/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
*/
/**
* @file uart.c
* @brief UART Driver code.
*
* @addtogroup UART
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_UART || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief UART Driver initialization.
* @note This function is implicitly invoked by @p halInit(), there is
* no need to explicitly initialize the driver.
*
* @init
*/
void uartInit(void) {
uart_lld_init();
}
/**
* @brief Initializes the standard part of a @p UARTDriver structure.
*
* @param[out] uartp pointer to the @p UARTDriver object
*
* @init
*/
void uartObjectInit(UARTDriver *uartp) {
uartp->state = UART_STOP;
uartp->txstate = UART_TX_IDLE;
uartp->rxstate = UART_RX_IDLE;
uartp->config = NULL;
/* Optional, user-defined initializer.*/
#if defined(UART_DRIVER_EXT_INIT_HOOK)
UART_DRIVER_EXT_INIT_HOOK(uartp);
#endif
}
/**
* @brief Configures and activates the UART peripheral.
*
* @param[in] uartp pointer to the @p UARTDriver object
* @param[in] config pointer to the @p UARTConfig object
*
* @api
*/
void uartStart(UARTDriver *uartp, const UARTConfig *config) {
chDbgCheck((uartp != NULL) && (config != NULL), "uartStart");
chSysLock();
chDbgAssert((uartp->state == UART_STOP) || (uartp->state == UART_READY),
"uartStart(), #1", "invalid state");
uartp->config = config;
uart_lld_start(uartp);
uartp->state = UART_READY;
chSysUnlock();
}
/**
* @brief Deactivates the UART peripheral.
*
* @param[in] uartp pointer to the @p UARTDriver object
*
* @api
*/
void uartStop(UARTDriver *uartp) {
chDbgCheck(uartp != NULL, "uartStop");
chSysLock();
chDbgAssert((uartp->state == UART_STOP) || (uartp->state == UART_READY),
"uartStop(), #1", "invalid state");
uart_lld_stop(uartp);
uartp->state = UART_STOP;
uartp->txstate = UART_TX_IDLE;
uartp->rxstate = UART_RX_IDLE;
chSysUnlock();
}
/**
* @brief Starts a transmission on the UART peripheral.
* @note The buffers are organized as uint8_t arrays for data sizes below
* or equal to 8 bits else it is organized as uint16_t arrays.
*
* @param[in] uartp pointer to the @p UARTDriver object
* @param[in] n number of data frames to send
* @param[in] txbuf the pointer to the transmit buffer
*
* @api
*/
void uartStartSend(UARTDriver *uartp, size_t n, const void *txbuf) {
chDbgCheck((uartp != NULL) && (n > 0) && (txbuf != NULL),
"uartStartSend");
chSysLock();
chDbgAssert((uartp->state == UART_READY) && (uartp->txstate == UART_TX_IDLE),
"uartStartSend(), #1", "not active");
uart_lld_start_send(uartp, n, txbuf);
uartp->txstate = UART_TX_ACTIVE;
chSysUnlock();
}
/**
* @brief Starts a transmission on the UART peripheral.
* @note The buffers are organized as uint8_t arrays for data sizes below
* or equal to 8 bits else it is organized as uint16_t arrays.
* @note This function has to be invoked from a lock zone.
*
* @param[in] uartp pointer to the @p UARTDriver object
* @param[in] n number of data frames to send
* @param[in] txbuf the pointer to the transmit buffer
*
* @iclass
*/
void uartStartSendI(UARTDriver *uartp, size_t n, const void *txbuf) {
chDbgCheck((uartp != NULL) && (n > 0) && (txbuf != NULL),
"uartStartSendI");
chDbgAssert((uartp->state == UART_READY) &&
(uartp->txstate != UART_TX_ACTIVE),
"uartStartSendI(), #1", "not active");
uart_lld_start_send(uartp, n, txbuf);
uartp->txstate = UART_TX_ACTIVE;
}
/**
* @brief Stops any ongoing transmission.
* @note Stopping a transmission also suppresses the transmission callbacks.
*
* @param[in] uartp pointer to the @p UARTDriver object
*
* @return The number of data frames not transmitted by the
* stopped transmit operation.
* @retval 0 There was no transmit operation in progress.
*
* @api
*/
size_t uartStopSend(UARTDriver *uartp) {
size_t n;
chDbgCheck(uartp != NULL, "uartStopSend");
chSysLock();
chDbgAssert(uartp->state == UART_READY, "uartStopSend(), #1", "not active");
if (uartp->txstate == UART_TX_ACTIVE) {
n = uart_lld_stop_send(uartp);
uartp->txstate = UART_TX_IDLE;
}
else
n = 0;
chSysUnlock();
return n;
}
/**
* @brief Stops any ongoing transmission.
* @note Stopping a transmission also suppresses the transmission callbacks.
* @note This function has to be invoked from a lock zone.
*
* @param[in] uartp pointer to the @p UARTDriver object
*
* @return The number of data frames not transmitted by the
* stopped transmit operation.
* @retval 0 There was no transmit operation in progress.
*
* @iclass
*/
size_t uartStopSendI(UARTDriver *uartp) {
chDbgCheck(uartp != NULL, "uartStopSendI");
chDbgAssert(uartp->state == UART_R
/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 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
*
* Header file for GenericHIDHost.c.
*/
#ifndef _GENERICHID_HOST_H_
#define _GENERICHID_HOST_H_
/* Includes: */
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#include <stdio.h>
#include <LUFA/Drivers/Misc/TerminalCodes.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Peripheral/Serial.h>
#include <LUFA/Drivers/Board/LEDs.h>
#include <LUFA/Platform/Platform.h>
#include "ConfigDescriptor.h"
/* Macros: */
/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
#define LEDMASK_USB_NOTREADY LEDS_LED1
/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
/** HID Report Type to indicate an IN report. */
#define REPORT_TYPE_IN 1
/** HID Report Type to indicate an OUT report. */
#define REPORT_TYPE_OUT 2
/** HID Report Type to indicate a FEATURE report. */
#define REPORT_TYPE_FEATURE 3
/* Function Prototypes: */
void SetupHardware(void);
void ReadNextReport(void);
void WriteNextReport(uint8_t* ReportOUTData,
const uint8_t ReportIndex,
const uint8_t ReportType,
uint16_t ReportLength);
void EVENT_USB_Host_HostError(const uint8_t ErrorCode);
void EVENT_USB_Host_DeviceAttached(void);
void EVENT_USB_Host_DeviceUnattached(void);
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
const uint8_t SubErrorCode);
void EVENT_USB_Host_DeviceEnumerationComplete(void);
#endif