/* LUFA Library Copyright (C) Dean Camera, 2015. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* Copyright 2015 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the name of the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the author be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. */ /** \file * * Main source file for the LEDNotfier project. This file contains the main tasks of * the project and is responsible for the initial application hardware configuration. */ #include "LEDNotifier.h" /** LUFA CDC Class driver interface configuration and state information. This structure is * passed to all CDC Class driver functions, so that multiple instances of the same class * within a device can be differentiated from one another. */ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = { .Config = { .ControlInterfaceNumber = INTERFACE_ID_CDC_CCI, .DataINEndpoint = { .Address = CDC_TX_EPADDR, .Size = CDC_TXRX_EPSIZE, .Banks = 1, }, .DataOUTEndpoint = { .Address = CDC_RX_EPADDR, .Size = CDC_TXRX_EPSIZE, .Banks = 1, }, .NotificationEndpoint = { .Address = CDC_NOTIFICATION_EPADDR, .Size = CDC_NOTIFICATION_EPSIZE, .Banks = 1, }, }, }; /** Counter for the software PWM. */ static volatile uint8_t SoftPWM_Count; /** Duty cycle for the first software PWM channel. */ static volatile uint8_t SoftPWM_Channel1_Duty; /** Duty cycle for the second software PWM channel. */ static volatile uint8_t SoftPWM_Channel2_Duty; /** Duty cycle for the third software PWM channel. */ static volatile uint8_t SoftPWM_Channel3_Duty; /** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be * used like any regular character stream in the C APIs. */ static FILE USBSerialStream; /** Interrupt handler for managing the software PWM channels for the LEDs */ ISR(TIMER0_COMPA_vect, ISR_BLOCK) { uint8_t LEDMask = LEDS_ALL_LEDS; if (++SoftPWM_Count == 0b00011111) SoftPWM_Count = 0; if (SoftPWM_Count >= SoftPWM_Channel1_Duty) LEDMask &= ~LEDS_LED1; if (SoftPWM_Count >= SoftPWM_Channel2_Duty) LEDMask &= ~LEDS_LED2; if (SoftPWM_Count >= SoftPWM_Channel3_Duty) LEDMask &= ~LEDS_LED3; LEDs_SetAllLEDs(LEDMask); } /** Main program entry point. This routine contains the overall program flow, including initial * setup of all components and the main program loop. */ int main(void) { SetupHardware(); /* Create a regular blocking character stream for the interface so that it can be used with the stdio.h functions */ CDC_Device_CreateBlockingStream(&VirtualSerial_CDC_Interface, &USBSerialStream); GlobalInterruptEnable(); for (;;) { /* Read in next LED colour command from the host */ uint8_t ColourUpdate = fgetc(&USBSerialStream); /* Top 3 bits select the LED, bottom 5 control the brightness */ uint8_t Channel = (ColourUpdate & 0b11100000); uint8_t Duty = (ColourUpdate & 0b00011111); if (Channel & (1 << 5)) SoftPWM_Channel1_Duty = Duty; if (Channel & (1 << 6)) SoftPWM_Channel2_Duty = Duty; if (Channel & (1 << 7)) SoftPWM_Channel3_Duty = Duty; fputc(&USBSerialStream, ColourUpdate); CDC_Device_USBTask(&VirtualSerial_CDC_Interface); USB_USBTask(); } } /** Configures the board hardware and chip peripherals for the demo's functionality. */ void SetupHardware(void) { #if (ARCH == ARCH_AVR8) /* Disable watchdog if enabled by bootloader/fuses */ MCUSR &= ~(1 << WDRF); wdt_disable(); /* Disable clock division */ clock_prescale_set(clock_div_1); #endif /* Hardware Initialization */ LEDs_Init(); USB_Init(); /* Timer Initialization */ OCR0A = 100; TCCR0A = (1 << WGM01); TCCR0B = (1 << CS00); TIMSK0 = (1 << OCIE0A); } /** Event handler for the library USB Configuration Changed event. */ void EVENT_USB_Device_ConfigurationChanged(void) { CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface); } /** Event handler for the library USB Control Request reception event. */ void EVENT_USB_Device_ControlRequest(void) { CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); } id='n61' href='#n61'>61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359
#include <xen/config.h>
#include <xen/init.h>
#include <xen/lib.h>
#include <asm/e820.h>

struct e820map e820;

static void __init add_memory_region(unsigned long long start,
                                     unsigned long long size, int type)
{
    int x;

    /*if (!efi_enabled)*/ {
        x = e820.nr_map;

        if (x == E820MAX) {
            printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
            return;
        }

        e820.map[x].addr = start;
        e820.map[x].size = size;
        e820.map[x].type = type;
        e820.nr_map++;
    }
} /* add_memory_region */