Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 1 | /* ---------------------------------------------------------------------------- |
| 2 | * ATMEL Microcontroller Software Support |
| 3 | * ---------------------------------------------------------------------------- |
| 4 | * Copyright (c) 2009, Atmel Corporation |
| 5 | * |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * - Redistributions of source code must retain the above copyright notice, |
| 12 | * this list of conditions and the disclaimer below. |
| 13 | * |
| 14 | * Atmel's name may not be used to endorse or promote products derived from |
| 15 | * this software without specific prior written permission. |
| 16 | * |
| 17 | * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| 23 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * ---------------------------------------------------------------------------- |
| 28 | */ |
| 29 | |
| 30 | /*---------------------------------------------------------------------------- |
| 31 | * Headers |
| 32 | *----------------------------------------------------------------------------*/ |
| 33 | |
| 34 | #include "board.h" |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 35 | |
| 36 | /*---------------------------------------------------------------------------- |
| 37 | * Internal variables |
| 38 | *----------------------------------------------------------------------------*/ |
| 39 | |
| 40 | /** Standard USB device descriptor for the CDC serial driver */ |
| 41 | const USBDeviceDescriptor deviceDescriptor = { |
| 42 | |
| 43 | sizeof(USBDeviceDescriptor), |
| 44 | USBGenericDescriptor_DEVICE, |
| 45 | USBDeviceDescriptor_USB2_00, |
| 46 | 0xff, |
| 47 | // CDCDeviceDescriptor_CLASS, |
| 48 | 0xff, |
| 49 | // CDCDeviceDescriptor_SUBCLASS, |
| 50 | 0xff, |
| 51 | // CDCDeviceDescriptor_PROTOCOL, |
| 52 | BOARD_USB_ENDPOINTS_MAXPACKETSIZE(0), |
| 53 | ATMEL_VENDOR_ID, |
| 54 | SIMTRACE_PRODUCT_ID, |
| 55 | 1, /* Release number */ |
| 56 | 0, /* No string descriptor for manufacturer */ |
| 57 | 1, /* Index of product string descriptor is #1 */ |
| 58 | 0, /* No string descriptor for serial number */ |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 59 | 2 /* Device has 2 possible configurations */ |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | typedef struct _SIMTraceDriverConfigurationDescriptors { |
| 63 | |
| 64 | /** Standard configuration descriptor. */ |
| 65 | USBConfigurationDescriptor configuration; |
| 66 | /** Data interface descriptor. */ |
| 67 | USBInterfaceDescriptor data; |
| 68 | /** Data OUT endpoint descriptor. */ |
| 69 | USBEndpointDescriptor dataOut; |
| 70 | /** Data IN endpoint descriptor. */ |
| 71 | USBEndpointDescriptor dataIn; |
| 72 | |
| 73 | } __attribute__ ((packed)) SIMTraceDriverConfigurationDescriptor; |
| 74 | |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 75 | const SIMTraceDriverConfigurationDescriptor configurationDescriptorsFS1 = { |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 76 | /* Standard configuration descriptor */ |
| 77 | { |
| 78 | sizeof(USBConfigurationDescriptor), |
| 79 | USBGenericDescriptor_CONFIGURATION, |
| 80 | sizeof(SIMTraceDriverConfigurationDescriptor), |
| 81 | 2, /* There are two interfaces in this configuration */ |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 82 | 1, /* This is configuration #1 */ |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 83 | 2, /* Second string descriptor for this configuration */ |
| 84 | USBD_BMATTRIBUTES, |
| 85 | USBConfigurationDescriptor_POWER(100) |
| 86 | }, |
| 87 | /* Communication class interface standard descriptor */ |
| 88 | { |
| 89 | sizeof(USBInterfaceDescriptor), |
| 90 | USBGenericDescriptor_INTERFACE, |
| 91 | 0, /* This is interface #0 */ |
| 92 | 0, /* This is alternate setting #0 for this interface */ |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 93 | 2, /* This interface uses 2 endpoints */ |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 94 | //CDCCommunicationInterfaceDescriptor_CLASS, |
| 95 | 0xff, |
| 96 | // CDCCommunicationInterfaceDescriptor_ABSTRACTCONTROLMODEL, |
| 97 | 0, |
| 98 | // CDCCommunicationInterfaceDescriptor_NOPROTOCOL, |
| 99 | 0, |
| 100 | 1 /* Second in string descriptor for this interface */ |
| 101 | }, |
| 102 | /* Bulk-OUT endpoint standard descriptor */ |
| 103 | #define DATAOUT 1 |
| 104 | { |
| 105 | sizeof(USBEndpointDescriptor), |
| 106 | USBGenericDescriptor_ENDPOINT, |
| 107 | USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_OUT, |
| 108 | DATAOUT), |
| 109 | USBEndpointDescriptor_BULK, |
| 110 | MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAOUT), |
| 111 | USBEndpointDescriptor_MAXBULKSIZE_FS), |
| 112 | 0 /* Must be 0 for full-speed bulk endpoints */ |
| 113 | }, |
| 114 | /* Bulk-IN endpoint descriptor */ |
| 115 | #define DATAIN 2 |
| 116 | { |
| 117 | sizeof(USBEndpointDescriptor), |
| 118 | USBGenericDescriptor_ENDPOINT, |
| 119 | USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_IN, |
| 120 | DATAIN), |
| 121 | USBEndpointDescriptor_BULK, |
| 122 | MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAIN), |
| 123 | USBEndpointDescriptor_MAXBULKSIZE_FS), |
| 124 | 0 /* Must be 0 for full-speed bulk endpoints */ |
| 125 | } |
| 126 | }; |
| 127 | |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 128 | const SIMTraceDriverConfigurationDescriptor configurationDescriptorsFS2 = { |
| 129 | /** Second configuration **/ |
| 130 | { |
| 131 | sizeof(USBConfigurationDescriptor), |
| 132 | USBGenericDescriptor_CONFIGURATION, |
| 133 | sizeof(SIMTraceDriverConfigurationDescriptor), |
| 134 | 2, /* There are two interfaces in this configuration */ |
| 135 | 2, /* This is configuration #2 */ |
| 136 | 3, /* Third string descriptor for this configuration */ |
| 137 | USBD_BMATTRIBUTES, |
| 138 | USBConfigurationDescriptor_POWER(100) |
| 139 | }, |
| 140 | /* Communication class interface standard descriptor */ |
| 141 | { |
| 142 | sizeof(USBInterfaceDescriptor), |
| 143 | USBGenericDescriptor_INTERFACE, |
| 144 | 0, /* This is interface #0 */ |
| 145 | 0, /* This is alternate setting #0 for this interface */ |
| 146 | 2, /* This interface uses 2 endpoints */ |
| 147 | //CDCCommunicationInterfaceDescriptor_CLASS, |
| 148 | 0xff, |
| 149 | // CDCCommunicationInterfaceDescriptor_ABSTRACTCONTROLMODEL, |
| 150 | 0, |
| 151 | // CDCCommunicationInterfaceDescriptor_NOPROTOCOL, |
| 152 | 0, |
| 153 | 3 /* Third in string descriptor for this interface */ |
| 154 | }, |
| 155 | /* Bulk-OUT endpoint standard descriptor */ |
| 156 | { |
| 157 | sizeof(USBEndpointDescriptor), |
| 158 | USBGenericDescriptor_ENDPOINT, |
| 159 | USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_OUT, |
| 160 | DATAOUT), |
| 161 | USBEndpointDescriptor_BULK, |
| 162 | MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAOUT), |
| 163 | USBEndpointDescriptor_MAXBULKSIZE_FS), |
| 164 | 0 /* Must be 0 for full-speed bulk endpoints */ |
| 165 | }, |
| 166 | /* Bulk-IN endpoint descriptor */ |
| 167 | { |
| 168 | sizeof(USBEndpointDescriptor), |
| 169 | USBGenericDescriptor_ENDPOINT, |
| 170 | USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_IN, |
| 171 | DATAIN), |
| 172 | USBEndpointDescriptor_BULK, |
| 173 | MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAIN), |
| 174 | USBEndpointDescriptor_MAXBULKSIZE_FS), |
| 175 | 0 /* Must be 0 for full-speed bulk endpoints */ |
| 176 | } |
| 177 | }; |
| 178 | |
| 179 | const SIMTraceDriverConfigurationDescriptor *configurationDescriptorsFSarr[] = { |
| 180 | &configurationDescriptorsFS1, |
| 181 | &configurationDescriptorsFS2 |
| 182 | }; |
| 183 | |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 184 | const unsigned char someString[] = { |
| 185 | USBStringDescriptor_LENGTH(4), |
| 186 | USBGenericDescriptor_STRING, |
| 187 | USBStringDescriptor_UNICODE('S'), |
| 188 | USBStringDescriptor_UNICODE('O'), |
| 189 | USBStringDescriptor_UNICODE('M'), |
| 190 | USBStringDescriptor_UNICODE('E'), |
| 191 | }; |
| 192 | |
| 193 | const unsigned char productStringDescriptor[] = { |
| 194 | |
| 195 | USBStringDescriptor_LENGTH(13), |
| 196 | USBGenericDescriptor_STRING, |
| 197 | USBStringDescriptor_UNICODE('S'), |
| 198 | USBStringDescriptor_UNICODE('I'), |
| 199 | USBStringDescriptor_UNICODE('M'), |
| 200 | USBStringDescriptor_UNICODE('T'), |
| 201 | USBStringDescriptor_UNICODE('R'), |
| 202 | USBStringDescriptor_UNICODE('A'), |
| 203 | USBStringDescriptor_UNICODE('C'), |
| 204 | USBStringDescriptor_UNICODE('E'), |
| 205 | USBStringDescriptor_UNICODE('~'), |
| 206 | USBStringDescriptor_UNICODE('~'), |
| 207 | USBStringDescriptor_UNICODE('~'), |
| 208 | USBStringDescriptor_UNICODE('~'), |
| 209 | USBStringDescriptor_UNICODE('~') |
| 210 | }; |
| 211 | |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 212 | const unsigned char productStringDescriptor2[] = { |
| 213 | |
| 214 | USBStringDescriptor_LENGTH(13), |
| 215 | USBGenericDescriptor_STRING, |
| 216 | USBStringDescriptor_UNICODE('S'), |
| 217 | USBStringDescriptor_UNICODE('I'), |
| 218 | USBStringDescriptor_UNICODE('M'), |
| 219 | USBStringDescriptor_UNICODE('T'), |
| 220 | USBStringDescriptor_UNICODE('R'), |
| 221 | USBStringDescriptor_UNICODE('A'), |
| 222 | USBStringDescriptor_UNICODE('C'), |
| 223 | USBStringDescriptor_UNICODE('E'), |
| 224 | USBStringDescriptor_UNICODE('~'), |
| 225 | USBStringDescriptor_UNICODE('2'), |
| 226 | USBStringDescriptor_UNICODE('~'), |
| 227 | USBStringDescriptor_UNICODE('~'), |
| 228 | USBStringDescriptor_UNICODE('~') |
| 229 | }; |
| 230 | |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 231 | /** List of string descriptors used by the device */ |
| 232 | const unsigned char *stringDescriptors[] = { |
| 233 | /* FIXME: Is it true that I can't use the string desc #0, |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 234 | * because 0 also stands for "no string desc"? |
| 235 | * on the other hand, dmesg output: |
| 236 | * "string descriptor 0 malformed (err = -61), defaulting to 0x0409" */ |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 237 | 0, |
| 238 | productStringDescriptor, |
| 239 | someString, |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 240 | productStringDescriptor2, |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 241 | }; |
| 242 | |
| 243 | const USBDDriverDescriptors driverDescriptors = { |
| 244 | |
| 245 | &deviceDescriptor, |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 246 | (USBConfigurationDescriptor **) &(configurationDescriptorsFSarr), /* full-speed configuration descriptor */ |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 247 | 0, /* No full-speed device qualifier descriptor */ |
| 248 | 0, /* No full-speed other speed configuration */ |
| 249 | 0, /* No high-speed device descriptor */ |
| 250 | 0, /* No high-speed configuration descriptor */ |
| 251 | 0, /* No high-speed device qualifier descriptor */ |
| 252 | 0, /* No high-speed other speed configuration descriptor */ |
| 253 | stringDescriptors, |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame^] | 254 | 4 /* 4 string descriptors in list */ |
Christina Quast | 6255ccc | 2015-02-10 20:38:51 +0100 | [diff] [blame] | 255 | }; |
| 256 | |
| 257 | |
| 258 | |
| 259 | /** |
| 260 | * \brief Configure 48MHz Clock for USB |
| 261 | */ |
| 262 | static void _ConfigureUsbClock(void) |
| 263 | { |
| 264 | /* Enable PLLB for USB */ |
| 265 | // FIXME: are these the dividers I actually need? |
| 266 | // FIXME: I could just use PLLA, since it has a frequ of 48Mhz anyways? |
| 267 | PMC->CKGR_PLLBR = CKGR_PLLBR_DIVB(5) |
| 268 | | CKGR_PLLBR_MULB(0xc) /* MULT+1=0xd*/ |
| 269 | | CKGR_PLLBR_PLLBCOUNT_Msk; |
| 270 | while((PMC->PMC_SR & PMC_SR_LOCKB) == 0); |
| 271 | /* USB Clock uses PLLB */ |
| 272 | PMC->PMC_USB = PMC_USB_USBDIV(0) /* /1 (no divider) */ |
| 273 | | PMC_USB_USBS; /* PLLB */ |
| 274 | } |
| 275 | |
| 276 | |
| 277 | void SIMtraceDriver_Initialize( void ) |
| 278 | { |
| 279 | // Get std USB driver |
| 280 | USBDDriver *pUsbd = USBD_GetDriver(); |
| 281 | |
| 282 | TRACE_DEBUG("."); |
| 283 | |
| 284 | // Initialize standard USB driver |
| 285 | USBDDriver_Initialize(pUsbd, |
| 286 | &driverDescriptors, |
| 287 | // FIXME: 2 interface settings supported in MITM mode |
| 288 | 0); // Multiple interface settings not supported |
| 289 | |
| 290 | USBD_Init(); |
| 291 | TRACE_DEBUG("%s", "leaving"); |
| 292 | } |
| 293 | |
| 294 | /* |
| 295 | void USBDDriverCallbacks_ConfigurationChanged(unsigned char cfgnum) |
| 296 | { |
| 297 | printf("Configuration change requested: %c\n\r", cfgnum); |
| 298 | } |
| 299 | |
| 300 | void USBDCallbacks_RequestReceived(const USBGenericRequest *request) |
| 301 | { |
| 302 | printf("RequestHandler called %d\n\r", USBGenericRequest_GetType(request)); |
| 303 | } |
| 304 | */ |
| 305 | /*---------------------------------------------------------------------------- |
| 306 | * Main |
| 307 | *----------------------------------------------------------------------------*/ |
| 308 | |
| 309 | /** |
| 310 | * \brief usb_cdc_serial Application entry point. |
| 311 | * |
| 312 | * Initializes drivers and start the USB <-> Serial bridge. |
| 313 | */ |
| 314 | int main(void) |
| 315 | { |
| 316 | uint8_t isUsbConnected = 0; |
| 317 | |
| 318 | LED_Configure(LED_NUM_GREEN); |
| 319 | LED_Set(LED_NUM_GREEN); |
| 320 | |
| 321 | /* Disable watchdog */ |
| 322 | WDT_Disable( WDT ); |
| 323 | |
| 324 | PIO_InitializeInterrupts(0); |
| 325 | |
| 326 | // NVIC_EnableIRQ(UDP_IRQn); |
| 327 | |
| 328 | /* Enable UPLL for USB */ |
| 329 | // _ConfigureUsbClock(); |
| 330 | |
| 331 | /* CDC serial driver initialization */ |
| 332 | // CDCDSerialDriver_Initialize(&driverDescriptors); |
| 333 | SIMtraceDriver_Initialize(); |
| 334 | // CCIDDriver_Initialize(); |
| 335 | |
| 336 | USBD_Connect(); |
| 337 | |
| 338 | NVIC_EnableIRQ( UDP_IRQn ); |
| 339 | |
| 340 | printf("**** Start"); |
| 341 | |
| 342 | while (1) { |
| 343 | /* Device is not configured */ |
| 344 | if (USBD_GetState() < USBD_STATE_CONFIGURED) { |
| 345 | |
| 346 | if (isUsbConnected) { |
| 347 | isUsbConnected = 0; |
| 348 | // TC_Stop(TC0, 0); |
| 349 | } |
| 350 | } |
| 351 | else if (isUsbConnected == 0) { |
| 352 | printf("USB is now configured\n\r"); |
| 353 | |
| 354 | isUsbConnected = 1; |
| 355 | // TC_Start(TC0, 0); |
| 356 | } |
| 357 | } |
| 358 | } |