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Diffstat (limited to 'tmk_core/protocol/vusb/main.c')
-rw-r--r--tmk_core/protocol/vusb/main.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/tmk_core/protocol/vusb/main.c b/tmk_core/protocol/vusb/main.c
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+++ b/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/wdt.h>
+#include <avr/sleep.h>
+#include <util/delay.h>
+#include "usbdrv.h"
+#include "oddebug.h"
+#include "vusb.h"
+#include "keyboard.h"
+#include "host.h"
+#include "timer.h"
+#include "uart.h"
+#include "debug.h"
+
+
+#define UART_BAUD_RATE 115200
+
+
+/* This is from main.c of USBaspLoader */
+static void initForUsbConnectivity(void)
+{
+ uint8_t i = 0;
+
+ usbInit();
+ /* enforce USB re-enumerate: */
+ usbDeviceDisconnect(); /* do this while interrupts are disabled */
+ while(--i){ /* fake USB disconnect for > 250 ms */
+ wdt_reset();
+ _delay_ms(1);
+ }
+ usbDeviceConnect();
+ sei();
+}
+
+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
+ CLKPR = 0x80, CLKPR = 0;
+#endif
+#ifndef NO_UART
+ uart_init(UART_BAUD_RATE);
+#endif
+
+ keyboard_init();
+ host_set_driver(vusb_driver());
+
+ debug("initForUsbConnectivity()\n");
+ initForUsbConnectivity();
+
+ debug("main loop\n");
+ while (1) {
+#if USB_COUNT_SOF
+ if (usbSofCount != 0) {
+ suspended = false;
+ usbSofCount = 0;
+ last_timer = timer_read();
+ } else {
+ // Suspend when no SOF in 3ms-10ms(7.1.7.4 Suspending of USB1.1)
+ if (timer_elapsed(last_timer) > 5) {
+ suspended = true;
+/*
+ uart_putchar('S');
+ _delay_ms(1);
+ cli();
+ set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+ sleep_enable();
+ sleep_bod_disable();
+ sei();
+ sleep_cpu();
+ sleep_disable();
+ _delay_ms(10);
+ uart_putchar('W');
+*/
+ }
+ }
+#endif
+ if (!suspended) {
+ usbPoll();
+
+ // TODO: configuration process is incosistent. it sometime fails.
+ // To prevent failing to configure NOT scan keyboard during configuration
+ if (usbConfiguration && usbInterruptIsReady()) {
+ keyboard_task();
+ }
+ vusb_transfer_keyboard();
+ }
+ }
+}