keyboard/mbed_onekey/HIDKeyboard.cpp

   1 #include <stdint.h>
   2 #include "USBHID.h"
   3 #include "USBHID_Types.h"
   4 #include "USBDescriptor.h"
   5 #include "HIDKeyboard.h"
   6
   7 #define DEFAULT_CONFIGURATION (1)
   8
   9
  10 HIDKeyboard::HIDKeyboard(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release)
  11 {
  12     USBDevice::connect();
  13 }
  14
  15 bool HIDKeyboard::sendReport(report_keyboard_t report) {
  16     USBDevice::write(EP1IN, report.raw, sizeof(report), MAX_PACKET_SIZE_EP1);
  17     return true;
  18 }
  19
  20 bool HIDKeyboard::USBCallback_setConfiguration(uint8_t configuration) {
  21     if (configuration != DEFAULT_CONFIGURATION) {
  22         return false;
  23     }
  24
  25     // Configure endpoints > 0
  26     addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
  27     //addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
  28
  29     // We activate the endpoint to be able to recceive data
  30     //readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
  31     return true;
  32 }
  33
  34
  35 uint8_t * HIDKeyboard::stringImanufacturerDesc() {
  36     static uint8_t stringImanufacturerDescriptor[] = {
  37         0x18,                                            /*bLength*/
  38         STRING_DESCRIPTOR,                               /*bDescriptorType 0x03*/
  39         't',0,'m',0,'k',0,'-',0,'k',0,'b',0,'d',0,'.',0,'c',0,'o',0,'m',0   /*bString iManufacturer*/
  40     };
  41     return stringImanufacturerDescriptor;
  42 }
  43
  44 uint8_t * HIDKeyboard::stringIproductDesc() {
  45     static uint8_t stringIproductDescriptor[] = {
  46         0x0a,                                                       /*bLength*/
  47         STRING_DESCRIPTOR,                                          /*bDescriptorType 0x03*/
  48         'm',0,'b',0,'e',0,'d',0                                     /*bString iProduct*/
  49     };
  50     return stringIproductDescriptor;
  51 }
  52
  53 uint8_t * HIDKeyboard::stringIserialDesc() {
  54     static uint8_t stringIserialDescriptor[] = {
  55         0x04,                                                           /*bLength*/
  56         STRING_DESCRIPTOR,                                              /*bDescriptorType 0x03*/
  57         '0',0                                                           /*bString iSerial*/
  58     };
  59     return stringIserialDescriptor;
  60 }
  61
  62 uint8_t * HIDKeyboard::reportDesc() {
  63     static uint8_t reportDescriptor[] = {
  64         USAGE_PAGE(1), 0x01,                    // Generic Desktop
  65         USAGE(1), 0x06,                         // Keyboard
  66         COLLECTION(1), 0x01,                    // Application
  67
  68         USAGE_PAGE(1), 0x07,                    // Key Codes
  69         USAGE_MINIMUM(1), 0xE0,
  70         USAGE_MAXIMUM(1), 0xE7,
  71         LOGICAL_MINIMUM(1), 0x00,
  72         LOGICAL_MAXIMUM(1), 0x01,
  73         REPORT_SIZE(1), 0x01,
  74         REPORT_COUNT(1), 0x08,
  75         INPUT(1), 0x02,                         // Data, Variable, Absolute
  76
  77         REPORT_COUNT(1), 0x01,
  78         REPORT_SIZE(1), 0x08,
  79         INPUT(1), 0x01,                         // Constant
  80
  81         REPORT_COUNT(1), 0x05,
  82         REPORT_SIZE(1), 0x01,
  83         USAGE_PAGE(1), 0x08,                    // LEDs
  84         USAGE_MINIMUM(1), 0x01,
  85         USAGE_MAXIMUM(1), 0x05,
  86         OUTPUT(1), 0x02,                        // Data, Variable, Absolute
  87
  88         REPORT_COUNT(1), 0x01,
  89         REPORT_SIZE(1), 0x03,
  90         OUTPUT(1), 0x01,                        // Constant
  91
  92
  93         REPORT_COUNT(1), 0x06,
  94         REPORT_SIZE(1), 0x08,
  95         LOGICAL_MINIMUM(1), 0x00,
  96         LOGICAL_MAXIMUM(1), 0xFF,
  97         USAGE_PAGE(1), 0x07,                    // Key Codes
  98         USAGE_MINIMUM(1), 0x00,
  99         USAGE_MAXIMUM(1), 0xFF,
 100         INPUT(1), 0x00,                         // Data, Array
 101         END_COLLECTION(0),
 102     };
 103     reportLength = sizeof(reportDescriptor);
 104     return reportDescriptor;
 105 }
 106
 107 uint16_t HIDKeyboard::reportDescLength() {
 108     reportDesc();
 109     return reportLength;
 110 }
 111
 112 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
 113                                + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
 114                                + (1 * HID_DESCRIPTOR_LENGTH) \
 115                                + (1 * ENDPOINT_DESCRIPTOR_LENGTH))
 116 uint8_t * HIDKeyboard::configurationDesc() {
 117     static uint8_t configurationDescriptor[] = {
 118         CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
 119         CONFIGURATION_DESCRIPTOR,       // bDescriptorType
 120         LSB(TOTAL_DESCRIPTOR_LENGTH),   // wTotalLength (LSB)
 121         MSB(TOTAL_DESCRIPTOR_LENGTH),   // wTotalLength (MSB)
 122         0x01,                           // bNumInterfaces
 123         DEFAULT_CONFIGURATION,          // bConfigurationValue
 124         0x00,                           // iConfiguration
 125         C_RESERVED | C_REMOTE_WAKEUP,   // bmAttributes
 126         C_POWER(100),                   // bMaxPowerHello World from Mbed
 127
 128         INTERFACE_DESCRIPTOR_LENGTH,    // bLength
 129         INTERFACE_DESCRIPTOR,           // bDescriptorType
 130         0x00,                           // bInterfaceNumber
 131         0x00,                           // bAlternateSetting
 132         0x01,                           // bNumEndpoints
 133         HID_CLASS,                      // bInterfaceClass
 134         1,                              // bInterfaceSubClass (boot)
 135         1,                              // bInterfaceProtocol (keyboard)
 136         0x00,                           // iInterface
 137
 138         HID_DESCRIPTOR_LENGTH,          // bLength
 139         HID_DESCRIPTOR,                 // bDescriptorType
 140         LSB(HID_VERSION_1_11),          // bcdHID (LSB)
 141         MSB(HID_VERSION_1_11),          // bcdHID (MSB)
 142         0x00,                           // bCountryCode
 143         0x01,                           // bNumDescriptors
 144         REPORT_DESCRIPTOR,              // bDescriptorType
 145         (uint8_t)(LSB(reportDescLength())),  // wDescriptorLength (LSB)
 146         (uint8_t)(MSB(reportDescLength())),  // wDescriptorLength (MSB)
 147
 148         ENDPOINT_DESCRIPTOR_LENGTH,     // bLength
 149         ENDPOINT_DESCRIPTOR,            // bDescriptorType
 150         PHY_TO_DESC(EP1IN),             // bEndpointAddress
 151         E_INTERRUPT,                    // bmAttributes
 152         LSB(MAX_PACKET_SIZE_EPINT),     // wMaxPacketSize (LSB)
 153         MSB(MAX_PACKET_SIZE_EPINT),     // wMaxPacketSize (MSB)
 154         1,                           // bInterval (milliseconds)
 155     };
 156     return configurationDescriptor;
 157 }
 158
 159 #if 0
 160 uint8_t * HIDKeyboard::deviceDesc() {
 161     static uint8_t deviceDescriptor[] = {
 162         DEVICE_DESCRIPTOR_LENGTH,       /* bLength */
 163         DEVICE_DESCRIPTOR,              /* bDescriptorType */
 164         LSB(USB_VERSION_2_0),           /* bcdUSB (LSB) */
 165         MSB(USB_VERSION_2_0),           /* bcdUSB (MSB) */
 166         0x00,                           /* bDeviceClass */
 167         0x00,                           /* bDeviceSubClass */
 168         0x00,                           /* bDeviceprotocol */
 169         MAX_PACKET_SIZE_EP0,            /* bMaxPacketSize0 */
 170         (uint8_t)(LSB(0xfeed)),                 /* idVendor (LSB) */
 171         (uint8_t)(MSB(0xfeed)),                 /* idVendor (MSB) */
 172         (uint8_t)(LSB(0x1bed)),                /* idProduct (LSB) */
 173         (uint8_t)(MSB(0x1bed)),                /* idProduct (MSB) */
 174         (uint8_t)(LSB(0x0002)),           /* bcdDevice (LSB) */
 175         (uint8_t)(MSB(0x0002)),           /* bcdDevice (MSB) */
 176         0,    /* iManufacturer */
 177         0,         /* iProduct */
 178         0,          /* iSerialNumber */
 179         0x01                            /* bNumConfigurations */
 180     };
 181     return deviceDescriptor;
 182 }
 183 #endif
 184
 185 bool HIDKeyboard::USBCallback_request() {
 186     bool success = false;
 187     CONTROL_TRANSFER * transfer = getTransferPtr();
 188     uint8_t *hidDescriptor;
 189
 190     // Process additional standard requests
 191
 192     if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE))
 193     {
 194         switch (transfer->setup.bRequest)
 195         {
 196             case GET_DESCRIPTOR:
 197                 switch (DESCRIPTOR_TYPE(transfer->setup.wValue))
 198                 {
 199                     case REPORT_DESCRIPTOR:
 200                         if ((reportDesc() != NULL) \
 201                             && (reportDescLength() != 0))
 202                         {
 203                             transfer->remaining = reportDescLength();
 204                             transfer->ptr = reportDesc();
 205                             transfer->direction = DEVICE_TO_HOST;
 206                             success = true;
 207                         }
 208                         break;
 209                     case HID_DESCRIPTOR:
 210                             // Find the HID descriptor, after the configuration descriptor
 211                             hidDescriptor = findDescriptor(HID_DESCRIPTOR);
 212                             if (hidDescriptor != NULL)
 213                             {
 214                                 transfer->remaining = HID_DESCRIPTOR_LENGTH;
 215                                 transfer->ptr = hidDescriptor;
 216                                 transfer->direction = DEVICE_TO_HOST;
 217                                 success = true;
 218                             }
 219                             break;
 220
 221                     default:
 222                         break;
 223                 }
 224                 break;
 225             default:
 226                 break;
 227         }
 228     }
 229
 230     // Process class-specific requests
 231 /*
 232     if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
 233     {
 234         switch (transfer->setup.bRequest)
 235         {
 236              case SET_REPORT:
 237                 // First byte will be used for report ID
 238                 //outputReport.data[0] = transfer->setup.wValue & 0xff;
 239                 //outputReport.length = transfer->setup.wLength + 1;
 240                 outputReport.length = transfer->setup.wLength;
 241
 242                 //transfer->remaining = sizeof(outputReport.data) - 1;
 243                 //transfer->ptr = &outputReport.data[1];
 244                 transfer->remaining = sizeof(outputReport.data);
 245                 transfer->ptr = &outputReport.data[0];
 246                 transfer->direction = HOST_TO_DEVICE;
 247                 transfer->notify = true;
 248                 success = true;
 249             default:
 250                 break;
 251         }
 252     }
 253 */
 254
 255     return success;
 256 }