Priyanka Pashte / USBDevice

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USBHID/USBHID.cpp@0:78a4faee5b0f, 2015-12-13 (annotated)

Committer:
priyankapashte
Date:
Sun Dec 13 10:04:36 2015 +0000
Revision:
0:78a4faee5b0f
USBMouse File has been modified;

Who changed what in which revision?

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priyankapashte 0:78a4faee5b0f 1
priyankapashte 0:78a4faee5b0f 2 #include "stdint.h"
priyankapashte 0:78a4faee5b0f 3 #include "USBHAL.h"
priyankapashte 0:78a4faee5b0f 4 #include "USBHID.h"
priyankapashte 0:78a4faee5b0f 5
priyankapashte 0:78a4faee5b0f 6
priyankapashte 0:78a4faee5b0f 7 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)
priyankapashte 0:78a4faee5b0f 8 {
priyankapashte 0:78a4faee5b0f 9 output_length = output_report_length;
priyankapashte 0:78a4faee5b0f 10 input_length = input_report_length;
priyankapashte 0:78a4faee5b0f 11 if(connect) {
priyankapashte 0:78a4faee5b0f 12 USBDevice::connect();
priyankapashte 0:78a4faee5b0f 13 }
priyankapashte 0:78a4faee5b0f 14 }
priyankapashte 0:78a4faee5b0f 15
priyankapashte 0:78a4faee5b0f 16
priyankapashte 0:78a4faee5b0f 17 bool USBHID::send(HID_REPORT *report)
priyankapashte 0:78a4faee5b0f 18 {
priyankapashte 0:78a4faee5b0f 19 return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
priyankapashte 0:78a4faee5b0f 20 }
priyankapashte 0:78a4faee5b0f 21
priyankapashte 0:78a4faee5b0f 22 bool USBHID::sendNB(HID_REPORT *report)
priyankapashte 0:78a4faee5b0f 23 {
priyankapashte 0:78a4faee5b0f 24 return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
priyankapashte 0:78a4faee5b0f 25 }
priyankapashte 0:78a4faee5b0f 26
priyankapashte 0:78a4faee5b0f 27
priyankapashte 0:78a4faee5b0f 28 bool USBHID::read(HID_REPORT *report)
priyankapashte 0:78a4faee5b0f 29 {
priyankapashte 0:78a4faee5b0f 30 uint32_t bytesRead = 0;
priyankapashte 0:78a4faee5b0f 31 bool result;
priyankapashte 0:78a4faee5b0f 32 result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
priyankapashte 0:78a4faee5b0f 33 if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
priyankapashte 0:78a4faee5b0f 34 return false;
priyankapashte 0:78a4faee5b0f 35 report->length = bytesRead;
priyankapashte 0:78a4faee5b0f 36 return result;
priyankapashte 0:78a4faee5b0f 37 }
priyankapashte 0:78a4faee5b0f 38
priyankapashte 0:78a4faee5b0f 39
priyankapashte 0:78a4faee5b0f 40 bool USBHID::readNB(HID_REPORT *report)
priyankapashte 0:78a4faee5b0f 41 {
priyankapashte 0:78a4faee5b0f 42 uint32_t bytesRead = 0;
priyankapashte 0:78a4faee5b0f 43 bool result;
priyankapashte 0:78a4faee5b0f 44 result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
priyankapashte 0:78a4faee5b0f 45 // if readEP_NB did not succeed, does not issue a readStart
priyankapashte 0:78a4faee5b0f 46 if (!result)
priyankapashte 0:78a4faee5b0f 47 return false;
priyankapashte 0:78a4faee5b0f 48 report->length = bytesRead;
priyankapashte 0:78a4faee5b0f 49 if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
priyankapashte 0:78a4faee5b0f 50 return false;
priyankapashte 0:78a4faee5b0f 51 return result;
priyankapashte 0:78a4faee5b0f 52 }
priyankapashte 0:78a4faee5b0f 53
priyankapashte 0:78a4faee5b0f 54
priyankapashte 0:78a4faee5b0f 55 uint16_t USBHID::reportDescLength() {
priyankapashte 0:78a4faee5b0f 56 reportDesc();
priyankapashte 0:78a4faee5b0f 57 return reportLength;
priyankapashte 0:78a4faee5b0f 58 }
priyankapashte 0:78a4faee5b0f 59
priyankapashte 0:78a4faee5b0f 60
priyankapashte 0:78a4faee5b0f 61 bool USBHID::USBCallback_request() {
priyankapashte 0:78a4faee5b0f 62 bool success = false;
priyankapashte 0:78a4faee5b0f 63 CONTROL_TRANSFER * transfer = getTransferPtr();
priyankapashte 0:78a4faee5b0f 64 uint8_t *hidDescriptor;
priyankapashte 0:78a4faee5b0f 65
priyankapashte 0:78a4faee5b0f 66 // Process additional standard requests
priyankapashte 0:78a4faee5b0f 67
priyankapashte 0:78a4faee5b0f 68 if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE))
priyankapashte 0:78a4faee5b0f 69 {
priyankapashte 0:78a4faee5b0f 70 switch (transfer->setup.bRequest)
priyankapashte 0:78a4faee5b0f 71 {
priyankapashte 0:78a4faee5b0f 72 case GET_DESCRIPTOR:
priyankapashte 0:78a4faee5b0f 73 switch (DESCRIPTOR_TYPE(transfer->setup.wValue))
priyankapashte 0:78a4faee5b0f 74 {
priyankapashte 0:78a4faee5b0f 75 case REPORT_DESCRIPTOR:
priyankapashte 0:78a4faee5b0f 76 if ((reportDesc() != NULL) \
priyankapashte 0:78a4faee5b0f 77 && (reportDescLength() != 0))
priyankapashte 0:78a4faee5b0f 78 {
priyankapashte 0:78a4faee5b0f 79 transfer->remaining = reportDescLength();
priyankapashte 0:78a4faee5b0f 80 transfer->ptr = reportDesc();
priyankapashte 0:78a4faee5b0f 81 transfer->direction = DEVICE_TO_HOST;
priyankapashte 0:78a4faee5b0f 82 success = true;
priyankapashte 0:78a4faee5b0f 83 }
priyankapashte 0:78a4faee5b0f 84 break;
priyankapashte 0:78a4faee5b0f 85 case HID_DESCRIPTOR:
priyankapashte 0:78a4faee5b0f 86 // Find the HID descriptor, after the configuration descriptor
priyankapashte 0:78a4faee5b0f 87 hidDescriptor = findDescriptor(HID_DESCRIPTOR);
priyankapashte 0:78a4faee5b0f 88 if (hidDescriptor != NULL)
priyankapashte 0:78a4faee5b0f 89 {
priyankapashte 0:78a4faee5b0f 90 transfer->remaining = HID_DESCRIPTOR_LENGTH;
priyankapashte 0:78a4faee5b0f 91 transfer->ptr = hidDescriptor;
priyankapashte 0:78a4faee5b0f 92 transfer->direction = DEVICE_TO_HOST;
priyankapashte 0:78a4faee5b0f 93 success = true;
priyankapashte 0:78a4faee5b0f 94 }
priyankapashte 0:78a4faee5b0f 95 break;
priyankapashte 0:78a4faee5b0f 96
priyankapashte 0:78a4faee5b0f 97 default:
priyankapashte 0:78a4faee5b0f 98 break;
priyankapashte 0:78a4faee5b0f 99 }
priyankapashte 0:78a4faee5b0f 100 break;
priyankapashte 0:78a4faee5b0f 101 default:
priyankapashte 0:78a4faee5b0f 102 break;
priyankapashte 0:78a4faee5b0f 103 }
priyankapashte 0:78a4faee5b0f 104 }
priyankapashte 0:78a4faee5b0f 105
priyankapashte 0:78a4faee5b0f 106 // Process class-specific requests
priyankapashte 0:78a4faee5b0f 107
priyankapashte 0:78a4faee5b0f 108 if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
priyankapashte 0:78a4faee5b0f 109 {
priyankapashte 0:78a4faee5b0f 110 switch (transfer->setup.bRequest)
priyankapashte 0:78a4faee5b0f 111 {
priyankapashte 0:78a4faee5b0f 112 case SET_REPORT:
priyankapashte 0:78a4faee5b0f 113 // First byte will be used for report ID
priyankapashte 0:78a4faee5b0f 114 outputReport.data[0] = transfer->setup.wValue & 0xff;
priyankapashte 0:78a4faee5b0f 115 outputReport.length = transfer->setup.wLength + 1;
priyankapashte 0:78a4faee5b0f 116
priyankapashte 0:78a4faee5b0f 117 transfer->remaining = sizeof(outputReport.data) - 1;
priyankapashte 0:78a4faee5b0f 118 transfer->ptr = &outputReport.data[1];
priyankapashte 0:78a4faee5b0f 119 transfer->direction = HOST_TO_DEVICE;
priyankapashte 0:78a4faee5b0f 120 transfer->notify = true;
priyankapashte 0:78a4faee5b0f 121 success = true;
priyankapashte 0:78a4faee5b0f 122 default:
priyankapashte 0:78a4faee5b0f 123 break;
priyankapashte 0:78a4faee5b0f 124 }
priyankapashte 0:78a4faee5b0f 125 }
priyankapashte 0:78a4faee5b0f 126
priyankapashte 0:78a4faee5b0f 127 return success;
priyankapashte 0:78a4faee5b0f 128 }
priyankapashte 0:78a4faee5b0f 129
priyankapashte 0:78a4faee5b0f 130
priyankapashte 0:78a4faee5b0f 131 #define DEFAULT_CONFIGURATION (1)
priyankapashte 0:78a4faee5b0f 132
priyankapashte 0:78a4faee5b0f 133 bool USBHID::USBCallback_setConfiguration(uint8_t configuration) {
priyankapashte 0:78a4faee5b0f 134 if (configuration != DEFAULT_CONFIGURATION) {
priyankapashte 0:78a4faee5b0f 135 return false;
priyankapashte 0:78a4faee5b0f 136 }
priyankapashte 0:78a4faee5b0f 137
priyankapashte 0:78a4faee5b0f 138 // Configure endpoints > 0
priyankapashte 0:78a4faee5b0f 139 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
priyankapashte 0:78a4faee5b0f 140 addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
priyankapashte 0:78a4faee5b0f 141
priyankapashte 0:78a4faee5b0f 142 // We activate the endpoint to be able to recceive data
priyankapashte 0:78a4faee5b0f 143 readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
priyankapashte 0:78a4faee5b0f 144 return true;
priyankapashte 0:78a4faee5b0f 145 }
priyankapashte 0:78a4faee5b0f 146
priyankapashte 0:78a4faee5b0f 147
priyankapashte 0:78a4faee5b0f 148 uint8_t * USBHID::stringIinterfaceDesc() {
priyankapashte 0:78a4faee5b0f 149 static uint8_t stringIinterfaceDescriptor[] = {
priyankapashte 0:78a4faee5b0f 150 0x08, //bLength
priyankapashte 0:78a4faee5b0f 151 STRING_DESCRIPTOR, //bDescriptorType 0x03
priyankapashte 0:78a4faee5b0f 152 'H',0,'I',0,'D',0, //bString iInterface - HID
priyankapashte 0:78a4faee5b0f 153 };
priyankapashte 0:78a4faee5b0f 154 return stringIinterfaceDescriptor;
priyankapashte 0:78a4faee5b0f 155 }
priyankapashte 0:78a4faee5b0f 156
priyankapashte 0:78a4faee5b0f 157 uint8_t * USBHID::stringIproductDesc() {
priyankapashte 0:78a4faee5b0f 158 static uint8_t stringIproductDescriptor[] = {
priyankapashte 0:78a4faee5b0f 159 0x16, //bLength
priyankapashte 0:78a4faee5b0f 160 STRING_DESCRIPTOR, //bDescriptorType 0x03
priyankapashte 0:78a4faee5b0f 161 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device
priyankapashte 0:78a4faee5b0f 162 };
priyankapashte 0:78a4faee5b0f 163 return stringIproductDescriptor;
priyankapashte 0:78a4faee5b0f 164 }
priyankapashte 0:78a4faee5b0f 165
priyankapashte 0:78a4faee5b0f 166
priyankapashte 0:78a4faee5b0f 167
priyankapashte 0:78a4faee5b0f 168 uint8_t * USBHID::reportDesc() {
priyankapashte 0:78a4faee5b0f 169 static uint8_t reportDescriptor[] = {
priyankapashte 0:78a4faee5b0f 170 0x06, LSB(0xFFAB), MSB(0xFFAB),
priyankapashte 0:78a4faee5b0f 171 0x0A, LSB(0x0200), MSB(0x0200),
priyankapashte 0:78a4faee5b0f 172 0xA1, 0x01, // Collection 0x01
priyankapashte 0:78a4faee5b0f 173 0x75, 0x08, // report size = 8 bits
priyankapashte 0:78a4faee5b0f 174 0x15, 0x00, // logical minimum = 0
priyankapashte 0:78a4faee5b0f 175 0x26, 0xFF, 0x00, // logical maximum = 255
priyankapashte 0:78a4faee5b0f 176 0x95, input_length, // report count
priyankapashte 0:78a4faee5b0f 177 0x09, 0x01, // usage
priyankapashte 0:78a4faee5b0f 178 0x81, 0x02, // Input (array)
priyankapashte 0:78a4faee5b0f 179 0x95, output_length,// report count
priyankapashte 0:78a4faee5b0f 180 0x09, 0x02, // usage
priyankapashte 0:78a4faee5b0f 181 0x91, 0x02, // Output (array)
priyankapashte 0:78a4faee5b0f 182 0xC0 // end collection
priyankapashte 0:78a4faee5b0f 183
priyankapashte 0:78a4faee5b0f 184 };
priyankapashte 0:78a4faee5b0f 185 reportLength = sizeof(reportDescriptor);
priyankapashte 0:78a4faee5b0f 186 return reportDescriptor;
priyankapashte 0:78a4faee5b0f 187 }
priyankapashte 0:78a4faee5b0f 188
priyankapashte 0:78a4faee5b0f 189 #define DEFAULT_CONFIGURATION (1)
priyankapashte 0:78a4faee5b0f 190 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
priyankapashte 0:78a4faee5b0f 191 + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
priyankapashte 0:78a4faee5b0f 192 + (1 * HID_DESCRIPTOR_LENGTH) \
priyankapashte 0:78a4faee5b0f 193 + (2 * ENDPOINT_DESCRIPTOR_LENGTH))
priyankapashte 0:78a4faee5b0f 194
priyankapashte 0:78a4faee5b0f 195 uint8_t * USBHID::configurationDesc() {
priyankapashte 0:78a4faee5b0f 196 static uint8_t configurationDescriptor[] = {
priyankapashte 0:78a4faee5b0f 197 CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
priyankapashte 0:78a4faee5b0f 198 CONFIGURATION_DESCRIPTOR, // bDescriptorType
priyankapashte 0:78a4faee5b0f 199 LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
priyankapashte 0:78a4faee5b0f 200 MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
priyankapashte 0:78a4faee5b0f 201 0x01, // bNumInterfaces
priyankapashte 0:78a4faee5b0f 202 DEFAULT_CONFIGURATION, // bConfigurationValue
priyankapashte 0:78a4faee5b0f 203 0x00, // iConfiguration
priyankapashte 0:78a4faee5b0f 204 C_RESERVED | C_SELF_POWERED, // bmAttributes
priyankapashte 0:78a4faee5b0f 205 C_POWER(0), // bMaxPower
priyankapashte 0:78a4faee5b0f 206
priyankapashte 0:78a4faee5b0f 207 INTERFACE_DESCRIPTOR_LENGTH, // bLength
priyankapashte 0:78a4faee5b0f 208 INTERFACE_DESCRIPTOR, // bDescriptorType
priyankapashte 0:78a4faee5b0f 209 0x00, // bInterfaceNumber
priyankapashte 0:78a4faee5b0f 210 0x00, // bAlternateSetting
priyankapashte 0:78a4faee5b0f 211 0x02, // bNumEndpoints
priyankapashte 0:78a4faee5b0f 212 HID_CLASS, // bInterfaceClass
priyankapashte 0:78a4faee5b0f 213 HID_SUBCLASS_NONE, // bInterfaceSubClass
priyankapashte 0:78a4faee5b0f 214 HID_PROTOCOL_NONE, // bInterfaceProtocol
priyankapashte 0:78a4faee5b0f 215 0x00, // iInterface
priyankapashte 0:78a4faee5b0f 216
priyankapashte 0:78a4faee5b0f 217 HID_DESCRIPTOR_LENGTH, // bLength
priyankapashte 0:78a4faee5b0f 218 HID_DESCRIPTOR, // bDescriptorType
priyankapashte 0:78a4faee5b0f 219 LSB(HID_VERSION_1_11), // bcdHID (LSB)
priyankapashte 0:78a4faee5b0f 220 MSB(HID_VERSION_1_11), // bcdHID (MSB)
priyankapashte 0:78a4faee5b0f 221 0x00, // bCountryCode
priyankapashte 0:78a4faee5b0f 222 0x01, // bNumDescriptors
priyankapashte 0:78a4faee5b0f 223 REPORT_DESCRIPTOR, // bDescriptorType
priyankapashte 0:78a4faee5b0f 224 (uint8_t)(LSB(this->reportDescLength())), // wDescriptorLength (LSB)
priyankapashte 0:78a4faee5b0f 225 (uint8_t)(MSB(this->reportDescLength())), // wDescriptorLength (MSB)
priyankapashte 0:78a4faee5b0f 226
priyankapashte 0:78a4faee5b0f 227 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
priyankapashte 0:78a4faee5b0f 228 ENDPOINT_DESCRIPTOR, // bDescriptorType
priyankapashte 0:78a4faee5b0f 229 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
priyankapashte 0:78a4faee5b0f 230 E_INTERRUPT, // bmAttributes
priyankapashte 0:78a4faee5b0f 231 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
priyankapashte 0:78a4faee5b0f 232 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
priyankapashte 0:78a4faee5b0f 233 1, // bInterval (milliseconds)
priyankapashte 0:78a4faee5b0f 234
priyankapashte 0:78a4faee5b0f 235 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
priyankapashte 0:78a4faee5b0f 236 ENDPOINT_DESCRIPTOR, // bDescriptorType
priyankapashte 0:78a4faee5b0f 237 PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
priyankapashte 0:78a4faee5b0f 238 E_INTERRUPT, // bmAttributes
priyankapashte 0:78a4faee5b0f 239 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
priyankapashte 0:78a4faee5b0f 240 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
priyankapashte 0:78a4faee5b0f 241 1, // bInterval (milliseconds)
priyankapashte 0:78a4faee5b0f 242 };
priyankapashte 0:78a4faee5b0f 243 return configurationDescriptor;
priyankapashte 0:78a4faee5b0f 244 }