Piotr Woźniak / Mbed 2 deprecated KL46Z-Lab2_fullll

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Dependencies:   MAG3110 MMA8451Q SLCD- TSI USBDevice mbed

USBDevice/USBSerial/USBCDC.cpp@0:339b7abfa147, 2014-04-16 (annotated)

Committer:
Osator
Date:
Wed Apr 16 12:20:00 2014 +0000
Revision:
0:339b7abfa147
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
Osator 0:339b7abfa147 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
Osator 0:339b7abfa147 2 *
Osator 0:339b7abfa147 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Osator 0:339b7abfa147 4 * and associated documentation files (the "Software"), to deal in the Software without
Osator 0:339b7abfa147 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
Osator 0:339b7abfa147 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
Osator 0:339b7abfa147 7 * Software is furnished to do so, subject to the following conditions:
Osator 0:339b7abfa147 8 *
Osator 0:339b7abfa147 9 * The above copyright notice and this permission notice shall be included in all copies or
Osator 0:339b7abfa147 10 * substantial portions of the Software.
Osator 0:339b7abfa147 11 *
Osator 0:339b7abfa147 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Osator 0:339b7abfa147 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Osator 0:339b7abfa147 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Osator 0:339b7abfa147 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Osator 0:339b7abfa147 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Osator 0:339b7abfa147 17 */
Osator 0:339b7abfa147 18
Osator 0:339b7abfa147 19 #include "stdint.h"
Osator 0:339b7abfa147 20 #include "USBCDC.h"
Osator 0:339b7abfa147 21
Osator 0:339b7abfa147 22 static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08};
Osator 0:339b7abfa147 23
Osator 0:339b7abfa147 24 #define DEFAULT_CONFIGURATION (1)
Osator 0:339b7abfa147 25
Osator 0:339b7abfa147 26 #define CDC_SET_LINE_CODING 0x20
Osator 0:339b7abfa147 27 #define CDC_GET_LINE_CODING 0x21
Osator 0:339b7abfa147 28 #define CDC_SET_CONTROL_LINE_STATE 0x22
Osator 0:339b7abfa147 29
Osator 0:339b7abfa147 30 #define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK
Osator 0:339b7abfa147 31
Osator 0:339b7abfa147 32 USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect_blocking): USBDevice(vendor_id, product_id, product_release) {
Osator 0:339b7abfa147 33 terminal_connected = false;
Osator 0:339b7abfa147 34 USBDevice::connect(connect_blocking);
Osator 0:339b7abfa147 35 }
Osator 0:339b7abfa147 36
Osator 0:339b7abfa147 37 bool USBCDC::USBCallback_request(void) {
Osator 0:339b7abfa147 38 /* Called in ISR context */
Osator 0:339b7abfa147 39
Osator 0:339b7abfa147 40 bool success = false;
Osator 0:339b7abfa147 41 CONTROL_TRANSFER * transfer = getTransferPtr();
Osator 0:339b7abfa147 42
Osator 0:339b7abfa147 43 /* Process class-specific requests */
Osator 0:339b7abfa147 44
Osator 0:339b7abfa147 45 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
Osator 0:339b7abfa147 46 switch (transfer->setup.bRequest) {
Osator 0:339b7abfa147 47 case CDC_GET_LINE_CODING:
Osator 0:339b7abfa147 48 transfer->remaining = 7;
Osator 0:339b7abfa147 49 transfer->ptr = cdc_line_coding;
Osator 0:339b7abfa147 50 transfer->direction = DEVICE_TO_HOST;
Osator 0:339b7abfa147 51 success = true;
Osator 0:339b7abfa147 52 break;
Osator 0:339b7abfa147 53 case CDC_SET_LINE_CODING:
Osator 0:339b7abfa147 54 transfer->remaining = 7;
Osator 0:339b7abfa147 55 transfer->notify = true;
Osator 0:339b7abfa147 56 success = true;
Osator 0:339b7abfa147 57 terminal_connected = true;
Osator 0:339b7abfa147 58 break;
Osator 0:339b7abfa147 59 case CDC_SET_CONTROL_LINE_STATE:
Osator 0:339b7abfa147 60 terminal_connected = false;
Osator 0:339b7abfa147 61 success = true;
Osator 0:339b7abfa147 62 break;
Osator 0:339b7abfa147 63 default:
Osator 0:339b7abfa147 64 break;
Osator 0:339b7abfa147 65 }
Osator 0:339b7abfa147 66 }
Osator 0:339b7abfa147 67
Osator 0:339b7abfa147 68 return success;
Osator 0:339b7abfa147 69 }
Osator 0:339b7abfa147 70
Osator 0:339b7abfa147 71 void USBCDC::USBCallback_requestCompleted(uint8_t *buf, uint32_t length) {
Osator 0:339b7abfa147 72 // Request of setting line coding has 7 bytes
Osator 0:339b7abfa147 73 if (length != 7) {
Osator 0:339b7abfa147 74 return;
Osator 0:339b7abfa147 75 }
Osator 0:339b7abfa147 76
Osator 0:339b7abfa147 77 CONTROL_TRANSFER * transfer = getTransferPtr();
Osator 0:339b7abfa147 78
Osator 0:339b7abfa147 79 /* Process class-specific requests */
Osator 0:339b7abfa147 80 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
Osator 0:339b7abfa147 81 if (transfer->setup.bRequest == CDC_SET_LINE_CODING) {
Osator 0:339b7abfa147 82 if (memcmp(cdc_line_coding, buf, 7)) {
Osator 0:339b7abfa147 83 memcpy(cdc_line_coding, buf, 7);
Osator 0:339b7abfa147 84
Osator 0:339b7abfa147 85 int baud = buf[0] + (buf[1] << 8)
Osator 0:339b7abfa147 86 + (buf[2] << 16) + (buf[3] << 24);
Osator 0:339b7abfa147 87 int stop = buf[4];
Osator 0:339b7abfa147 88 int bits = buf[6];
Osator 0:339b7abfa147 89 int parity = buf[5];
Osator 0:339b7abfa147 90
Osator 0:339b7abfa147 91 lineCodingChanged(baud, bits, parity, stop);
Osator 0:339b7abfa147 92 }
Osator 0:339b7abfa147 93 }
Osator 0:339b7abfa147 94 }
Osator 0:339b7abfa147 95 }
Osator 0:339b7abfa147 96
Osator 0:339b7abfa147 97 // Called in ISR context
Osator 0:339b7abfa147 98 // Set configuration. Return false if the
Osator 0:339b7abfa147 99 // configuration is not supported.
Osator 0:339b7abfa147 100 bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) {
Osator 0:339b7abfa147 101 if (configuration != DEFAULT_CONFIGURATION) {
Osator 0:339b7abfa147 102 return false;
Osator 0:339b7abfa147 103 }
Osator 0:339b7abfa147 104
Osator 0:339b7abfa147 105 // Configure endpoints > 0
Osator 0:339b7abfa147 106 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
Osator 0:339b7abfa147 107 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
Osator 0:339b7abfa147 108 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
Osator 0:339b7abfa147 109
Osator 0:339b7abfa147 110 // We activate the endpoint to be able to recceive data
Osator 0:339b7abfa147 111 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
Osator 0:339b7abfa147 112 return true;
Osator 0:339b7abfa147 113 }
Osator 0:339b7abfa147 114
Osator 0:339b7abfa147 115 bool USBCDC::send(uint8_t * buffer, uint32_t size) {
Osator 0:339b7abfa147 116 return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE);
Osator 0:339b7abfa147 117 }
Osator 0:339b7abfa147 118
Osator 0:339b7abfa147 119 bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) {
Osator 0:339b7abfa147 120 if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE))
Osator 0:339b7abfa147 121 return false;
Osator 0:339b7abfa147 122 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))
Osator 0:339b7abfa147 123 return false;
Osator 0:339b7abfa147 124 return true;
Osator 0:339b7abfa147 125 }
Osator 0:339b7abfa147 126
Osator 0:339b7abfa147 127 bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) {
Osator 0:339b7abfa147 128 if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE))
Osator 0:339b7abfa147 129 return false;
Osator 0:339b7abfa147 130 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))
Osator 0:339b7abfa147 131 return false;
Osator 0:339b7abfa147 132 return true;
Osator 0:339b7abfa147 133 }
Osator 0:339b7abfa147 134
Osator 0:339b7abfa147 135
Osator 0:339b7abfa147 136 uint8_t * USBCDC::deviceDesc() {
Osator 0:339b7abfa147 137 static uint8_t deviceDescriptor[] = {
Osator 0:339b7abfa147 138 18, // bLength
Osator 0:339b7abfa147 139 1, // bDescriptorType
Osator 0:339b7abfa147 140 0x10, 0x01, // bcdUSB
Osator 0:339b7abfa147 141 2, // bDeviceClass
Osator 0:339b7abfa147 142 0, // bDeviceSubClass
Osator 0:339b7abfa147 143 0, // bDeviceProtocol
Osator 0:339b7abfa147 144 MAX_PACKET_SIZE_EP0, // bMaxPacketSize0
Osator 0:339b7abfa147 145 (uint8_t)(LSB(VENDOR_ID)), (uint8_t)(MSB(VENDOR_ID)), // idVendor
Osator 0:339b7abfa147 146 (uint8_t)(LSB(PRODUCT_ID)), (uint8_t)(MSB(PRODUCT_ID)),// idProduct
Osator 0:339b7abfa147 147 0x00, 0x01, // bcdDevice
Osator 0:339b7abfa147 148 1, // iManufacturer
Osator 0:339b7abfa147 149 2, // iProduct
Osator 0:339b7abfa147 150 3, // iSerialNumber
Osator 0:339b7abfa147 151 1 // bNumConfigurations
Osator 0:339b7abfa147 152 };
Osator 0:339b7abfa147 153 return deviceDescriptor;
Osator 0:339b7abfa147 154 }
Osator 0:339b7abfa147 155
Osator 0:339b7abfa147 156 uint8_t * USBCDC::stringIinterfaceDesc() {
Osator 0:339b7abfa147 157 static uint8_t stringIinterfaceDescriptor[] = {
Osator 0:339b7abfa147 158 0x08,
Osator 0:339b7abfa147 159 STRING_DESCRIPTOR,
Osator 0:339b7abfa147 160 'C',0,'D',0,'C',0,
Osator 0:339b7abfa147 161 };
Osator 0:339b7abfa147 162 return stringIinterfaceDescriptor;
Osator 0:339b7abfa147 163 }
Osator 0:339b7abfa147 164
Osator 0:339b7abfa147 165 uint8_t * USBCDC::stringIproductDesc() {
Osator 0:339b7abfa147 166 static uint8_t stringIproductDescriptor[] = {
Osator 0:339b7abfa147 167 0x16,
Osator 0:339b7abfa147 168 STRING_DESCRIPTOR,
Osator 0:339b7abfa147 169 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0
Osator 0:339b7abfa147 170 };
Osator 0:339b7abfa147 171 return stringIproductDescriptor;
Osator 0:339b7abfa147 172 }
Osator 0:339b7abfa147 173
Osator 0:339b7abfa147 174
Osator 0:339b7abfa147 175 #define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7)
Osator 0:339b7abfa147 176
Osator 0:339b7abfa147 177 uint8_t * USBCDC::configurationDesc() {
Osator 0:339b7abfa147 178 static uint8_t configDescriptor[] = {
Osator 0:339b7abfa147 179 // configuration descriptor
Osator 0:339b7abfa147 180 9, // bLength
Osator 0:339b7abfa147 181 2, // bDescriptorType
Osator 0:339b7abfa147 182 LSB(CONFIG1_DESC_SIZE), // wTotalLength
Osator 0:339b7abfa147 183 MSB(CONFIG1_DESC_SIZE),
Osator 0:339b7abfa147 184 2, // bNumInterfaces
Osator 0:339b7abfa147 185 1, // bConfigurationValue
Osator 0:339b7abfa147 186 0, // iConfiguration
Osator 0:339b7abfa147 187 0x80, // bmAttributes
Osator 0:339b7abfa147 188 50, // bMaxPower
Osator 0:339b7abfa147 189
Osator 0:339b7abfa147 190 // IAD to associate the two CDC interfaces
Osator 0:339b7abfa147 191 0x08, // bLength
Osator 0:339b7abfa147 192 0x0b, // bDescriptorType
Osator 0:339b7abfa147 193 0x00, // bFirstInterface
Osator 0:339b7abfa147 194 0x02, // bInterfaceCount
Osator 0:339b7abfa147 195 0x02, // bFunctionClass
Osator 0:339b7abfa147 196 0x02, // bFunctionSubClass
Osator 0:339b7abfa147 197 0, // bFunctionProtocol
Osator 0:339b7abfa147 198 0, // iFunction
Osator 0:339b7abfa147 199
Osator 0:339b7abfa147 200 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
Osator 0:339b7abfa147 201 9, // bLength
Osator 0:339b7abfa147 202 4, // bDescriptorType
Osator 0:339b7abfa147 203 0, // bInterfaceNumber
Osator 0:339b7abfa147 204 0, // bAlternateSetting
Osator 0:339b7abfa147 205 1, // bNumEndpoints
Osator 0:339b7abfa147 206 0x02, // bInterfaceClass
Osator 0:339b7abfa147 207 0x02, // bInterfaceSubClass
Osator 0:339b7abfa147 208 0x01, // bInterfaceProtocol
Osator 0:339b7abfa147 209 0, // iInterface
Osator 0:339b7abfa147 210
Osator 0:339b7abfa147 211 // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
Osator 0:339b7abfa147 212 5, // bFunctionLength
Osator 0:339b7abfa147 213 0x24, // bDescriptorType
Osator 0:339b7abfa147 214 0x00, // bDescriptorSubtype
Osator 0:339b7abfa147 215 0x10, 0x01, // bcdCDC
Osator 0:339b7abfa147 216
Osator 0:339b7abfa147 217 // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
Osator 0:339b7abfa147 218 5, // bFunctionLength
Osator 0:339b7abfa147 219 0x24, // bDescriptorType
Osator 0:339b7abfa147 220 0x01, // bDescriptorSubtype
Osator 0:339b7abfa147 221 0x03, // bmCapabilities
Osator 0:339b7abfa147 222 1, // bDataInterface
Osator 0:339b7abfa147 223
Osator 0:339b7abfa147 224 // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
Osator 0:339b7abfa147 225 4, // bFunctionLength
Osator 0:339b7abfa147 226 0x24, // bDescriptorType
Osator 0:339b7abfa147 227 0x02, // bDescriptorSubtype
Osator 0:339b7abfa147 228 0x06, // bmCapabilities
Osator 0:339b7abfa147 229
Osator 0:339b7abfa147 230 // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
Osator 0:339b7abfa147 231 5, // bFunctionLength
Osator 0:339b7abfa147 232 0x24, // bDescriptorType
Osator 0:339b7abfa147 233 0x06, // bDescriptorSubtype
Osator 0:339b7abfa147 234 0, // bMasterInterface
Osator 0:339b7abfa147 235 1, // bSlaveInterface0
Osator 0:339b7abfa147 236
Osator 0:339b7abfa147 237 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
Osator 0:339b7abfa147 238 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
Osator 0:339b7abfa147 239 ENDPOINT_DESCRIPTOR, // bDescriptorType
Osator 0:339b7abfa147 240 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
Osator 0:339b7abfa147 241 E_INTERRUPT, // bmAttributes (0x03=intr)
Osator 0:339b7abfa147 242 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
Osator 0:339b7abfa147 243 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
Osator 0:339b7abfa147 244 16, // bInterval
Osator 0:339b7abfa147 245
Osator 0:339b7abfa147 246
Osator 0:339b7abfa147 247
Osator 0:339b7abfa147 248
Osator 0:339b7abfa147 249 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
Osator 0:339b7abfa147 250 9, // bLength
Osator 0:339b7abfa147 251 4, // bDescriptorType
Osator 0:339b7abfa147 252 1, // bInterfaceNumber
Osator 0:339b7abfa147 253 0, // bAlternateSetting
Osator 0:339b7abfa147 254 2, // bNumEndpoints
Osator 0:339b7abfa147 255 0x0A, // bInterfaceClass
Osator 0:339b7abfa147 256 0x00, // bInterfaceSubClass
Osator 0:339b7abfa147 257 0x00, // bInterfaceProtocol
Osator 0:339b7abfa147 258 0, // iInterface
Osator 0:339b7abfa147 259
Osator 0:339b7abfa147 260 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
Osator 0:339b7abfa147 261 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
Osator 0:339b7abfa147 262 ENDPOINT_DESCRIPTOR, // bDescriptorType
Osator 0:339b7abfa147 263 PHY_TO_DESC(EPBULK_IN), // bEndpointAddress
Osator 0:339b7abfa147 264 E_BULK, // bmAttributes (0x02=bulk)
Osator 0:339b7abfa147 265 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
Osator 0:339b7abfa147 266 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
Osator 0:339b7abfa147 267 0, // bInterval
Osator 0:339b7abfa147 268
Osator 0:339b7abfa147 269 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
Osator 0:339b7abfa147 270 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
Osator 0:339b7abfa147 271 ENDPOINT_DESCRIPTOR, // bDescriptorType
Osator 0:339b7abfa147 272 PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress
Osator 0:339b7abfa147 273 E_BULK, // bmAttributes (0x02=bulk)
Osator 0:339b7abfa147 274 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
Osator 0:339b7abfa147 275 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
Osator 0:339b7abfa147 276 0 // bInterval
Osator 0:339b7abfa147 277 };
Osator 0:339b7abfa147 278 return configDescriptor;
Osator 0:339b7abfa147 279 }