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Diffstat (limited to 'tmk_core/protocol/vusb/main.c')
-rw-r--r-- | tmk_core/protocol/vusb/main.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/tmk_core/protocol/vusb/main.c b/tmk_core/protocol/vusb/main.c new file mode 100644 index 0000000000..f6a0c7e9a4 --- /dev/null +++ b/tmk_core/protocol/vusb/main.c @@ -0,0 +1,104 @@ +/* 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(); + } + } +} |