H2M Teststand
/
Pruefprogramm_Motorteststand
Kalibriersoftware Stromwerte
USBMSD/USBMSD.cpp@1:ea5f520dcdc1, 2015-11-28 (annotated)
- Committer:
- Racer01014
- Date:
- Sat Nov 28 13:50:31 2015 +0000
- Revision:
- 1:ea5f520dcdc1
- Parent:
- 0:5e35c180ed4a
-
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Racer01014 | 0:5e35c180ed4a | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
Racer01014 | 0:5e35c180ed4a | 2 | * |
Racer01014 | 0:5e35c180ed4a | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
Racer01014 | 0:5e35c180ed4a | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
Racer01014 | 0:5e35c180ed4a | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
Racer01014 | 0:5e35c180ed4a | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
Racer01014 | 0:5e35c180ed4a | 7 | * Software is furnished to do so, subject to the following conditions: |
Racer01014 | 0:5e35c180ed4a | 8 | * |
Racer01014 | 0:5e35c180ed4a | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
Racer01014 | 0:5e35c180ed4a | 10 | * substantial portions of the Software. |
Racer01014 | 0:5e35c180ed4a | 11 | * |
Racer01014 | 0:5e35c180ed4a | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
Racer01014 | 0:5e35c180ed4a | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Racer01014 | 0:5e35c180ed4a | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
Racer01014 | 0:5e35c180ed4a | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Racer01014 | 0:5e35c180ed4a | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Racer01014 | 0:5e35c180ed4a | 17 | */ |
Racer01014 | 0:5e35c180ed4a | 18 | |
Racer01014 | 0:5e35c180ed4a | 19 | #include "stdint.h" |
Racer01014 | 0:5e35c180ed4a | 20 | #include "USBMSD.h" |
Racer01014 | 0:5e35c180ed4a | 21 | |
Racer01014 | 0:5e35c180ed4a | 22 | #define DISK_OK 0x00 |
Racer01014 | 0:5e35c180ed4a | 23 | #define NO_INIT 0x01 |
Racer01014 | 0:5e35c180ed4a | 24 | #define NO_DISK 0x02 |
Racer01014 | 0:5e35c180ed4a | 25 | #define WRITE_PROTECT 0x04 |
Racer01014 | 0:5e35c180ed4a | 26 | |
Racer01014 | 0:5e35c180ed4a | 27 | #define CBW_Signature 0x43425355 |
Racer01014 | 0:5e35c180ed4a | 28 | #define CSW_Signature 0x53425355 |
Racer01014 | 0:5e35c180ed4a | 29 | |
Racer01014 | 0:5e35c180ed4a | 30 | // SCSI Commands |
Racer01014 | 0:5e35c180ed4a | 31 | #define TEST_UNIT_READY 0x00 |
Racer01014 | 0:5e35c180ed4a | 32 | #define REQUEST_SENSE 0x03 |
Racer01014 | 0:5e35c180ed4a | 33 | #define FORMAT_UNIT 0x04 |
Racer01014 | 0:5e35c180ed4a | 34 | #define INQUIRY 0x12 |
Racer01014 | 0:5e35c180ed4a | 35 | #define MODE_SELECT6 0x15 |
Racer01014 | 0:5e35c180ed4a | 36 | #define MODE_SENSE6 0x1A |
Racer01014 | 0:5e35c180ed4a | 37 | #define START_STOP_UNIT 0x1B |
Racer01014 | 0:5e35c180ed4a | 38 | #define MEDIA_REMOVAL 0x1E |
Racer01014 | 0:5e35c180ed4a | 39 | #define READ_FORMAT_CAPACITIES 0x23 |
Racer01014 | 0:5e35c180ed4a | 40 | #define READ_CAPACITY 0x25 |
Racer01014 | 0:5e35c180ed4a | 41 | #define READ10 0x28 |
Racer01014 | 0:5e35c180ed4a | 42 | #define WRITE10 0x2A |
Racer01014 | 0:5e35c180ed4a | 43 | #define VERIFY10 0x2F |
Racer01014 | 0:5e35c180ed4a | 44 | #define READ12 0xA8 |
Racer01014 | 0:5e35c180ed4a | 45 | #define WRITE12 0xAA |
Racer01014 | 0:5e35c180ed4a | 46 | #define MODE_SELECT10 0x55 |
Racer01014 | 0:5e35c180ed4a | 47 | #define MODE_SENSE10 0x5A |
Racer01014 | 0:5e35c180ed4a | 48 | |
Racer01014 | 0:5e35c180ed4a | 49 | // MSC class specific requests |
Racer01014 | 0:5e35c180ed4a | 50 | #define MSC_REQUEST_RESET 0xFF |
Racer01014 | 0:5e35c180ed4a | 51 | #define MSC_REQUEST_GET_MAX_LUN 0xFE |
Racer01014 | 0:5e35c180ed4a | 52 | |
Racer01014 | 0:5e35c180ed4a | 53 | #define DEFAULT_CONFIGURATION (1) |
Racer01014 | 0:5e35c180ed4a | 54 | |
Racer01014 | 0:5e35c180ed4a | 55 | // max packet size |
Racer01014 | 0:5e35c180ed4a | 56 | #define MAX_PACKET MAX_PACKET_SIZE_EPBULK |
Racer01014 | 0:5e35c180ed4a | 57 | |
Racer01014 | 0:5e35c180ed4a | 58 | // CSW Status |
Racer01014 | 0:5e35c180ed4a | 59 | enum Status { |
Racer01014 | 0:5e35c180ed4a | 60 | CSW_PASSED, |
Racer01014 | 0:5e35c180ed4a | 61 | CSW_FAILED, |
Racer01014 | 0:5e35c180ed4a | 62 | CSW_ERROR, |
Racer01014 | 0:5e35c180ed4a | 63 | }; |
Racer01014 | 0:5e35c180ed4a | 64 | |
Racer01014 | 0:5e35c180ed4a | 65 | |
Racer01014 | 0:5e35c180ed4a | 66 | USBMSD::USBMSD(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { |
Racer01014 | 0:5e35c180ed4a | 67 | stage = READ_CBW; |
Racer01014 | 0:5e35c180ed4a | 68 | memset((void *)&cbw, 0, sizeof(CBW)); |
Racer01014 | 0:5e35c180ed4a | 69 | memset((void *)&csw, 0, sizeof(CSW)); |
Racer01014 | 0:5e35c180ed4a | 70 | } |
Racer01014 | 0:5e35c180ed4a | 71 | |
Racer01014 | 0:5e35c180ed4a | 72 | |
Racer01014 | 0:5e35c180ed4a | 73 | |
Racer01014 | 0:5e35c180ed4a | 74 | // Called in ISR context to process a class specific request |
Racer01014 | 0:5e35c180ed4a | 75 | bool USBMSD::USBCallback_request(void) { |
Racer01014 | 0:5e35c180ed4a | 76 | |
Racer01014 | 0:5e35c180ed4a | 77 | bool success = false; |
Racer01014 | 0:5e35c180ed4a | 78 | CONTROL_TRANSFER * transfer = getTransferPtr(); |
Racer01014 | 0:5e35c180ed4a | 79 | static uint8_t maxLUN[1] = {0}; |
Racer01014 | 0:5e35c180ed4a | 80 | |
Racer01014 | 0:5e35c180ed4a | 81 | if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { |
Racer01014 | 0:5e35c180ed4a | 82 | switch (transfer->setup.bRequest) { |
Racer01014 | 0:5e35c180ed4a | 83 | case MSC_REQUEST_RESET: |
Racer01014 | 0:5e35c180ed4a | 84 | reset(); |
Racer01014 | 0:5e35c180ed4a | 85 | success = true; |
Racer01014 | 0:5e35c180ed4a | 86 | break; |
Racer01014 | 0:5e35c180ed4a | 87 | case MSC_REQUEST_GET_MAX_LUN: |
Racer01014 | 0:5e35c180ed4a | 88 | transfer->remaining = 1; |
Racer01014 | 0:5e35c180ed4a | 89 | transfer->ptr = maxLUN; |
Racer01014 | 0:5e35c180ed4a | 90 | transfer->direction = DEVICE_TO_HOST; |
Racer01014 | 0:5e35c180ed4a | 91 | success = true; |
Racer01014 | 0:5e35c180ed4a | 92 | break; |
Racer01014 | 0:5e35c180ed4a | 93 | default: |
Racer01014 | 0:5e35c180ed4a | 94 | break; |
Racer01014 | 0:5e35c180ed4a | 95 | } |
Racer01014 | 0:5e35c180ed4a | 96 | } |
Racer01014 | 0:5e35c180ed4a | 97 | |
Racer01014 | 0:5e35c180ed4a | 98 | return success; |
Racer01014 | 0:5e35c180ed4a | 99 | } |
Racer01014 | 0:5e35c180ed4a | 100 | |
Racer01014 | 0:5e35c180ed4a | 101 | |
Racer01014 | 0:5e35c180ed4a | 102 | bool USBMSD::connect() { |
Racer01014 | 0:5e35c180ed4a | 103 | |
Racer01014 | 0:5e35c180ed4a | 104 | //disk initialization |
Racer01014 | 0:5e35c180ed4a | 105 | if (disk_status() & NO_INIT) { |
Racer01014 | 0:5e35c180ed4a | 106 | if (disk_initialize()) { |
Racer01014 | 0:5e35c180ed4a | 107 | return false; |
Racer01014 | 0:5e35c180ed4a | 108 | } |
Racer01014 | 0:5e35c180ed4a | 109 | } |
Racer01014 | 0:5e35c180ed4a | 110 | |
Racer01014 | 0:5e35c180ed4a | 111 | // get number of blocks |
Racer01014 | 0:5e35c180ed4a | 112 | BlockCount = disk_sectors(); |
Racer01014 | 0:5e35c180ed4a | 113 | |
Racer01014 | 0:5e35c180ed4a | 114 | // get memory size |
Racer01014 | 0:5e35c180ed4a | 115 | MemorySize = disk_size(); |
Racer01014 | 0:5e35c180ed4a | 116 | |
Racer01014 | 0:5e35c180ed4a | 117 | if (BlockCount > 0) { |
Racer01014 | 0:5e35c180ed4a | 118 | BlockSize = MemorySize / BlockCount; |
Racer01014 | 0:5e35c180ed4a | 119 | if (BlockSize != 0) { |
Racer01014 | 0:5e35c180ed4a | 120 | page = (uint8_t *)malloc(BlockSize * sizeof(uint8_t)); |
Racer01014 | 0:5e35c180ed4a | 121 | if (page == NULL) |
Racer01014 | 0:5e35c180ed4a | 122 | return false; |
Racer01014 | 0:5e35c180ed4a | 123 | } |
Racer01014 | 0:5e35c180ed4a | 124 | } else { |
Racer01014 | 0:5e35c180ed4a | 125 | return false; |
Racer01014 | 0:5e35c180ed4a | 126 | } |
Racer01014 | 0:5e35c180ed4a | 127 | |
Racer01014 | 0:5e35c180ed4a | 128 | //connect the device |
Racer01014 | 0:5e35c180ed4a | 129 | USBDevice::connect(); |
Racer01014 | 0:5e35c180ed4a | 130 | return true; |
Racer01014 | 0:5e35c180ed4a | 131 | } |
Racer01014 | 0:5e35c180ed4a | 132 | |
Racer01014 | 0:5e35c180ed4a | 133 | |
Racer01014 | 0:5e35c180ed4a | 134 | void USBMSD::reset() { |
Racer01014 | 0:5e35c180ed4a | 135 | stage = READ_CBW; |
Racer01014 | 0:5e35c180ed4a | 136 | } |
Racer01014 | 0:5e35c180ed4a | 137 | |
Racer01014 | 0:5e35c180ed4a | 138 | |
Racer01014 | 0:5e35c180ed4a | 139 | // Called in ISR context called when a data is received |
Racer01014 | 0:5e35c180ed4a | 140 | bool USBMSD::EP2_OUT_callback() { |
Racer01014 | 0:5e35c180ed4a | 141 | uint32_t size = 0; |
Racer01014 | 0:5e35c180ed4a | 142 | uint8_t buf[MAX_PACKET_SIZE_EPBULK]; |
Racer01014 | 0:5e35c180ed4a | 143 | readEP(EPBULK_OUT, buf, &size, MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 144 | switch (stage) { |
Racer01014 | 0:5e35c180ed4a | 145 | // the device has to decode the CBW received |
Racer01014 | 0:5e35c180ed4a | 146 | case READ_CBW: |
Racer01014 | 0:5e35c180ed4a | 147 | CBWDecode(buf, size); |
Racer01014 | 0:5e35c180ed4a | 148 | break; |
Racer01014 | 0:5e35c180ed4a | 149 | |
Racer01014 | 0:5e35c180ed4a | 150 | // the device has to receive data from the host |
Racer01014 | 0:5e35c180ed4a | 151 | case PROCESS_CBW: |
Racer01014 | 0:5e35c180ed4a | 152 | switch (cbw.CB[0]) { |
Racer01014 | 0:5e35c180ed4a | 153 | case WRITE10: |
Racer01014 | 0:5e35c180ed4a | 154 | case WRITE12: |
Racer01014 | 0:5e35c180ed4a | 155 | memoryWrite(buf, size); |
Racer01014 | 0:5e35c180ed4a | 156 | break; |
Racer01014 | 0:5e35c180ed4a | 157 | case VERIFY10: |
Racer01014 | 0:5e35c180ed4a | 158 | memoryVerify(buf, size); |
Racer01014 | 0:5e35c180ed4a | 159 | break; |
Racer01014 | 0:5e35c180ed4a | 160 | } |
Racer01014 | 0:5e35c180ed4a | 161 | break; |
Racer01014 | 0:5e35c180ed4a | 162 | |
Racer01014 | 0:5e35c180ed4a | 163 | // an error has occured: stall endpoint and send CSW |
Racer01014 | 0:5e35c180ed4a | 164 | default: |
Racer01014 | 0:5e35c180ed4a | 165 | stallEndpoint(EPBULK_OUT); |
Racer01014 | 0:5e35c180ed4a | 166 | csw.Status = CSW_ERROR; |
Racer01014 | 0:5e35c180ed4a | 167 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 168 | break; |
Racer01014 | 0:5e35c180ed4a | 169 | } |
Racer01014 | 0:5e35c180ed4a | 170 | |
Racer01014 | 0:5e35c180ed4a | 171 | //reactivate readings on the OUT bulk endpoint |
Racer01014 | 0:5e35c180ed4a | 172 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 173 | return true; |
Racer01014 | 0:5e35c180ed4a | 174 | } |
Racer01014 | 0:5e35c180ed4a | 175 | |
Racer01014 | 0:5e35c180ed4a | 176 | // Called in ISR context when a data has been transferred |
Racer01014 | 0:5e35c180ed4a | 177 | bool USBMSD::EP2_IN_callback() { |
Racer01014 | 0:5e35c180ed4a | 178 | switch (stage) { |
Racer01014 | 0:5e35c180ed4a | 179 | |
Racer01014 | 0:5e35c180ed4a | 180 | // the device has to send data to the host |
Racer01014 | 0:5e35c180ed4a | 181 | case PROCESS_CBW: |
Racer01014 | 0:5e35c180ed4a | 182 | switch (cbw.CB[0]) { |
Racer01014 | 0:5e35c180ed4a | 183 | case READ10: |
Racer01014 | 0:5e35c180ed4a | 184 | case READ12: |
Racer01014 | 0:5e35c180ed4a | 185 | memoryRead(); |
Racer01014 | 0:5e35c180ed4a | 186 | break; |
Racer01014 | 0:5e35c180ed4a | 187 | } |
Racer01014 | 0:5e35c180ed4a | 188 | break; |
Racer01014 | 0:5e35c180ed4a | 189 | |
Racer01014 | 0:5e35c180ed4a | 190 | //the device has to send a CSW |
Racer01014 | 0:5e35c180ed4a | 191 | case SEND_CSW: |
Racer01014 | 0:5e35c180ed4a | 192 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 193 | break; |
Racer01014 | 0:5e35c180ed4a | 194 | |
Racer01014 | 0:5e35c180ed4a | 195 | // an error has occured |
Racer01014 | 0:5e35c180ed4a | 196 | case ERROR: |
Racer01014 | 0:5e35c180ed4a | 197 | stallEndpoint(EPBULK_IN); |
Racer01014 | 0:5e35c180ed4a | 198 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 199 | break; |
Racer01014 | 0:5e35c180ed4a | 200 | |
Racer01014 | 0:5e35c180ed4a | 201 | // the host has received the CSW -> we wait a CBW |
Racer01014 | 0:5e35c180ed4a | 202 | case WAIT_CSW: |
Racer01014 | 0:5e35c180ed4a | 203 | stage = READ_CBW; |
Racer01014 | 0:5e35c180ed4a | 204 | break; |
Racer01014 | 0:5e35c180ed4a | 205 | } |
Racer01014 | 0:5e35c180ed4a | 206 | return true; |
Racer01014 | 0:5e35c180ed4a | 207 | } |
Racer01014 | 0:5e35c180ed4a | 208 | |
Racer01014 | 0:5e35c180ed4a | 209 | |
Racer01014 | 0:5e35c180ed4a | 210 | void USBMSD::memoryWrite (uint8_t * buf, uint16_t size) { |
Racer01014 | 0:5e35c180ed4a | 211 | |
Racer01014 | 0:5e35c180ed4a | 212 | if ((addr + size) > MemorySize) { |
Racer01014 | 0:5e35c180ed4a | 213 | size = MemorySize - addr; |
Racer01014 | 0:5e35c180ed4a | 214 | stage = ERROR; |
Racer01014 | 0:5e35c180ed4a | 215 | stallEndpoint(EPBULK_OUT); |
Racer01014 | 0:5e35c180ed4a | 216 | } |
Racer01014 | 0:5e35c180ed4a | 217 | |
Racer01014 | 0:5e35c180ed4a | 218 | // we fill an array in RAM of 1 block before writing it in memory |
Racer01014 | 0:5e35c180ed4a | 219 | for (int i = 0; i < size; i++) |
Racer01014 | 0:5e35c180ed4a | 220 | page[addr%BlockSize + i] = buf[i]; |
Racer01014 | 0:5e35c180ed4a | 221 | |
Racer01014 | 0:5e35c180ed4a | 222 | // if the array is filled, write it in memory |
Racer01014 | 0:5e35c180ed4a | 223 | if (!((addr + size)%BlockSize)) { |
Racer01014 | 0:5e35c180ed4a | 224 | if (!(disk_status() & WRITE_PROTECT)) { |
Racer01014 | 0:5e35c180ed4a | 225 | disk_write(page, addr/BlockSize); |
Racer01014 | 0:5e35c180ed4a | 226 | } |
Racer01014 | 0:5e35c180ed4a | 227 | } |
Racer01014 | 0:5e35c180ed4a | 228 | |
Racer01014 | 0:5e35c180ed4a | 229 | addr += size; |
Racer01014 | 0:5e35c180ed4a | 230 | length -= size; |
Racer01014 | 0:5e35c180ed4a | 231 | csw.DataResidue -= size; |
Racer01014 | 0:5e35c180ed4a | 232 | |
Racer01014 | 0:5e35c180ed4a | 233 | if ((!length) || (stage != PROCESS_CBW)) { |
Racer01014 | 0:5e35c180ed4a | 234 | csw.Status = (stage == ERROR) ? CSW_FAILED : CSW_PASSED; |
Racer01014 | 0:5e35c180ed4a | 235 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 236 | } |
Racer01014 | 0:5e35c180ed4a | 237 | } |
Racer01014 | 0:5e35c180ed4a | 238 | |
Racer01014 | 0:5e35c180ed4a | 239 | void USBMSD::memoryVerify (uint8_t * buf, uint16_t size) { |
Racer01014 | 0:5e35c180ed4a | 240 | uint32_t n; |
Racer01014 | 0:5e35c180ed4a | 241 | |
Racer01014 | 0:5e35c180ed4a | 242 | if ((addr + size) > MemorySize) { |
Racer01014 | 0:5e35c180ed4a | 243 | size = MemorySize - addr; |
Racer01014 | 0:5e35c180ed4a | 244 | stage = ERROR; |
Racer01014 | 0:5e35c180ed4a | 245 | stallEndpoint(EPBULK_OUT); |
Racer01014 | 0:5e35c180ed4a | 246 | } |
Racer01014 | 0:5e35c180ed4a | 247 | |
Racer01014 | 0:5e35c180ed4a | 248 | // beginning of a new block -> load a whole block in RAM |
Racer01014 | 0:5e35c180ed4a | 249 | if (!(addr%BlockSize)) |
Racer01014 | 0:5e35c180ed4a | 250 | disk_read(page, addr/BlockSize); |
Racer01014 | 0:5e35c180ed4a | 251 | |
Racer01014 | 0:5e35c180ed4a | 252 | // info are in RAM -> no need to re-read memory |
Racer01014 | 0:5e35c180ed4a | 253 | for (n = 0; n < size; n++) { |
Racer01014 | 0:5e35c180ed4a | 254 | if (page[addr%BlockSize + n] != buf[n]) { |
Racer01014 | 0:5e35c180ed4a | 255 | memOK = false; |
Racer01014 | 0:5e35c180ed4a | 256 | break; |
Racer01014 | 0:5e35c180ed4a | 257 | } |
Racer01014 | 0:5e35c180ed4a | 258 | } |
Racer01014 | 0:5e35c180ed4a | 259 | |
Racer01014 | 0:5e35c180ed4a | 260 | addr += size; |
Racer01014 | 0:5e35c180ed4a | 261 | length -= size; |
Racer01014 | 0:5e35c180ed4a | 262 | csw.DataResidue -= size; |
Racer01014 | 0:5e35c180ed4a | 263 | |
Racer01014 | 0:5e35c180ed4a | 264 | if ( !length || (stage != PROCESS_CBW)) { |
Racer01014 | 0:5e35c180ed4a | 265 | csw.Status = (memOK && (stage == PROCESS_CBW)) ? CSW_PASSED : CSW_FAILED; |
Racer01014 | 0:5e35c180ed4a | 266 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 267 | } |
Racer01014 | 0:5e35c180ed4a | 268 | } |
Racer01014 | 0:5e35c180ed4a | 269 | |
Racer01014 | 0:5e35c180ed4a | 270 | |
Racer01014 | 0:5e35c180ed4a | 271 | bool USBMSD::inquiryRequest (void) { |
Racer01014 | 0:5e35c180ed4a | 272 | uint8_t inquiry[] = { 0x00, 0x80, 0x00, 0x01, |
Racer01014 | 0:5e35c180ed4a | 273 | 36 - 4, 0x80, 0x00, 0x00, |
Racer01014 | 0:5e35c180ed4a | 274 | 'M', 'B', 'E', 'D', '.', 'O', 'R', 'G', |
Racer01014 | 0:5e35c180ed4a | 275 | 'M', 'B', 'E', 'D', ' ', 'U', 'S', 'B', ' ', 'D', 'I', 'S', 'K', ' ', ' ', ' ', |
Racer01014 | 0:5e35c180ed4a | 276 | '1', '.', '0', ' ', |
Racer01014 | 0:5e35c180ed4a | 277 | }; |
Racer01014 | 0:5e35c180ed4a | 278 | if (!write(inquiry, sizeof(inquiry))) { |
Racer01014 | 0:5e35c180ed4a | 279 | return false; |
Racer01014 | 0:5e35c180ed4a | 280 | } |
Racer01014 | 0:5e35c180ed4a | 281 | return true; |
Racer01014 | 0:5e35c180ed4a | 282 | } |
Racer01014 | 0:5e35c180ed4a | 283 | |
Racer01014 | 0:5e35c180ed4a | 284 | |
Racer01014 | 0:5e35c180ed4a | 285 | bool USBMSD::readFormatCapacity() { |
Racer01014 | 0:5e35c180ed4a | 286 | uint8_t capacity[] = { 0x00, 0x00, 0x00, 0x08, |
Racer01014 | 0:5e35c180ed4a | 287 | (BlockCount >> 24) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 288 | (BlockCount >> 16) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 289 | (BlockCount >> 8) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 290 | (BlockCount >> 0) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 291 | |
Racer01014 | 0:5e35c180ed4a | 292 | 0x02, |
Racer01014 | 0:5e35c180ed4a | 293 | (BlockSize >> 16) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 294 | (BlockSize >> 8) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 295 | (BlockSize >> 0) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 296 | }; |
Racer01014 | 0:5e35c180ed4a | 297 | if (!write(capacity, sizeof(capacity))) { |
Racer01014 | 0:5e35c180ed4a | 298 | return false; |
Racer01014 | 0:5e35c180ed4a | 299 | } |
Racer01014 | 0:5e35c180ed4a | 300 | return true; |
Racer01014 | 0:5e35c180ed4a | 301 | } |
Racer01014 | 0:5e35c180ed4a | 302 | |
Racer01014 | 0:5e35c180ed4a | 303 | |
Racer01014 | 0:5e35c180ed4a | 304 | bool USBMSD::readCapacity (void) { |
Racer01014 | 0:5e35c180ed4a | 305 | uint8_t capacity[] = { |
Racer01014 | 0:5e35c180ed4a | 306 | ((BlockCount - 1) >> 24) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 307 | ((BlockCount - 1) >> 16) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 308 | ((BlockCount - 1) >> 8) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 309 | ((BlockCount - 1) >> 0) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 310 | |
Racer01014 | 0:5e35c180ed4a | 311 | (BlockSize >> 24) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 312 | (BlockSize >> 16) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 313 | (BlockSize >> 8) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 314 | (BlockSize >> 0) & 0xff, |
Racer01014 | 0:5e35c180ed4a | 315 | }; |
Racer01014 | 0:5e35c180ed4a | 316 | if (!write(capacity, sizeof(capacity))) { |
Racer01014 | 0:5e35c180ed4a | 317 | return false; |
Racer01014 | 0:5e35c180ed4a | 318 | } |
Racer01014 | 0:5e35c180ed4a | 319 | return true; |
Racer01014 | 0:5e35c180ed4a | 320 | } |
Racer01014 | 0:5e35c180ed4a | 321 | |
Racer01014 | 0:5e35c180ed4a | 322 | bool USBMSD::write (uint8_t * buf, uint16_t size) { |
Racer01014 | 0:5e35c180ed4a | 323 | |
Racer01014 | 0:5e35c180ed4a | 324 | if (size >= cbw.DataLength) { |
Racer01014 | 0:5e35c180ed4a | 325 | size = cbw.DataLength; |
Racer01014 | 0:5e35c180ed4a | 326 | } |
Racer01014 | 0:5e35c180ed4a | 327 | stage = SEND_CSW; |
Racer01014 | 0:5e35c180ed4a | 328 | |
Racer01014 | 0:5e35c180ed4a | 329 | if (!writeNB(EPBULK_IN, buf, size, MAX_PACKET_SIZE_EPBULK)) { |
Racer01014 | 0:5e35c180ed4a | 330 | return false; |
Racer01014 | 0:5e35c180ed4a | 331 | } |
Racer01014 | 0:5e35c180ed4a | 332 | |
Racer01014 | 0:5e35c180ed4a | 333 | csw.DataResidue -= size; |
Racer01014 | 0:5e35c180ed4a | 334 | csw.Status = CSW_PASSED; |
Racer01014 | 0:5e35c180ed4a | 335 | return true; |
Racer01014 | 0:5e35c180ed4a | 336 | } |
Racer01014 | 0:5e35c180ed4a | 337 | |
Racer01014 | 0:5e35c180ed4a | 338 | |
Racer01014 | 0:5e35c180ed4a | 339 | bool USBMSD::modeSense6 (void) { |
Racer01014 | 0:5e35c180ed4a | 340 | uint8_t sense6[] = { 0x03, 0x00, 0x00, 0x00 }; |
Racer01014 | 0:5e35c180ed4a | 341 | if (!write(sense6, sizeof(sense6))) { |
Racer01014 | 0:5e35c180ed4a | 342 | return false; |
Racer01014 | 0:5e35c180ed4a | 343 | } |
Racer01014 | 0:5e35c180ed4a | 344 | return true; |
Racer01014 | 0:5e35c180ed4a | 345 | } |
Racer01014 | 0:5e35c180ed4a | 346 | |
Racer01014 | 0:5e35c180ed4a | 347 | void USBMSD::sendCSW() { |
Racer01014 | 0:5e35c180ed4a | 348 | csw.Signature = CSW_Signature; |
Racer01014 | 0:5e35c180ed4a | 349 | writeNB(EPBULK_IN, (uint8_t *)&csw, sizeof(CSW), MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 350 | stage = WAIT_CSW; |
Racer01014 | 0:5e35c180ed4a | 351 | } |
Racer01014 | 0:5e35c180ed4a | 352 | |
Racer01014 | 0:5e35c180ed4a | 353 | bool USBMSD::requestSense (void) { |
Racer01014 | 0:5e35c180ed4a | 354 | uint8_t request_sense[] = { |
Racer01014 | 0:5e35c180ed4a | 355 | 0x70, |
Racer01014 | 0:5e35c180ed4a | 356 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 357 | 0x05, // Sense Key: illegal request |
Racer01014 | 0:5e35c180ed4a | 358 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 359 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 360 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 361 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 362 | 0x0A, |
Racer01014 | 0:5e35c180ed4a | 363 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 364 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 365 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 366 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 367 | 0x30, |
Racer01014 | 0:5e35c180ed4a | 368 | 0x01, |
Racer01014 | 0:5e35c180ed4a | 369 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 370 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 371 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 372 | 0x00, |
Racer01014 | 0:5e35c180ed4a | 373 | }; |
Racer01014 | 0:5e35c180ed4a | 374 | |
Racer01014 | 0:5e35c180ed4a | 375 | if (!write(request_sense, sizeof(request_sense))) { |
Racer01014 | 0:5e35c180ed4a | 376 | return false; |
Racer01014 | 0:5e35c180ed4a | 377 | } |
Racer01014 | 0:5e35c180ed4a | 378 | |
Racer01014 | 0:5e35c180ed4a | 379 | return true; |
Racer01014 | 0:5e35c180ed4a | 380 | } |
Racer01014 | 0:5e35c180ed4a | 381 | |
Racer01014 | 0:5e35c180ed4a | 382 | void USBMSD::fail() { |
Racer01014 | 0:5e35c180ed4a | 383 | csw.Status = CSW_FAILED; |
Racer01014 | 0:5e35c180ed4a | 384 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 385 | } |
Racer01014 | 0:5e35c180ed4a | 386 | |
Racer01014 | 0:5e35c180ed4a | 387 | |
Racer01014 | 0:5e35c180ed4a | 388 | void USBMSD::CBWDecode(uint8_t * buf, uint16_t size) { |
Racer01014 | 0:5e35c180ed4a | 389 | if (size == sizeof(cbw)) { |
Racer01014 | 0:5e35c180ed4a | 390 | memcpy((uint8_t *)&cbw, buf, size); |
Racer01014 | 0:5e35c180ed4a | 391 | if (cbw.Signature == CBW_Signature) { |
Racer01014 | 0:5e35c180ed4a | 392 | csw.Tag = cbw.Tag; |
Racer01014 | 0:5e35c180ed4a | 393 | csw.DataResidue = cbw.DataLength; |
Racer01014 | 0:5e35c180ed4a | 394 | if ((cbw.CBLength < 1) || (cbw.CBLength > 16) ) { |
Racer01014 | 0:5e35c180ed4a | 395 | fail(); |
Racer01014 | 0:5e35c180ed4a | 396 | } else { |
Racer01014 | 0:5e35c180ed4a | 397 | switch (cbw.CB[0]) { |
Racer01014 | 0:5e35c180ed4a | 398 | case TEST_UNIT_READY: |
Racer01014 | 0:5e35c180ed4a | 399 | testUnitReady(); |
Racer01014 | 0:5e35c180ed4a | 400 | break; |
Racer01014 | 0:5e35c180ed4a | 401 | case REQUEST_SENSE: |
Racer01014 | 0:5e35c180ed4a | 402 | requestSense(); |
Racer01014 | 0:5e35c180ed4a | 403 | break; |
Racer01014 | 0:5e35c180ed4a | 404 | case INQUIRY: |
Racer01014 | 0:5e35c180ed4a | 405 | inquiryRequest(); |
Racer01014 | 0:5e35c180ed4a | 406 | break; |
Racer01014 | 0:5e35c180ed4a | 407 | case MODE_SENSE6: |
Racer01014 | 0:5e35c180ed4a | 408 | modeSense6(); |
Racer01014 | 0:5e35c180ed4a | 409 | break; |
Racer01014 | 0:5e35c180ed4a | 410 | case READ_FORMAT_CAPACITIES: |
Racer01014 | 0:5e35c180ed4a | 411 | readFormatCapacity(); |
Racer01014 | 0:5e35c180ed4a | 412 | break; |
Racer01014 | 0:5e35c180ed4a | 413 | case READ_CAPACITY: |
Racer01014 | 0:5e35c180ed4a | 414 | readCapacity(); |
Racer01014 | 0:5e35c180ed4a | 415 | break; |
Racer01014 | 0:5e35c180ed4a | 416 | case READ10: |
Racer01014 | 0:5e35c180ed4a | 417 | case READ12: |
Racer01014 | 0:5e35c180ed4a | 418 | if (infoTransfer()) { |
Racer01014 | 0:5e35c180ed4a | 419 | if ((cbw.Flags & 0x80)) { |
Racer01014 | 0:5e35c180ed4a | 420 | stage = PROCESS_CBW; |
Racer01014 | 0:5e35c180ed4a | 421 | memoryRead(); |
Racer01014 | 0:5e35c180ed4a | 422 | } else { |
Racer01014 | 0:5e35c180ed4a | 423 | stallEndpoint(EPBULK_OUT); |
Racer01014 | 0:5e35c180ed4a | 424 | csw.Status = CSW_ERROR; |
Racer01014 | 0:5e35c180ed4a | 425 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 426 | } |
Racer01014 | 0:5e35c180ed4a | 427 | } |
Racer01014 | 0:5e35c180ed4a | 428 | break; |
Racer01014 | 0:5e35c180ed4a | 429 | case WRITE10: |
Racer01014 | 0:5e35c180ed4a | 430 | case WRITE12: |
Racer01014 | 0:5e35c180ed4a | 431 | if (infoTransfer()) { |
Racer01014 | 0:5e35c180ed4a | 432 | if (!(cbw.Flags & 0x80)) { |
Racer01014 | 0:5e35c180ed4a | 433 | stage = PROCESS_CBW; |
Racer01014 | 0:5e35c180ed4a | 434 | } else { |
Racer01014 | 0:5e35c180ed4a | 435 | stallEndpoint(EPBULK_IN); |
Racer01014 | 0:5e35c180ed4a | 436 | csw.Status = CSW_ERROR; |
Racer01014 | 0:5e35c180ed4a | 437 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 438 | } |
Racer01014 | 0:5e35c180ed4a | 439 | } |
Racer01014 | 0:5e35c180ed4a | 440 | break; |
Racer01014 | 0:5e35c180ed4a | 441 | case VERIFY10: |
Racer01014 | 0:5e35c180ed4a | 442 | if (!(cbw.CB[1] & 0x02)) { |
Racer01014 | 0:5e35c180ed4a | 443 | csw.Status = CSW_PASSED; |
Racer01014 | 0:5e35c180ed4a | 444 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 445 | break; |
Racer01014 | 0:5e35c180ed4a | 446 | } |
Racer01014 | 0:5e35c180ed4a | 447 | if (infoTransfer()) { |
Racer01014 | 0:5e35c180ed4a | 448 | if (!(cbw.Flags & 0x80)) { |
Racer01014 | 0:5e35c180ed4a | 449 | stage = PROCESS_CBW; |
Racer01014 | 0:5e35c180ed4a | 450 | memOK = true; |
Racer01014 | 0:5e35c180ed4a | 451 | } else { |
Racer01014 | 0:5e35c180ed4a | 452 | stallEndpoint(EPBULK_IN); |
Racer01014 | 0:5e35c180ed4a | 453 | csw.Status = CSW_ERROR; |
Racer01014 | 0:5e35c180ed4a | 454 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 455 | } |
Racer01014 | 0:5e35c180ed4a | 456 | } |
Racer01014 | 0:5e35c180ed4a | 457 | break; |
Racer01014 | 0:5e35c180ed4a | 458 | case MEDIA_REMOVAL: |
Racer01014 | 0:5e35c180ed4a | 459 | csw.Status = CSW_PASSED; |
Racer01014 | 0:5e35c180ed4a | 460 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 461 | break; |
Racer01014 | 0:5e35c180ed4a | 462 | default: |
Racer01014 | 0:5e35c180ed4a | 463 | fail(); |
Racer01014 | 0:5e35c180ed4a | 464 | break; |
Racer01014 | 0:5e35c180ed4a | 465 | } |
Racer01014 | 0:5e35c180ed4a | 466 | } |
Racer01014 | 0:5e35c180ed4a | 467 | } |
Racer01014 | 0:5e35c180ed4a | 468 | } |
Racer01014 | 0:5e35c180ed4a | 469 | } |
Racer01014 | 0:5e35c180ed4a | 470 | |
Racer01014 | 0:5e35c180ed4a | 471 | void USBMSD::testUnitReady (void) { |
Racer01014 | 0:5e35c180ed4a | 472 | |
Racer01014 | 0:5e35c180ed4a | 473 | if (cbw.DataLength != 0) { |
Racer01014 | 0:5e35c180ed4a | 474 | if ((cbw.Flags & 0x80) != 0) { |
Racer01014 | 0:5e35c180ed4a | 475 | stallEndpoint(EPBULK_IN); |
Racer01014 | 0:5e35c180ed4a | 476 | } else { |
Racer01014 | 0:5e35c180ed4a | 477 | stallEndpoint(EPBULK_OUT); |
Racer01014 | 0:5e35c180ed4a | 478 | } |
Racer01014 | 0:5e35c180ed4a | 479 | } |
Racer01014 | 0:5e35c180ed4a | 480 | |
Racer01014 | 0:5e35c180ed4a | 481 | csw.Status = CSW_PASSED; |
Racer01014 | 0:5e35c180ed4a | 482 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 483 | } |
Racer01014 | 0:5e35c180ed4a | 484 | |
Racer01014 | 0:5e35c180ed4a | 485 | |
Racer01014 | 0:5e35c180ed4a | 486 | void USBMSD::memoryRead (void) { |
Racer01014 | 0:5e35c180ed4a | 487 | uint32_t n; |
Racer01014 | 0:5e35c180ed4a | 488 | |
Racer01014 | 0:5e35c180ed4a | 489 | n = (length > MAX_PACKET) ? MAX_PACKET : length; |
Racer01014 | 0:5e35c180ed4a | 490 | |
Racer01014 | 0:5e35c180ed4a | 491 | if ((addr + n) > MemorySize) { |
Racer01014 | 0:5e35c180ed4a | 492 | n = MemorySize - addr; |
Racer01014 | 0:5e35c180ed4a | 493 | stage = ERROR; |
Racer01014 | 0:5e35c180ed4a | 494 | } |
Racer01014 | 0:5e35c180ed4a | 495 | |
Racer01014 | 0:5e35c180ed4a | 496 | // we read an entire block |
Racer01014 | 0:5e35c180ed4a | 497 | if (!(addr%BlockSize)) |
Racer01014 | 0:5e35c180ed4a | 498 | disk_read(page, addr/BlockSize); |
Racer01014 | 0:5e35c180ed4a | 499 | |
Racer01014 | 0:5e35c180ed4a | 500 | // write data which are in RAM |
Racer01014 | 0:5e35c180ed4a | 501 | writeNB(EPBULK_IN, &page[addr%BlockSize], n, MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 502 | |
Racer01014 | 0:5e35c180ed4a | 503 | addr += n; |
Racer01014 | 0:5e35c180ed4a | 504 | length -= n; |
Racer01014 | 0:5e35c180ed4a | 505 | |
Racer01014 | 0:5e35c180ed4a | 506 | csw.DataResidue -= n; |
Racer01014 | 0:5e35c180ed4a | 507 | |
Racer01014 | 0:5e35c180ed4a | 508 | if ( !length || (stage != PROCESS_CBW)) { |
Racer01014 | 0:5e35c180ed4a | 509 | csw.Status = (stage == PROCESS_CBW) ? CSW_PASSED : CSW_FAILED; |
Racer01014 | 0:5e35c180ed4a | 510 | stage = (stage == PROCESS_CBW) ? SEND_CSW : stage; |
Racer01014 | 0:5e35c180ed4a | 511 | } |
Racer01014 | 0:5e35c180ed4a | 512 | } |
Racer01014 | 0:5e35c180ed4a | 513 | |
Racer01014 | 0:5e35c180ed4a | 514 | |
Racer01014 | 0:5e35c180ed4a | 515 | bool USBMSD::infoTransfer (void) { |
Racer01014 | 0:5e35c180ed4a | 516 | uint32_t n; |
Racer01014 | 0:5e35c180ed4a | 517 | |
Racer01014 | 0:5e35c180ed4a | 518 | // Logical Block Address of First Block |
Racer01014 | 0:5e35c180ed4a | 519 | n = (cbw.CB[2] << 24) | (cbw.CB[3] << 16) | (cbw.CB[4] << 8) | (cbw.CB[5] << 0); |
Racer01014 | 0:5e35c180ed4a | 520 | |
Racer01014 | 0:5e35c180ed4a | 521 | addr = n * BlockSize; |
Racer01014 | 0:5e35c180ed4a | 522 | |
Racer01014 | 0:5e35c180ed4a | 523 | // Number of Blocks to transfer |
Racer01014 | 0:5e35c180ed4a | 524 | switch (cbw.CB[0]) { |
Racer01014 | 0:5e35c180ed4a | 525 | case READ10: |
Racer01014 | 0:5e35c180ed4a | 526 | case WRITE10: |
Racer01014 | 0:5e35c180ed4a | 527 | case VERIFY10: |
Racer01014 | 0:5e35c180ed4a | 528 | n = (cbw.CB[7] << 8) | (cbw.CB[8] << 0); |
Racer01014 | 0:5e35c180ed4a | 529 | break; |
Racer01014 | 0:5e35c180ed4a | 530 | |
Racer01014 | 0:5e35c180ed4a | 531 | case READ12: |
Racer01014 | 0:5e35c180ed4a | 532 | case WRITE12: |
Racer01014 | 0:5e35c180ed4a | 533 | n = (cbw.CB[6] << 24) | (cbw.CB[7] << 16) | (cbw.CB[8] << 8) | (cbw.CB[9] << 0); |
Racer01014 | 0:5e35c180ed4a | 534 | break; |
Racer01014 | 0:5e35c180ed4a | 535 | } |
Racer01014 | 0:5e35c180ed4a | 536 | |
Racer01014 | 0:5e35c180ed4a | 537 | length = n * BlockSize; |
Racer01014 | 0:5e35c180ed4a | 538 | |
Racer01014 | 0:5e35c180ed4a | 539 | if (!cbw.DataLength) { // host requests no data |
Racer01014 | 0:5e35c180ed4a | 540 | csw.Status = CSW_FAILED; |
Racer01014 | 0:5e35c180ed4a | 541 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 542 | return false; |
Racer01014 | 0:5e35c180ed4a | 543 | } |
Racer01014 | 0:5e35c180ed4a | 544 | |
Racer01014 | 0:5e35c180ed4a | 545 | if (cbw.DataLength != length) { |
Racer01014 | 0:5e35c180ed4a | 546 | if ((cbw.Flags & 0x80) != 0) { |
Racer01014 | 0:5e35c180ed4a | 547 | stallEndpoint(EPBULK_IN); |
Racer01014 | 0:5e35c180ed4a | 548 | } else { |
Racer01014 | 0:5e35c180ed4a | 549 | stallEndpoint(EPBULK_OUT); |
Racer01014 | 0:5e35c180ed4a | 550 | } |
Racer01014 | 0:5e35c180ed4a | 551 | |
Racer01014 | 0:5e35c180ed4a | 552 | csw.Status = CSW_FAILED; |
Racer01014 | 0:5e35c180ed4a | 553 | sendCSW(); |
Racer01014 | 0:5e35c180ed4a | 554 | return false; |
Racer01014 | 0:5e35c180ed4a | 555 | } |
Racer01014 | 0:5e35c180ed4a | 556 | |
Racer01014 | 0:5e35c180ed4a | 557 | return true; |
Racer01014 | 0:5e35c180ed4a | 558 | } |
Racer01014 | 0:5e35c180ed4a | 559 | |
Racer01014 | 0:5e35c180ed4a | 560 | |
Racer01014 | 0:5e35c180ed4a | 561 | |
Racer01014 | 0:5e35c180ed4a | 562 | |
Racer01014 | 0:5e35c180ed4a | 563 | |
Racer01014 | 0:5e35c180ed4a | 564 | // Called in ISR context |
Racer01014 | 0:5e35c180ed4a | 565 | // Set configuration. Return false if the |
Racer01014 | 0:5e35c180ed4a | 566 | // configuration is not supported. |
Racer01014 | 0:5e35c180ed4a | 567 | bool USBMSD::USBCallback_setConfiguration(uint8_t configuration) { |
Racer01014 | 0:5e35c180ed4a | 568 | if (configuration != DEFAULT_CONFIGURATION) { |
Racer01014 | 0:5e35c180ed4a | 569 | return false; |
Racer01014 | 0:5e35c180ed4a | 570 | } |
Racer01014 | 0:5e35c180ed4a | 571 | |
Racer01014 | 0:5e35c180ed4a | 572 | // Configure endpoints > 0 |
Racer01014 | 0:5e35c180ed4a | 573 | addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 574 | addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 575 | |
Racer01014 | 0:5e35c180ed4a | 576 | //activate readings |
Racer01014 | 0:5e35c180ed4a | 577 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
Racer01014 | 0:5e35c180ed4a | 578 | return true; |
Racer01014 | 0:5e35c180ed4a | 579 | } |
Racer01014 | 0:5e35c180ed4a | 580 | |
Racer01014 | 0:5e35c180ed4a | 581 | |
Racer01014 | 0:5e35c180ed4a | 582 | uint8_t * USBMSD::stringIinterfaceDesc() { |
Racer01014 | 0:5e35c180ed4a | 583 | static uint8_t stringIinterfaceDescriptor[] = { |
Racer01014 | 0:5e35c180ed4a | 584 | 0x08, //bLength |
Racer01014 | 0:5e35c180ed4a | 585 | STRING_DESCRIPTOR, //bDescriptorType 0x03 |
Racer01014 | 0:5e35c180ed4a | 586 | 'M',0,'S',0,'D',0 //bString iInterface - MSD |
Racer01014 | 0:5e35c180ed4a | 587 | }; |
Racer01014 | 0:5e35c180ed4a | 588 | return stringIinterfaceDescriptor; |
Racer01014 | 0:5e35c180ed4a | 589 | } |
Racer01014 | 0:5e35c180ed4a | 590 | |
Racer01014 | 0:5e35c180ed4a | 591 | uint8_t * USBMSD::stringIproductDesc() { |
Racer01014 | 0:5e35c180ed4a | 592 | static uint8_t stringIproductDescriptor[] = { |
Racer01014 | 0:5e35c180ed4a | 593 | 0x12, //bLength |
Racer01014 | 0:5e35c180ed4a | 594 | STRING_DESCRIPTOR, //bDescriptorType 0x03 |
Racer01014 | 0:5e35c180ed4a | 595 | 'M',0,'b',0,'e',0,'d',0,' ',0,'M',0,'S',0,'D',0 //bString iProduct - Mbed Audio |
Racer01014 | 0:5e35c180ed4a | 596 | }; |
Racer01014 | 0:5e35c180ed4a | 597 | return stringIproductDescriptor; |
Racer01014 | 0:5e35c180ed4a | 598 | } |
Racer01014 | 0:5e35c180ed4a | 599 | |
Racer01014 | 0:5e35c180ed4a | 600 | |
Racer01014 | 0:5e35c180ed4a | 601 | uint8_t * USBMSD::configurationDesc() { |
Racer01014 | 0:5e35c180ed4a | 602 | static uint8_t configDescriptor[] = { |
Racer01014 | 0:5e35c180ed4a | 603 | |
Racer01014 | 0:5e35c180ed4a | 604 | // Configuration 1 |
Racer01014 | 0:5e35c180ed4a | 605 | 9, // bLength |
Racer01014 | 0:5e35c180ed4a | 606 | 2, // bDescriptorType |
Racer01014 | 0:5e35c180ed4a | 607 | LSB(9 + 9 + 7 + 7), // wTotalLength |
Racer01014 | 0:5e35c180ed4a | 608 | MSB(9 + 9 + 7 + 7), |
Racer01014 | 0:5e35c180ed4a | 609 | 0x01, // bNumInterfaces |
Racer01014 | 0:5e35c180ed4a | 610 | 0x01, // bConfigurationValue: 0x01 is used to select this configuration |
Racer01014 | 0:5e35c180ed4a | 611 | 0x00, // iConfiguration: no string to describe this configuration |
Racer01014 | 0:5e35c180ed4a | 612 | 0xC0, // bmAttributes |
Racer01014 | 0:5e35c180ed4a | 613 | 100, // bMaxPower, device power consumption is 100 mA |
Racer01014 | 0:5e35c180ed4a | 614 | |
Racer01014 | 0:5e35c180ed4a | 615 | // Interface 0, Alternate Setting 0, MSC Class |
Racer01014 | 0:5e35c180ed4a | 616 | 9, // bLength |
Racer01014 | 0:5e35c180ed4a | 617 | 4, // bDescriptorType |
Racer01014 | 0:5e35c180ed4a | 618 | 0x00, // bInterfaceNumber |
Racer01014 | 0:5e35c180ed4a | 619 | 0x00, // bAlternateSetting |
Racer01014 | 0:5e35c180ed4a | 620 | 0x02, // bNumEndpoints |
Racer01014 | 0:5e35c180ed4a | 621 | 0x08, // bInterfaceClass |
Racer01014 | 0:5e35c180ed4a | 622 | 0x06, // bInterfaceSubClass |
Racer01014 | 0:5e35c180ed4a | 623 | 0x50, // bInterfaceProtocol |
Racer01014 | 0:5e35c180ed4a | 624 | 0x04, // iInterface |
Racer01014 | 0:5e35c180ed4a | 625 | |
Racer01014 | 0:5e35c180ed4a | 626 | // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 |
Racer01014 | 0:5e35c180ed4a | 627 | 7, // bLength |
Racer01014 | 0:5e35c180ed4a | 628 | 5, // bDescriptorType |
Racer01014 | 0:5e35c180ed4a | 629 | PHY_TO_DESC(EPBULK_IN), // bEndpointAddress |
Racer01014 | 0:5e35c180ed4a | 630 | 0x02, // bmAttributes (0x02=bulk) |
Racer01014 | 0:5e35c180ed4a | 631 | LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) |
Racer01014 | 0:5e35c180ed4a | 632 | MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) |
Racer01014 | 0:5e35c180ed4a | 633 | 0, // bInterval |
Racer01014 | 0:5e35c180ed4a | 634 | |
Racer01014 | 0:5e35c180ed4a | 635 | // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 |
Racer01014 | 0:5e35c180ed4a | 636 | 7, // bLength |
Racer01014 | 0:5e35c180ed4a | 637 | 5, // bDescriptorType |
Racer01014 | 0:5e35c180ed4a | 638 | PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress |
Racer01014 | 0:5e35c180ed4a | 639 | 0x02, // bmAttributes (0x02=bulk) |
Racer01014 | 0:5e35c180ed4a | 640 | LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) |
Racer01014 | 0:5e35c180ed4a | 641 | MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) |
Racer01014 | 0:5e35c180ed4a | 642 | 0 // bInterval |
Racer01014 | 0:5e35c180ed4a | 643 | }; |
Racer01014 | 0:5e35c180ed4a | 644 | return configDescriptor; |
Racer01014 | 0:5e35c180ed4a | 645 | } |