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Dependencies:   mbed

USBDevice_copy/USBHID/USBHID.cpp@22:5c07298d3383, 2019-08-26 (annotated)

Committer:
lucaslwl
Date:
Mon Aug 26 08:11:41 2019 +0000
Revision:
22:5c07298d3383
add library folder

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lucaslwl 22:5c07298d3383 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
lucaslwl 22:5c07298d3383 2 *
lucaslwl 22:5c07298d3383 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
lucaslwl 22:5c07298d3383 4 * and associated documentation files (the "Software"), to deal in the Software without
lucaslwl 22:5c07298d3383 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
lucaslwl 22:5c07298d3383 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
lucaslwl 22:5c07298d3383 7 * Software is furnished to do so, subject to the following conditions:
lucaslwl 22:5c07298d3383 8 *
lucaslwl 22:5c07298d3383 9 * The above copyright notice and this permission notice shall be included in all copies or
lucaslwl 22:5c07298d3383 10 * substantial portions of the Software.
lucaslwl 22:5c07298d3383 11 *
lucaslwl 22:5c07298d3383 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
lucaslwl 22:5c07298d3383 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
lucaslwl 22:5c07298d3383 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
lucaslwl 22:5c07298d3383 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lucaslwl 22:5c07298d3383 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
lucaslwl 22:5c07298d3383 17 */
lucaslwl 22:5c07298d3383 18
lucaslwl 22:5c07298d3383 19 #include "stdint.h"
lucaslwl 22:5c07298d3383 20 #include "USBHAL.h"
lucaslwl 22:5c07298d3383 21 #include "USBHID.h"
lucaslwl 22:5c07298d3383 22
lucaslwl 22:5c07298d3383 23
lucaslwl 22:5c07298d3383 24 USBHID::USBHID(uint8_t output_report_length, uint8_t input_report_length, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect): USBDevice(vendor_id, product_id, product_release)
lucaslwl 22:5c07298d3383 25 {
lucaslwl 22:5c07298d3383 26 output_length = output_report_length;
lucaslwl 22:5c07298d3383 27 input_length = input_report_length;
lucaslwl 22:5c07298d3383 28 if(connect) {
lucaslwl 22:5c07298d3383 29 USBDevice::connect();
lucaslwl 22:5c07298d3383 30 }
lucaslwl 22:5c07298d3383 31 }
lucaslwl 22:5c07298d3383 32
lucaslwl 22:5c07298d3383 33
lucaslwl 22:5c07298d3383 34 bool USBHID::send(HID_REPORT *report)
lucaslwl 22:5c07298d3383 35 {
lucaslwl 22:5c07298d3383 36 return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
lucaslwl 22:5c07298d3383 37 }
lucaslwl 22:5c07298d3383 38
lucaslwl 22:5c07298d3383 39 bool USBHID::sendNB(HID_REPORT *report)
lucaslwl 22:5c07298d3383 40 {
lucaslwl 22:5c07298d3383 41 return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
lucaslwl 22:5c07298d3383 42 }
lucaslwl 22:5c07298d3383 43
lucaslwl 22:5c07298d3383 44
lucaslwl 22:5c07298d3383 45 bool USBHID::read(HID_REPORT *report)
lucaslwl 22:5c07298d3383 46 {
lucaslwl 22:5c07298d3383 47 uint32_t bytesRead = 0;
lucaslwl 22:5c07298d3383 48 bool result;
lucaslwl 22:5c07298d3383 49 result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
lucaslwl 22:5c07298d3383 50 if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
lucaslwl 22:5c07298d3383 51 return false;
lucaslwl 22:5c07298d3383 52 report->length = bytesRead;
lucaslwl 22:5c07298d3383 53 return result;
lucaslwl 22:5c07298d3383 54 }
lucaslwl 22:5c07298d3383 55
lucaslwl 22:5c07298d3383 56
lucaslwl 22:5c07298d3383 57 bool USBHID::readNB(HID_REPORT *report)
lucaslwl 22:5c07298d3383 58 {
lucaslwl 22:5c07298d3383 59 uint32_t bytesRead = 0;
lucaslwl 22:5c07298d3383 60 bool result;
lucaslwl 22:5c07298d3383 61 result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
lucaslwl 22:5c07298d3383 62 // if readEP_NB did not succeed, does not issue a readStart
lucaslwl 22:5c07298d3383 63 if (!result)
lucaslwl 22:5c07298d3383 64 return false;
lucaslwl 22:5c07298d3383 65 report->length = bytesRead;
lucaslwl 22:5c07298d3383 66 if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
lucaslwl 22:5c07298d3383 67 return false;
lucaslwl 22:5c07298d3383 68 return result;
lucaslwl 22:5c07298d3383 69 }
lucaslwl 22:5c07298d3383 70
lucaslwl 22:5c07298d3383 71
lucaslwl 22:5c07298d3383 72 uint16_t USBHID::reportDescLength() {
lucaslwl 22:5c07298d3383 73 reportDesc();
lucaslwl 22:5c07298d3383 74 return reportLength;
lucaslwl 22:5c07298d3383 75 }
lucaslwl 22:5c07298d3383 76
lucaslwl 22:5c07298d3383 77
lucaslwl 22:5c07298d3383 78
lucaslwl 22:5c07298d3383 79 //
lucaslwl 22:5c07298d3383 80 // Route callbacks from lower layers to class(es)
lucaslwl 22:5c07298d3383 81 //
lucaslwl 22:5c07298d3383 82
lucaslwl 22:5c07298d3383 83
lucaslwl 22:5c07298d3383 84 // Called in ISR context
lucaslwl 22:5c07298d3383 85 // Called by USBDevice on Endpoint0 request
lucaslwl 22:5c07298d3383 86 // This is used to handle extensions to standard requests
lucaslwl 22:5c07298d3383 87 // and class specific requests
lucaslwl 22:5c07298d3383 88 // Return true if class handles this request
lucaslwl 22:5c07298d3383 89 bool USBHID::USBCallback_request() {
lucaslwl 22:5c07298d3383 90 bool success = false;
lucaslwl 22:5c07298d3383 91 CONTROL_TRANSFER * transfer = getTransferPtr();
lucaslwl 22:5c07298d3383 92 uint8_t *hidDescriptor;
lucaslwl 22:5c07298d3383 93
lucaslwl 22:5c07298d3383 94 // Process additional standard requests
lucaslwl 22:5c07298d3383 95
lucaslwl 22:5c07298d3383 96 if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE))
lucaslwl 22:5c07298d3383 97 {
lucaslwl 22:5c07298d3383 98 switch (transfer->setup.bRequest)
lucaslwl 22:5c07298d3383 99 {
lucaslwl 22:5c07298d3383 100 case GET_DESCRIPTOR:
lucaslwl 22:5c07298d3383 101 switch (DESCRIPTOR_TYPE(transfer->setup.wValue))
lucaslwl 22:5c07298d3383 102 {
lucaslwl 22:5c07298d3383 103 case REPORT_DESCRIPTOR:
lucaslwl 22:5c07298d3383 104 if ((reportDesc() != NULL) \
lucaslwl 22:5c07298d3383 105 && (reportDescLength() != 0))
lucaslwl 22:5c07298d3383 106 {
lucaslwl 22:5c07298d3383 107 transfer->remaining = reportDescLength();
lucaslwl 22:5c07298d3383 108 transfer->ptr = reportDesc();
lucaslwl 22:5c07298d3383 109 transfer->direction = DEVICE_TO_HOST;
lucaslwl 22:5c07298d3383 110 success = true;
lucaslwl 22:5c07298d3383 111 }
lucaslwl 22:5c07298d3383 112 break;
lucaslwl 22:5c07298d3383 113 case HID_DESCRIPTOR:
lucaslwl 22:5c07298d3383 114 // Find the HID descriptor, after the configuration descriptor
lucaslwl 22:5c07298d3383 115 hidDescriptor = findDescriptor(HID_DESCRIPTOR);
lucaslwl 22:5c07298d3383 116 if (hidDescriptor != NULL)
lucaslwl 22:5c07298d3383 117 {
lucaslwl 22:5c07298d3383 118 transfer->remaining = HID_DESCRIPTOR_LENGTH;
lucaslwl 22:5c07298d3383 119 transfer->ptr = hidDescriptor;
lucaslwl 22:5c07298d3383 120 transfer->direction = DEVICE_TO_HOST;
lucaslwl 22:5c07298d3383 121 success = true;
lucaslwl 22:5c07298d3383 122 }
lucaslwl 22:5c07298d3383 123 break;
lucaslwl 22:5c07298d3383 124
lucaslwl 22:5c07298d3383 125 default:
lucaslwl 22:5c07298d3383 126 break;
lucaslwl 22:5c07298d3383 127 }
lucaslwl 22:5c07298d3383 128 break;
lucaslwl 22:5c07298d3383 129 default:
lucaslwl 22:5c07298d3383 130 break;
lucaslwl 22:5c07298d3383 131 }
lucaslwl 22:5c07298d3383 132 }
lucaslwl 22:5c07298d3383 133
lucaslwl 22:5c07298d3383 134 // Process class-specific requests
lucaslwl 22:5c07298d3383 135
lucaslwl 22:5c07298d3383 136 if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
lucaslwl 22:5c07298d3383 137 {
lucaslwl 22:5c07298d3383 138 switch (transfer->setup.bRequest)
lucaslwl 22:5c07298d3383 139 {
lucaslwl 22:5c07298d3383 140 case SET_REPORT:
lucaslwl 22:5c07298d3383 141 // First byte will be used for report ID
lucaslwl 22:5c07298d3383 142 outputReport.data[0] = transfer->setup.wValue & 0xff;
lucaslwl 22:5c07298d3383 143 outputReport.length = transfer->setup.wLength + 1;
lucaslwl 22:5c07298d3383 144
lucaslwl 22:5c07298d3383 145 transfer->remaining = sizeof(outputReport.data) - 1;
lucaslwl 22:5c07298d3383 146 transfer->ptr = &outputReport.data[1];
lucaslwl 22:5c07298d3383 147 transfer->direction = HOST_TO_DEVICE;
lucaslwl 22:5c07298d3383 148 transfer->notify = true;
lucaslwl 22:5c07298d3383 149 success = true;
lucaslwl 22:5c07298d3383 150 default:
lucaslwl 22:5c07298d3383 151 break;
lucaslwl 22:5c07298d3383 152 }
lucaslwl 22:5c07298d3383 153 }
lucaslwl 22:5c07298d3383 154
lucaslwl 22:5c07298d3383 155 return success;
lucaslwl 22:5c07298d3383 156 }
lucaslwl 22:5c07298d3383 157
lucaslwl 22:5c07298d3383 158
lucaslwl 22:5c07298d3383 159 #define DEFAULT_CONFIGURATION (1)
lucaslwl 22:5c07298d3383 160
lucaslwl 22:5c07298d3383 161
lucaslwl 22:5c07298d3383 162 // Called in ISR context
lucaslwl 22:5c07298d3383 163 // Set configuration. Return false if the
lucaslwl 22:5c07298d3383 164 // configuration is not supported
lucaslwl 22:5c07298d3383 165 bool USBHID::USBCallback_setConfiguration(uint8_t configuration) {
lucaslwl 22:5c07298d3383 166 if (configuration != DEFAULT_CONFIGURATION) {
lucaslwl 22:5c07298d3383 167 return false;
lucaslwl 22:5c07298d3383 168 }
lucaslwl 22:5c07298d3383 169
lucaslwl 22:5c07298d3383 170 // Configure endpoints > 0
lucaslwl 22:5c07298d3383 171 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
lucaslwl 22:5c07298d3383 172 addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
lucaslwl 22:5c07298d3383 173
lucaslwl 22:5c07298d3383 174 // We activate the endpoint to be able to recceive data
lucaslwl 22:5c07298d3383 175 readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
lucaslwl 22:5c07298d3383 176 return true;
lucaslwl 22:5c07298d3383 177 }
lucaslwl 22:5c07298d3383 178
lucaslwl 22:5c07298d3383 179
lucaslwl 22:5c07298d3383 180 uint8_t * USBHID::stringIinterfaceDesc() {
lucaslwl 22:5c07298d3383 181 static uint8_t stringIinterfaceDescriptor[] = {
lucaslwl 22:5c07298d3383 182 0x08, //bLength
lucaslwl 22:5c07298d3383 183 STRING_DESCRIPTOR, //bDescriptorType 0x03
lucaslwl 22:5c07298d3383 184 'H',0,'I',0,'D',0, //bString iInterface - HID
lucaslwl 22:5c07298d3383 185 };
lucaslwl 22:5c07298d3383 186 return stringIinterfaceDescriptor;
lucaslwl 22:5c07298d3383 187 }
lucaslwl 22:5c07298d3383 188
lucaslwl 22:5c07298d3383 189 uint8_t * USBHID::stringIproductDesc() {
lucaslwl 22:5c07298d3383 190 static uint8_t stringIproductDescriptor[] = {
lucaslwl 22:5c07298d3383 191 0x16, //bLength
lucaslwl 22:5c07298d3383 192 STRING_DESCRIPTOR, //bDescriptorType 0x03
lucaslwl 22:5c07298d3383 193 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device
lucaslwl 22:5c07298d3383 194 };
lucaslwl 22:5c07298d3383 195 return stringIproductDescriptor;
lucaslwl 22:5c07298d3383 196 }
lucaslwl 22:5c07298d3383 197
lucaslwl 22:5c07298d3383 198
lucaslwl 22:5c07298d3383 199
lucaslwl 22:5c07298d3383 200 uint8_t * USBHID::reportDesc() {
lucaslwl 22:5c07298d3383 201 static uint8_t reportDescriptor[] = {
lucaslwl 22:5c07298d3383 202 0x06, LSB(0xFFAB), MSB(0xFFAB),
lucaslwl 22:5c07298d3383 203 0x0A, LSB(0x0200), MSB(0x0200),
lucaslwl 22:5c07298d3383 204 0xA1, 0x01, // Collection 0x01
lucaslwl 22:5c07298d3383 205 0x75, 0x08, // report size = 8 bits
lucaslwl 22:5c07298d3383 206 0x15, 0x00, // logical minimum = 0
lucaslwl 22:5c07298d3383 207 0x26, 0xFF, 0x00, // logical maximum = 255
lucaslwl 22:5c07298d3383 208 0x95, input_length, // report count
lucaslwl 22:5c07298d3383 209 0x09, 0x01, // usage
lucaslwl 22:5c07298d3383 210 0x81, 0x02, // Input (array)
lucaslwl 22:5c07298d3383 211 0x95, output_length,// report count
lucaslwl 22:5c07298d3383 212 0x09, 0x02, // usage
lucaslwl 22:5c07298d3383 213 0x91, 0x02, // Output (array)
lucaslwl 22:5c07298d3383 214 0xC0 // end collection
lucaslwl 22:5c07298d3383 215
lucaslwl 22:5c07298d3383 216 };
lucaslwl 22:5c07298d3383 217 reportLength = sizeof(reportDescriptor);
lucaslwl 22:5c07298d3383 218 return reportDescriptor;
lucaslwl 22:5c07298d3383 219 }
lucaslwl 22:5c07298d3383 220
lucaslwl 22:5c07298d3383 221 #define DEFAULT_CONFIGURATION (1)
lucaslwl 22:5c07298d3383 222 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
lucaslwl 22:5c07298d3383 223 + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
lucaslwl 22:5c07298d3383 224 + (1 * HID_DESCRIPTOR_LENGTH) \
lucaslwl 22:5c07298d3383 225 + (2 * ENDPOINT_DESCRIPTOR_LENGTH))
lucaslwl 22:5c07298d3383 226
lucaslwl 22:5c07298d3383 227 uint8_t * USBHID::configurationDesc() {
lucaslwl 22:5c07298d3383 228 static uint8_t configurationDescriptor[] = {
lucaslwl 22:5c07298d3383 229 CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
lucaslwl 22:5c07298d3383 230 CONFIGURATION_DESCRIPTOR, // bDescriptorType
lucaslwl 22:5c07298d3383 231 LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
lucaslwl 22:5c07298d3383 232 MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
lucaslwl 22:5c07298d3383 233 0x01, // bNumInterfaces
lucaslwl 22:5c07298d3383 234 DEFAULT_CONFIGURATION, // bConfigurationValue
lucaslwl 22:5c07298d3383 235 0x00, // iConfiguration
lucaslwl 22:5c07298d3383 236 C_RESERVED | C_SELF_POWERED, // bmAttributes
lucaslwl 22:5c07298d3383 237 C_POWER(0), // bMaxPower
lucaslwl 22:5c07298d3383 238
lucaslwl 22:5c07298d3383 239 INTERFACE_DESCRIPTOR_LENGTH, // bLength
lucaslwl 22:5c07298d3383 240 INTERFACE_DESCRIPTOR, // bDescriptorType
lucaslwl 22:5c07298d3383 241 0x00, // bInterfaceNumber
lucaslwl 22:5c07298d3383 242 0x00, // bAlternateSetting
lucaslwl 22:5c07298d3383 243 0x02, // bNumEndpoints
lucaslwl 22:5c07298d3383 244 HID_CLASS, // bInterfaceClass
lucaslwl 22:5c07298d3383 245 HID_SUBCLASS_NONE, // bInterfaceSubClass
lucaslwl 22:5c07298d3383 246 HID_PROTOCOL_NONE, // bInterfaceProtocol
lucaslwl 22:5c07298d3383 247 0x00, // iInterface
lucaslwl 22:5c07298d3383 248
lucaslwl 22:5c07298d3383 249 HID_DESCRIPTOR_LENGTH, // bLength
lucaslwl 22:5c07298d3383 250 HID_DESCRIPTOR, // bDescriptorType
lucaslwl 22:5c07298d3383 251 LSB(HID_VERSION_1_11), // bcdHID (LSB)
lucaslwl 22:5c07298d3383 252 MSB(HID_VERSION_1_11), // bcdHID (MSB)
lucaslwl 22:5c07298d3383 253 0x00, // bCountryCode
lucaslwl 22:5c07298d3383 254 0x01, // bNumDescriptors
lucaslwl 22:5c07298d3383 255 REPORT_DESCRIPTOR, // bDescriptorType
lucaslwl 22:5c07298d3383 256 (uint8_t)(LSB(this->reportDescLength())), // wDescriptorLength (LSB)
lucaslwl 22:5c07298d3383 257 (uint8_t)(MSB(this->reportDescLength())), // wDescriptorLength (MSB)
lucaslwl 22:5c07298d3383 258
lucaslwl 22:5c07298d3383 259 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
lucaslwl 22:5c07298d3383 260 ENDPOINT_DESCRIPTOR, // bDescriptorType
lucaslwl 22:5c07298d3383 261 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
lucaslwl 22:5c07298d3383 262 E_INTERRUPT, // bmAttributes
lucaslwl 22:5c07298d3383 263 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
lucaslwl 22:5c07298d3383 264 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
lucaslwl 22:5c07298d3383 265 1, // bInterval (milliseconds)
lucaslwl 22:5c07298d3383 266
lucaslwl 22:5c07298d3383 267 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
lucaslwl 22:5c07298d3383 268 ENDPOINT_DESCRIPTOR, // bDescriptorType
lucaslwl 22:5c07298d3383 269 PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
lucaslwl 22:5c07298d3383 270 E_INTERRUPT, // bmAttributes
lucaslwl 22:5c07298d3383 271 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
lucaslwl 22:5c07298d3383 272 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
lucaslwl 22:5c07298d3383 273 1, // bInterval (milliseconds)
lucaslwl 22:5c07298d3383 274 };
lucaslwl 22:5c07298d3383 275 return configurationDescriptor;
lucaslwl 22:5c07298d3383 276 }