USB device library for Xadow M0
Dependents: xadow_m0_accelerometer xadow_m0_ada_gps xadow_m0_SD_Hello Xadow_SC16IS750_Test ... more
Fork of USBDevice by
USBSerial/USBCDC.cpp@8:335f2506f422, 2013-03-01 (annotated)
- Committer:
- samux
- Date:
- Fri Mar 01 13:10:29 2013 +0000
- Revision:
- 8:335f2506f422
- Parent:
- 6:d0945750af57
- Child:
- 11:eeb3cbbaa996
add FRDM-KL25Z support
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
samux | 1:80ab0d068708 | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
samux | 1:80ab0d068708 | 2 | * |
samux | 1:80ab0d068708 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
samux | 1:80ab0d068708 | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
samux | 1:80ab0d068708 | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
samux | 1:80ab0d068708 | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
samux | 1:80ab0d068708 | 7 | * Software is furnished to do so, subject to the following conditions: |
samux | 1:80ab0d068708 | 8 | * |
samux | 1:80ab0d068708 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
samux | 1:80ab0d068708 | 10 | * substantial portions of the Software. |
samux | 1:80ab0d068708 | 11 | * |
samux | 1:80ab0d068708 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
samux | 1:80ab0d068708 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
samux | 1:80ab0d068708 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
samux | 1:80ab0d068708 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
samux | 1:80ab0d068708 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
samux | 1:80ab0d068708 | 17 | */ |
samux | 1:80ab0d068708 | 18 | |
samux | 1:80ab0d068708 | 19 | #include "stdint.h" |
samux | 1:80ab0d068708 | 20 | #include "USBCDC.h" |
samux | 1:80ab0d068708 | 21 | |
samux | 1:80ab0d068708 | 22 | static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08}; |
samux | 1:80ab0d068708 | 23 | |
samux | 1:80ab0d068708 | 24 | #define DEFAULT_CONFIGURATION (1) |
samux | 1:80ab0d068708 | 25 | |
samux | 1:80ab0d068708 | 26 | #define CDC_SET_LINE_CODING 0x20 |
samux | 1:80ab0d068708 | 27 | #define CDC_GET_LINE_CODING 0x21 |
samux | 1:80ab0d068708 | 28 | #define CDC_SET_CONTROL_LINE_STATE 0x22 |
samux | 1:80ab0d068708 | 29 | |
samux | 1:80ab0d068708 | 30 | #define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK |
samux | 1:80ab0d068708 | 31 | |
samux | 1:80ab0d068708 | 32 | USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { |
samux | 6:d0945750af57 | 33 | terminal_connected = false; |
samux | 1:80ab0d068708 | 34 | USBDevice::connect(); |
samux | 1:80ab0d068708 | 35 | } |
samux | 1:80ab0d068708 | 36 | |
samux | 1:80ab0d068708 | 37 | bool USBCDC::USBCallback_request(void) { |
samux | 1:80ab0d068708 | 38 | /* Called in ISR context */ |
samux | 1:80ab0d068708 | 39 | |
samux | 1:80ab0d068708 | 40 | bool success = false; |
samux | 1:80ab0d068708 | 41 | CONTROL_TRANSFER * transfer = getTransferPtr(); |
samux | 1:80ab0d068708 | 42 | |
samux | 1:80ab0d068708 | 43 | /* Process class-specific requests */ |
samux | 1:80ab0d068708 | 44 | |
samux | 1:80ab0d068708 | 45 | if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { |
samux | 1:80ab0d068708 | 46 | switch (transfer->setup.bRequest) { |
samux | 1:80ab0d068708 | 47 | case CDC_GET_LINE_CODING: |
samux | 1:80ab0d068708 | 48 | transfer->remaining = 7; |
samux | 1:80ab0d068708 | 49 | transfer->ptr = cdc_line_coding; |
samux | 1:80ab0d068708 | 50 | transfer->direction = DEVICE_TO_HOST; |
samux | 1:80ab0d068708 | 51 | success = true; |
samux | 1:80ab0d068708 | 52 | break; |
samux | 1:80ab0d068708 | 53 | case CDC_SET_LINE_CODING: |
samux | 1:80ab0d068708 | 54 | transfer->remaining = 7; |
samux | 1:80ab0d068708 | 55 | success = true; |
samux | 6:d0945750af57 | 56 | terminal_connected = true; |
samux | 1:80ab0d068708 | 57 | break; |
samux | 1:80ab0d068708 | 58 | case CDC_SET_CONTROL_LINE_STATE: |
samux | 8:335f2506f422 | 59 | terminal_connected = false; |
samux | 1:80ab0d068708 | 60 | success = true; |
samux | 1:80ab0d068708 | 61 | break; |
samux | 1:80ab0d068708 | 62 | default: |
samux | 1:80ab0d068708 | 63 | break; |
samux | 1:80ab0d068708 | 64 | } |
samux | 1:80ab0d068708 | 65 | } |
samux | 1:80ab0d068708 | 66 | |
samux | 1:80ab0d068708 | 67 | return success; |
samux | 1:80ab0d068708 | 68 | } |
samux | 1:80ab0d068708 | 69 | |
samux | 1:80ab0d068708 | 70 | |
samux | 1:80ab0d068708 | 71 | // Called in ISR context |
samux | 1:80ab0d068708 | 72 | // Set configuration. Return false if the |
samux | 1:80ab0d068708 | 73 | // configuration is not supported. |
samux | 1:80ab0d068708 | 74 | bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) { |
samux | 1:80ab0d068708 | 75 | if (configuration != DEFAULT_CONFIGURATION) { |
samux | 1:80ab0d068708 | 76 | return false; |
samux | 1:80ab0d068708 | 77 | } |
samux | 1:80ab0d068708 | 78 | |
samux | 1:80ab0d068708 | 79 | // Configure endpoints > 0 |
samux | 1:80ab0d068708 | 80 | addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); |
samux | 1:80ab0d068708 | 81 | addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 82 | addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 83 | |
samux | 1:80ab0d068708 | 84 | // We activate the endpoint to be able to recceive data |
samux | 1:80ab0d068708 | 85 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
samux | 1:80ab0d068708 | 86 | return true; |
samux | 1:80ab0d068708 | 87 | } |
samux | 1:80ab0d068708 | 88 | |
samux | 1:80ab0d068708 | 89 | bool USBCDC::send(uint8_t * buffer, uint32_t size) { |
samux | 1:80ab0d068708 | 90 | return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE); |
samux | 1:80ab0d068708 | 91 | } |
samux | 1:80ab0d068708 | 92 | |
samux | 1:80ab0d068708 | 93 | bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) { |
samux | 1:80ab0d068708 | 94 | if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) |
samux | 1:80ab0d068708 | 95 | return false; |
samux | 1:80ab0d068708 | 96 | if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) |
samux | 1:80ab0d068708 | 97 | return false; |
samux | 1:80ab0d068708 | 98 | return true; |
samux | 1:80ab0d068708 | 99 | } |
samux | 1:80ab0d068708 | 100 | |
samux | 1:80ab0d068708 | 101 | bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) { |
samux | 1:80ab0d068708 | 102 | if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) |
samux | 1:80ab0d068708 | 103 | return false; |
samux | 1:80ab0d068708 | 104 | if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) |
samux | 1:80ab0d068708 | 105 | return false; |
samux | 1:80ab0d068708 | 106 | return true; |
samux | 1:80ab0d068708 | 107 | } |
samux | 1:80ab0d068708 | 108 | |
samux | 1:80ab0d068708 | 109 | |
samux | 1:80ab0d068708 | 110 | uint8_t * USBCDC::deviceDesc() { |
samux | 1:80ab0d068708 | 111 | static uint8_t deviceDescriptor[] = { |
samux | 1:80ab0d068708 | 112 | 18, // bLength |
samux | 1:80ab0d068708 | 113 | 1, // bDescriptorType |
samux | 1:80ab0d068708 | 114 | 0x10, 0x01, // bcdUSB |
samux | 1:80ab0d068708 | 115 | 2, // bDeviceClass |
samux | 1:80ab0d068708 | 116 | 0, // bDeviceSubClass |
samux | 1:80ab0d068708 | 117 | 0, // bDeviceProtocol |
samux | 1:80ab0d068708 | 118 | MAX_PACKET_SIZE_EP0, // bMaxPacketSize0 |
samux | 1:80ab0d068708 | 119 | LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor |
samux | 1:80ab0d068708 | 120 | LSB(PRODUCT_ID), MSB(PRODUCT_ID),// idProduct |
samux | 1:80ab0d068708 | 121 | 0x00, 0x01, // bcdDevice |
samux | 1:80ab0d068708 | 122 | 1, // iManufacturer |
samux | 1:80ab0d068708 | 123 | 2, // iProduct |
samux | 1:80ab0d068708 | 124 | 3, // iSerialNumber |
samux | 1:80ab0d068708 | 125 | 1 // bNumConfigurations |
samux | 1:80ab0d068708 | 126 | }; |
samux | 1:80ab0d068708 | 127 | return deviceDescriptor; |
samux | 1:80ab0d068708 | 128 | } |
samux | 1:80ab0d068708 | 129 | |
samux | 1:80ab0d068708 | 130 | uint8_t * USBCDC::stringIinterfaceDesc() { |
samux | 1:80ab0d068708 | 131 | static uint8_t stringIinterfaceDescriptor[] = { |
samux | 1:80ab0d068708 | 132 | 0x08, |
samux | 1:80ab0d068708 | 133 | STRING_DESCRIPTOR, |
samux | 1:80ab0d068708 | 134 | 'C',0,'D',0,'C',0, |
samux | 1:80ab0d068708 | 135 | }; |
samux | 1:80ab0d068708 | 136 | return stringIinterfaceDescriptor; |
samux | 1:80ab0d068708 | 137 | } |
samux | 1:80ab0d068708 | 138 | |
samux | 1:80ab0d068708 | 139 | uint8_t * USBCDC::stringIproductDesc() { |
samux | 1:80ab0d068708 | 140 | static uint8_t stringIproductDescriptor[] = { |
samux | 1:80ab0d068708 | 141 | 0x16, |
samux | 1:80ab0d068708 | 142 | STRING_DESCRIPTOR, |
samux | 1:80ab0d068708 | 143 | 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 |
samux | 1:80ab0d068708 | 144 | }; |
samux | 1:80ab0d068708 | 145 | return stringIproductDescriptor; |
samux | 1:80ab0d068708 | 146 | } |
samux | 1:80ab0d068708 | 147 | |
samux | 1:80ab0d068708 | 148 | |
samux | 8:335f2506f422 | 149 | #define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7) |
samux | 1:80ab0d068708 | 150 | |
samux | 1:80ab0d068708 | 151 | uint8_t * USBCDC::configurationDesc() { |
samux | 1:80ab0d068708 | 152 | static uint8_t configDescriptor[] = { |
samux | 8:335f2506f422 | 153 | // configuration descriptor |
samux | 8:335f2506f422 | 154 | 9, // bLength |
samux | 8:335f2506f422 | 155 | 2, // bDescriptorType |
samux | 1:80ab0d068708 | 156 | LSB(CONFIG1_DESC_SIZE), // wTotalLength |
samux | 1:80ab0d068708 | 157 | MSB(CONFIG1_DESC_SIZE), |
samux | 1:80ab0d068708 | 158 | 2, // bNumInterfaces |
samux | 1:80ab0d068708 | 159 | 1, // bConfigurationValue |
samux | 1:80ab0d068708 | 160 | 0, // iConfiguration |
samux | 1:80ab0d068708 | 161 | 0x80, // bmAttributes |
samux | 1:80ab0d068708 | 162 | 50, // bMaxPower |
samux | 8:335f2506f422 | 163 | |
samux | 8:335f2506f422 | 164 | // IAD to associate the two CDC interfaces |
samux | 8:335f2506f422 | 165 | 0x08, // bLength |
samux | 8:335f2506f422 | 166 | 0x0b, // bDescriptorType |
samux | 8:335f2506f422 | 167 | 0x00, // bFirstInterface |
samux | 8:335f2506f422 | 168 | 0x02, // bInterfaceCount |
samux | 8:335f2506f422 | 169 | 0x02, // bFunctionClass |
samux | 8:335f2506f422 | 170 | 0x02, // bFunctionSubClass |
samux | 8:335f2506f422 | 171 | 0, // bFunctionProtocol |
samux | 8:335f2506f422 | 172 | 0, // iFunction |
samux | 1:80ab0d068708 | 173 | |
samux | 1:80ab0d068708 | 174 | // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 |
samux | 1:80ab0d068708 | 175 | 9, // bLength |
samux | 1:80ab0d068708 | 176 | 4, // bDescriptorType |
samux | 1:80ab0d068708 | 177 | 0, // bInterfaceNumber |
samux | 1:80ab0d068708 | 178 | 0, // bAlternateSetting |
samux | 1:80ab0d068708 | 179 | 1, // bNumEndpoints |
samux | 1:80ab0d068708 | 180 | 0x02, // bInterfaceClass |
samux | 1:80ab0d068708 | 181 | 0x02, // bInterfaceSubClass |
samux | 1:80ab0d068708 | 182 | 0x01, // bInterfaceProtocol |
samux | 1:80ab0d068708 | 183 | 0, // iInterface |
samux | 1:80ab0d068708 | 184 | |
samux | 1:80ab0d068708 | 185 | // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26 |
samux | 1:80ab0d068708 | 186 | 5, // bFunctionLength |
samux | 1:80ab0d068708 | 187 | 0x24, // bDescriptorType |
samux | 1:80ab0d068708 | 188 | 0x00, // bDescriptorSubtype |
samux | 1:80ab0d068708 | 189 | 0x10, 0x01, // bcdCDC |
samux | 1:80ab0d068708 | 190 | |
samux | 1:80ab0d068708 | 191 | // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27 |
samux | 1:80ab0d068708 | 192 | 5, // bFunctionLength |
samux | 1:80ab0d068708 | 193 | 0x24, // bDescriptorType |
samux | 1:80ab0d068708 | 194 | 0x01, // bDescriptorSubtype |
samux | 1:80ab0d068708 | 195 | 0x03, // bmCapabilities |
samux | 1:80ab0d068708 | 196 | 1, // bDataInterface |
samux | 1:80ab0d068708 | 197 | |
samux | 1:80ab0d068708 | 198 | // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28 |
samux | 1:80ab0d068708 | 199 | 4, // bFunctionLength |
samux | 1:80ab0d068708 | 200 | 0x24, // bDescriptorType |
samux | 1:80ab0d068708 | 201 | 0x02, // bDescriptorSubtype |
samux | 1:80ab0d068708 | 202 | 0x06, // bmCapabilities |
samux | 1:80ab0d068708 | 203 | |
samux | 1:80ab0d068708 | 204 | // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33 |
samux | 1:80ab0d068708 | 205 | 5, // bFunctionLength |
samux | 1:80ab0d068708 | 206 | 0x24, // bDescriptorType |
samux | 1:80ab0d068708 | 207 | 0x06, // bDescriptorSubtype |
samux | 1:80ab0d068708 | 208 | 0, // bMasterInterface |
samux | 1:80ab0d068708 | 209 | 1, // bSlaveInterface0 |
samux | 1:80ab0d068708 | 210 | |
samux | 1:80ab0d068708 | 211 | // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 |
samux | 1:80ab0d068708 | 212 | ENDPOINT_DESCRIPTOR_LENGTH, // bLength |
samux | 1:80ab0d068708 | 213 | ENDPOINT_DESCRIPTOR, // bDescriptorType |
samux | 1:80ab0d068708 | 214 | PHY_TO_DESC(EPINT_IN), // bEndpointAddress |
samux | 1:80ab0d068708 | 215 | E_INTERRUPT, // bmAttributes (0x03=intr) |
samux | 1:80ab0d068708 | 216 | LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) |
samux | 1:80ab0d068708 | 217 | MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) |
samux | 1:80ab0d068708 | 218 | 16, // bInterval |
samux | 1:80ab0d068708 | 219 | |
samux | 1:80ab0d068708 | 220 | |
samux | 1:80ab0d068708 | 221 | |
samux | 1:80ab0d068708 | 222 | |
samux | 1:80ab0d068708 | 223 | // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 |
samux | 8:335f2506f422 | 224 | 9, // bLength |
samux | 8:335f2506f422 | 225 | 4, // bDescriptorType |
samux | 8:335f2506f422 | 226 | 1, // bInterfaceNumber |
samux | 8:335f2506f422 | 227 | 0, // bAlternateSetting |
samux | 8:335f2506f422 | 228 | 2, // bNumEndpoints |
samux | 8:335f2506f422 | 229 | 0x0A, // bInterfaceClass |
samux | 8:335f2506f422 | 230 | 0x00, // bInterfaceSubClass |
samux | 8:335f2506f422 | 231 | 0x00, // bInterfaceProtocol |
samux | 8:335f2506f422 | 232 | 0, // iInterface |
samux | 1:80ab0d068708 | 233 | |
samux | 1:80ab0d068708 | 234 | // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 |
samux | 8:335f2506f422 | 235 | ENDPOINT_DESCRIPTOR_LENGTH, // bLength |
samux | 8:335f2506f422 | 236 | ENDPOINT_DESCRIPTOR, // bDescriptorType |
samux | 8:335f2506f422 | 237 | PHY_TO_DESC(EPBULK_IN), // bEndpointAddress |
samux | 8:335f2506f422 | 238 | E_BULK, // bmAttributes (0x02=bulk) |
samux | 8:335f2506f422 | 239 | LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) |
samux | 8:335f2506f422 | 240 | MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) |
samux | 8:335f2506f422 | 241 | 0, // bInterval |
samux | 1:80ab0d068708 | 242 | |
samux | 1:80ab0d068708 | 243 | // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 |
samux | 8:335f2506f422 | 244 | ENDPOINT_DESCRIPTOR_LENGTH, // bLength |
samux | 8:335f2506f422 | 245 | ENDPOINT_DESCRIPTOR, // bDescriptorType |
samux | 8:335f2506f422 | 246 | PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress |
samux | 8:335f2506f422 | 247 | E_BULK, // bmAttributes (0x02=bulk) |
samux | 8:335f2506f422 | 248 | LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) |
samux | 8:335f2506f422 | 249 | MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) |
samux | 8:335f2506f422 | 250 | 0 // bInterval |
samux | 1:80ab0d068708 | 251 | }; |
samux | 1:80ab0d068708 | 252 | return configDescriptor; |
samux | 1:80ab0d068708 | 253 | } |