportLength = 0,
xx316 1:c840c2b6f490 76 featureReportLength = 0,
xx316 1:c840c2b6f490 77 reportTickerDelay = 20),
xx316 1:c840c2b6f490 78 buttonsState (0),
xx316 1:c840c2b6f490 79 failedReports (0)
xx316 1:c840c2b6f490 80 {
xx316 1:c840c2b6f490 81 speed[0] = 0;
xx316 1:c840c2b6f490 82 speed[1] = 0;
xx316 1:c840c2b6f490 83 speed[2] = 0;
xx316 1:c840c2b6f490 84 speed[3] = 0;
xx316 1:c840c2b6f490 85
xx316 1:c840c2b6f490 86 startReportTicker();
xx316 1:c840c2b6f490 87 }
xx316 1:c840c2b6f490 88
xx316 1:c840c2b6f490 89 int setSpeed(int8_t x, int8_t y, int8_t z)
xx316 1:c840c2b6f490 90 {
xx316 1:c840c2b6f490 91 speed[0] = x;
xx316 1:c840c2b6f490 92 speed[1] = y;
xx316 1:c840c2b6f490 93 speed[2] = z;
xx316 1:c840c2b6f490 94
xx316 1:c840c2b6f490 95 return 0;
xx316 1:c840c2b6f490 96 }
xx316 1:c840c2b6f490 97
xx316 1:c840c2b6f490 98 int setButton(JoystickButton button, ButtonState state)
xx316 1:c840c2b6f490 99 {
xx316 1:c840c2b6f490 100 if (state == BUTTON_UP)
xx316 1:c840c2b6f490 101 buttonsState &= ~(button);
xx316 1:c840c2b6f490 102 else
xx316 1:c840c2b6f490 103 buttonsState |= button;
xx316 1:c840c2b6f490 104
xx316 1:c840c2b6f490 105 return 0;
xx316 1:c840c2b6f490 106 }
xx316 1:c840c2b6f490 107
xx316 1:c840c2b6f490 108 virtual void sendCallback(void) {
xx316 1:c840c2b6f490 109 if (!connected)
xx316 1:c840c2b6f490 110 return;
xx316 1:c840c2b6f490 111
xx316 1:c840c2b6f490 112 report[0] = buttonsState & 0x7;
xx316 1:c840c2b6f490 113 report[1] = speed[0];
xx316 1:c840c2b6f490 114 report[2] = speed[1];
xx316 1:c840c2b6f490 115 report[3] = speed[2];
xx316 1:c840c2b6f490 116 report[4] = speed[3];
xx316 1:c840c2b6f490 117
xx316 1:c840c2b6f490 118 if (send(report))
xx316 1:c840c2b6f490 119 failedReports++;
xx316 1:c840c2b6f490 120 }
xx316 1:c840c2b6f490 121
xx316 1:c840c2b6f490 122 protected:
xx316 1:c840c2b6f490 123 uint8_t buttonsState;
xx316 1:c840c2b6f490 124 uint8_t speed[4];
xx316 1:c840c2b6f490 125
xx316 1:c840c2b6f490 126 public:
xx316 1:c840c2b6f490 127 uint32_t failedReports;
xx316 1:c840c2b6f490 128 };
xx316 1:c840c2b6f490 129