Lucas Lim
/
HSP_Temperature_Barometer_CS3237
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USBDevice_copy/USBDevice/USBDevice.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?
| User | Revision | Line number | New 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 | |
| lucaslwl | 22:5c07298d3383 | 21 | #include "USBEndpoints.h" |
| lucaslwl | 22:5c07298d3383 | 22 | #include "USBDevice.h" |
| lucaslwl | 22:5c07298d3383 | 23 | #include "USBDescriptor.h" |
| lucaslwl | 22:5c07298d3383 | 24 | |
| lucaslwl | 22:5c07298d3383 | 25 | //#define DEBUG |
| lucaslwl | 22:5c07298d3383 | 26 | |
| lucaslwl | 22:5c07298d3383 | 27 | /* Device status */ |
| lucaslwl | 22:5c07298d3383 | 28 | #define DEVICE_STATUS_SELF_POWERED (1U<<0) |
| lucaslwl | 22:5c07298d3383 | 29 | #define DEVICE_STATUS_REMOTE_WAKEUP (1U<<1) |
| lucaslwl | 22:5c07298d3383 | 30 | |
| lucaslwl | 22:5c07298d3383 | 31 | /* Endpoint status */ |
| lucaslwl | 22:5c07298d3383 | 32 | #define ENDPOINT_STATUS_HALT (1U<<0) |
| lucaslwl | 22:5c07298d3383 | 33 | |
| lucaslwl | 22:5c07298d3383 | 34 | /* Standard feature selectors */ |
| lucaslwl | 22:5c07298d3383 | 35 | #define DEVICE_REMOTE_WAKEUP (1) |
| lucaslwl | 22:5c07298d3383 | 36 | #define ENDPOINT_HALT (0) |
| lucaslwl | 22:5c07298d3383 | 37 | |
| lucaslwl | 22:5c07298d3383 | 38 | /* Macro to convert wIndex endpoint number to physical endpoint number */ |
| lucaslwl | 22:5c07298d3383 | 39 | #define WINDEX_TO_PHYSICAL(endpoint) (((endpoint & 0x0f) << 1) + \ |
| lucaslwl | 22:5c07298d3383 | 40 | ((endpoint & 0x80) ? 1 : 0)) |
| lucaslwl | 22:5c07298d3383 | 41 | |
| lucaslwl | 22:5c07298d3383 | 42 | |
| lucaslwl | 22:5c07298d3383 | 43 | bool USBDevice::requestGetDescriptor(void) |
| lucaslwl | 22:5c07298d3383 | 44 | { |
| lucaslwl | 22:5c07298d3383 | 45 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 46 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 47 | printf("get descr: type: %d\r\n", DESCRIPTOR_TYPE(transfer.setup.wValue)); |
| lucaslwl | 22:5c07298d3383 | 48 | #endif |
| lucaslwl | 22:5c07298d3383 | 49 | switch (DESCRIPTOR_TYPE(transfer.setup.wValue)) |
| lucaslwl | 22:5c07298d3383 | 50 | { |
| lucaslwl | 22:5c07298d3383 | 51 | case DEVICE_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 52 | if (deviceDesc() != NULL) |
| lucaslwl | 22:5c07298d3383 | 53 | { |
| lucaslwl | 22:5c07298d3383 | 54 | if ((deviceDesc()[0] == DEVICE_DESCRIPTOR_LENGTH) \ |
| lucaslwl | 22:5c07298d3383 | 55 | && (deviceDesc()[1] == DEVICE_DESCRIPTOR)) |
| lucaslwl | 22:5c07298d3383 | 56 | { |
| lucaslwl | 22:5c07298d3383 | 57 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 58 | printf("device descr\r\n"); |
| lucaslwl | 22:5c07298d3383 | 59 | #endif |
| lucaslwl | 22:5c07298d3383 | 60 | transfer.remaining = DEVICE_DESCRIPTOR_LENGTH; |
| lucaslwl | 22:5c07298d3383 | 61 | transfer.ptr = deviceDesc(); |
| lucaslwl | 22:5c07298d3383 | 62 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 63 | success = true; |
| lucaslwl | 22:5c07298d3383 | 64 | } |
| lucaslwl | 22:5c07298d3383 | 65 | } |
| lucaslwl | 22:5c07298d3383 | 66 | break; |
| lucaslwl | 22:5c07298d3383 | 67 | case CONFIGURATION_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 68 | if (configurationDesc() != NULL) |
| lucaslwl | 22:5c07298d3383 | 69 | { |
| lucaslwl | 22:5c07298d3383 | 70 | if ((configurationDesc()[0] == CONFIGURATION_DESCRIPTOR_LENGTH) \ |
| lucaslwl | 22:5c07298d3383 | 71 | && (configurationDesc()[1] == CONFIGURATION_DESCRIPTOR)) |
| lucaslwl | 22:5c07298d3383 | 72 | { |
| lucaslwl | 22:5c07298d3383 | 73 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 74 | printf("conf descr request\r\n"); |
| lucaslwl | 22:5c07298d3383 | 75 | #endif |
| lucaslwl | 22:5c07298d3383 | 76 | /* Get wTotalLength */ |
| lucaslwl | 22:5c07298d3383 | 77 | transfer.remaining = configurationDesc()[2] \ |
| lucaslwl | 22:5c07298d3383 | 78 | | (configurationDesc()[3] << 8); |
| lucaslwl | 22:5c07298d3383 | 79 | |
| lucaslwl | 22:5c07298d3383 | 80 | transfer.ptr = configurationDesc(); |
| lucaslwl | 22:5c07298d3383 | 81 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 82 | success = true; |
| lucaslwl | 22:5c07298d3383 | 83 | } |
| lucaslwl | 22:5c07298d3383 | 84 | } |
| lucaslwl | 22:5c07298d3383 | 85 | break; |
| lucaslwl | 22:5c07298d3383 | 86 | case STRING_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 87 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 88 | printf("str descriptor\r\n"); |
| lucaslwl | 22:5c07298d3383 | 89 | #endif |
| lucaslwl | 22:5c07298d3383 | 90 | switch (DESCRIPTOR_INDEX(transfer.setup.wValue)) |
| lucaslwl | 22:5c07298d3383 | 91 | { |
| lucaslwl | 22:5c07298d3383 | 92 | case STRING_OFFSET_LANGID: |
| lucaslwl | 22:5c07298d3383 | 93 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 94 | printf("1\r\n"); |
| lucaslwl | 22:5c07298d3383 | 95 | #endif |
| lucaslwl | 22:5c07298d3383 | 96 | transfer.remaining = stringLangidDesc()[0]; |
| lucaslwl | 22:5c07298d3383 | 97 | transfer.ptr = stringLangidDesc(); |
| lucaslwl | 22:5c07298d3383 | 98 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 99 | success = true; |
| lucaslwl | 22:5c07298d3383 | 100 | break; |
| lucaslwl | 22:5c07298d3383 | 101 | case STRING_OFFSET_IMANUFACTURER: |
| lucaslwl | 22:5c07298d3383 | 102 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 103 | printf("2\r\n"); |
| lucaslwl | 22:5c07298d3383 | 104 | #endif |
| lucaslwl | 22:5c07298d3383 | 105 | transfer.remaining = stringImanufacturerDesc()[0]; |
| lucaslwl | 22:5c07298d3383 | 106 | transfer.ptr = stringImanufacturerDesc(); |
| lucaslwl | 22:5c07298d3383 | 107 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 108 | success = true; |
| lucaslwl | 22:5c07298d3383 | 109 | break; |
| lucaslwl | 22:5c07298d3383 | 110 | case STRING_OFFSET_IPRODUCT: |
| lucaslwl | 22:5c07298d3383 | 111 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 112 | printf("3\r\n"); |
| lucaslwl | 22:5c07298d3383 | 113 | #endif |
| lucaslwl | 22:5c07298d3383 | 114 | transfer.remaining = stringIproductDesc()[0]; |
| lucaslwl | 22:5c07298d3383 | 115 | transfer.ptr = stringIproductDesc(); |
| lucaslwl | 22:5c07298d3383 | 116 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 117 | success = true; |
| lucaslwl | 22:5c07298d3383 | 118 | break; |
| lucaslwl | 22:5c07298d3383 | 119 | case STRING_OFFSET_ISERIAL: |
| lucaslwl | 22:5c07298d3383 | 120 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 121 | printf("4\r\n"); |
| lucaslwl | 22:5c07298d3383 | 122 | #endif |
| lucaslwl | 22:5c07298d3383 | 123 | transfer.remaining = stringIserialDesc()[0]; |
| lucaslwl | 22:5c07298d3383 | 124 | transfer.ptr = stringIserialDesc(); |
| lucaslwl | 22:5c07298d3383 | 125 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 126 | success = true; |
| lucaslwl | 22:5c07298d3383 | 127 | break; |
| lucaslwl | 22:5c07298d3383 | 128 | case STRING_OFFSET_ICONFIGURATION: |
| lucaslwl | 22:5c07298d3383 | 129 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 130 | printf("5\r\n"); |
| lucaslwl | 22:5c07298d3383 | 131 | #endif |
| lucaslwl | 22:5c07298d3383 | 132 | transfer.remaining = stringIConfigurationDesc()[0]; |
| lucaslwl | 22:5c07298d3383 | 133 | transfer.ptr = stringIConfigurationDesc(); |
| lucaslwl | 22:5c07298d3383 | 134 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 135 | success = true; |
| lucaslwl | 22:5c07298d3383 | 136 | break; |
| lucaslwl | 22:5c07298d3383 | 137 | case STRING_OFFSET_IINTERFACE: |
| lucaslwl | 22:5c07298d3383 | 138 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 139 | printf("6\r\n"); |
| lucaslwl | 22:5c07298d3383 | 140 | #endif |
| lucaslwl | 22:5c07298d3383 | 141 | transfer.remaining = stringIinterfaceDesc()[0]; |
| lucaslwl | 22:5c07298d3383 | 142 | transfer.ptr = stringIinterfaceDesc(); |
| lucaslwl | 22:5c07298d3383 | 143 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 144 | success = true; |
| lucaslwl | 22:5c07298d3383 | 145 | break; |
| lucaslwl | 22:5c07298d3383 | 146 | } |
| lucaslwl | 22:5c07298d3383 | 147 | break; |
| lucaslwl | 22:5c07298d3383 | 148 | case INTERFACE_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 149 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 150 | printf("interface descr\r\n"); |
| lucaslwl | 22:5c07298d3383 | 151 | #endif |
| lucaslwl | 22:5c07298d3383 | 152 | case ENDPOINT_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 153 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 154 | printf("endpoint descr\r\n"); |
| lucaslwl | 22:5c07298d3383 | 155 | #endif |
| lucaslwl | 22:5c07298d3383 | 156 | /* TODO: Support is optional, not implemented here */ |
| lucaslwl | 22:5c07298d3383 | 157 | break; |
| lucaslwl | 22:5c07298d3383 | 158 | default: |
| lucaslwl | 22:5c07298d3383 | 159 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 160 | printf("ERROR\r\n"); |
| lucaslwl | 22:5c07298d3383 | 161 | #endif |
| lucaslwl | 22:5c07298d3383 | 162 | break; |
| lucaslwl | 22:5c07298d3383 | 163 | } |
| lucaslwl | 22:5c07298d3383 | 164 | |
| lucaslwl | 22:5c07298d3383 | 165 | return success; |
| lucaslwl | 22:5c07298d3383 | 166 | } |
| lucaslwl | 22:5c07298d3383 | 167 | |
| lucaslwl | 22:5c07298d3383 | 168 | void USBDevice::decodeSetupPacket(uint8_t *data, SETUP_PACKET *packet) |
| lucaslwl | 22:5c07298d3383 | 169 | { |
| lucaslwl | 22:5c07298d3383 | 170 | /* Fill in the elements of a SETUP_PACKET structure from raw data */ |
| lucaslwl | 22:5c07298d3383 | 171 | packet->bmRequestType.dataTransferDirection = (data[0] & 0x80) >> 7; |
| lucaslwl | 22:5c07298d3383 | 172 | packet->bmRequestType.Type = (data[0] & 0x60) >> 5; |
| lucaslwl | 22:5c07298d3383 | 173 | packet->bmRequestType.Recipient = data[0] & 0x1f; |
| lucaslwl | 22:5c07298d3383 | 174 | packet->bRequest = data[1]; |
| lucaslwl | 22:5c07298d3383 | 175 | packet->wValue = (data[2] | (uint16_t)data[3] << 8); |
| lucaslwl | 22:5c07298d3383 | 176 | packet->wIndex = (data[4] | (uint16_t)data[5] << 8); |
| lucaslwl | 22:5c07298d3383 | 177 | packet->wLength = (data[6] | (uint16_t)data[7] << 8); |
| lucaslwl | 22:5c07298d3383 | 178 | } |
| lucaslwl | 22:5c07298d3383 | 179 | |
| lucaslwl | 22:5c07298d3383 | 180 | |
| lucaslwl | 22:5c07298d3383 | 181 | bool USBDevice::controlOut(void) |
| lucaslwl | 22:5c07298d3383 | 182 | { |
| lucaslwl | 22:5c07298d3383 | 183 | /* Control transfer data OUT stage */ |
| lucaslwl | 22:5c07298d3383 | 184 | uint8_t buffer[MAX_PACKET_SIZE_EP0]; |
| lucaslwl | 22:5c07298d3383 | 185 | uint32_t packetSize; |
| lucaslwl | 22:5c07298d3383 | 186 | |
| lucaslwl | 22:5c07298d3383 | 187 | /* Check we should be transferring data OUT */ |
| lucaslwl | 22:5c07298d3383 | 188 | if (transfer.direction != HOST_TO_DEVICE) |
| lucaslwl | 22:5c07298d3383 | 189 | { |
| lucaslwl | 22:5c07298d3383 | 190 | #if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F) | defined(TARGET_K22F) | defined(TARGET_TEENSY3_1) |
| lucaslwl | 22:5c07298d3383 | 191 | /* |
| lucaslwl | 22:5c07298d3383 | 192 | * We seem to have a pending device-to-host transfer. The host must have |
| lucaslwl | 22:5c07298d3383 | 193 | * sent a new control request without waiting for us to finish processing |
| lucaslwl | 22:5c07298d3383 | 194 | * the previous one. This appears to happen when we're connected to certain |
| lucaslwl | 22:5c07298d3383 | 195 | * USB 3.0 host chip set. Do a zeor-length send to tell the host we're not |
| lucaslwl | 22:5c07298d3383 | 196 | * ready for the new request - that'll make it resend - and then just |
| lucaslwl | 22:5c07298d3383 | 197 | * pretend we were successful here so that the pending transfer can finish. |
| lucaslwl | 22:5c07298d3383 | 198 | */ |
| lucaslwl | 22:5c07298d3383 | 199 | uint8_t buf[1] = { 0 }; |
| lucaslwl | 22:5c07298d3383 | 200 | EP0write(buf, 0); |
| lucaslwl | 22:5c07298d3383 | 201 | |
| lucaslwl | 22:5c07298d3383 | 202 | /* execute our pending ttransfer */ |
| lucaslwl | 22:5c07298d3383 | 203 | controlIn(); |
| lucaslwl | 22:5c07298d3383 | 204 | |
| lucaslwl | 22:5c07298d3383 | 205 | /* indicate success */ |
| lucaslwl | 22:5c07298d3383 | 206 | return true; |
| lucaslwl | 22:5c07298d3383 | 207 | #else |
| lucaslwl | 22:5c07298d3383 | 208 | /* for other platforms, count on the HAL to handle this case */ |
| lucaslwl | 22:5c07298d3383 | 209 | return false; |
| lucaslwl | 22:5c07298d3383 | 210 | #endif |
| lucaslwl | 22:5c07298d3383 | 211 | } |
| lucaslwl | 22:5c07298d3383 | 212 | |
| lucaslwl | 22:5c07298d3383 | 213 | /* Read from endpoint */ |
| lucaslwl | 22:5c07298d3383 | 214 | packetSize = EP0getReadResult(buffer); |
| lucaslwl | 22:5c07298d3383 | 215 | |
| lucaslwl | 22:5c07298d3383 | 216 | /* Check if transfer size is valid */ |
| lucaslwl | 22:5c07298d3383 | 217 | if (packetSize > transfer.remaining) |
| lucaslwl | 22:5c07298d3383 | 218 | { |
| lucaslwl | 22:5c07298d3383 | 219 | /* Too big */ |
| lucaslwl | 22:5c07298d3383 | 220 | return false; |
| lucaslwl | 22:5c07298d3383 | 221 | } |
| lucaslwl | 22:5c07298d3383 | 222 | |
| lucaslwl | 22:5c07298d3383 | 223 | /* Update transfer */ |
| lucaslwl | 22:5c07298d3383 | 224 | transfer.ptr += packetSize; |
| lucaslwl | 22:5c07298d3383 | 225 | transfer.remaining -= packetSize; |
| lucaslwl | 22:5c07298d3383 | 226 | |
| lucaslwl | 22:5c07298d3383 | 227 | /* Check if transfer has completed */ |
| lucaslwl | 22:5c07298d3383 | 228 | if (transfer.remaining == 0) |
| lucaslwl | 22:5c07298d3383 | 229 | { |
| lucaslwl | 22:5c07298d3383 | 230 | /* Transfer completed */ |
| lucaslwl | 22:5c07298d3383 | 231 | if (transfer.notify) |
| lucaslwl | 22:5c07298d3383 | 232 | { |
| lucaslwl | 22:5c07298d3383 | 233 | /* Notify class layer. */ |
| lucaslwl | 22:5c07298d3383 | 234 | USBCallback_requestCompleted(buffer, packetSize); |
| lucaslwl | 22:5c07298d3383 | 235 | transfer.notify = false; |
| lucaslwl | 22:5c07298d3383 | 236 | } |
| lucaslwl | 22:5c07298d3383 | 237 | /* Status stage */ |
| lucaslwl | 22:5c07298d3383 | 238 | EP0write(NULL, 0); |
| lucaslwl | 22:5c07298d3383 | 239 | } |
| lucaslwl | 22:5c07298d3383 | 240 | else |
| lucaslwl | 22:5c07298d3383 | 241 | { |
| lucaslwl | 22:5c07298d3383 | 242 | EP0read(); |
| lucaslwl | 22:5c07298d3383 | 243 | } |
| lucaslwl | 22:5c07298d3383 | 244 | |
| lucaslwl | 22:5c07298d3383 | 245 | return true; |
| lucaslwl | 22:5c07298d3383 | 246 | } |
| lucaslwl | 22:5c07298d3383 | 247 | |
| lucaslwl | 22:5c07298d3383 | 248 | bool USBDevice::controlIn(void) |
| lucaslwl | 22:5c07298d3383 | 249 | { |
| lucaslwl | 22:5c07298d3383 | 250 | /* Control transfer data IN stage */ |
| lucaslwl | 22:5c07298d3383 | 251 | uint32_t packetSize; |
| lucaslwl | 22:5c07298d3383 | 252 | |
| lucaslwl | 22:5c07298d3383 | 253 | /* Check if transfer has completed (status stage transactions */ |
| lucaslwl | 22:5c07298d3383 | 254 | /* also have transfer.remaining == 0) */ |
| lucaslwl | 22:5c07298d3383 | 255 | if (transfer.remaining == 0) |
| lucaslwl | 22:5c07298d3383 | 256 | { |
| lucaslwl | 22:5c07298d3383 | 257 | if (transfer.zlp) |
| lucaslwl | 22:5c07298d3383 | 258 | { |
| lucaslwl | 22:5c07298d3383 | 259 | /* Send zero length packet */ |
| lucaslwl | 22:5c07298d3383 | 260 | EP0write(NULL, 0); |
| lucaslwl | 22:5c07298d3383 | 261 | transfer.zlp = false; |
| lucaslwl | 22:5c07298d3383 | 262 | } |
| lucaslwl | 22:5c07298d3383 | 263 | |
| lucaslwl | 22:5c07298d3383 | 264 | /* Transfer completed */ |
| lucaslwl | 22:5c07298d3383 | 265 | if (transfer.notify) |
| lucaslwl | 22:5c07298d3383 | 266 | { |
| lucaslwl | 22:5c07298d3383 | 267 | /* Notify class layer. */ |
| lucaslwl | 22:5c07298d3383 | 268 | USBCallback_requestCompleted(NULL, 0); |
| lucaslwl | 22:5c07298d3383 | 269 | transfer.notify = false; |
| lucaslwl | 22:5c07298d3383 | 270 | } |
| lucaslwl | 22:5c07298d3383 | 271 | |
| lucaslwl | 22:5c07298d3383 | 272 | EP0read(); |
| lucaslwl | 22:5c07298d3383 | 273 | EP0readStage(); |
| lucaslwl | 22:5c07298d3383 | 274 | |
| lucaslwl | 22:5c07298d3383 | 275 | /* Completed */ |
| lucaslwl | 22:5c07298d3383 | 276 | return true; |
| lucaslwl | 22:5c07298d3383 | 277 | } |
| lucaslwl | 22:5c07298d3383 | 278 | |
| lucaslwl | 22:5c07298d3383 | 279 | /* Check we should be transferring data IN */ |
| lucaslwl | 22:5c07298d3383 | 280 | if (transfer.direction != DEVICE_TO_HOST) |
| lucaslwl | 22:5c07298d3383 | 281 | { |
| lucaslwl | 22:5c07298d3383 | 282 | return false; |
| lucaslwl | 22:5c07298d3383 | 283 | } |
| lucaslwl | 22:5c07298d3383 | 284 | |
| lucaslwl | 22:5c07298d3383 | 285 | packetSize = transfer.remaining; |
| lucaslwl | 22:5c07298d3383 | 286 | |
| lucaslwl | 22:5c07298d3383 | 287 | if (packetSize > MAX_PACKET_SIZE_EP0) |
| lucaslwl | 22:5c07298d3383 | 288 | { |
| lucaslwl | 22:5c07298d3383 | 289 | packetSize = MAX_PACKET_SIZE_EP0; |
| lucaslwl | 22:5c07298d3383 | 290 | } |
| lucaslwl | 22:5c07298d3383 | 291 | |
| lucaslwl | 22:5c07298d3383 | 292 | /* Write to endpoint */ |
| lucaslwl | 22:5c07298d3383 | 293 | EP0write(transfer.ptr, packetSize); |
| lucaslwl | 22:5c07298d3383 | 294 | |
| lucaslwl | 22:5c07298d3383 | 295 | /* Update transfer */ |
| lucaslwl | 22:5c07298d3383 | 296 | transfer.ptr += packetSize; |
| lucaslwl | 22:5c07298d3383 | 297 | transfer.remaining -= packetSize; |
| lucaslwl | 22:5c07298d3383 | 298 | |
| lucaslwl | 22:5c07298d3383 | 299 | return true; |
| lucaslwl | 22:5c07298d3383 | 300 | } |
| lucaslwl | 22:5c07298d3383 | 301 | |
| lucaslwl | 22:5c07298d3383 | 302 | bool USBDevice::requestSetAddress(void) |
| lucaslwl | 22:5c07298d3383 | 303 | { |
| lucaslwl | 22:5c07298d3383 | 304 | /* Set the device address */ |
| lucaslwl | 22:5c07298d3383 | 305 | setAddress(transfer.setup.wValue); |
| lucaslwl | 22:5c07298d3383 | 306 | |
| lucaslwl | 22:5c07298d3383 | 307 | if (transfer.setup.wValue == 0) |
| lucaslwl | 22:5c07298d3383 | 308 | { |
| lucaslwl | 22:5c07298d3383 | 309 | device.state = DEFAULT; |
| lucaslwl | 22:5c07298d3383 | 310 | } |
| lucaslwl | 22:5c07298d3383 | 311 | else |
| lucaslwl | 22:5c07298d3383 | 312 | { |
| lucaslwl | 22:5c07298d3383 | 313 | device.state = ADDRESS; |
| lucaslwl | 22:5c07298d3383 | 314 | } |
| lucaslwl | 22:5c07298d3383 | 315 | |
| lucaslwl | 22:5c07298d3383 | 316 | return true; |
| lucaslwl | 22:5c07298d3383 | 317 | } |
| lucaslwl | 22:5c07298d3383 | 318 | |
| lucaslwl | 22:5c07298d3383 | 319 | bool USBDevice::requestSetConfiguration(void) |
| lucaslwl | 22:5c07298d3383 | 320 | { |
| lucaslwl | 22:5c07298d3383 | 321 | |
| lucaslwl | 22:5c07298d3383 | 322 | device.configuration = transfer.setup.wValue; |
| lucaslwl | 22:5c07298d3383 | 323 | /* Set the device configuration */ |
| lucaslwl | 22:5c07298d3383 | 324 | if (device.configuration == 0) |
| lucaslwl | 22:5c07298d3383 | 325 | { |
| lucaslwl | 22:5c07298d3383 | 326 | /* Not configured */ |
| lucaslwl | 22:5c07298d3383 | 327 | unconfigureDevice(); |
| lucaslwl | 22:5c07298d3383 | 328 | device.state = ADDRESS; |
| lucaslwl | 22:5c07298d3383 | 329 | } |
| lucaslwl | 22:5c07298d3383 | 330 | else |
| lucaslwl | 22:5c07298d3383 | 331 | { |
| lucaslwl | 22:5c07298d3383 | 332 | if (USBCallback_setConfiguration(device.configuration)) |
| lucaslwl | 22:5c07298d3383 | 333 | { |
| lucaslwl | 22:5c07298d3383 | 334 | /* Valid configuration */ |
| lucaslwl | 22:5c07298d3383 | 335 | configureDevice(); |
| lucaslwl | 22:5c07298d3383 | 336 | device.state = CONFIGURED; |
| lucaslwl | 22:5c07298d3383 | 337 | } |
| lucaslwl | 22:5c07298d3383 | 338 | else |
| lucaslwl | 22:5c07298d3383 | 339 | { |
| lucaslwl | 22:5c07298d3383 | 340 | return false; |
| lucaslwl | 22:5c07298d3383 | 341 | } |
| lucaslwl | 22:5c07298d3383 | 342 | } |
| lucaslwl | 22:5c07298d3383 | 343 | |
| lucaslwl | 22:5c07298d3383 | 344 | return true; |
| lucaslwl | 22:5c07298d3383 | 345 | } |
| lucaslwl | 22:5c07298d3383 | 346 | |
| lucaslwl | 22:5c07298d3383 | 347 | bool USBDevice::requestGetConfiguration(void) |
| lucaslwl | 22:5c07298d3383 | 348 | { |
| lucaslwl | 22:5c07298d3383 | 349 | /* Send the device configuration */ |
| lucaslwl | 22:5c07298d3383 | 350 | transfer.ptr = &device.configuration; |
| lucaslwl | 22:5c07298d3383 | 351 | transfer.remaining = sizeof(device.configuration); |
| lucaslwl | 22:5c07298d3383 | 352 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 353 | return true; |
| lucaslwl | 22:5c07298d3383 | 354 | } |
| lucaslwl | 22:5c07298d3383 | 355 | |
| lucaslwl | 22:5c07298d3383 | 356 | bool USBDevice::requestGetInterface(void) |
| lucaslwl | 22:5c07298d3383 | 357 | { |
| lucaslwl | 22:5c07298d3383 | 358 | /* Return the selected alternate setting for an interface */ |
| lucaslwl | 22:5c07298d3383 | 359 | |
| lucaslwl | 22:5c07298d3383 | 360 | if (device.state != CONFIGURED) |
| lucaslwl | 22:5c07298d3383 | 361 | { |
| lucaslwl | 22:5c07298d3383 | 362 | return false; |
| lucaslwl | 22:5c07298d3383 | 363 | } |
| lucaslwl | 22:5c07298d3383 | 364 | |
| lucaslwl | 22:5c07298d3383 | 365 | /* Send the alternate setting */ |
| lucaslwl | 22:5c07298d3383 | 366 | transfer.setup.wIndex = currentInterface; |
| lucaslwl | 22:5c07298d3383 | 367 | transfer.ptr = ¤tAlternate; |
| lucaslwl | 22:5c07298d3383 | 368 | transfer.remaining = sizeof(currentAlternate); |
| lucaslwl | 22:5c07298d3383 | 369 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 370 | return true; |
| lucaslwl | 22:5c07298d3383 | 371 | } |
| lucaslwl | 22:5c07298d3383 | 372 | |
| lucaslwl | 22:5c07298d3383 | 373 | bool USBDevice::requestSetInterface(void) |
| lucaslwl | 22:5c07298d3383 | 374 | { |
| lucaslwl | 22:5c07298d3383 | 375 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 376 | if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue)) |
| lucaslwl | 22:5c07298d3383 | 377 | { |
| lucaslwl | 22:5c07298d3383 | 378 | success = true; |
| lucaslwl | 22:5c07298d3383 | 379 | currentInterface = transfer.setup.wIndex; |
| lucaslwl | 22:5c07298d3383 | 380 | currentAlternate = transfer.setup.wValue; |
| lucaslwl | 22:5c07298d3383 | 381 | } |
| lucaslwl | 22:5c07298d3383 | 382 | return success; |
| lucaslwl | 22:5c07298d3383 | 383 | } |
| lucaslwl | 22:5c07298d3383 | 384 | |
| lucaslwl | 22:5c07298d3383 | 385 | bool USBDevice::requestSetFeature() |
| lucaslwl | 22:5c07298d3383 | 386 | { |
| lucaslwl | 22:5c07298d3383 | 387 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 388 | |
| lucaslwl | 22:5c07298d3383 | 389 | if (device.state != CONFIGURED) |
| lucaslwl | 22:5c07298d3383 | 390 | { |
| lucaslwl | 22:5c07298d3383 | 391 | /* Endpoint or interface must be zero */ |
| lucaslwl | 22:5c07298d3383 | 392 | if (transfer.setup.wIndex != 0) |
| lucaslwl | 22:5c07298d3383 | 393 | { |
| lucaslwl | 22:5c07298d3383 | 394 | return false; |
| lucaslwl | 22:5c07298d3383 | 395 | } |
| lucaslwl | 22:5c07298d3383 | 396 | } |
| lucaslwl | 22:5c07298d3383 | 397 | |
| lucaslwl | 22:5c07298d3383 | 398 | switch (transfer.setup.bmRequestType.Recipient) |
| lucaslwl | 22:5c07298d3383 | 399 | { |
| lucaslwl | 22:5c07298d3383 | 400 | case DEVICE_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 401 | /* TODO: Remote wakeup feature not supported */ |
| lucaslwl | 22:5c07298d3383 | 402 | break; |
| lucaslwl | 22:5c07298d3383 | 403 | case ENDPOINT_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 404 | if (transfer.setup.wValue == ENDPOINT_HALT) |
| lucaslwl | 22:5c07298d3383 | 405 | { |
| lucaslwl | 22:5c07298d3383 | 406 | /* TODO: We should check that the endpoint number is valid */ |
| lucaslwl | 22:5c07298d3383 | 407 | stallEndpoint( |
| lucaslwl | 22:5c07298d3383 | 408 | WINDEX_TO_PHYSICAL(transfer.setup.wIndex)); |
| lucaslwl | 22:5c07298d3383 | 409 | success = true; |
| lucaslwl | 22:5c07298d3383 | 410 | } |
| lucaslwl | 22:5c07298d3383 | 411 | break; |
| lucaslwl | 22:5c07298d3383 | 412 | default: |
| lucaslwl | 22:5c07298d3383 | 413 | break; |
| lucaslwl | 22:5c07298d3383 | 414 | } |
| lucaslwl | 22:5c07298d3383 | 415 | |
| lucaslwl | 22:5c07298d3383 | 416 | return success; |
| lucaslwl | 22:5c07298d3383 | 417 | } |
| lucaslwl | 22:5c07298d3383 | 418 | |
| lucaslwl | 22:5c07298d3383 | 419 | bool USBDevice::requestClearFeature() |
| lucaslwl | 22:5c07298d3383 | 420 | { |
| lucaslwl | 22:5c07298d3383 | 421 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 422 | |
| lucaslwl | 22:5c07298d3383 | 423 | if (device.state != CONFIGURED) |
| lucaslwl | 22:5c07298d3383 | 424 | { |
| lucaslwl | 22:5c07298d3383 | 425 | /* Endpoint or interface must be zero */ |
| lucaslwl | 22:5c07298d3383 | 426 | if (transfer.setup.wIndex != 0) |
| lucaslwl | 22:5c07298d3383 | 427 | { |
| lucaslwl | 22:5c07298d3383 | 428 | return false; |
| lucaslwl | 22:5c07298d3383 | 429 | } |
| lucaslwl | 22:5c07298d3383 | 430 | } |
| lucaslwl | 22:5c07298d3383 | 431 | |
| lucaslwl | 22:5c07298d3383 | 432 | switch (transfer.setup.bmRequestType.Recipient) |
| lucaslwl | 22:5c07298d3383 | 433 | { |
| lucaslwl | 22:5c07298d3383 | 434 | case DEVICE_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 435 | /* TODO: Remote wakeup feature not supported */ |
| lucaslwl | 22:5c07298d3383 | 436 | break; |
| lucaslwl | 22:5c07298d3383 | 437 | case ENDPOINT_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 438 | /* TODO: We should check that the endpoint number is valid */ |
| lucaslwl | 22:5c07298d3383 | 439 | if (transfer.setup.wValue == ENDPOINT_HALT) |
| lucaslwl | 22:5c07298d3383 | 440 | { |
| lucaslwl | 22:5c07298d3383 | 441 | unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex)); |
| lucaslwl | 22:5c07298d3383 | 442 | success = true; |
| lucaslwl | 22:5c07298d3383 | 443 | } |
| lucaslwl | 22:5c07298d3383 | 444 | break; |
| lucaslwl | 22:5c07298d3383 | 445 | default: |
| lucaslwl | 22:5c07298d3383 | 446 | break; |
| lucaslwl | 22:5c07298d3383 | 447 | } |
| lucaslwl | 22:5c07298d3383 | 448 | |
| lucaslwl | 22:5c07298d3383 | 449 | return success; |
| lucaslwl | 22:5c07298d3383 | 450 | } |
| lucaslwl | 22:5c07298d3383 | 451 | |
| lucaslwl | 22:5c07298d3383 | 452 | bool USBDevice::requestGetStatus(void) |
| lucaslwl | 22:5c07298d3383 | 453 | { |
| lucaslwl | 22:5c07298d3383 | 454 | static uint16_t status; |
| lucaslwl | 22:5c07298d3383 | 455 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 456 | |
| lucaslwl | 22:5c07298d3383 | 457 | if (device.state != CONFIGURED) |
| lucaslwl | 22:5c07298d3383 | 458 | { |
| lucaslwl | 22:5c07298d3383 | 459 | /* Endpoint or interface must be zero */ |
| lucaslwl | 22:5c07298d3383 | 460 | if (transfer.setup.wIndex != 0) |
| lucaslwl | 22:5c07298d3383 | 461 | { |
| lucaslwl | 22:5c07298d3383 | 462 | return false; |
| lucaslwl | 22:5c07298d3383 | 463 | } |
| lucaslwl | 22:5c07298d3383 | 464 | } |
| lucaslwl | 22:5c07298d3383 | 465 | |
| lucaslwl | 22:5c07298d3383 | 466 | switch (transfer.setup.bmRequestType.Recipient) |
| lucaslwl | 22:5c07298d3383 | 467 | { |
| lucaslwl | 22:5c07298d3383 | 468 | case DEVICE_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 469 | /* TODO: Currently only supports self powered devices */ |
| lucaslwl | 22:5c07298d3383 | 470 | status = DEVICE_STATUS_SELF_POWERED; |
| lucaslwl | 22:5c07298d3383 | 471 | success = true; |
| lucaslwl | 22:5c07298d3383 | 472 | break; |
| lucaslwl | 22:5c07298d3383 | 473 | case INTERFACE_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 474 | status = 0; |
| lucaslwl | 22:5c07298d3383 | 475 | success = true; |
| lucaslwl | 22:5c07298d3383 | 476 | break; |
| lucaslwl | 22:5c07298d3383 | 477 | case ENDPOINT_RECIPIENT: |
| lucaslwl | 22:5c07298d3383 | 478 | /* TODO: We should check that the endpoint number is valid */ |
| lucaslwl | 22:5c07298d3383 | 479 | if (getEndpointStallState( |
| lucaslwl | 22:5c07298d3383 | 480 | WINDEX_TO_PHYSICAL(transfer.setup.wIndex))) |
| lucaslwl | 22:5c07298d3383 | 481 | { |
| lucaslwl | 22:5c07298d3383 | 482 | status = ENDPOINT_STATUS_HALT; |
| lucaslwl | 22:5c07298d3383 | 483 | } |
| lucaslwl | 22:5c07298d3383 | 484 | else |
| lucaslwl | 22:5c07298d3383 | 485 | { |
| lucaslwl | 22:5c07298d3383 | 486 | status = 0; |
| lucaslwl | 22:5c07298d3383 | 487 | } |
| lucaslwl | 22:5c07298d3383 | 488 | success = true; |
| lucaslwl | 22:5c07298d3383 | 489 | break; |
| lucaslwl | 22:5c07298d3383 | 490 | default: |
| lucaslwl | 22:5c07298d3383 | 491 | break; |
| lucaslwl | 22:5c07298d3383 | 492 | } |
| lucaslwl | 22:5c07298d3383 | 493 | |
| lucaslwl | 22:5c07298d3383 | 494 | if (success) |
| lucaslwl | 22:5c07298d3383 | 495 | { |
| lucaslwl | 22:5c07298d3383 | 496 | /* Send the status */ |
| lucaslwl | 22:5c07298d3383 | 497 | transfer.ptr = (uint8_t *)&status; /* Assumes little endian */ |
| lucaslwl | 22:5c07298d3383 | 498 | transfer.remaining = sizeof(status); |
| lucaslwl | 22:5c07298d3383 | 499 | transfer.direction = DEVICE_TO_HOST; |
| lucaslwl | 22:5c07298d3383 | 500 | } |
| lucaslwl | 22:5c07298d3383 | 501 | |
| lucaslwl | 22:5c07298d3383 | 502 | return success; |
| lucaslwl | 22:5c07298d3383 | 503 | } |
| lucaslwl | 22:5c07298d3383 | 504 | |
| lucaslwl | 22:5c07298d3383 | 505 | bool USBDevice::requestSetup(void) |
| lucaslwl | 22:5c07298d3383 | 506 | { |
| lucaslwl | 22:5c07298d3383 | 507 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 508 | |
| lucaslwl | 22:5c07298d3383 | 509 | /* Process standard requests */ |
| lucaslwl | 22:5c07298d3383 | 510 | if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE)) |
| lucaslwl | 22:5c07298d3383 | 511 | { |
| lucaslwl | 22:5c07298d3383 | 512 | switch (transfer.setup.bRequest) |
| lucaslwl | 22:5c07298d3383 | 513 | { |
| lucaslwl | 22:5c07298d3383 | 514 | case GET_STATUS: |
| lucaslwl | 22:5c07298d3383 | 515 | success = requestGetStatus(); |
| lucaslwl | 22:5c07298d3383 | 516 | break; |
| lucaslwl | 22:5c07298d3383 | 517 | case CLEAR_FEATURE: |
| lucaslwl | 22:5c07298d3383 | 518 | success = requestClearFeature(); |
| lucaslwl | 22:5c07298d3383 | 519 | break; |
| lucaslwl | 22:5c07298d3383 | 520 | case SET_FEATURE: |
| lucaslwl | 22:5c07298d3383 | 521 | success = requestSetFeature(); |
| lucaslwl | 22:5c07298d3383 | 522 | break; |
| lucaslwl | 22:5c07298d3383 | 523 | case SET_ADDRESS: |
| lucaslwl | 22:5c07298d3383 | 524 | success = requestSetAddress(); |
| lucaslwl | 22:5c07298d3383 | 525 | break; |
| lucaslwl | 22:5c07298d3383 | 526 | case GET_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 527 | success = requestGetDescriptor(); |
| lucaslwl | 22:5c07298d3383 | 528 | break; |
| lucaslwl | 22:5c07298d3383 | 529 | case SET_DESCRIPTOR: |
| lucaslwl | 22:5c07298d3383 | 530 | /* TODO: Support is optional, not implemented here */ |
| lucaslwl | 22:5c07298d3383 | 531 | success = false; |
| lucaslwl | 22:5c07298d3383 | 532 | break; |
| lucaslwl | 22:5c07298d3383 | 533 | case GET_CONFIGURATION: |
| lucaslwl | 22:5c07298d3383 | 534 | success = requestGetConfiguration(); |
| lucaslwl | 22:5c07298d3383 | 535 | break; |
| lucaslwl | 22:5c07298d3383 | 536 | case SET_CONFIGURATION: |
| lucaslwl | 22:5c07298d3383 | 537 | success = requestSetConfiguration(); |
| lucaslwl | 22:5c07298d3383 | 538 | break; |
| lucaslwl | 22:5c07298d3383 | 539 | case GET_INTERFACE: |
| lucaslwl | 22:5c07298d3383 | 540 | success = requestGetInterface(); |
| lucaslwl | 22:5c07298d3383 | 541 | break; |
| lucaslwl | 22:5c07298d3383 | 542 | case SET_INTERFACE: |
| lucaslwl | 22:5c07298d3383 | 543 | success = requestSetInterface(); |
| lucaslwl | 22:5c07298d3383 | 544 | break; |
| lucaslwl | 22:5c07298d3383 | 545 | default: |
| lucaslwl | 22:5c07298d3383 | 546 | break; |
| lucaslwl | 22:5c07298d3383 | 547 | } |
| lucaslwl | 22:5c07298d3383 | 548 | } |
| lucaslwl | 22:5c07298d3383 | 549 | |
| lucaslwl | 22:5c07298d3383 | 550 | return success; |
| lucaslwl | 22:5c07298d3383 | 551 | } |
| lucaslwl | 22:5c07298d3383 | 552 | |
| lucaslwl | 22:5c07298d3383 | 553 | bool USBDevice::controlSetup(void) |
| lucaslwl | 22:5c07298d3383 | 554 | { |
| lucaslwl | 22:5c07298d3383 | 555 | bool success = false; |
| lucaslwl | 22:5c07298d3383 | 556 | |
| lucaslwl | 22:5c07298d3383 | 557 | /* Control transfer setup stage */ |
| lucaslwl | 22:5c07298d3383 | 558 | uint8_t buffer[MAX_PACKET_SIZE_EP0]; |
| lucaslwl | 22:5c07298d3383 | 559 | |
| lucaslwl | 22:5c07298d3383 | 560 | EP0setup(buffer); |
| lucaslwl | 22:5c07298d3383 | 561 | |
| lucaslwl | 22:5c07298d3383 | 562 | /* Initialise control transfer state */ |
| lucaslwl | 22:5c07298d3383 | 563 | decodeSetupPacket(buffer, &transfer.setup); |
| lucaslwl | 22:5c07298d3383 | 564 | transfer.ptr = NULL; |
| lucaslwl | 22:5c07298d3383 | 565 | transfer.remaining = 0; |
| lucaslwl | 22:5c07298d3383 | 566 | transfer.direction = 0; |
| lucaslwl | 22:5c07298d3383 | 567 | transfer.zlp = false; |
| lucaslwl | 22:5c07298d3383 | 568 | transfer.notify = false; |
| lucaslwl | 22:5c07298d3383 | 569 | |
| lucaslwl | 22:5c07298d3383 | 570 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 571 | 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, |
| lucaslwl | 22:5c07298d3383 | 572 | transfer.setup.bmRequestType.Type, |
| lucaslwl | 22:5c07298d3383 | 573 | transfer.setup.bmRequestType.Recipient, |
| lucaslwl | 22:5c07298d3383 | 574 | transfer.setup.bRequest, |
| lucaslwl | 22:5c07298d3383 | 575 | transfer.setup.wValue, |
| lucaslwl | 22:5c07298d3383 | 576 | transfer.setup.wIndex, |
| lucaslwl | 22:5c07298d3383 | 577 | transfer.setup.wLength); |
| lucaslwl | 22:5c07298d3383 | 578 | #endif |
| lucaslwl | 22:5c07298d3383 | 579 | |
| lucaslwl | 22:5c07298d3383 | 580 | /* Class / vendor specific */ |
| lucaslwl | 22:5c07298d3383 | 581 | success = USBCallback_request(); |
| lucaslwl | 22:5c07298d3383 | 582 | |
| lucaslwl | 22:5c07298d3383 | 583 | if (!success) |
| lucaslwl | 22:5c07298d3383 | 584 | { |
| lucaslwl | 22:5c07298d3383 | 585 | /* Standard requests */ |
| lucaslwl | 22:5c07298d3383 | 586 | if (!requestSetup()) |
| lucaslwl | 22:5c07298d3383 | 587 | { |
| lucaslwl | 22:5c07298d3383 | 588 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 589 | printf("fail!!!!\r\n"); |
| lucaslwl | 22:5c07298d3383 | 590 | #endif |
| lucaslwl | 22:5c07298d3383 | 591 | return false; |
| lucaslwl | 22:5c07298d3383 | 592 | } |
| lucaslwl | 22:5c07298d3383 | 593 | } |
| lucaslwl | 22:5c07298d3383 | 594 | |
| lucaslwl | 22:5c07298d3383 | 595 | /* Check transfer size and direction */ |
| lucaslwl | 22:5c07298d3383 | 596 | if (transfer.setup.wLength>0) |
| lucaslwl | 22:5c07298d3383 | 597 | { |
| lucaslwl | 22:5c07298d3383 | 598 | if (transfer.setup.bmRequestType.dataTransferDirection \ |
| lucaslwl | 22:5c07298d3383 | 599 | == DEVICE_TO_HOST) |
| lucaslwl | 22:5c07298d3383 | 600 | { |
| lucaslwl | 22:5c07298d3383 | 601 | /* IN data stage is required */ |
| lucaslwl | 22:5c07298d3383 | 602 | if (transfer.direction != DEVICE_TO_HOST) |
| lucaslwl | 22:5c07298d3383 | 603 | { |
| lucaslwl | 22:5c07298d3383 | 604 | return false; |
| lucaslwl | 22:5c07298d3383 | 605 | } |
| lucaslwl | 22:5c07298d3383 | 606 | |
| lucaslwl | 22:5c07298d3383 | 607 | /* Transfer must be less than or equal to the size */ |
| lucaslwl | 22:5c07298d3383 | 608 | /* requested by the host */ |
| lucaslwl | 22:5c07298d3383 | 609 | if (transfer.remaining > transfer.setup.wLength) |
| lucaslwl | 22:5c07298d3383 | 610 | { |
| lucaslwl | 22:5c07298d3383 | 611 | transfer.remaining = transfer.setup.wLength; |
| lucaslwl | 22:5c07298d3383 | 612 | } |
| lucaslwl | 22:5c07298d3383 | 613 | } |
| lucaslwl | 22:5c07298d3383 | 614 | else |
| lucaslwl | 22:5c07298d3383 | 615 | { |
| lucaslwl | 22:5c07298d3383 | 616 | |
| lucaslwl | 22:5c07298d3383 | 617 | /* OUT data stage is required */ |
| lucaslwl | 22:5c07298d3383 | 618 | if (transfer.direction != HOST_TO_DEVICE) |
| lucaslwl | 22:5c07298d3383 | 619 | { |
| lucaslwl | 22:5c07298d3383 | 620 | return false; |
| lucaslwl | 22:5c07298d3383 | 621 | } |
| lucaslwl | 22:5c07298d3383 | 622 | |
| lucaslwl | 22:5c07298d3383 | 623 | /* Transfer must be equal to the size requested by the host */ |
| lucaslwl | 22:5c07298d3383 | 624 | if (transfer.remaining != transfer.setup.wLength) |
| lucaslwl | 22:5c07298d3383 | 625 | { |
| lucaslwl | 22:5c07298d3383 | 626 | return false; |
| lucaslwl | 22:5c07298d3383 | 627 | } |
| lucaslwl | 22:5c07298d3383 | 628 | } |
| lucaslwl | 22:5c07298d3383 | 629 | } |
| lucaslwl | 22:5c07298d3383 | 630 | else |
| lucaslwl | 22:5c07298d3383 | 631 | { |
| lucaslwl | 22:5c07298d3383 | 632 | /* No data stage; transfer size must be zero */ |
| lucaslwl | 22:5c07298d3383 | 633 | if (transfer.remaining != 0) |
| lucaslwl | 22:5c07298d3383 | 634 | { |
| lucaslwl | 22:5c07298d3383 | 635 | return false; |
| lucaslwl | 22:5c07298d3383 | 636 | } |
| lucaslwl | 22:5c07298d3383 | 637 | } |
| lucaslwl | 22:5c07298d3383 | 638 | |
| lucaslwl | 22:5c07298d3383 | 639 | /* Data or status stage if applicable */ |
| lucaslwl | 22:5c07298d3383 | 640 | if (transfer.setup.wLength>0) |
| lucaslwl | 22:5c07298d3383 | 641 | { |
| lucaslwl | 22:5c07298d3383 | 642 | if (transfer.setup.bmRequestType.dataTransferDirection \ |
| lucaslwl | 22:5c07298d3383 | 643 | == DEVICE_TO_HOST) |
| lucaslwl | 22:5c07298d3383 | 644 | { |
| lucaslwl | 22:5c07298d3383 | 645 | /* Check if we'll need to send a zero length packet at */ |
| lucaslwl | 22:5c07298d3383 | 646 | /* the end of this transfer */ |
| lucaslwl | 22:5c07298d3383 | 647 | if (transfer.setup.wLength > transfer.remaining) |
| lucaslwl | 22:5c07298d3383 | 648 | { |
| lucaslwl | 22:5c07298d3383 | 649 | /* Device wishes to transfer less than host requested */ |
| lucaslwl | 22:5c07298d3383 | 650 | if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0) |
| lucaslwl | 22:5c07298d3383 | 651 | { |
| lucaslwl | 22:5c07298d3383 | 652 | /* Transfer is a multiple of EP0 max packet size */ |
| lucaslwl | 22:5c07298d3383 | 653 | transfer.zlp = true; |
| lucaslwl | 22:5c07298d3383 | 654 | } |
| lucaslwl | 22:5c07298d3383 | 655 | } |
| lucaslwl | 22:5c07298d3383 | 656 | |
| lucaslwl | 22:5c07298d3383 | 657 | /* IN stage */ |
| lucaslwl | 22:5c07298d3383 | 658 | controlIn(); |
| lucaslwl | 22:5c07298d3383 | 659 | } |
| lucaslwl | 22:5c07298d3383 | 660 | else |
| lucaslwl | 22:5c07298d3383 | 661 | { |
| lucaslwl | 22:5c07298d3383 | 662 | /* OUT stage */ |
| lucaslwl | 22:5c07298d3383 | 663 | EP0read(); |
| lucaslwl | 22:5c07298d3383 | 664 | } |
| lucaslwl | 22:5c07298d3383 | 665 | } |
| lucaslwl | 22:5c07298d3383 | 666 | else |
| lucaslwl | 22:5c07298d3383 | 667 | { |
| lucaslwl | 22:5c07298d3383 | 668 | /* Status stage */ |
| lucaslwl | 22:5c07298d3383 | 669 | EP0write(NULL, 0); |
| lucaslwl | 22:5c07298d3383 | 670 | } |
| lucaslwl | 22:5c07298d3383 | 671 | |
| lucaslwl | 22:5c07298d3383 | 672 | return true; |
| lucaslwl | 22:5c07298d3383 | 673 | } |
| lucaslwl | 22:5c07298d3383 | 674 | |
| lucaslwl | 22:5c07298d3383 | 675 | void USBDevice::busReset(void) |
| lucaslwl | 22:5c07298d3383 | 676 | { |
| lucaslwl | 22:5c07298d3383 | 677 | device.state = DEFAULT; |
| lucaslwl | 22:5c07298d3383 | 678 | device.configuration = 0; |
| lucaslwl | 22:5c07298d3383 | 679 | device.suspended = false; |
| lucaslwl | 22:5c07298d3383 | 680 | |
| lucaslwl | 22:5c07298d3383 | 681 | /* Call class / vendor specific busReset function */ |
| lucaslwl | 22:5c07298d3383 | 682 | USBCallback_busReset(); |
| lucaslwl | 22:5c07298d3383 | 683 | } |
| lucaslwl | 22:5c07298d3383 | 684 | |
| lucaslwl | 22:5c07298d3383 | 685 | void USBDevice::EP0setupCallback(void) |
| lucaslwl | 22:5c07298d3383 | 686 | { |
| lucaslwl | 22:5c07298d3383 | 687 | /* Endpoint 0 setup event */ |
| lucaslwl | 22:5c07298d3383 | 688 | if (!controlSetup()) |
| lucaslwl | 22:5c07298d3383 | 689 | { |
| lucaslwl | 22:5c07298d3383 | 690 | /* Protocol stall */ |
| lucaslwl | 22:5c07298d3383 | 691 | EP0stall(); |
| lucaslwl | 22:5c07298d3383 | 692 | } |
| lucaslwl | 22:5c07298d3383 | 693 | |
| lucaslwl | 22:5c07298d3383 | 694 | /* Return true if an OUT data stage is expected */ |
| lucaslwl | 22:5c07298d3383 | 695 | } |
| lucaslwl | 22:5c07298d3383 | 696 | |
| lucaslwl | 22:5c07298d3383 | 697 | void USBDevice::EP0out(void) |
| lucaslwl | 22:5c07298d3383 | 698 | { |
| lucaslwl | 22:5c07298d3383 | 699 | /* Endpoint 0 OUT data event */ |
| lucaslwl | 22:5c07298d3383 | 700 | if (!controlOut()) |
| lucaslwl | 22:5c07298d3383 | 701 | { |
| lucaslwl | 22:5c07298d3383 | 702 | /* Protocol stall; this will stall both endpoints */ |
| lucaslwl | 22:5c07298d3383 | 703 | EP0stall(); |
| lucaslwl | 22:5c07298d3383 | 704 | } |
| lucaslwl | 22:5c07298d3383 | 705 | } |
| lucaslwl | 22:5c07298d3383 | 706 | |
| lucaslwl | 22:5c07298d3383 | 707 | void USBDevice::EP0in(void) |
| lucaslwl | 22:5c07298d3383 | 708 | { |
| lucaslwl | 22:5c07298d3383 | 709 | #ifdef DEBUG |
| lucaslwl | 22:5c07298d3383 | 710 | printf("EP0IN\r\n"); |
| lucaslwl | 22:5c07298d3383 | 711 | #endif |
| lucaslwl | 22:5c07298d3383 | 712 | /* Endpoint 0 IN data event */ |
| lucaslwl | 22:5c07298d3383 | 713 | if (!controlIn()) |
| lucaslwl | 22:5c07298d3383 | 714 | { |
| lucaslwl | 22:5c07298d3383 | 715 | /* Protocol stall; this will stall both endpoints */ |
| lucaslwl | 22:5c07298d3383 | 716 | EP0stall(); |
| lucaslwl | 22:5c07298d3383 | 717 | } |
| lucaslwl | 22:5c07298d3383 | 718 | } |
| lucaslwl | 22:5c07298d3383 | 719 | |
| lucaslwl | 22:5c07298d3383 | 720 | bool USBDevice::configured(void) |
| lucaslwl | 22:5c07298d3383 | 721 | { |
| lucaslwl | 22:5c07298d3383 | 722 | /* Returns true if device is in the CONFIGURED state */ |
| lucaslwl | 22:5c07298d3383 | 723 | return (device.state == CONFIGURED); |
| lucaslwl | 22:5c07298d3383 | 724 | } |
| lucaslwl | 22:5c07298d3383 | 725 | |
| lucaslwl | 22:5c07298d3383 | 726 | void USBDevice::connect(bool blocking) |
| lucaslwl | 22:5c07298d3383 | 727 | { |
| lucaslwl | 22:5c07298d3383 | 728 | /* Connect device */ |
| lucaslwl | 22:5c07298d3383 | 729 | USBHAL::connect(); |
| lucaslwl | 22:5c07298d3383 | 730 | |
| lucaslwl | 22:5c07298d3383 | 731 | if (blocking) { |
| lucaslwl | 22:5c07298d3383 | 732 | /* Block if not configured */ |
| lucaslwl | 22:5c07298d3383 | 733 | while (!configured()); |
| lucaslwl | 22:5c07298d3383 | 734 | } |
| lucaslwl | 22:5c07298d3383 | 735 | } |
| lucaslwl | 22:5c07298d3383 | 736 | |
| lucaslwl | 22:5c07298d3383 | 737 | void USBDevice::disconnect(void) |
| lucaslwl | 22:5c07298d3383 | 738 | { |
| lucaslwl | 22:5c07298d3383 | 739 | /* Disconnect device */ |
| lucaslwl | 22:5c07298d3383 | 740 | USBHAL::disconnect(); |
| lucaslwl | 22:5c07298d3383 | 741 | |
| lucaslwl | 22:5c07298d3383 | 742 | /* Set initial device state */ |
| lucaslwl | 22:5c07298d3383 | 743 | device.state = POWERED; |
| lucaslwl | 22:5c07298d3383 | 744 | device.configuration = 0; |
| lucaslwl | 22:5c07298d3383 | 745 | device.suspended = false; |
| lucaslwl | 22:5c07298d3383 | 746 | } |
| lucaslwl | 22:5c07298d3383 | 747 | |
| lucaslwl | 22:5c07298d3383 | 748 | CONTROL_TRANSFER * USBDevice::getTransferPtr(void) |
| lucaslwl | 22:5c07298d3383 | 749 | { |
| lucaslwl | 22:5c07298d3383 | 750 | return &transfer; |
| lucaslwl | 22:5c07298d3383 | 751 | } |
| lucaslwl | 22:5c07298d3383 | 752 | |
| lucaslwl | 22:5c07298d3383 | 753 | bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket) |
| lucaslwl | 22:5c07298d3383 | 754 | { |
| lucaslwl | 22:5c07298d3383 | 755 | return realiseEndpoint(endpoint, maxPacket, 0); |
| lucaslwl | 22:5c07298d3383 | 756 | } |
| lucaslwl | 22:5c07298d3383 | 757 | |
| lucaslwl | 22:5c07298d3383 | 758 | bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket) |
| lucaslwl | 22:5c07298d3383 | 759 | { |
| lucaslwl | 22:5c07298d3383 | 760 | /* For interrupt endpoints only */ |
| lucaslwl | 22:5c07298d3383 | 761 | return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE); |
| lucaslwl | 22:5c07298d3383 | 762 | } |
| lucaslwl | 22:5c07298d3383 | 763 | |
| lucaslwl | 22:5c07298d3383 | 764 | uint8_t * USBDevice::findDescriptor(uint8_t descriptorType) |
| lucaslwl | 22:5c07298d3383 | 765 | { |
| lucaslwl | 22:5c07298d3383 | 766 | /* Find a descriptor within the list of descriptors */ |
| lucaslwl | 22:5c07298d3383 | 767 | /* following a configuration descriptor. */ |
| lucaslwl | 22:5c07298d3383 | 768 | uint16_t wTotalLength; |
| lucaslwl | 22:5c07298d3383 | 769 | uint8_t *ptr; |
| lucaslwl | 22:5c07298d3383 | 770 | |
| lucaslwl | 22:5c07298d3383 | 771 | if (configurationDesc() == NULL) |
| lucaslwl | 22:5c07298d3383 | 772 | { |
| lucaslwl | 22:5c07298d3383 | 773 | return NULL; |
| lucaslwl | 22:5c07298d3383 | 774 | } |
| lucaslwl | 22:5c07298d3383 | 775 | |
| lucaslwl | 22:5c07298d3383 | 776 | /* Check this is a configuration descriptor */ |
| lucaslwl | 22:5c07298d3383 | 777 | if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \ |
| lucaslwl | 22:5c07298d3383 | 778 | || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR)) |
| lucaslwl | 22:5c07298d3383 | 779 | { |
| lucaslwl | 22:5c07298d3383 | 780 | return NULL; |
| lucaslwl | 22:5c07298d3383 | 781 | } |
| lucaslwl | 22:5c07298d3383 | 782 | |
| lucaslwl | 22:5c07298d3383 | 783 | wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8); |
| lucaslwl | 22:5c07298d3383 | 784 | |
| lucaslwl | 22:5c07298d3383 | 785 | /* Check there are some more descriptors to follow */ |
| lucaslwl | 22:5c07298d3383 | 786 | if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2)) |
| lucaslwl | 22:5c07298d3383 | 787 | /* +2 is for bLength and bDescriptorType of next descriptor */ |
| lucaslwl | 22:5c07298d3383 | 788 | { |
| lucaslwl | 22:5c07298d3383 | 789 | return NULL; |
| lucaslwl | 22:5c07298d3383 | 790 | } |
| lucaslwl | 22:5c07298d3383 | 791 | |
| lucaslwl | 22:5c07298d3383 | 792 | /* Start at first descriptor after the configuration descriptor */ |
| lucaslwl | 22:5c07298d3383 | 793 | ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]); |
| lucaslwl | 22:5c07298d3383 | 794 | |
| lucaslwl | 22:5c07298d3383 | 795 | do { |
| lucaslwl | 22:5c07298d3383 | 796 | if (ptr[1] /* bDescriptorType */ == descriptorType) |
| lucaslwl | 22:5c07298d3383 | 797 | { |
| lucaslwl | 22:5c07298d3383 | 798 | /* Found */ |
| lucaslwl | 22:5c07298d3383 | 799 | return ptr; |
| lucaslwl | 22:5c07298d3383 | 800 | } |
| lucaslwl | 22:5c07298d3383 | 801 | |
| lucaslwl | 22:5c07298d3383 | 802 | /* Skip to next descriptor */ |
| lucaslwl | 22:5c07298d3383 | 803 | ptr += ptr[0]; /* bLength */ |
| lucaslwl | 22:5c07298d3383 | 804 | } while (ptr < (configurationDesc() + wTotalLength)); |
| lucaslwl | 22:5c07298d3383 | 805 | |
| lucaslwl | 22:5c07298d3383 | 806 | /* Reached end of the descriptors - not found */ |
| lucaslwl | 22:5c07298d3383 | 807 | return NULL; |
| lucaslwl | 22:5c07298d3383 | 808 | } |
| lucaslwl | 22:5c07298d3383 | 809 | |
| lucaslwl | 22:5c07298d3383 | 810 | |
| lucaslwl | 22:5c07298d3383 | 811 | void USBDevice::connectStateChanged(unsigned int connected) |
| lucaslwl | 22:5c07298d3383 | 812 | { |
| lucaslwl | 22:5c07298d3383 | 813 | } |
| lucaslwl | 22:5c07298d3383 | 814 | |
| lucaslwl | 22:5c07298d3383 | 815 | void USBDevice::suspendStateChanged(unsigned int suspended) |
| lucaslwl | 22:5c07298d3383 | 816 | { |
| lucaslwl | 22:5c07298d3383 | 817 | } |
| lucaslwl | 22:5c07298d3383 | 818 | |
| lucaslwl | 22:5c07298d3383 | 819 | |
| lucaslwl | 22:5c07298d3383 | 820 | USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){ |
| lucaslwl | 22:5c07298d3383 | 821 | VENDOR_ID = vendor_id; |
| lucaslwl | 22:5c07298d3383 | 822 | PRODUCT_ID = product_id; |
| lucaslwl | 22:5c07298d3383 | 823 | PRODUCT_RELEASE = product_release; |
| lucaslwl | 22:5c07298d3383 | 824 | |
| lucaslwl | 22:5c07298d3383 | 825 | /* Set initial device state */ |
| lucaslwl | 22:5c07298d3383 | 826 | device.state = POWERED; |
| lucaslwl | 22:5c07298d3383 | 827 | device.configuration = 0; |
| lucaslwl | 22:5c07298d3383 | 828 | device.suspended = false; |
| lucaslwl | 22:5c07298d3383 | 829 | }; |
| lucaslwl | 22:5c07298d3383 | 830 | |
| lucaslwl | 22:5c07298d3383 | 831 | |
| lucaslwl | 22:5c07298d3383 | 832 | bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize) |
| lucaslwl | 22:5c07298d3383 | 833 | { |
| lucaslwl | 22:5c07298d3383 | 834 | return endpointRead(endpoint, maxSize) == EP_PENDING; |
| lucaslwl | 22:5c07298d3383 | 835 | } |
| lucaslwl | 22:5c07298d3383 | 836 | |
| lucaslwl | 22:5c07298d3383 | 837 | |
| lucaslwl | 22:5c07298d3383 | 838 | bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize) |
| lucaslwl | 22:5c07298d3383 | 839 | { |
| lucaslwl | 22:5c07298d3383 | 840 | EP_STATUS result; |
| lucaslwl | 22:5c07298d3383 | 841 | |
| lucaslwl | 22:5c07298d3383 | 842 | if (size > maxSize) |
| lucaslwl | 22:5c07298d3383 | 843 | { |
| lucaslwl | 22:5c07298d3383 | 844 | return false; |
| lucaslwl | 22:5c07298d3383 | 845 | } |
| lucaslwl | 22:5c07298d3383 | 846 | |
| lucaslwl | 22:5c07298d3383 | 847 | |
| lucaslwl | 22:5c07298d3383 | 848 | if(!configured()) { |
| lucaslwl | 22:5c07298d3383 | 849 | return false; |
| lucaslwl | 22:5c07298d3383 | 850 | } |
| lucaslwl | 22:5c07298d3383 | 851 | |
| lucaslwl | 22:5c07298d3383 | 852 | /* Send report */ |
| lucaslwl | 22:5c07298d3383 | 853 | result = endpointWrite(endpoint, buffer, size); |
| lucaslwl | 22:5c07298d3383 | 854 | |
| lucaslwl | 22:5c07298d3383 | 855 | if (result != EP_PENDING) |
| lucaslwl | 22:5c07298d3383 | 856 | { |
| lucaslwl | 22:5c07298d3383 | 857 | return false; |
| lucaslwl | 22:5c07298d3383 | 858 | } |
| lucaslwl | 22:5c07298d3383 | 859 | |
| lucaslwl | 22:5c07298d3383 | 860 | /* Wait for completion */ |
| lucaslwl | 22:5c07298d3383 | 861 | do { |
| lucaslwl | 22:5c07298d3383 | 862 | result = endpointWriteResult(endpoint); |
| lucaslwl | 22:5c07298d3383 | 863 | } while ((result == EP_PENDING) && configured()); |
| lucaslwl | 22:5c07298d3383 | 864 | |
| lucaslwl | 22:5c07298d3383 | 865 | return (result == EP_COMPLETED); |
| lucaslwl | 22:5c07298d3383 | 866 | } |
| lucaslwl | 22:5c07298d3383 | 867 | |
| lucaslwl | 22:5c07298d3383 | 868 | |
| lucaslwl | 22:5c07298d3383 | 869 | bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize) |
| lucaslwl | 22:5c07298d3383 | 870 | { |
| lucaslwl | 22:5c07298d3383 | 871 | EP_STATUS result; |
| lucaslwl | 22:5c07298d3383 | 872 | |
| lucaslwl | 22:5c07298d3383 | 873 | if (size > maxSize) |
| lucaslwl | 22:5c07298d3383 | 874 | { |
| lucaslwl | 22:5c07298d3383 | 875 | return false; |
| lucaslwl | 22:5c07298d3383 | 876 | } |
| lucaslwl | 22:5c07298d3383 | 877 | |
| lucaslwl | 22:5c07298d3383 | 878 | if(!configured()) { |
| lucaslwl | 22:5c07298d3383 | 879 | return false; |
| lucaslwl | 22:5c07298d3383 | 880 | } |
| lucaslwl | 22:5c07298d3383 | 881 | |
| lucaslwl | 22:5c07298d3383 | 882 | /* Send report */ |
| lucaslwl | 22:5c07298d3383 | 883 | result = endpointWrite(endpoint, buffer, size); |
| lucaslwl | 22:5c07298d3383 | 884 | |
| lucaslwl | 22:5c07298d3383 | 885 | if (result != EP_PENDING) |
| lucaslwl | 22:5c07298d3383 | 886 | { |
| lucaslwl | 22:5c07298d3383 | 887 | return false; |
| lucaslwl | 22:5c07298d3383 | 888 | } |
| lucaslwl | 22:5c07298d3383 | 889 | |
| lucaslwl | 22:5c07298d3383 | 890 | result = endpointWriteResult(endpoint); |
| lucaslwl | 22:5c07298d3383 | 891 | |
| lucaslwl | 22:5c07298d3383 | 892 | return (result == EP_COMPLETED); |
| lucaslwl | 22:5c07298d3383 | 893 | } |
| lucaslwl | 22:5c07298d3383 | 894 | |
| lucaslwl | 22:5c07298d3383 | 895 | |
| lucaslwl | 22:5c07298d3383 | 896 | |
| lucaslwl | 22:5c07298d3383 | 897 | bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize) |
| lucaslwl | 22:5c07298d3383 | 898 | { |
| lucaslwl | 22:5c07298d3383 | 899 | EP_STATUS result; |
| lucaslwl | 22:5c07298d3383 | 900 | |
| lucaslwl | 22:5c07298d3383 | 901 | if(!configured()) { |
| lucaslwl | 22:5c07298d3383 | 902 | return false; |
| lucaslwl | 22:5c07298d3383 | 903 | } |
| lucaslwl | 22:5c07298d3383 | 904 | |
| lucaslwl | 22:5c07298d3383 | 905 | /* Wait for completion */ |
| lucaslwl | 22:5c07298d3383 | 906 | do { |
| lucaslwl | 22:5c07298d3383 | 907 | result = endpointReadResult(endpoint, buffer, size); |
| lucaslwl | 22:5c07298d3383 | 908 | } while ((result == EP_PENDING) && configured()); |
| lucaslwl | 22:5c07298d3383 | 909 | |
| lucaslwl | 22:5c07298d3383 | 910 | return (result == EP_COMPLETED); |
| lucaslwl | 22:5c07298d3383 | 911 | } |
| lucaslwl | 22:5c07298d3383 | 912 | |
| lucaslwl | 22:5c07298d3383 | 913 | |
| lucaslwl | 22:5c07298d3383 | 914 | bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize) |
| lucaslwl | 22:5c07298d3383 | 915 | { |
| lucaslwl | 22:5c07298d3383 | 916 | EP_STATUS result; |
| lucaslwl | 22:5c07298d3383 | 917 | |
| lucaslwl | 22:5c07298d3383 | 918 | if(!configured()) { |
| lucaslwl | 22:5c07298d3383 | 919 | return false; |
| lucaslwl | 22:5c07298d3383 | 920 | } |
| lucaslwl | 22:5c07298d3383 | 921 | |
| lucaslwl | 22:5c07298d3383 | 922 | result = endpointReadResult(endpoint, buffer, size); |
| lucaslwl | 22:5c07298d3383 | 923 | |
| lucaslwl | 22:5c07298d3383 | 924 | return (result == EP_COMPLETED); |
| lucaslwl | 22:5c07298d3383 | 925 | } |
| lucaslwl | 22:5c07298d3383 | 926 | |
| lucaslwl | 22:5c07298d3383 | 927 | |
| lucaslwl | 22:5c07298d3383 | 928 | |
| lucaslwl | 22:5c07298d3383 | 929 | uint8_t * USBDevice::deviceDesc() { |
| lucaslwl | 22:5c07298d3383 | 930 | static uint8_t deviceDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 931 | DEVICE_DESCRIPTOR_LENGTH, /* bLength */ |
| lucaslwl | 22:5c07298d3383 | 932 | DEVICE_DESCRIPTOR, /* bDescriptorType */ |
| lucaslwl | 22:5c07298d3383 | 933 | LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */ |
| lucaslwl | 22:5c07298d3383 | 934 | MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */ |
| lucaslwl | 22:5c07298d3383 | 935 | 0x00, /* bDeviceClass */ |
| lucaslwl | 22:5c07298d3383 | 936 | 0x00, /* bDeviceSubClass */ |
| lucaslwl | 22:5c07298d3383 | 937 | 0x00, /* bDeviceprotocol */ |
| lucaslwl | 22:5c07298d3383 | 938 | MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */ |
| lucaslwl | 22:5c07298d3383 | 939 | (uint8_t)(LSB(VENDOR_ID)), /* idVendor (LSB) */ |
| lucaslwl | 22:5c07298d3383 | 940 | (uint8_t)(MSB(VENDOR_ID)), /* idVendor (MSB) */ |
| lucaslwl | 22:5c07298d3383 | 941 | (uint8_t)(LSB(PRODUCT_ID)), /* idProduct (LSB) */ |
| lucaslwl | 22:5c07298d3383 | 942 | (uint8_t)(MSB(PRODUCT_ID)), /* idProduct (MSB) */ |
| lucaslwl | 22:5c07298d3383 | 943 | (uint8_t)(LSB(PRODUCT_RELEASE)), /* bcdDevice (LSB) */ |
| lucaslwl | 22:5c07298d3383 | 944 | (uint8_t)(MSB(PRODUCT_RELEASE)), /* bcdDevice (MSB) */ |
| lucaslwl | 22:5c07298d3383 | 945 | STRING_OFFSET_IMANUFACTURER, /* iManufacturer */ |
| lucaslwl | 22:5c07298d3383 | 946 | STRING_OFFSET_IPRODUCT, /* iProduct */ |
| lucaslwl | 22:5c07298d3383 | 947 | STRING_OFFSET_ISERIAL, /* iSerialNumber */ |
| lucaslwl | 22:5c07298d3383 | 948 | 0x01 /* bNumConfigurations */ |
| lucaslwl | 22:5c07298d3383 | 949 | }; |
| lucaslwl | 22:5c07298d3383 | 950 | return deviceDescriptor; |
| lucaslwl | 22:5c07298d3383 | 951 | } |
| lucaslwl | 22:5c07298d3383 | 952 | |
| lucaslwl | 22:5c07298d3383 | 953 | uint8_t * USBDevice::stringLangidDesc() { |
| lucaslwl | 22:5c07298d3383 | 954 | static uint8_t stringLangidDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 955 | 0x04, /*bLength*/ |
| lucaslwl | 22:5c07298d3383 | 956 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
| lucaslwl | 22:5c07298d3383 | 957 | 0x09,0x04, /*bString Lang ID - 0x0409 - English*/ |
| lucaslwl | 22:5c07298d3383 | 958 | }; |
| lucaslwl | 22:5c07298d3383 | 959 | return stringLangidDescriptor; |
| lucaslwl | 22:5c07298d3383 | 960 | } |
| lucaslwl | 22:5c07298d3383 | 961 | |
| lucaslwl | 22:5c07298d3383 | 962 | uint8_t * USBDevice::stringImanufacturerDesc() { |
| lucaslwl | 22:5c07298d3383 | 963 | static uint8_t stringImanufacturerDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 964 | 0x12, /*bLength*/ |
| lucaslwl | 22:5c07298d3383 | 965 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
| lucaslwl | 22:5c07298d3383 | 966 | 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/ |
| lucaslwl | 22:5c07298d3383 | 967 | }; |
| lucaslwl | 22:5c07298d3383 | 968 | return stringImanufacturerDescriptor; |
| lucaslwl | 22:5c07298d3383 | 969 | } |
| lucaslwl | 22:5c07298d3383 | 970 | |
| lucaslwl | 22:5c07298d3383 | 971 | uint8_t * USBDevice::stringIserialDesc() { |
| lucaslwl | 22:5c07298d3383 | 972 | static uint8_t stringIserialDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 973 | 0x16, /*bLength*/ |
| lucaslwl | 22:5c07298d3383 | 974 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
| lucaslwl | 22:5c07298d3383 | 975 | '0',0,'1',0,'2',0,'3',0,'4',0,'5',0,'6',0,'7',0,'8',0,'9',0, /*bString iSerial - 0123456789*/ |
| lucaslwl | 22:5c07298d3383 | 976 | }; |
| lucaslwl | 22:5c07298d3383 | 977 | return stringIserialDescriptor; |
| lucaslwl | 22:5c07298d3383 | 978 | } |
| lucaslwl | 22:5c07298d3383 | 979 | |
| lucaslwl | 22:5c07298d3383 | 980 | uint8_t * USBDevice::stringIConfigurationDesc() { |
| lucaslwl | 22:5c07298d3383 | 981 | static uint8_t stringIconfigurationDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 982 | 0x06, /*bLength*/ |
| lucaslwl | 22:5c07298d3383 | 983 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
| lucaslwl | 22:5c07298d3383 | 984 | '0',0,'1',0, /*bString iConfiguration - 01*/ |
| lucaslwl | 22:5c07298d3383 | 985 | }; |
| lucaslwl | 22:5c07298d3383 | 986 | return stringIconfigurationDescriptor; |
| lucaslwl | 22:5c07298d3383 | 987 | } |
| lucaslwl | 22:5c07298d3383 | 988 | |
| lucaslwl | 22:5c07298d3383 | 989 | uint8_t * USBDevice::stringIinterfaceDesc() { |
| lucaslwl | 22:5c07298d3383 | 990 | static uint8_t stringIinterfaceDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 991 | 0x08, /*bLength*/ |
| lucaslwl | 22:5c07298d3383 | 992 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
| lucaslwl | 22:5c07298d3383 | 993 | 'U',0,'S',0,'B',0, /*bString iInterface - USB*/ |
| lucaslwl | 22:5c07298d3383 | 994 | }; |
| lucaslwl | 22:5c07298d3383 | 995 | return stringIinterfaceDescriptor; |
| lucaslwl | 22:5c07298d3383 | 996 | } |
| lucaslwl | 22:5c07298d3383 | 997 | |
| lucaslwl | 22:5c07298d3383 | 998 | uint8_t * USBDevice::stringIproductDesc() { |
| lucaslwl | 22:5c07298d3383 | 999 | static uint8_t stringIproductDescriptor[] = { |
| lucaslwl | 22:5c07298d3383 | 1000 | 0x16, /*bLength*/ |
| lucaslwl | 22:5c07298d3383 | 1001 | STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ |
| lucaslwl | 22:5c07298d3383 | 1002 | 'U',0,'S',0,'B',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 /*bString iProduct - USB DEVICE*/ |
| lucaslwl | 22:5c07298d3383 | 1003 | }; |
| lucaslwl | 22:5c07298d3383 | 1004 | return stringIproductDescriptor; |
| lucaslwl | 22:5c07298d3383 | 1005 | } |