Base station firmware
USBDevice/USBDevice.cpp@0:ecc3925d3f8c, 2016-05-24 (annotated)
- Committer:
- Perijah
- Date:
- Tue May 24 13:16:55 2016 +0000
- Revision:
- 0:ecc3925d3f8c
Base station firmware
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Perijah | 0:ecc3925d3f8c | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
Perijah | 0:ecc3925d3f8c | 2 | * |
Perijah | 0:ecc3925d3f8c | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
Perijah | 0:ecc3925d3f8c | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
Perijah | 0:ecc3925d3f8c | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
Perijah | 0:ecc3925d3f8c | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
Perijah | 0:ecc3925d3f8c | 7 | * Software is furnished to do so, subject to the following conditions: |
Perijah | 0:ecc3925d3f8c | 8 | * |
Perijah | 0:ecc3925d3f8c | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
Perijah | 0:ecc3925d3f8c | 10 | * substantial portions of the Software. |
Perijah | 0:ecc3925d3f8c | 11 | * |
Perijah | 0:ecc3925d3f8c | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
Perijah | 0:ecc3925d3f8c | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Perijah | 0:ecc3925d3f8c | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
Perijah | 0:ecc3925d3f8c | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Perijah | 0:ecc3925d3f8c | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Perijah | 0:ecc3925d3f8c | 17 | */ |
Perijah | 0:ecc3925d3f8c | 18 | |
Perijah | 0:ecc3925d3f8c | 19 | #include "stdint.h" |
Perijah | 0:ecc3925d3f8c | 20 | |
Perijah | 0:ecc3925d3f8c | 21 | #include "USBEndpoints.h" |
Perijah | 0:ecc3925d3f8c | 22 | #include "USBDevice.h" |
Perijah | 0:ecc3925d3f8c | 23 | #include "USBDescriptor.h" |
Perijah | 0:ecc3925d3f8c | 24 | |
Perijah | 0:ecc3925d3f8c | 25 | //#define DEBUG |
Perijah | 0:ecc3925d3f8c | 26 | |
Perijah | 0:ecc3925d3f8c | 27 | /* Device status */ |
Perijah | 0:ecc3925d3f8c | 28 | #define DEVICE_STATUS_SELF_POWERED (1U<<0) |
Perijah | 0:ecc3925d3f8c | 29 | #define DEVICE_STATUS_REMOTE_WAKEUP (1U<<1) |
Perijah | 0:ecc3925d3f8c | 30 | |
Perijah | 0:ecc3925d3f8c | 31 | /* Endpoint status */ |
Perijah | 0:ecc3925d3f8c | 32 | #define ENDPOINT_STATUS_HALT (1U<<0) |
Perijah | 0:ecc3925d3f8c | 33 | |
Perijah | 0:ecc3925d3f8c | 34 | /* Standard feature selectors */ |
Perijah | 0:ecc3925d3f8c | 35 | #define DEVICE_REMOTE_WAKEUP (1) |
Perijah | 0:ecc3925d3f8c | 36 | #define ENDPOINT_HALT (0) |
Perijah | 0:ecc3925d3f8c | 37 | |
Perijah | 0:ecc3925d3f8c | 38 | /* Macro to convert wIndex endpoint number to physical endpoint number */ |
Perijah | 0:ecc3925d3f8c | 39 | #define WINDEX_TO_PHYSICAL(endpoint) (((endpoint & 0x0f) << 1) + \ |
Perijah | 0:ecc3925d3f8c | 40 | ((endpoint & 0x80) ? 1 : 0)) |
Perijah | 0:ecc3925d3f8c | 41 | |
Perijah | 0:ecc3925d3f8c | 42 | |
Perijah | 0:ecc3925d3f8c | 43 | bool USBDevice::requestGetDescriptor(void) |
Perijah | 0:ecc3925d3f8c | 44 | { |
Perijah | 0:ecc3925d3f8c | 45 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 46 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 47 | printf("get descr: type: %d\r\n", DESCRIPTOR_TYPE(transfer.setup.wValue)); |
Perijah | 0:ecc3925d3f8c | 48 | #endif |
Perijah | 0:ecc3925d3f8c | 49 | switch (DESCRIPTOR_TYPE(transfer.setup.wValue)) |
Perijah | 0:ecc3925d3f8c | 50 | { |
Perijah | 0:ecc3925d3f8c | 51 | case DEVICE_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 52 | if (deviceDesc() != NULL) |
Perijah | 0:ecc3925d3f8c | 53 | { |
Perijah | 0:ecc3925d3f8c | 54 | if ((deviceDesc()[0] == DEVICE_DESCRIPTOR_LENGTH) \ |
Perijah | 0:ecc3925d3f8c | 55 | && (deviceDesc()[1] == DEVICE_DESCRIPTOR)) |
Perijah | 0:ecc3925d3f8c | 56 | { |
Perijah | 0:ecc3925d3f8c | 57 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 58 | printf("device descr\r\n"); |
Perijah | 0:ecc3925d3f8c | 59 | #endif |
Perijah | 0:ecc3925d3f8c | 60 | transfer.remaining = DEVICE_DESCRIPTOR_LENGTH; |
Perijah | 0:ecc3925d3f8c | 61 | transfer.ptr = deviceDesc(); |
Perijah | 0:ecc3925d3f8c | 62 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 63 | success = true; |
Perijah | 0:ecc3925d3f8c | 64 | } |
Perijah | 0:ecc3925d3f8c | 65 | } |
Perijah | 0:ecc3925d3f8c | 66 | break; |
Perijah | 0:ecc3925d3f8c | 67 | case CONFIGURATION_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 68 | if (configurationDesc() != NULL) |
Perijah | 0:ecc3925d3f8c | 69 | { |
Perijah | 0:ecc3925d3f8c | 70 | if ((configurationDesc()[0] == CONFIGURATION_DESCRIPTOR_LENGTH) \ |
Perijah | 0:ecc3925d3f8c | 71 | && (configurationDesc()[1] == CONFIGURATION_DESCRIPTOR)) |
Perijah | 0:ecc3925d3f8c | 72 | { |
Perijah | 0:ecc3925d3f8c | 73 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 74 | printf("conf descr request\r\n"); |
Perijah | 0:ecc3925d3f8c | 75 | #endif |
Perijah | 0:ecc3925d3f8c | 76 | /* Get wTotalLength */ |
Perijah | 0:ecc3925d3f8c | 77 | transfer.remaining = configurationDesc()[2] \ |
Perijah | 0:ecc3925d3f8c | 78 | | (configurationDesc()[3] << 8); |
Perijah | 0:ecc3925d3f8c | 79 | |
Perijah | 0:ecc3925d3f8c | 80 | transfer.ptr = configurationDesc(); |
Perijah | 0:ecc3925d3f8c | 81 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 82 | success = true; |
Perijah | 0:ecc3925d3f8c | 83 | } |
Perijah | 0:ecc3925d3f8c | 84 | } |
Perijah | 0:ecc3925d3f8c | 85 | break; |
Perijah | 0:ecc3925d3f8c | 86 | case STRING_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 87 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 88 | printf("str descriptor\r\n"); |
Perijah | 0:ecc3925d3f8c | 89 | #endif |
Perijah | 0:ecc3925d3f8c | 90 | switch (DESCRIPTOR_INDEX(transfer.setup.wValue)) |
Perijah | 0:ecc3925d3f8c | 91 | { |
Perijah | 0:ecc3925d3f8c | 92 | case STRING_OFFSET_LANGID: |
Perijah | 0:ecc3925d3f8c | 93 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 94 | printf("1\r\n"); |
Perijah | 0:ecc3925d3f8c | 95 | #endif |
Perijah | 0:ecc3925d3f8c | 96 | transfer.remaining = stringLangidDesc()[0]; |
Perijah | 0:ecc3925d3f8c | 97 | transfer.ptr = stringLangidDesc(); |
Perijah | 0:ecc3925d3f8c | 98 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 99 | success = true; |
Perijah | 0:ecc3925d3f8c | 100 | break; |
Perijah | 0:ecc3925d3f8c | 101 | case STRING_OFFSET_IMANUFACTURER: |
Perijah | 0:ecc3925d3f8c | 102 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 103 | printf("2\r\n"); |
Perijah | 0:ecc3925d3f8c | 104 | #endif |
Perijah | 0:ecc3925d3f8c | 105 | transfer.remaining = stringImanufacturerDesc()[0]; |
Perijah | 0:ecc3925d3f8c | 106 | transfer.ptr = stringImanufacturerDesc(); |
Perijah | 0:ecc3925d3f8c | 107 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 108 | success = true; |
Perijah | 0:ecc3925d3f8c | 109 | break; |
Perijah | 0:ecc3925d3f8c | 110 | case STRING_OFFSET_IPRODUCT: |
Perijah | 0:ecc3925d3f8c | 111 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 112 | printf("3\r\n"); |
Perijah | 0:ecc3925d3f8c | 113 | #endif |
Perijah | 0:ecc3925d3f8c | 114 | transfer.remaining = stringIproductDesc()[0]; |
Perijah | 0:ecc3925d3f8c | 115 | transfer.ptr = stringIproductDesc(); |
Perijah | 0:ecc3925d3f8c | 116 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 117 | success = true; |
Perijah | 0:ecc3925d3f8c | 118 | break; |
Perijah | 0:ecc3925d3f8c | 119 | case STRING_OFFSET_ISERIAL: |
Perijah | 0:ecc3925d3f8c | 120 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 121 | printf("4\r\n"); |
Perijah | 0:ecc3925d3f8c | 122 | #endif |
Perijah | 0:ecc3925d3f8c | 123 | transfer.remaining = stringIserialDesc()[0]; |
Perijah | 0:ecc3925d3f8c | 124 | transfer.ptr = stringIserialDesc(); |
Perijah | 0:ecc3925d3f8c | 125 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 126 | success = true; |
Perijah | 0:ecc3925d3f8c | 127 | break; |
Perijah | 0:ecc3925d3f8c | 128 | case STRING_OFFSET_ICONFIGURATION: |
Perijah | 0:ecc3925d3f8c | 129 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 130 | printf("5\r\n"); |
Perijah | 0:ecc3925d3f8c | 131 | #endif |
Perijah | 0:ecc3925d3f8c | 132 | transfer.remaining = stringIConfigurationDesc()[0]; |
Perijah | 0:ecc3925d3f8c | 133 | transfer.ptr = stringIConfigurationDesc(); |
Perijah | 0:ecc3925d3f8c | 134 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 135 | success = true; |
Perijah | 0:ecc3925d3f8c | 136 | break; |
Perijah | 0:ecc3925d3f8c | 137 | case STRING_OFFSET_IINTERFACE: |
Perijah | 0:ecc3925d3f8c | 138 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 139 | printf("6\r\n"); |
Perijah | 0:ecc3925d3f8c | 140 | #endif |
Perijah | 0:ecc3925d3f8c | 141 | transfer.remaining = stringIinterfaceDesc()[0]; |
Perijah | 0:ecc3925d3f8c | 142 | transfer.ptr = stringIinterfaceDesc(); |
Perijah | 0:ecc3925d3f8c | 143 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 144 | success = true; |
Perijah | 0:ecc3925d3f8c | 145 | break; |
Perijah | 0:ecc3925d3f8c | 146 | } |
Perijah | 0:ecc3925d3f8c | 147 | break; |
Perijah | 0:ecc3925d3f8c | 148 | case INTERFACE_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 149 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 150 | printf("interface descr\r\n"); |
Perijah | 0:ecc3925d3f8c | 151 | #endif |
Perijah | 0:ecc3925d3f8c | 152 | case ENDPOINT_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 153 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 154 | printf("endpoint descr\r\n"); |
Perijah | 0:ecc3925d3f8c | 155 | #endif |
Perijah | 0:ecc3925d3f8c | 156 | /* TODO: Support is optional, not implemented here */ |
Perijah | 0:ecc3925d3f8c | 157 | break; |
Perijah | 0:ecc3925d3f8c | 158 | default: |
Perijah | 0:ecc3925d3f8c | 159 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 160 | printf("ERROR\r\n"); |
Perijah | 0:ecc3925d3f8c | 161 | #endif |
Perijah | 0:ecc3925d3f8c | 162 | break; |
Perijah | 0:ecc3925d3f8c | 163 | } |
Perijah | 0:ecc3925d3f8c | 164 | |
Perijah | 0:ecc3925d3f8c | 165 | return success; |
Perijah | 0:ecc3925d3f8c | 166 | } |
Perijah | 0:ecc3925d3f8c | 167 | |
Perijah | 0:ecc3925d3f8c | 168 | void USBDevice::decodeSetupPacket(uint8_t *data, SETUP_PACKET *packet) |
Perijah | 0:ecc3925d3f8c | 169 | { |
Perijah | 0:ecc3925d3f8c | 170 | /* Fill in the elements of a SETUP_PACKET structure from raw data */ |
Perijah | 0:ecc3925d3f8c | 171 | packet->bmRequestType.dataTransferDirection = (data[0] & 0x80) >> 7; |
Perijah | 0:ecc3925d3f8c | 172 | packet->bmRequestType.Type = (data[0] & 0x60) >> 5; |
Perijah | 0:ecc3925d3f8c | 173 | packet->bmRequestType.Recipient = data[0] & 0x1f; |
Perijah | 0:ecc3925d3f8c | 174 | packet->bRequest = data[1]; |
Perijah | 0:ecc3925d3f8c | 175 | packet->wValue = (data[2] | (uint16_t)data[3] << 8); |
Perijah | 0:ecc3925d3f8c | 176 | packet->wIndex = (data[4] | (uint16_t)data[5] << 8); |
Perijah | 0:ecc3925d3f8c | 177 | packet->wLength = (data[6] | (uint16_t)data[7] << 8); |
Perijah | 0:ecc3925d3f8c | 178 | } |
Perijah | 0:ecc3925d3f8c | 179 | |
Perijah | 0:ecc3925d3f8c | 180 | |
Perijah | 0:ecc3925d3f8c | 181 | bool USBDevice::controlOut(void) |
Perijah | 0:ecc3925d3f8c | 182 | { |
Perijah | 0:ecc3925d3f8c | 183 | /* Control transfer data OUT stage */ |
Perijah | 0:ecc3925d3f8c | 184 | uint8_t buffer[MAX_PACKET_SIZE_EP0]; |
Perijah | 0:ecc3925d3f8c | 185 | uint32_t packetSize; |
Perijah | 0:ecc3925d3f8c | 186 | |
Perijah | 0:ecc3925d3f8c | 187 | /* Check we should be transferring data OUT */ |
Perijah | 0:ecc3925d3f8c | 188 | if (transfer.direction != HOST_TO_DEVICE) |
Perijah | 0:ecc3925d3f8c | 189 | { |
Perijah | 0:ecc3925d3f8c | 190 | return false; |
Perijah | 0:ecc3925d3f8c | 191 | } |
Perijah | 0:ecc3925d3f8c | 192 | |
Perijah | 0:ecc3925d3f8c | 193 | /* Read from endpoint */ |
Perijah | 0:ecc3925d3f8c | 194 | packetSize = EP0getReadResult(buffer); |
Perijah | 0:ecc3925d3f8c | 195 | |
Perijah | 0:ecc3925d3f8c | 196 | /* Check if transfer size is valid */ |
Perijah | 0:ecc3925d3f8c | 197 | if (packetSize > transfer.remaining) |
Perijah | 0:ecc3925d3f8c | 198 | { |
Perijah | 0:ecc3925d3f8c | 199 | /* Too big */ |
Perijah | 0:ecc3925d3f8c | 200 | return false; |
Perijah | 0:ecc3925d3f8c | 201 | } |
Perijah | 0:ecc3925d3f8c | 202 | |
Perijah | 0:ecc3925d3f8c | 203 | /* Update transfer */ |
Perijah | 0:ecc3925d3f8c | 204 | transfer.ptr += packetSize; |
Perijah | 0:ecc3925d3f8c | 205 | transfer.remaining -= packetSize; |
Perijah | 0:ecc3925d3f8c | 206 | |
Perijah | 0:ecc3925d3f8c | 207 | /* Check if transfer has completed */ |
Perijah | 0:ecc3925d3f8c | 208 | if (transfer.remaining == 0) |
Perijah | 0:ecc3925d3f8c | 209 | { |
Perijah | 0:ecc3925d3f8c | 210 | /* Transfer completed */ |
Perijah | 0:ecc3925d3f8c | 211 | if (transfer.notify) |
Perijah | 0:ecc3925d3f8c | 212 | { |
Perijah | 0:ecc3925d3f8c | 213 | /* Notify class layer. */ |
Perijah | 0:ecc3925d3f8c | 214 | USBCallback_requestCompleted(buffer, packetSize); |
Perijah | 0:ecc3925d3f8c | 215 | transfer.notify = false; |
Perijah | 0:ecc3925d3f8c | 216 | } |
Perijah | 0:ecc3925d3f8c | 217 | /* Status stage */ |
Perijah | 0:ecc3925d3f8c | 218 | EP0write(NULL, 0); |
Perijah | 0:ecc3925d3f8c | 219 | } |
Perijah | 0:ecc3925d3f8c | 220 | else |
Perijah | 0:ecc3925d3f8c | 221 | { |
Perijah | 0:ecc3925d3f8c | 222 | EP0read(); |
Perijah | 0:ecc3925d3f8c | 223 | } |
Perijah | 0:ecc3925d3f8c | 224 | |
Perijah | 0:ecc3925d3f8c | 225 | return true; |
Perijah | 0:ecc3925d3f8c | 226 | } |
Perijah | 0:ecc3925d3f8c | 227 | |
Perijah | 0:ecc3925d3f8c | 228 | bool USBDevice::controlIn(void) |
Perijah | 0:ecc3925d3f8c | 229 | { |
Perijah | 0:ecc3925d3f8c | 230 | /* Control transfer data IN stage */ |
Perijah | 0:ecc3925d3f8c | 231 | uint32_t packetSize; |
Perijah | 0:ecc3925d3f8c | 232 | |
Perijah | 0:ecc3925d3f8c | 233 | /* Check if transfer has completed (status stage transactions */ |
Perijah | 0:ecc3925d3f8c | 234 | /* also have transfer.remaining == 0) */ |
Perijah | 0:ecc3925d3f8c | 235 | if (transfer.remaining == 0) |
Perijah | 0:ecc3925d3f8c | 236 | { |
Perijah | 0:ecc3925d3f8c | 237 | if (transfer.zlp) |
Perijah | 0:ecc3925d3f8c | 238 | { |
Perijah | 0:ecc3925d3f8c | 239 | /* Send zero length packet */ |
Perijah | 0:ecc3925d3f8c | 240 | EP0write(NULL, 0); |
Perijah | 0:ecc3925d3f8c | 241 | transfer.zlp = false; |
Perijah | 0:ecc3925d3f8c | 242 | } |
Perijah | 0:ecc3925d3f8c | 243 | |
Perijah | 0:ecc3925d3f8c | 244 | /* Transfer completed */ |
Perijah | 0:ecc3925d3f8c | 245 | if (transfer.notify) |
Perijah | 0:ecc3925d3f8c | 246 | { |
Perijah | 0:ecc3925d3f8c | 247 | /* Notify class layer. */ |
Perijah | 0:ecc3925d3f8c | 248 | USBCallback_requestCompleted(NULL, 0); |
Perijah | 0:ecc3925d3f8c | 249 | transfer.notify = false; |
Perijah | 0:ecc3925d3f8c | 250 | } |
Perijah | 0:ecc3925d3f8c | 251 | |
Perijah | 0:ecc3925d3f8c | 252 | EP0read(); |
Perijah | 0:ecc3925d3f8c | 253 | EP0readStage(); |
Perijah | 0:ecc3925d3f8c | 254 | |
Perijah | 0:ecc3925d3f8c | 255 | /* Completed */ |
Perijah | 0:ecc3925d3f8c | 256 | return true; |
Perijah | 0:ecc3925d3f8c | 257 | } |
Perijah | 0:ecc3925d3f8c | 258 | |
Perijah | 0:ecc3925d3f8c | 259 | /* Check we should be transferring data IN */ |
Perijah | 0:ecc3925d3f8c | 260 | if (transfer.direction != DEVICE_TO_HOST) |
Perijah | 0:ecc3925d3f8c | 261 | { |
Perijah | 0:ecc3925d3f8c | 262 | return false; |
Perijah | 0:ecc3925d3f8c | 263 | } |
Perijah | 0:ecc3925d3f8c | 264 | |
Perijah | 0:ecc3925d3f8c | 265 | packetSize = transfer.remaining; |
Perijah | 0:ecc3925d3f8c | 266 | |
Perijah | 0:ecc3925d3f8c | 267 | if (packetSize > MAX_PACKET_SIZE_EP0) |
Perijah | 0:ecc3925d3f8c | 268 | { |
Perijah | 0:ecc3925d3f8c | 269 | packetSize = MAX_PACKET_SIZE_EP0; |
Perijah | 0:ecc3925d3f8c | 270 | } |
Perijah | 0:ecc3925d3f8c | 271 | |
Perijah | 0:ecc3925d3f8c | 272 | /* Write to endpoint */ |
Perijah | 0:ecc3925d3f8c | 273 | EP0write(transfer.ptr, packetSize); |
Perijah | 0:ecc3925d3f8c | 274 | |
Perijah | 0:ecc3925d3f8c | 275 | /* Update transfer */ |
Perijah | 0:ecc3925d3f8c | 276 | transfer.ptr += packetSize; |
Perijah | 0:ecc3925d3f8c | 277 | transfer.remaining -= packetSize; |
Perijah | 0:ecc3925d3f8c | 278 | |
Perijah | 0:ecc3925d3f8c | 279 | return true; |
Perijah | 0:ecc3925d3f8c | 280 | } |
Perijah | 0:ecc3925d3f8c | 281 | |
Perijah | 0:ecc3925d3f8c | 282 | bool USBDevice::requestSetAddress(void) |
Perijah | 0:ecc3925d3f8c | 283 | { |
Perijah | 0:ecc3925d3f8c | 284 | /* Set the device address */ |
Perijah | 0:ecc3925d3f8c | 285 | setAddress(transfer.setup.wValue); |
Perijah | 0:ecc3925d3f8c | 286 | |
Perijah | 0:ecc3925d3f8c | 287 | if (transfer.setup.wValue == 0) |
Perijah | 0:ecc3925d3f8c | 288 | { |
Perijah | 0:ecc3925d3f8c | 289 | device.state = DEFAULT; |
Perijah | 0:ecc3925d3f8c | 290 | } |
Perijah | 0:ecc3925d3f8c | 291 | else |
Perijah | 0:ecc3925d3f8c | 292 | { |
Perijah | 0:ecc3925d3f8c | 293 | device.state = ADDRESS; |
Perijah | 0:ecc3925d3f8c | 294 | } |
Perijah | 0:ecc3925d3f8c | 295 | |
Perijah | 0:ecc3925d3f8c | 296 | return true; |
Perijah | 0:ecc3925d3f8c | 297 | } |
Perijah | 0:ecc3925d3f8c | 298 | |
Perijah | 0:ecc3925d3f8c | 299 | bool USBDevice::requestSetConfiguration(void) |
Perijah | 0:ecc3925d3f8c | 300 | { |
Perijah | 0:ecc3925d3f8c | 301 | |
Perijah | 0:ecc3925d3f8c | 302 | device.configuration = transfer.setup.wValue; |
Perijah | 0:ecc3925d3f8c | 303 | /* Set the device configuration */ |
Perijah | 0:ecc3925d3f8c | 304 | if (device.configuration == 0) |
Perijah | 0:ecc3925d3f8c | 305 | { |
Perijah | 0:ecc3925d3f8c | 306 | /* Not configured */ |
Perijah | 0:ecc3925d3f8c | 307 | unconfigureDevice(); |
Perijah | 0:ecc3925d3f8c | 308 | device.state = ADDRESS; |
Perijah | 0:ecc3925d3f8c | 309 | } |
Perijah | 0:ecc3925d3f8c | 310 | else |
Perijah | 0:ecc3925d3f8c | 311 | { |
Perijah | 0:ecc3925d3f8c | 312 | if (USBCallback_setConfiguration(device.configuration)) |
Perijah | 0:ecc3925d3f8c | 313 | { |
Perijah | 0:ecc3925d3f8c | 314 | /* Valid configuration */ |
Perijah | 0:ecc3925d3f8c | 315 | configureDevice(); |
Perijah | 0:ecc3925d3f8c | 316 | device.state = CONFIGURED; |
Perijah | 0:ecc3925d3f8c | 317 | } |
Perijah | 0:ecc3925d3f8c | 318 | else |
Perijah | 0:ecc3925d3f8c | 319 | { |
Perijah | 0:ecc3925d3f8c | 320 | return false; |
Perijah | 0:ecc3925d3f8c | 321 | } |
Perijah | 0:ecc3925d3f8c | 322 | } |
Perijah | 0:ecc3925d3f8c | 323 | |
Perijah | 0:ecc3925d3f8c | 324 | return true; |
Perijah | 0:ecc3925d3f8c | 325 | } |
Perijah | 0:ecc3925d3f8c | 326 | |
Perijah | 0:ecc3925d3f8c | 327 | bool USBDevice::requestGetConfiguration(void) |
Perijah | 0:ecc3925d3f8c | 328 | { |
Perijah | 0:ecc3925d3f8c | 329 | /* Send the device configuration */ |
Perijah | 0:ecc3925d3f8c | 330 | transfer.ptr = &device.configuration; |
Perijah | 0:ecc3925d3f8c | 331 | transfer.remaining = sizeof(device.configuration); |
Perijah | 0:ecc3925d3f8c | 332 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 333 | return true; |
Perijah | 0:ecc3925d3f8c | 334 | } |
Perijah | 0:ecc3925d3f8c | 335 | |
Perijah | 0:ecc3925d3f8c | 336 | bool USBDevice::requestGetInterface(void) |
Perijah | 0:ecc3925d3f8c | 337 | { |
Perijah | 0:ecc3925d3f8c | 338 | /* Return the selected alternate setting for an interface */ |
Perijah | 0:ecc3925d3f8c | 339 | |
Perijah | 0:ecc3925d3f8c | 340 | if (device.state != CONFIGURED) |
Perijah | 0:ecc3925d3f8c | 341 | { |
Perijah | 0:ecc3925d3f8c | 342 | return false; |
Perijah | 0:ecc3925d3f8c | 343 | } |
Perijah | 0:ecc3925d3f8c | 344 | |
Perijah | 0:ecc3925d3f8c | 345 | /* Send the alternate setting */ |
Perijah | 0:ecc3925d3f8c | 346 | transfer.setup.wIndex = currentInterface; |
Perijah | 0:ecc3925d3f8c | 347 | transfer.ptr = ¤tAlternate; |
Perijah | 0:ecc3925d3f8c | 348 | transfer.remaining = sizeof(currentAlternate); |
Perijah | 0:ecc3925d3f8c | 349 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 350 | return true; |
Perijah | 0:ecc3925d3f8c | 351 | } |
Perijah | 0:ecc3925d3f8c | 352 | |
Perijah | 0:ecc3925d3f8c | 353 | bool USBDevice::requestSetInterface(void) |
Perijah | 0:ecc3925d3f8c | 354 | { |
Perijah | 0:ecc3925d3f8c | 355 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 356 | if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue)) |
Perijah | 0:ecc3925d3f8c | 357 | { |
Perijah | 0:ecc3925d3f8c | 358 | success = true; |
Perijah | 0:ecc3925d3f8c | 359 | currentInterface = transfer.setup.wIndex; |
Perijah | 0:ecc3925d3f8c | 360 | currentAlternate = transfer.setup.wValue; |
Perijah | 0:ecc3925d3f8c | 361 | } |
Perijah | 0:ecc3925d3f8c | 362 | return success; |
Perijah | 0:ecc3925d3f8c | 363 | } |
Perijah | 0:ecc3925d3f8c | 364 | |
Perijah | 0:ecc3925d3f8c | 365 | bool USBDevice::requestSetFeature() |
Perijah | 0:ecc3925d3f8c | 366 | { |
Perijah | 0:ecc3925d3f8c | 367 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 368 | |
Perijah | 0:ecc3925d3f8c | 369 | if (device.state != CONFIGURED) |
Perijah | 0:ecc3925d3f8c | 370 | { |
Perijah | 0:ecc3925d3f8c | 371 | /* Endpoint or interface must be zero */ |
Perijah | 0:ecc3925d3f8c | 372 | if (transfer.setup.wIndex != 0) |
Perijah | 0:ecc3925d3f8c | 373 | { |
Perijah | 0:ecc3925d3f8c | 374 | return false; |
Perijah | 0:ecc3925d3f8c | 375 | } |
Perijah | 0:ecc3925d3f8c | 376 | } |
Perijah | 0:ecc3925d3f8c | 377 | |
Perijah | 0:ecc3925d3f8c | 378 | switch (transfer.setup.bmRequestType.Recipient) |
Perijah | 0:ecc3925d3f8c | 379 | { |
Perijah | 0:ecc3925d3f8c | 380 | case DEVICE_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 381 | /* TODO: Remote wakeup feature not supported */ |
Perijah | 0:ecc3925d3f8c | 382 | break; |
Perijah | 0:ecc3925d3f8c | 383 | case ENDPOINT_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 384 | if (transfer.setup.wValue == ENDPOINT_HALT) |
Perijah | 0:ecc3925d3f8c | 385 | { |
Perijah | 0:ecc3925d3f8c | 386 | /* TODO: We should check that the endpoint number is valid */ |
Perijah | 0:ecc3925d3f8c | 387 | stallEndpoint( |
Perijah | 0:ecc3925d3f8c | 388 | WINDEX_TO_PHYSICAL(transfer.setup.wIndex)); |
Perijah | 0:ecc3925d3f8c | 389 | success = true; |
Perijah | 0:ecc3925d3f8c | 390 | } |
Perijah | 0:ecc3925d3f8c | 391 | break; |
Perijah | 0:ecc3925d3f8c | 392 | default: |
Perijah | 0:ecc3925d3f8c | 393 | break; |
Perijah | 0:ecc3925d3f8c | 394 | } |
Perijah | 0:ecc3925d3f8c | 395 | |
Perijah | 0:ecc3925d3f8c | 396 | return success; |
Perijah | 0:ecc3925d3f8c | 397 | } |
Perijah | 0:ecc3925d3f8c | 398 | |
Perijah | 0:ecc3925d3f8c | 399 | bool USBDevice::requestClearFeature() |
Perijah | 0:ecc3925d3f8c | 400 | { |
Perijah | 0:ecc3925d3f8c | 401 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 402 | |
Perijah | 0:ecc3925d3f8c | 403 | if (device.state != CONFIGURED) |
Perijah | 0:ecc3925d3f8c | 404 | { |
Perijah | 0:ecc3925d3f8c | 405 | /* Endpoint or interface must be zero */ |
Perijah | 0:ecc3925d3f8c | 406 | if (transfer.setup.wIndex != 0) |
Perijah | 0:ecc3925d3f8c | 407 | { |
Perijah | 0:ecc3925d3f8c | 408 | return false; |
Perijah | 0:ecc3925d3f8c | 409 | } |
Perijah | 0:ecc3925d3f8c | 410 | } |
Perijah | 0:ecc3925d3f8c | 411 | |
Perijah | 0:ecc3925d3f8c | 412 | switch (transfer.setup.bmRequestType.Recipient) |
Perijah | 0:ecc3925d3f8c | 413 | { |
Perijah | 0:ecc3925d3f8c | 414 | case DEVICE_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 415 | /* TODO: Remote wakeup feature not supported */ |
Perijah | 0:ecc3925d3f8c | 416 | break; |
Perijah | 0:ecc3925d3f8c | 417 | case ENDPOINT_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 418 | /* TODO: We should check that the endpoint number is valid */ |
Perijah | 0:ecc3925d3f8c | 419 | if (transfer.setup.wValue == ENDPOINT_HALT) |
Perijah | 0:ecc3925d3f8c | 420 | { |
Perijah | 0:ecc3925d3f8c | 421 | unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex)); |
Perijah | 0:ecc3925d3f8c | 422 | success = true; |
Perijah | 0:ecc3925d3f8c | 423 | } |
Perijah | 0:ecc3925d3f8c | 424 | break; |
Perijah | 0:ecc3925d3f8c | 425 | default: |
Perijah | 0:ecc3925d3f8c | 426 | break; |
Perijah | 0:ecc3925d3f8c | 427 | } |
Perijah | 0:ecc3925d3f8c | 428 | |
Perijah | 0:ecc3925d3f8c | 429 | return success; |
Perijah | 0:ecc3925d3f8c | 430 | } |
Perijah | 0:ecc3925d3f8c | 431 | |
Perijah | 0:ecc3925d3f8c | 432 | bool USBDevice::requestGetStatus(void) |
Perijah | 0:ecc3925d3f8c | 433 | { |
Perijah | 0:ecc3925d3f8c | 434 | static uint16_t status; |
Perijah | 0:ecc3925d3f8c | 435 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 436 | |
Perijah | 0:ecc3925d3f8c | 437 | if (device.state != CONFIGURED) |
Perijah | 0:ecc3925d3f8c | 438 | { |
Perijah | 0:ecc3925d3f8c | 439 | /* Endpoint or interface must be zero */ |
Perijah | 0:ecc3925d3f8c | 440 | if (transfer.setup.wIndex != 0) |
Perijah | 0:ecc3925d3f8c | 441 | { |
Perijah | 0:ecc3925d3f8c | 442 | return false; |
Perijah | 0:ecc3925d3f8c | 443 | } |
Perijah | 0:ecc3925d3f8c | 444 | } |
Perijah | 0:ecc3925d3f8c | 445 | |
Perijah | 0:ecc3925d3f8c | 446 | switch (transfer.setup.bmRequestType.Recipient) |
Perijah | 0:ecc3925d3f8c | 447 | { |
Perijah | 0:ecc3925d3f8c | 448 | case DEVICE_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 449 | /* TODO: Currently only supports self powered devices */ |
Perijah | 0:ecc3925d3f8c | 450 | status = DEVICE_STATUS_SELF_POWERED; |
Perijah | 0:ecc3925d3f8c | 451 | success = true; |
Perijah | 0:ecc3925d3f8c | 452 | break; |
Perijah | 0:ecc3925d3f8c | 453 | case INTERFACE_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 454 | status = 0; |
Perijah | 0:ecc3925d3f8c | 455 | success = true; |
Perijah | 0:ecc3925d3f8c | 456 | break; |
Perijah | 0:ecc3925d3f8c | 457 | case ENDPOINT_RECIPIENT: |
Perijah | 0:ecc3925d3f8c | 458 | /* TODO: We should check that the endpoint number is valid */ |
Perijah | 0:ecc3925d3f8c | 459 | if (getEndpointStallState( |
Perijah | 0:ecc3925d3f8c | 460 | WINDEX_TO_PHYSICAL(transfer.setup.wIndex))) |
Perijah | 0:ecc3925d3f8c | 461 | { |
Perijah | 0:ecc3925d3f8c | 462 | status = ENDPOINT_STATUS_HALT; |
Perijah | 0:ecc3925d3f8c | 463 | } |
Perijah | 0:ecc3925d3f8c | 464 | else |
Perijah | 0:ecc3925d3f8c | 465 | { |
Perijah | 0:ecc3925d3f8c | 466 | status = 0; |
Perijah | 0:ecc3925d3f8c | 467 | } |
Perijah | 0:ecc3925d3f8c | 468 | success = true; |
Perijah | 0:ecc3925d3f8c | 469 | break; |
Perijah | 0:ecc3925d3f8c | 470 | default: |
Perijah | 0:ecc3925d3f8c | 471 | break; |
Perijah | 0:ecc3925d3f8c | 472 | } |
Perijah | 0:ecc3925d3f8c | 473 | |
Perijah | 0:ecc3925d3f8c | 474 | if (success) |
Perijah | 0:ecc3925d3f8c | 475 | { |
Perijah | 0:ecc3925d3f8c | 476 | /* Send the status */ |
Perijah | 0:ecc3925d3f8c | 477 | transfer.ptr = (uint8_t *)&status; /* Assumes little endian */ |
Perijah | 0:ecc3925d3f8c | 478 | transfer.remaining = sizeof(status); |
Perijah | 0:ecc3925d3f8c | 479 | transfer.direction = DEVICE_TO_HOST; |
Perijah | 0:ecc3925d3f8c | 480 | } |
Perijah | 0:ecc3925d3f8c | 481 | |
Perijah | 0:ecc3925d3f8c | 482 | return success; |
Perijah | 0:ecc3925d3f8c | 483 | } |
Perijah | 0:ecc3925d3f8c | 484 | |
Perijah | 0:ecc3925d3f8c | 485 | bool USBDevice::requestSetup(void) |
Perijah | 0:ecc3925d3f8c | 486 | { |
Perijah | 0:ecc3925d3f8c | 487 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 488 | |
Perijah | 0:ecc3925d3f8c | 489 | /* Process standard requests */ |
Perijah | 0:ecc3925d3f8c | 490 | if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE)) |
Perijah | 0:ecc3925d3f8c | 491 | { |
Perijah | 0:ecc3925d3f8c | 492 | switch (transfer.setup.bRequest) |
Perijah | 0:ecc3925d3f8c | 493 | { |
Perijah | 0:ecc3925d3f8c | 494 | case GET_STATUS: |
Perijah | 0:ecc3925d3f8c | 495 | success = requestGetStatus(); |
Perijah | 0:ecc3925d3f8c | 496 | break; |
Perijah | 0:ecc3925d3f8c | 497 | case CLEAR_FEATURE: |
Perijah | 0:ecc3925d3f8c | 498 | success = requestClearFeature(); |
Perijah | 0:ecc3925d3f8c | 499 | break; |
Perijah | 0:ecc3925d3f8c | 500 | case SET_FEATURE: |
Perijah | 0:ecc3925d3f8c | 501 | success = requestSetFeature(); |
Perijah | 0:ecc3925d3f8c | 502 | break; |
Perijah | 0:ecc3925d3f8c | 503 | case SET_ADDRESS: |
Perijah | 0:ecc3925d3f8c | 504 | success = requestSetAddress(); |
Perijah | 0:ecc3925d3f8c | 505 | break; |
Perijah | 0:ecc3925d3f8c | 506 | case GET_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 507 | success = requestGetDescriptor(); |
Perijah | 0:ecc3925d3f8c | 508 | break; |
Perijah | 0:ecc3925d3f8c | 509 | case SET_DESCRIPTOR: |
Perijah | 0:ecc3925d3f8c | 510 | /* TODO: Support is optional, not implemented here */ |
Perijah | 0:ecc3925d3f8c | 511 | success = false; |
Perijah | 0:ecc3925d3f8c | 512 | break; |
Perijah | 0:ecc3925d3f8c | 513 | case GET_CONFIGURATION: |
Perijah | 0:ecc3925d3f8c | 514 | success = requestGetConfiguration(); |
Perijah | 0:ecc3925d3f8c | 515 | break; |
Perijah | 0:ecc3925d3f8c | 516 | case SET_CONFIGURATION: |
Perijah | 0:ecc3925d3f8c | 517 | success = requestSetConfiguration(); |
Perijah | 0:ecc3925d3f8c | 518 | break; |
Perijah | 0:ecc3925d3f8c | 519 | case GET_INTERFACE: |
Perijah | 0:ecc3925d3f8c | 520 | success = requestGetInterface(); |
Perijah | 0:ecc3925d3f8c | 521 | break; |
Perijah | 0:ecc3925d3f8c | 522 | case SET_INTERFACE: |
Perijah | 0:ecc3925d3f8c | 523 | success = requestSetInterface(); |
Perijah | 0:ecc3925d3f8c | 524 | break; |
Perijah | 0:ecc3925d3f8c | 525 | default: |
Perijah | 0:ecc3925d3f8c | 526 | break; |
Perijah | 0:ecc3925d3f8c | 527 | } |
Perijah | 0:ecc3925d3f8c | 528 | } |
Perijah | 0:ecc3925d3f8c | 529 | |
Perijah | 0:ecc3925d3f8c | 530 | return success; |
Perijah | 0:ecc3925d3f8c | 531 | } |
Perijah | 0:ecc3925d3f8c | 532 | |
Perijah | 0:ecc3925d3f8c | 533 | bool USBDevice::controlSetup(void) |
Perijah | 0:ecc3925d3f8c | 534 | { |
Perijah | 0:ecc3925d3f8c | 535 | bool success = false; |
Perijah | 0:ecc3925d3f8c | 536 | |
Perijah | 0:ecc3925d3f8c | 537 | /* Control transfer setup stage */ |
Perijah | 0:ecc3925d3f8c | 538 | uint8_t buffer[MAX_PACKET_SIZE_EP0]; |
Perijah | 0:ecc3925d3f8c | 539 | |
Perijah | 0:ecc3925d3f8c | 540 | EP0setup(buffer); |
Perijah | 0:ecc3925d3f8c | 541 | |
Perijah | 0:ecc3925d3f8c | 542 | /* Initialise control transfer state */ |
Perijah | 0:ecc3925d3f8c | 543 | decodeSetupPacket(buffer, &transfer.setup); |
Perijah | 0:ecc3925d3f8c | 544 | transfer.ptr = NULL; |
Perijah | 0:ecc3925d3f8c | 545 | transfer.remaining = 0; |
Perijah | 0:ecc3925d3f8c | 546 | transfer.direction = 0; |
Perijah | 0:ecc3925d3f8c | 547 | transfer.zlp = false; |
Perijah | 0:ecc3925d3f8c | 548 | transfer.notify = false; |
Perijah | 0:ecc3925d3f8c | 549 | |
Perijah | 0:ecc3925d3f8c | 550 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 551 | printf("dataTransferDirection: %d\r\nType: %d\r\nRecipient: %d\r\nbRequest: %d\r\nwValue: %d\r\nwIndex: %d\r\nwLength: %d\r\n",transfer.setup.bmRequestType.dataTransferDirection, |
Perijah | 0:ecc3925d3f8c | 552 | transfer.setup.bmRequestType.Type, |
Perijah | 0:ecc3925d3f8c | 553 | transfer.setup.bmRequestType.Recipient, |
Perijah | 0:ecc3925d3f8c | 554 | transfer.setup.bRequest, |
Perijah | 0:ecc3925d3f8c | 555 | transfer.setup.wValue, |
Perijah | 0:ecc3925d3f8c | 556 | transfer.setup.wIndex, |
Perijah | 0:ecc3925d3f8c | 557 | transfer.setup.wLength); |
Perijah | 0:ecc3925d3f8c | 558 | #endif |
Perijah | 0:ecc3925d3f8c | 559 | |
Perijah | 0:ecc3925d3f8c | 560 | /* Class / vendor specific */ |
Perijah | 0:ecc3925d3f8c | 561 | success = USBCallback_request(); |
Perijah | 0:ecc3925d3f8c | 562 | |
Perijah | 0:ecc3925d3f8c | 563 | if (!success) |
Perijah | 0:ecc3925d3f8c | 564 | { |
Perijah | 0:ecc3925d3f8c | 565 | /* Standard requests */ |
Perijah | 0:ecc3925d3f8c | 566 | if (!requestSetup()) |
Perijah | 0:ecc3925d3f8c | 567 | { |
Perijah | 0:ecc3925d3f8c | 568 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 569 | printf("fail!!!!\r\n"); |
Perijah | 0:ecc3925d3f8c | 570 | #endif |
Perijah | 0:ecc3925d3f8c | 571 | return false; |
Perijah | 0:ecc3925d3f8c | 572 | } |
Perijah | 0:ecc3925d3f8c | 573 | } |
Perijah | 0:ecc3925d3f8c | 574 | |
Perijah | 0:ecc3925d3f8c | 575 | /* Check transfer size and direction */ |
Perijah | 0:ecc3925d3f8c | 576 | if (transfer.setup.wLength>0) |
Perijah | 0:ecc3925d3f8c | 577 | { |
Perijah | 0:ecc3925d3f8c | 578 | if (transfer.setup.bmRequestType.dataTransferDirection \ |
Perijah | 0:ecc3925d3f8c | 579 | == DEVICE_TO_HOST) |
Perijah | 0:ecc3925d3f8c | 580 | { |
Perijah | 0:ecc3925d3f8c | 581 | /* IN data stage is required */ |
Perijah | 0:ecc3925d3f8c | 582 | if (transfer.direction != DEVICE_TO_HOST) |
Perijah | 0:ecc3925d3f8c | 583 | { |
Perijah | 0:ecc3925d3f8c | 584 | return false; |
Perijah | 0:ecc3925d3f8c | 585 | } |
Perijah | 0:ecc3925d3f8c | 586 | |
Perijah | 0:ecc3925d3f8c | 587 | /* Transfer must be less than or equal to the size */ |
Perijah | 0:ecc3925d3f8c | 588 | /* requested by the host */ |
Perijah | 0:ecc3925d3f8c | 589 | if (transfer.remaining > transfer.setup.wLength) |
Perijah | 0:ecc3925d3f8c | 590 | { |
Perijah | 0:ecc3925d3f8c | 591 | transfer.remaining = transfer.setup.wLength; |
Perijah | 0:ecc3925d3f8c | 592 | } |
Perijah | 0:ecc3925d3f8c | 593 | } |
Perijah | 0:ecc3925d3f8c | 594 | else |
Perijah | 0:ecc3925d3f8c | 595 | { |
Perijah | 0:ecc3925d3f8c | 596 | |
Perijah | 0:ecc3925d3f8c | 597 | /* OUT data stage is required */ |
Perijah | 0:ecc3925d3f8c | 598 | if (transfer.direction != HOST_TO_DEVICE) |
Perijah | 0:ecc3925d3f8c | 599 | { |
Perijah | 0:ecc3925d3f8c | 600 | return false; |
Perijah | 0:ecc3925d3f8c | 601 | } |
Perijah | 0:ecc3925d3f8c | 602 | |
Perijah | 0:ecc3925d3f8c | 603 | /* Transfer must be equal to the size requested by the host */ |
Perijah | 0:ecc3925d3f8c | 604 | if (transfer.remaining != transfer.setup.wLength) |
Perijah | 0:ecc3925d3f8c | 605 | { |
Perijah | 0:ecc3925d3f8c | 606 | return false; |
Perijah | 0:ecc3925d3f8c | 607 | } |
Perijah | 0:ecc3925d3f8c | 608 | } |
Perijah | 0:ecc3925d3f8c | 609 | } |
Perijah | 0:ecc3925d3f8c | 610 | else |
Perijah | 0:ecc3925d3f8c | 611 | { |
Perijah | 0:ecc3925d3f8c | 612 | /* No data stage; transfer size must be zero */ |
Perijah | 0:ecc3925d3f8c | 613 | if (transfer.remaining != 0) |
Perijah | 0:ecc3925d3f8c | 614 | { |
Perijah | 0:ecc3925d3f8c | 615 | return false; |
Perijah | 0:ecc3925d3f8c | 616 | } |
Perijah | 0:ecc3925d3f8c | 617 | } |
Perijah | 0:ecc3925d3f8c | 618 | |
Perijah | 0:ecc3925d3f8c | 619 | /* Data or status stage if applicable */ |
Perijah | 0:ecc3925d3f8c | 620 | if (transfer.setup.wLength>0) |
Perijah | 0:ecc3925d3f8c | 621 | { |
Perijah | 0:ecc3925d3f8c | 622 | if (transfer.setup.bmRequestType.dataTransferDirection \ |
Perijah | 0:ecc3925d3f8c | 623 | == DEVICE_TO_HOST) |
Perijah | 0:ecc3925d3f8c | 624 | { |
Perijah | 0:ecc3925d3f8c | 625 | /* Check if we'll need to send a zero length packet at */ |
Perijah | 0:ecc3925d3f8c | 626 | /* the end of this transfer */ |
Perijah | 0:ecc3925d3f8c | 627 | if (transfer.setup.wLength > transfer.remaining) |
Perijah | 0:ecc3925d3f8c | 628 | { |
Perijah | 0:ecc3925d3f8c | 629 | /* Device wishes to transfer less than host requested */ |
Perijah | 0:ecc3925d3f8c | 630 | if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0) |
Perijah | 0:ecc3925d3f8c | 631 | { |
Perijah | 0:ecc3925d3f8c | 632 | /* Transfer is a multiple of EP0 max packet size */ |
Perijah | 0:ecc3925d3f8c | 633 | transfer.zlp = true; |
Perijah | 0:ecc3925d3f8c | 634 | } |
Perijah | 0:ecc3925d3f8c | 635 | } |
Perijah | 0:ecc3925d3f8c | 636 | |
Perijah | 0:ecc3925d3f8c | 637 | /* IN stage */ |
Perijah | 0:ecc3925d3f8c | 638 | controlIn(); |
Perijah | 0:ecc3925d3f8c | 639 | } |
Perijah | 0:ecc3925d3f8c | 640 | else |
Perijah | 0:ecc3925d3f8c | 641 | { |
Perijah | 0:ecc3925d3f8c | 642 | /* OUT stage */ |
Perijah | 0:ecc3925d3f8c | 643 | EP0read(); |
Perijah | 0:ecc3925d3f8c | 644 | } |
Perijah | 0:ecc3925d3f8c | 645 | } |
Perijah | 0:ecc3925d3f8c | 646 | else |
Perijah | 0:ecc3925d3f8c | 647 | { |
Perijah | 0:ecc3925d3f8c | 648 | /* Status stage */ |
Perijah | 0:ecc3925d3f8c | 649 | EP0write(NULL, 0); |
Perijah | 0:ecc3925d3f8c | 650 | } |
Perijah | 0:ecc3925d3f8c | 651 | |
Perijah | 0:ecc3925d3f8c | 652 | return true; |
Perijah | 0:ecc3925d3f8c | 653 | } |
Perijah | 0:ecc3925d3f8c | 654 | |
Perijah | 0:ecc3925d3f8c | 655 | void USBDevice::busReset(void) |
Perijah | 0:ecc3925d3f8c | 656 | { |
Perijah | 0:ecc3925d3f8c | 657 | device.state = DEFAULT; |
Perijah | 0:ecc3925d3f8c | 658 | device.configuration = 0; |
Perijah | 0:ecc3925d3f8c | 659 | device.suspended = false; |
Perijah | 0:ecc3925d3f8c | 660 | |
Perijah | 0:ecc3925d3f8c | 661 | /* Call class / vendor specific busReset function */ |
Perijah | 0:ecc3925d3f8c | 662 | USBCallback_busReset(); |
Perijah | 0:ecc3925d3f8c | 663 | } |
Perijah | 0:ecc3925d3f8c | 664 | |
Perijah | 0:ecc3925d3f8c | 665 | void USBDevice::EP0setupCallback(void) |
Perijah | 0:ecc3925d3f8c | 666 | { |
Perijah | 0:ecc3925d3f8c | 667 | /* Endpoint 0 setup event */ |
Perijah | 0:ecc3925d3f8c | 668 | if (!controlSetup()) |
Perijah | 0:ecc3925d3f8c | 669 | { |
Perijah | 0:ecc3925d3f8c | 670 | /* Protocol stall */ |
Perijah | 0:ecc3925d3f8c | 671 | EP0stall(); |
Perijah | 0:ecc3925d3f8c | 672 | } |
Perijah | 0:ecc3925d3f8c | 673 | |
Perijah | 0:ecc3925d3f8c | 674 | /* Return true if an OUT data stage is expected */ |
Perijah | 0:ecc3925d3f8c | 675 | } |
Perijah | 0:ecc3925d3f8c | 676 | |
Perijah | 0:ecc3925d3f8c | 677 | void USBDevice::EP0out(void) |
Perijah | 0:ecc3925d3f8c | 678 | { |
Perijah | 0:ecc3925d3f8c | 679 | /* Endpoint 0 OUT data event */ |
Perijah | 0:ecc3925d3f8c | 680 | if (!controlOut()) |
Perijah | 0:ecc3925d3f8c | 681 | { |
Perijah | 0:ecc3925d3f8c | 682 | /* Protocol stall; this will stall both endpoints */ |
Perijah | 0:ecc3925d3f8c | 683 | EP0stall(); |
Perijah | 0:ecc3925d3f8c | 684 | } |
Perijah | 0:ecc3925d3f8c | 685 | } |
Perijah | 0:ecc3925d3f8c | 686 | |
Perijah | 0:ecc3925d3f8c | 687 | void USBDevice::EP0in(void) |
Perijah | 0:ecc3925d3f8c | 688 | { |
Perijah | 0:ecc3925d3f8c | 689 | #ifdef DEBUG |
Perijah | 0:ecc3925d3f8c | 690 | printf("EP0IN\r\n"); |
Perijah | 0:ecc3925d3f8c | 691 | #endif |
Perijah | 0:ecc3925d3f8c | 692 | /* Endpoint 0 IN data event */ |
Perijah | 0:ecc3925d3f8c | 693 | if (!controlIn()) |
Perijah | 0:ecc3925d3f8c | 694 | { |
Perijah | 0:ecc3925d3f8c | 695 | /* Protocol stall; this will stall both endpoints */ |
Perijah | 0:ecc3925d3f8c | 696 | EP0stall(); |
Perijah | 0:ecc3925d3f8c | 697 | } |
Perijah | 0:ecc3925d3f8c | 698 | } |
Perijah | 0:ecc3925d3f8c | 699 | |
Perijah | 0:ecc3925d3f8c | 700 | bool USBDevice::configured(void) |
Perijah | 0:ecc3925d3f8c | 701 | { |
Perijah | 0:ecc3925d3f8c | 702 | /* Returns true if device is in the CONFIGURED state */ |
Perijah | 0:ecc3925d3f8c | 703 | return (device.state == CONFIGURED); |
Perijah | 0:ecc3925d3f8c | 704 | } |
Perijah | 0:ecc3925d3f8c | 705 | |
Perijah | 0:ecc3925d3f8c | 706 | void USBDevice::connect(void) |
Perijah | 0:ecc3925d3f8c | 707 | { |
Perijah | 0:ecc3925d3f8c | 708 | /* Connect device */ |
Perijah | 0:ecc3925d3f8c | 709 | USBHAL::connect(); |
Perijah | 0:ecc3925d3f8c | 710 | /* Block if not configured */ |
Perijah | 0:ecc3925d3f8c | 711 | while (!configured()); |
Perijah | 0:ecc3925d3f8c | 712 | } |
Perijah | 0:ecc3925d3f8c | 713 | |
Perijah | 0:ecc3925d3f8c | 714 | void USBDevice::disconnect(void) |
Perijah | 0:ecc3925d3f8c | 715 | { |
Perijah | 0:ecc3925d3f8c | 716 | /* Disconnect device */ |
Perijah | 0:ecc3925d3f8c | 717 | USBHAL::disconnect(); |
Perijah | 0:ecc3925d3f8c | 718 | } |
Perijah | 0:ecc3925d3f8c | 719 | |
Perijah | 0:ecc3925d3f8c | 720 | CONTROL_TRANSFER * USBDevice::getTransferPtr(void) |
Perijah | 0:ecc3925d3f8c | 721 | { |
Perijah | 0:ecc3925d3f8c | 722 | return &transfer; |
Perijah | 0:ecc3925d3f8c | 723 | } |
Perijah | 0:ecc3925d3f8c | 724 | |
Perijah | 0:ecc3925d3f8c | 725 | bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket) |
Perijah | 0:ecc3925d3f8c | 726 | { |
Perijah | 0:ecc3925d3f8c | 727 | return realiseEndpoint(endpoint, maxPacket, 0); |
Perijah | 0:ecc3925d3f8c | 728 | } |
Perijah | 0:ecc3925d3f8c | 729 | |
Perijah | 0:ecc3925d3f8c | 730 | bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket) |
Perijah | 0:ecc3925d3f8c | 731 | { |
Perijah | 0:ecc3925d3f8c | 732 | /* For interrupt endpoints only */ |
Perijah | 0:ecc3925d3f8c | 733 | return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE); |
Perijah | 0:ecc3925d3f8c | 734 | } |
Perijah | 0:ecc3925d3f8c | 735 | |
Perijah | 0:ecc3925d3f8c | 736 | uint8_t * USBDevice::findDescriptor(uint8_t descriptorType) |
Perijah | 0:ecc3925d3f8c | 737 | { |
Perijah | 0:ecc3925d3f8c | 738 | /* Find a descriptor within the list of descriptors */ |
Perijah | 0:ecc3925d3f8c | 739 | /* following a configuration descriptor. */ |
Perijah | 0:ecc3925d3f8c | 740 | uint16_t wTotalLength; |
Perijah | 0:ecc3925d3f8c | 741 | uint8_t *ptr; |
Perijah | 0:ecc3925d3f8c | 742 | |
Perijah | 0:ecc3925d3f8c | 743 | if (configurationDesc() == NULL) |
Perijah | 0:ecc3925d3f8c | 744 | { |
Perijah | 0:ecc3925d3f8c | 745 | return NULL; |
Perijah | 0:ecc3925d3f8c | 746 | } |
Perijah | 0:ecc3925d3f8c | 747 | |
Perijah | 0:ecc3925d3f8c | 748 | /* Check this is a configuration descriptor */ |
Perijah | 0:ecc3925d3f8c | 749 | if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \ |
Perijah | 0:ecc3925d3f8c | 750 | || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR)) |
Perijah | 0:ecc3925d3f8c | 751 | { |
Perijah | 0:ecc3925d3f8c | 752 | return NULL; |
Perijah | 0:ecc3925d3f8c | 753 | } |
Perijah | 0:ecc3925d3f8c | 754 | |
Perijah | 0:ecc3925d3f8c | 755 | wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8); |
Perijah | 0:ecc3925d3f8c | 756 | |
Perijah | 0:ecc3925d3f8c | 757 | /* Check there are some more descriptors to follow */ |
Perijah | 0:ecc3925d3f8c | 758 | if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2)) |
Perijah | 0:ecc3925d3f8c | 759 | /* +2 is for bLength and bDescriptorType of next descriptor */ |
Perijah | 0:ecc3925d3f8c | 760 | { |
Perijah | 0:ecc3925d3f8c | 761 | return false; |
Perijah | 0:ecc3925d3f8c | 762 | } |
Perijah | 0:ecc3925d3f8c | 763 | |
Perijah | 0:ecc3925d3f8c | 764 | /* Start at first descriptor after the configuration descriptor */ |
Perijah | 0:ecc3925d3f8c | 765 | ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]); |
Perijah | 0:ecc3925d3f8c | 766 | |
Perijah | 0:ecc3925d3f8c | 767 | do { |
Perijah | 0:ecc3925d3f8c | 768 | if (ptr[1] /* bDescriptorType */ == descriptorType) |
Perijah | 0:ecc3925d3f8c | 769 | { |
Perijah | 0:ecc3925d3f8c | 770 | /* Found */ |
Perijah | 0:ecc3925d3f8c | 771 | return ptr; |
Perijah | 0:ecc3925d3f8c | 772 | } |
Perijah | 0:ecc3925d3f8c | 773 | |
Perijah | 0:ecc3925d3f8c | 774 | /* Skip to next descriptor */ |
Perijah | 0:ecc3925d3f8c | 775 | ptr += ptr[0]; /* bLength */ |
Perijah | 0:ecc3925d3f8c | 776 | } while (ptr < (configurationDesc() + wTotalLength)); |
Perijah | 0:ecc3925d3f8c | 777 | |
Perijah | 0:ecc3925d3f8c | 778 | /* Reached end of the descriptors - not found */ |
Perijah | 0:ecc3925d3f8c | 779 | return NULL; |
Perijah | 0:ecc3925d3f8c | 780 | } |
Perijah | 0:ecc3925d3f8c | 781 | |
Perijah | 0:ecc3925d3f8c | 782 | |
Perijah | 0:ecc3925d3f8c | 783 | void USBDevice::connectStateChanged(unsigned int connected) |
Perijah | 0:ecc3925d3f8c | 784 | { |
Perijah | 0:ecc3925d3f8c | 785 | } |
Perijah | 0:ecc3925d3f8c | 786 | |
Perijah | 0:ecc3925d3f8c | 787 | void USBDevice::suspendStateChanged(unsigned int suspended) |
Perijah | 0:ecc3925d3f8c | 788 | { |
Perijah | 0:ecc3925d3f8c | 789 | } |
Perijah | 0:ecc3925d3f8c | 790 | |
Perijah | 0:ecc3925d3f8c | 791 | |
Perijah | 0:ecc3925d3f8c | 792 | USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){ |
Perijah | 0:ecc3925d3f8c | 793 | VENDOR_ID = vendor_id; |
Perijah | 0:ecc3925d3f8c | 794 | PRODUCT_ID = product_id; |
Perijah | 0:ecc3925d3f8c | 795 | PRODUCT_RELEASE = product_release; |
Perijah | 0:ecc3925d3f8c | 796 | |
Perijah | 0:ecc3925d3f8c | 797 | /* Set initial device state */ |
Perijah | 0:ecc3925d3f8c | 798 | device.state = POWERED; |
Perijah | 0:ecc3925d3f8c | 799 | device.configuration = 0; |
Perijah | 0:ecc3925d3f8c | 800 | device.suspended = false; |
Perijah | 0:ecc3925d3f8c | 801 | }; |
Perijah | 0:ecc3925d3f8c | 802 | |
Perijah | 0:ecc3925d3f8c | 803 | |
Perijah | 0:ecc3925d3f8c | 804 | bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize) |
Perijah | 0:ecc3925d3f8c | 805 | { |
Perijah | 0:ecc3925d3f8c | 806 | return endpointRead(endpoint, maxSize) == EP_PENDING; |
Perijah | 0:ecc3925d3f8c | 807 | } |
Perijah | 0:ecc3925d3f8c | 808 | |
Perijah | 0:ecc3925d3f8c | 809 | |
Perijah | 0:ecc3925d3f8c | 810 | bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize) |
Perijah | 0:ecc3925d3f8c | 811 | { |
Perijah | 0:ecc3925d3f8c | 812 | EP_STATUS result; |
Perijah | 0:ecc3925d3f8c | 813 | |
Perijah | 0:ecc3925d3f8c | 814 | if (size > maxSize) |
Perijah | 0:ecc3925d3f8c | 815 | { |
Perijah | 0:ecc3925d3f8c | 816 | return false; |
Perijah | 0:ecc3925d3f8c | 817 | } |
Perijah | 0:ecc3925d3f8c | 818 | |
Perijah | 0:ecc3925d3f8c | 819 | |
Perijah | 0:ecc3925d3f8c | 820 | if(!configured()) { |
Perijah | 0:ecc3925d3f8c | 821 | return false; |
Perijah | 0:ecc3925d3f8c | 822 | } |
Perijah | 0:ecc3925d3f8c | 823 | |
Perijah | 0:ecc3925d3f8c | 824 | /* Send report */ |
Perijah | 0:ecc3925d3f8c | 825 | result = endpointWrite(endpoint, buffer, size); |
Perijah | 0:ecc3925d3f8c | 826 | |
Perijah | 0:ecc3925d3f8c | 827 | if (result != EP_PENDING) |
Perijah | 0:ecc3925d3f8c | 828 | { |
Perijah | 0:ecc3925d3f8c | 829 | return false; |
Perijah | 0:ecc3925d3f8c | 830 | } |
Perijah | 0:ecc3925d3f8c | 831 | |
Perijah | 0:ecc3925d3f8c | 832 | /* Wait for completion */ |
Perijah | 0:ecc3925d3f8c | 833 | do { |
Perijah | 0:ecc3925d3f8c | 834 | result = endpointWriteResult(endpoint); |
Perijah | 0:ecc3925d3f8c | 835 | } while ((result == EP_PENDING) && configured()); |
Perijah | 0:ecc3925d3f8c | 836 | |
Perijah | 0:ecc3925d3f8c | 837 | return (result == EP_COMPLETED); |
Perijah | 0:ecc3925d3f8c | 838 | } |
Perijah | 0:ecc3925d3f8c | 839 | |
Perijah | 0:ecc3925d3f8c | 840 | |
Perijah | 0:ecc3925d3f8c | 841 | bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize) |
Perijah | 0:ecc3925d3f8c | 842 | { |
Perijah | 0:ecc3925d3f8c | 843 | EP_STATUS result; |
Perijah | 0:ecc3925d3f8c | 844 | |
Perijah | 0:ecc3925d3f8c | 845 | if (size > maxSize) |
Perijah | 0:ecc3925d3f8c | 846 | { |
Perijah | 0:ecc3925d3f8c | 847 | return false; |
Perijah | 0:ecc3925d3f8c | 848 | } |
Perijah | 0:ecc3925d3f8c | 849 | |
Perijah | 0:ecc3925d3f8c | 850 | if(!configured()) { |
Perijah | 0:ecc3925d3f8c | 851 | return false; |
Perijah | 0:ecc3925d3f8c | 852 | } |
Perijah | 0:ecc3925d3f8c | 853 | |
Perijah | 0:ecc3925d3f8c | 854 | /* Send report */ |
Perijah | 0:ecc3925d3f8c | 855 | result = endpointWrite(endpoint, buffer, size); |
Perijah | 0:ecc3925d3f8c | 856 | |
Perijah | 0:ecc3925d3f8c | 857 | if (result != EP_PENDING) |
Perijah | 0:ecc3925d3f8c | 858 | { |
Perijah | 0:ecc3925d3f8c | 859 | return false; |
Perijah | 0:ecc3925d3f8c | 860 | } |
Perijah | 0:ecc3925d3f8c | 861 | |
Perijah | 0:ecc3925d3f8c | 862 | result = endpointWriteResult(endpoint); |
Perijah | 0:ecc3925d3f8c | 863 | |
Perijah | 0:ecc3925d3f8c | 864 | return (result == EP_COMPLETED); |
Perijah | 0:ecc3925d3f8c | 865 | } |
Perijah | 0:ecc3925d3f8c | 866 | |
Perijah | 0:ecc3925d3f8c | 867 | |
Perijah | 0:ecc3925d3f8c | 868 | |
Perijah | 0:ecc3925d3f8c | 869 | bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize) |
Perijah | 0:ecc3925d3f8c | 870 | { |
Perijah | 0:ecc3925d3f8c | 871 | EP_STATUS result; |
Perijah | 0:ecc3925d3f8c | 872 | |
Perijah | 0:ecc3925d3f8c | 873 | if(!configured()) { |
Perijah | 0:ecc3925d3f8c | 874 | return false; |
Perijah | 0:ecc3925d3f8c | 875 | } |
Perijah | 0:ecc3925d3f8c | 876 | |
Perijah | 0:ecc3925d3f8c | 877 | /* Wait for completion */ |
Perijah | 0:ecc3925d3f8c | 878 | do { |
Perijah | 0:ecc3925d3f8c | 879 | result = endpointReadResult(endpoint, buffer, size); |
Perijah | 0:ecc3925d3f8c | 880 | } while ((result == EP_PENDING) && configured()); |
Perijah | 0:ecc3925d3f8c | 881 | |
Perijah | 0:ecc3925d3f8c | 882 | return (result == EP_COMPLETED); |
Perijah | 0:ecc3925d3f8c | 883 | } |
Perijah | 0:ecc3925d3f8c | 884 | |
Perijah | 0:ecc3925d3f8c | 885 | |
Perijah | 0:ecc3925d3f8c | 886 | bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize) |
Perijah | 0:ecc3925d3f8c | 887 | { |
Perijah | 0:ecc3925d3f8c | 888 | EP_STATUS result; |
Perijah | 0:ecc3925d3f8c | 889 | |
Perijah | 0:ecc3925d3f8c | 890 | if(!configured()) { |
Perijah | 0:ecc3925d3f8c | 891 | return false; |
Perijah | 0:ecc3925d3f8c | 892 | } |
Perijah | 0:ecc3925d3f8c | 893 | |
Perijah | 0:ecc3925d3f8c | 894 | result = endpointReadResult(endpoint, buffer, size); |
Perijah | 0:ecc3925d3f8c | 895 | |
Perijah | 0:ecc3925d3f8c | 896 | return (result == EP_COMPLETED); |
Perijah | 0:ecc3925d3f8c | 897 | } |
Perijah | 0:ecc3925d3f8c | 898 | |
Perijah | 0:ecc3925d3f8c | 899 | |
Perijah | 0:ecc3925d3f8c | 900 | |
Perijah | 0:ecc3925d3f8c | 901 | uint8_t * USBDevice::deviceDesc() { |
Perijah | 0:ecc3925d3f8c | 902 | static uint8_t deviceDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 903 | DEVICE_DESCRIPTOR_LENGTH, /* bLength */ |
Perijah | 0:ecc3925d3f8c | 904 | DEVICE_DESCRIPTOR, /* bDescriptorType */ |
Perijah | 0:ecc3925d3f8c | 905 | LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */ |
Perijah | 0:ecc3925d3f8c | 906 | MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */ |
Perijah | 0:ecc3925d3f8c | 907 | 0x00, /* bDeviceClass */ |
Perijah | 0:ecc3925d3f8c | 908 | 0x00, /* bDeviceSubClass */ |
Perijah | 0:ecc3925d3f8c | 909 | 0x00, /* bDeviceprotocol */ |
Perijah | 0:ecc3925d3f8c | 910 | MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */ |
Perijah | 0:ecc3925d3f8c | 911 | LSB(VENDOR_ID), /* idVendor (LSB) */ |
Perijah | 0:ecc3925d3f8c | 912 | MSB(VENDOR_ID), /* idVendor (MSB) */ |
Perijah | 0:ecc3925d3f8c | 913 | LSB(PRODUCT_ID), /* idProduct (LSB) */ |
Perijah | 0:ecc3925d3f8c | 914 | MSB(PRODUCT_ID), /* idProduct (MSB) */ |
Perijah | 0:ecc3925d3f8c | 915 | LSB(PRODUCT_RELEASE), /* bcdDevice (LSB) */ |
Perijah | 0:ecc3925d3f8c | 916 | MSB(PRODUCT_RELEASE), /* bcdDevice (MSB) */ |
Perijah | 0:ecc3925d3f8c | 917 | STRING_OFFSET_IMANUFACTURER, /* iManufacturer */ |
Perijah | 0:ecc3925d3f8c | 918 | STRING_OFFSET_IPRODUCT, /* iProduct */ |
Perijah | 0:ecc3925d3f8c | 919 | STRING_OFFSET_ISERIAL, /* iSerialNumber */ |
Perijah | 0:ecc3925d3f8c | 920 | 0x01 /* bNumConfigurations */ |
Perijah | 0:ecc3925d3f8c | 921 | }; |
Perijah | 0:ecc3925d3f8c | 922 | return deviceDescriptor; |
Perijah | 0:ecc3925d3f8c | 923 | } |
Perijah | 0:ecc3925d3f8c | 924 | |
Perijah | 0:ecc3925d3f8c | 925 | uint8_t * USBDevice::stringLangidDesc() { |
Perijah | 0:ecc3925d3f8c | 926 | static uint8_t stringLangidDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 927 | 0x04, /*bLength*/ |
Perijah | 0:ecc3925d3f8c | 928 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
Perijah | 0:ecc3925d3f8c | 929 | 0x09,0x00, /*bString Lang ID - 0x009 - English*/ |
Perijah | 0:ecc3925d3f8c | 930 | }; |
Perijah | 0:ecc3925d3f8c | 931 | return stringLangidDescriptor; |
Perijah | 0:ecc3925d3f8c | 932 | } |
Perijah | 0:ecc3925d3f8c | 933 | |
Perijah | 0:ecc3925d3f8c | 934 | uint8_t * USBDevice::stringImanufacturerDesc() { |
Perijah | 0:ecc3925d3f8c | 935 | static uint8_t stringImanufacturerDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 936 | 0x12, /*bLength*/ |
Perijah | 0:ecc3925d3f8c | 937 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
Perijah | 0:ecc3925d3f8c | 938 | 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/ |
Perijah | 0:ecc3925d3f8c | 939 | }; |
Perijah | 0:ecc3925d3f8c | 940 | return stringImanufacturerDescriptor; |
Perijah | 0:ecc3925d3f8c | 941 | } |
Perijah | 0:ecc3925d3f8c | 942 | |
Perijah | 0:ecc3925d3f8c | 943 | uint8_t * USBDevice::stringIserialDesc() { |
Perijah | 0:ecc3925d3f8c | 944 | static uint8_t stringIserialDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 945 | 0x16, /*bLength*/ |
Perijah | 0:ecc3925d3f8c | 946 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
Perijah | 0:ecc3925d3f8c | 947 | '0',0,'1',0,'2',0,'3',0,'4',0,'5',0,'6',0,'7',0,'8',0,'9',0, /*bString iSerial - 0123456789*/ |
Perijah | 0:ecc3925d3f8c | 948 | }; |
Perijah | 0:ecc3925d3f8c | 949 | return stringIserialDescriptor; |
Perijah | 0:ecc3925d3f8c | 950 | } |
Perijah | 0:ecc3925d3f8c | 951 | |
Perijah | 0:ecc3925d3f8c | 952 | uint8_t * USBDevice::stringIConfigurationDesc() { |
Perijah | 0:ecc3925d3f8c | 953 | static uint8_t stringIconfigurationDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 954 | 0x06, /*bLength*/ |
Perijah | 0:ecc3925d3f8c | 955 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
Perijah | 0:ecc3925d3f8c | 956 | '0',0,'1',0, /*bString iConfiguration - 01*/ |
Perijah | 0:ecc3925d3f8c | 957 | }; |
Perijah | 0:ecc3925d3f8c | 958 | return stringIconfigurationDescriptor; |
Perijah | 0:ecc3925d3f8c | 959 | } |
Perijah | 0:ecc3925d3f8c | 960 | |
Perijah | 0:ecc3925d3f8c | 961 | uint8_t * USBDevice::stringIinterfaceDesc() { |
Perijah | 0:ecc3925d3f8c | 962 | static uint8_t stringIinterfaceDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 963 | 0x08, /*bLength*/ |
Perijah | 0:ecc3925d3f8c | 964 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
Perijah | 0:ecc3925d3f8c | 965 | 'U',0,'S',0,'B',0, /*bString iInterface - USB*/ |
Perijah | 0:ecc3925d3f8c | 966 | }; |
Perijah | 0:ecc3925d3f8c | 967 | return stringIinterfaceDescriptor; |
Perijah | 0:ecc3925d3f8c | 968 | } |
Perijah | 0:ecc3925d3f8c | 969 | |
Perijah | 0:ecc3925d3f8c | 970 | uint8_t * USBDevice::stringIproductDesc() { |
Perijah | 0:ecc3925d3f8c | 971 | static uint8_t stringIproductDescriptor[] = { |
Perijah | 0:ecc3925d3f8c | 972 | 0x16, /*bLength*/ |
Perijah | 0:ecc3925d3f8c | 973 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
Perijah | 0:ecc3925d3f8c | 974 | 'U',0,'S',0,'B',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 /*bString iProduct - USB DEVICE*/ |
Perijah | 0:ecc3925d3f8c | 975 | }; |
Perijah | 0:ecc3925d3f8c | 976 | return stringIproductDescriptor; |
Perijah | 0:ecc3925d3f8c | 977 | } |