kopia lustrzana https://github.com/hoglet67/RGBtoHDMI
57 wiersze
2.0 KiB
C
57 wiersze
2.0 KiB
C
/*
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Part of the Raspberry-Pi Bare Metal Tutorials
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Copyright (c) 2013-2015, Brian Sidebotham
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RPI_SYSTIMER_H
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#define RPI_SYSTIMER_H
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#include <stdint.h>
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#include "rpi-base.h"
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#define RPI_SYSTIMER_BASE ( PERIPHERAL_BASE + 0x3000 )
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typedef struct {
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volatile uint32_t control_status;
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volatile uint32_t counter_lo;
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volatile uint32_t counter_hi;
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volatile uint32_t compare0;
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volatile uint32_t compare1;
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volatile uint32_t compare2;
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volatile uint32_t compare3;
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} rpi_sys_timer_t;
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extern rpi_sys_timer_t* RPI_GetSystemTimer(void);
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extern void RPI_WaitMicroSeconds( uint32_t us );
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#define usleep(x) RPI_WaitMicroSeconds(x)
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#endif
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