grbl-LPC-CoreXY/grbl-lpc/delay.cpp

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2017-01-08 05:30:48 +01:00
// Copyright 2017 Todd Fleming
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include "delay.h"
void delay_init()
{
LPC_TIM3->CTCR = 0; // timer mode
LPC_TIM3->PR = 0; // no prescale
LPC_TIM3->MCR = 0; // no MR actions
LPC_TIM3->CCR = 0; // no capture
LPC_TIM3->EMR = 0; // no external match
LPC_TIM3->TCR = 0b10; // reset
LPC_TIM3->TCR = 0b01; // enable
}