add keycode2 at USBKeyboard
Dependents: USBKeyboard_HelloWorld
Fork of USBDevice by
USBCDC.cpp
00001 /* Copyright (c) 2010-2011 mbed.org, MIT License 00002 * 00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00004 * and associated documentation files (the "Software"), to deal in the Software without 00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish, 00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the 00007 * Software is furnished to do so, subject to the following conditions: 00008 * 00009 * The above copyright notice and this permission notice shall be included in all copies or 00010 * substantial portions of the Software. 00011 * 00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00017 */ 00018 00019 #include "stdint.h" 00020 #include "USBCDC.h" 00021 00022 static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08}; 00023 00024 #define DEFAULT_CONFIGURATION (1) 00025 00026 #define CDC_SET_LINE_CODING 0x20 00027 #define CDC_GET_LINE_CODING 0x21 00028 #define CDC_SET_CONTROL_LINE_STATE 0x22 00029 00030 #define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK 00031 00032 USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { 00033 USBDevice::connect(); 00034 } 00035 00036 bool USBCDC::USBCallback_request(void) { 00037 /* Called in ISR context */ 00038 00039 bool success = false; 00040 CONTROL_TRANSFER * transfer = getTransferPtr(); 00041 00042 /* Process class-specific requests */ 00043 00044 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { 00045 switch (transfer->setup.bRequest) { 00046 case CDC_GET_LINE_CODING: 00047 transfer->remaining = 7; 00048 transfer->ptr = cdc_line_coding; 00049 transfer->direction = DEVICE_TO_HOST; 00050 success = true; 00051 break; 00052 case CDC_SET_LINE_CODING: 00053 transfer->remaining = 7; 00054 success = true; 00055 break; 00056 case CDC_SET_CONTROL_LINE_STATE: 00057 success = true; 00058 break; 00059 default: 00060 break; 00061 } 00062 } 00063 00064 return success; 00065 } 00066 00067 00068 // Called in ISR context 00069 // Set configuration. Return false if the 00070 // configuration is not supported. 00071 bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) { 00072 if (configuration != DEFAULT_CONFIGURATION) { 00073 return false; 00074 } 00075 00076 // Configure endpoints > 0 00077 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); 00078 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); 00079 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); 00080 00081 // We activate the endpoint to be able to recceive data 00082 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); 00083 return true; 00084 } 00085 00086 bool USBCDC::send(uint8_t * buffer, uint32_t size) { 00087 return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE); 00088 } 00089 00090 bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) { 00091 if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) 00092 return false; 00093 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) 00094 return false; 00095 return true; 00096 } 00097 00098 bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) { 00099 if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) 00100 return false; 00101 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) 00102 return false; 00103 return true; 00104 } 00105 00106 00107 uint8_t * USBCDC::deviceDesc() { 00108 static uint8_t deviceDescriptor[] = { 00109 18, // bLength 00110 1, // bDescriptorType 00111 0x10, 0x01, // bcdUSB 00112 2, // bDeviceClass 00113 0, // bDeviceSubClass 00114 0, // bDeviceProtocol 00115 MAX_PACKET_SIZE_EP0, // bMaxPacketSize0 00116 LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor 00117 LSB(PRODUCT_ID), MSB(PRODUCT_ID),// idProduct 00118 0x00, 0x01, // bcdDevice 00119 1, // iManufacturer 00120 2, // iProduct 00121 3, // iSerialNumber 00122 1 // bNumConfigurations 00123 }; 00124 return deviceDescriptor; 00125 } 00126 00127 uint8_t * USBCDC::stringIinterfaceDesc() { 00128 static uint8_t stringIinterfaceDescriptor[] = { 00129 0x08, 00130 STRING_DESCRIPTOR, 00131 'C',0,'D',0,'C',0, 00132 }; 00133 return stringIinterfaceDescriptor; 00134 } 00135 00136 uint8_t * USBCDC::stringIproductDesc() { 00137 static uint8_t stringIproductDescriptor[] = { 00138 0x16, 00139 STRING_DESCRIPTOR, 00140 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 00141 }; 00142 return stringIproductDescriptor; 00143 } 00144 00145 00146 #define CONFIG1_DESC_SIZE (9+9+5+5+4+5+7+9+7+7) 00147 00148 uint8_t * USBCDC::configurationDesc() { 00149 static uint8_t configDescriptor[] = { 00150 9, // bLength; 00151 2, // bDescriptorType; 00152 LSB(CONFIG1_DESC_SIZE), // wTotalLength 00153 MSB(CONFIG1_DESC_SIZE), 00154 2, // bNumInterfaces 00155 1, // bConfigurationValue 00156 0, // iConfiguration 00157 0x80, // bmAttributes 00158 50, // bMaxPower 00159 00160 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 00161 9, // bLength 00162 4, // bDescriptorType 00163 0, // bInterfaceNumber 00164 0, // bAlternateSetting 00165 1, // bNumEndpoints 00166 0x02, // bInterfaceClass 00167 0x02, // bInterfaceSubClass 00168 0x01, // bInterfaceProtocol 00169 0, // iInterface 00170 00171 // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26 00172 5, // bFunctionLength 00173 0x24, // bDescriptorType 00174 0x00, // bDescriptorSubtype 00175 0x10, 0x01, // bcdCDC 00176 00177 // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27 00178 5, // bFunctionLength 00179 0x24, // bDescriptorType 00180 0x01, // bDescriptorSubtype 00181 0x03, // bmCapabilities 00182 1, // bDataInterface 00183 00184 // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28 00185 4, // bFunctionLength 00186 0x24, // bDescriptorType 00187 0x02, // bDescriptorSubtype 00188 0x06, // bmCapabilities 00189 00190 // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33 00191 5, // bFunctionLength 00192 0x24, // bDescriptorType 00193 0x06, // bDescriptorSubtype 00194 0, // bMasterInterface 00195 1, // bSlaveInterface0 00196 00197 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 00198 ENDPOINT_DESCRIPTOR_LENGTH, // bLength 00199 ENDPOINT_DESCRIPTOR, // bDescriptorType 00200 PHY_TO_DESC(EPINT_IN), // bEndpointAddress 00201 E_INTERRUPT, // bmAttributes (0x03=intr) 00202 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) 00203 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) 00204 16, // bInterval 00205 00206 00207 00208 00209 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 00210 9, // bLength 00211 4, // bDescriptorType 00212 1, // bInterfaceNumber 00213 0, // bAlternateSetting 00214 2, // bNumEndpoints 00215 0x0A, // bInterfaceClass 00216 0x00, // bInterfaceSubClass 00217 0x00, // bInterfaceProtocol 00218 0, // iInterface 00219 00220 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 00221 7, // bLength 00222 5, // bDescriptorType 00223 PHY_TO_DESC(EPBULK_IN), // bEndpointAddress 00224 0x02, // bmAttributes (0x02=bulk) 00225 LSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (LSB) 00226 MSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (MSB) 00227 0, // bInterval 00228 00229 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 00230 7, // bLength 00231 5, // bDescriptorType 00232 PHY_TO_DESC(EPBULK_OUT),// bEndpointAddress 00233 0x02, // bmAttributes (0x02=bulk) 00234 LSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (LSB) 00235 MSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (MSB) 00236 0 // bInterval 00237 }; 00238 return configDescriptor; 00239 }
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