qmk_firmware/tmk_core/protocol/vusb/main.c

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/* Name: main.c
* Project: hid-mouse, a very simple HID example
* Author: Christian Starkjohann
* Creation Date: 2008-04-07
* Tabsize: 4
* Copyright: (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
* This Revision: $Id: main.c 790 2010-05-30 21:00:26Z cs $
*/
#include <stdint.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <avr/wdt.h>
#include <avr/sleep.h>
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#include <usbdrv/usbdrv.h>
#include "vusb.h"
#include "keyboard.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "suspend.h"
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#include "wait.h"
#include "sendchar.h"
#ifdef SLEEP_LED_ENABLE
# include "sleep_led.h"
#endif
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#ifdef CONSOLE_ENABLE
void console_task(void);
#endif
#ifdef RAW_ENABLE
void raw_hid_task(void);
#endif
/* This is from main.c of USBaspLoader */
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static void initForUsbConnectivity(void) {
uint8_t i = 0;
usbInit();
/* enforce USB re-enumerate: */
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usbDeviceDisconnect(); /* do this while interrupts are disabled */
while (--i) { /* fake USB disconnect for > 250 ms */
wdt_reset();
wait_ms(1);
}
usbDeviceConnect();
}
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static void usb_remote_wakeup(void) {
cli();
int8_t ddr_orig = USBDDR;
USBOUT |= (1 << USBMINUS);
USBDDR = ddr_orig | USBMASK;
USBOUT ^= USBMASK;
wait_ms(25);
USBOUT ^= USBMASK;
USBDDR = ddr_orig;
USBOUT &= ~(1 << USBMINUS);
sei();
}
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/** \brief Setup USB
*
* FIXME: Needs doc
*/
static void setup_usb(void) {
initForUsbConnectivity();
// for Console_Task
print_set_sendchar(sendchar);
}
/** \brief Main
*
* FIXME: Needs doc
*/
int main(void) __attribute__((weak));
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int main(void) {
bool suspended = false;
#if USB_COUNT_SOF
uint16_t last_timer = timer_read();
#endif
#ifdef CLKPR
// avoid unintentional changes of clock frequency in devices that have a
// clock prescaler
clock_prescale_set(clock_div_1);
#endif
keyboard_setup();
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setup_usb();
sei();
keyboard_init();
host_set_driver(vusb_driver());
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wait_ms(50);
#ifdef SLEEP_LED_ENABLE
sleep_led_init();
#endif
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while (1) {
#if USB_COUNT_SOF
if (usbSofCount != 0) {
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suspended = false;
usbSofCount = 0;
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last_timer = timer_read();
# ifdef SLEEP_LED_ENABLE
sleep_led_disable();
# endif
} else {
// Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
if (timer_elapsed(last_timer) > 5) {
suspended = true;
# ifdef SLEEP_LED_ENABLE
sleep_led_enable();
# endif
}
}
#endif
if (!suspended) {
usbPoll();
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// TODO: configuration process is inconsistent. it sometime fails.
// To prevent failing to configure NOT scan keyboard during configuration
if (usbConfiguration && usbInterruptIsReady()) {
keyboard_task();
}
vusb_transfer_keyboard();
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#ifdef RAW_ENABLE
usbPoll();
if (usbConfiguration && usbInterruptIsReady3()) {
raw_hid_task();
}
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#endif
#ifdef CONSOLE_ENABLE
usbPoll();
if (usbConfiguration && usbInterruptIsReady3()) {
console_task();
}
#endif
2020 November 28 Breaking Changes Update (#11053) * Branch point for 2020 November 28 Breaking Change * Remove matrix_col_t to allow MATRIX_ROWS > 32 (#10183) * Add support for soft serial to ATmega32U2 (#10204) * Change MIDI velocity implementation to allow direct control of velocity value (#9940) * Add ability to build a subset of all keyboards based on platform. * Actually use eeprom_driver_init(). * Make bootloader_jump weak for ChibiOS. (#10417) * Joystick 16-bit support (#10439) * Per-encoder resolutions (#10259) * Share button state from mousekey to pointing_device (#10179) * Add hotfix for chibios keyboards not wake (#10088) * Add advanced/efficient RGB Matrix Indicators (#8564) * Naming change. * Support for STM32 GPIOF,G,H,I,J,K (#10206) * Add milc as a dependency and remove the installed milc (#10563) * ChibiOS upgrade: early init conversions (#10214) * ChibiOS upgrade: configuration file migrator (#9952) * Haptic and solenoid cleanup (#9700) * XD75 cleanup (#10524) * OLED display update interval support (#10388) * Add definition based on currently-selected serial driver. (#10716) * New feature: Retro Tapping per key (#10622) * Allow for modification of output RGB values when using rgblight/rgb_matrix. (#10638) * Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530) * Rescale both ChibiOS and AVR backlighting. * Reduce Helix keyboard build variation (#8669) * Minor change to behavior allowing display updates to continue between task ticks (#10750) * Some GPIO manipulations in matrix.c change to atomic. (#10491) * qmk cformat (#10767) * [Keyboard] Update the Speedo firmware for v3.0 (#10657) * Maartenwut/Maarten namechange to evyd13/Evy (#10274) * [quantum] combine repeated lines of code (#10837) * Add step sequencer feature (#9703) * aeboards/ext65 refactor (#10820) * Refactor xelus/dawn60 for Rev2 later (#10584) * add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk (#10824) * [Core] Added `add_oneshot_mods` & `del_oneshot_mods` (#10549) * update chibios os usb for the otg driver (#8893) * Remove HD44780 References, Part 4 (#10735) * [Keyboard] Add Valor FRL TKL (+refactor) (#10512) * Fix cursor position bug in oled_write_raw functions (#10800) * Fixup version.h writing when using SKIP_VERSION=yes (#10972) * Allow for certain code in the codebase assuming length of string. (#10974) * Add AT90USB support for serial.c (#10706) * Auto shift: support repeats and early registration (#9826) * Rename ledmatrix.h to match .c file (#7949) * Split RGB_MATRIX_ENABLE into _ENABLE and _DRIVER (#10231) * Split LED_MATRIX_ENABLE into _ENABLE and _DRIVER (#10840) * Merge point for 2020 Nov 28 Breaking Change
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// Run housekeeping
housekeeping_task_kb();
housekeeping_task_user();
} else if (suspend_wakeup_condition()) {
usb_remote_wakeup();
}
}
}