146 lines
7.5 KiB
C
146 lines
7.5 KiB
C
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/*
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* Copyright (c) 2011, George Oikonomou - <oikonomou@users.sourceforge.net>
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* All rights reserved.
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*
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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
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, 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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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* 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 INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*/
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/**
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* \file
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*
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* \author
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* George Oikonomou - <oikonomou@users.sourceforge.net>
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*/
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#ifndef PORT_H_
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#define PORT_H_
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#include "cc253x.h"
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#include "sfr-bits.h"
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/*---------------------------------------------------------------------------*/
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/* Use these to configure your platform's hardware */
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#define PORT_FUNC_GPIO(port,pin) PORT_FUNC_GPIO_X(port,pin)
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#define PORT_FUNC_PER(port,pin) PORT_FUNC_PER_X(port,pin)
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#define PORT0_ANALOG_IO(pin) PORT0_ANALOG_IO_X(pin)
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#define PORT0_DIGITAL_IO(pin) PORT0_DIGITAL_IO_X(pin)
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#define PORT_SET(port,pin) PORT_SET_X(port,pin)
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#define PORT_CLEAR(port,pin) PORT_CLEAR_X(port,pin) PORT_CLEAR_X(port,pin)
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#define PORT_TOGGLE(port,pin) PORT_TOGGLE_X(port,pin) PORT_TOGGLE_X(port,pin)
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#define PORT_READ(port,pin) PORT_READ_X(port,pin)
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#define PORT_WRITE(port,pin,v) PORT_WRITE_X(port,pin,v)
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#define PORT_DIR_OUTPUT(port,pin) PORT_DIR_OUTPUT_X(port,pin)
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#define PORT_DIR_INPUT(port,pin) PORT_DIR_INPUT_X(port,pin)
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#define PORT_IRQ_ENABLE(port,pin) PORT_IRQ_ENABLE_X(port,pin)
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#define PORT_IRQ_DISABLE(port,pin) PORT_IRQ_DISABLE_X(port,pin)
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#define PORT_IRQ_ENABLED(port,pin) PORT_IRQ_ENABLED_X(port,pin)
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#define PORT_IRQ_CHECK(port,pin) PORT_IRQ_CHECK_X(port,pin)
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#define PORT_IRQ_EDGE_FALL(port,pin) PORT_IRQ_EDGE_FALL_X(port,pin)
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#define PORT_IRQ_EDGE_RISE(port,pin) PORT_IRQ_EDGE_RISE_X(port,pin)
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#define PORT_IRQ_FLAG_OFF(port,pin) PORT_IRQ_FLAG_OFF_X(port,pin)
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/*---------------------------------------------------------------------------*/
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/* Second Round of Macro Substitutions. Normally, you can stop reading here */
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/*---------------------------------------------------------------------------*/
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#define PORT_FUNC_GPIO_X(port,pin) do { P##port##SEL &= ~(1 << pin); } while(0)
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#define PORT_FUNC_PER_X(port,pin) do { P##port##SEL |= 1 << pin; } while(0)
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#define PORT0_ANALOG_IO_X(port,pin) do { APCFG |= 1 << pin; } while(0)
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#define PORT0_DIGITAL_IO_X(port,pin) do { APCFG &= ~(1 << pin); } while(0)
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#define PORT_SET_X(port,pin) do { P##port##_##pin = 1; } while(0)
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#define PORT_CLEAR_X(port,pin) do { P##port##_##pin = 0; } while(0)
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#define PORT_TOGGLE_X(port,pin) do { P##port##_##pin ^= 1; } while(0)
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#define PORT_READ_X(port,pin) (P##port##_##pin)
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#define PORT_WRITE_X(port,pin,v) do { P##port##_##pin = v;} while(0)
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#define PORT_DIR_OUTPUT_X(port,pin) do { P##port##DIR |= 1 << pin; } while(0)
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#define PORT_DIR_INPUT_X(port,pin) do { P##port##DIR &= ~(1 << pin); } while(0)
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#define PORT_IRQ_ENABLE_X(port,pin) do { \
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P##port##IEN |= 1 << pin; \
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PORT##port##_IRQ_ENABLE(); \
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} while(0)
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#define PORT_IRQ_DISABLE_X(port,pin) do { \
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P##port##IEN &= ~(1 << pin); \
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PORT##port##_IRQ_DISABLE(); \
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} while(0)
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#define PORT_IRQ_ENABLED_X(port,pin) (P##port##IEN & (1 << pin))
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#define PORT_IRQ_CHECK_X(port,pin) (P##port##IFG & (1 << pin))
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#define PORT_IRQ_EDGE_FALL_X(port,pin) PORT##port##_IRQ_EDGE_FALL(pin)
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#define PORT_IRQ_EDGE_RISE_X(port,pin) PORT##port##_IRQ_EDGE_RISE(pin)
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#define PORT_IRQ_FLAG_OFF_X(port,pin) do { \
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P##port##IFG &= ~(1 << pin); \
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P##port##IF = 0; \
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} while(0)
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/*---------------------------------------------------------------------------*/
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/* To handle SFR diversities
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* - P0IE is in IEN1, which is bit-addressable,
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* P1IE and P2IE are in IEN2, which is not bit-addressable
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* - Edge detection (rising / falling) config is uniform for all pins in
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* P0 and P2. For P1, low and high nibble bits are configured separately
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* - Pullup/Pulldown/Tristate is quite different for each port
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*
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* You won't have to invoke these macros directly
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*/
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#define PORT0_IRQ_ENABLE() do { P0IE = 1; } while(0)
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#define PORT0_IRQ_DISABLE() do { P0IE = 0; } while(0)
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#define PORT1_IRQ_ENABLE() PORT_IRQ_EN_X(1)
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#define PORT1_IRQ_DISABLE() PORT_IRQ_DIS_X(1)
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#define PORT2_IRQ_ENABLE() PORT_IRQ_EN_X(2)
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#define PORT2_IRQ_DISABLE() PORT_IRQ_DIS_X(2)
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#define PORT_IRQ_EN_X(port) do { IEN2 |= IEN2_P##port##IE; } while(0)
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#define PORT_IRQ_DIS_X(port) do { IEN2 &= ~IEN2_P##port##IE; } while(0)
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/*---------------------------------------------------------------------------*/
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#define PORT0_IRQ_EDGE_FALL(pin) PORT_IRQ_EDGE_F_X(0)
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#define PORT0_IRQ_EDGE_RISE(pin) PORT_IRQ_EDGE_R_X(0)
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#define PORT1_IRQ_EDGE_FALL(pin) PORT1_##pin##_IRQ_EDGE_F_X()
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#define PORT1_IRQ_EDGE_RISE(pin) PORT1_##pin##_IRQ_EDGE_R_X()
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#define PORT2_IRQ_EDGE_FALL(pin) PORT_IRQ_EDGE_F_X(2)
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#define PORT2_IRQ_EDGE_RISE(pin) PORT_IRQ_EDGE_R_X(2)
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/* Ports 0 & 2 */
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#define PORT_IRQ_EDGE_F_X(port) do { PICTL |= PICTL_P##port##ICON; } while(0)
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#define PORT_IRQ_EDGE_R_X(port) do { PICTL &= ~PICTL_P##port##ICON; } while(0)
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/* Port 1 - High Nibble */
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#define PORT1_7_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0)
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#define PORT1_7_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0)
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#define PORT1_6_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0)
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#define PORT1_6_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0)
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#define PORT1_5_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0)
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#define PORT1_5_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0)
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#define PORT1_4_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0)
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#define PORT1_4_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0)
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/* Port 1 - Low Nibble */
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#define PORT1_3_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0)
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#define PORT1_3_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0)
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#define PORT1_2_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0)
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#define PORT1_2_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0)
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#define PORT1_1_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0)
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#define PORT1_1_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0)
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#define PORT1_0_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0)
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#define PORT1_0_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0)
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/*---------------------------------------------------------------------------*/
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#endif /* __PORT_H__ */
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