/* * Copyright (c) 2011, George Oikonomou - * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * This file is part of the Contiki operating system. */ /** * \file * * \author * George Oikonomou - */ #ifndef PORT_H_ #define PORT_H_ #include "cc253x.h" #include "sfr-bits.h" /*---------------------------------------------------------------------------*/ /* Use these to configure your platform's hardware */ #define PORT_FUNC_GPIO(port,pin) PORT_FUNC_GPIO_X(port,pin) #define PORT_FUNC_PER(port,pin) PORT_FUNC_PER_X(port,pin) #define PORT0_ANALOG_IO(pin) PORT0_ANALOG_IO_X(pin) #define PORT0_DIGITAL_IO(pin) PORT0_DIGITAL_IO_X(pin) #define PORT_SET(port,pin) PORT_SET_X(port,pin) #define PORT_CLEAR(port,pin) PORT_CLEAR_X(port,pin) PORT_CLEAR_X(port,pin) #define PORT_TOGGLE(port,pin) PORT_TOGGLE_X(port,pin) PORT_TOGGLE_X(port,pin) #define PORT_READ(port,pin) PORT_READ_X(port,pin) #define PORT_WRITE(port,pin,v) PORT_WRITE_X(port,pin,v) #define PORT_DIR_OUTPUT(port,pin) PORT_DIR_OUTPUT_X(port,pin) #define PORT_DIR_INPUT(port,pin) PORT_DIR_INPUT_X(port,pin) #define PORT_IRQ_ENABLE(port,pin) PORT_IRQ_ENABLE_X(port,pin) #define PORT_IRQ_DISABLE(port,pin) PORT_IRQ_DISABLE_X(port,pin) #define PORT_IRQ_ENABLED(port,pin) PORT_IRQ_ENABLED_X(port,pin) #define PORT_IRQ_CHECK(port,pin) PORT_IRQ_CHECK_X(port,pin) #define PORT_IRQ_EDGE_FALL(port,pin) PORT_IRQ_EDGE_FALL_X(port,pin) #define PORT_IRQ_EDGE_RISE(port,pin) PORT_IRQ_EDGE_RISE_X(port,pin) #define PORT_IRQ_FLAG_OFF(port,pin) PORT_IRQ_FLAG_OFF_X(port,pin) /*---------------------------------------------------------------------------*/ /* Second Round of Macro Substitutions. Normally, you can stop reading here */ /*---------------------------------------------------------------------------*/ #define PORT_FUNC_GPIO_X(port,pin) do { P##port##SEL &= ~(1 << pin); } while(0) #define PORT_FUNC_PER_X(port,pin) do { P##port##SEL |= 1 << pin; } while(0) #define PORT0_ANALOG_IO_X(port,pin) do { APCFG |= 1 << pin; } while(0) #define PORT0_DIGITAL_IO_X(port,pin) do { APCFG &= ~(1 << pin); } while(0) #define PORT_SET_X(port,pin) do { P##port##_##pin = 1; } while(0) #define PORT_CLEAR_X(port,pin) do { P##port##_##pin = 0; } while(0) #define PORT_TOGGLE_X(port,pin) do { P##port##_##pin ^= 1; } while(0) #define PORT_READ_X(port,pin) (P##port##_##pin) #define PORT_WRITE_X(port,pin,v) do { P##port##_##pin = v;} while(0) #define PORT_DIR_OUTPUT_X(port,pin) do { P##port##DIR |= 1 << pin; } while(0) #define PORT_DIR_INPUT_X(port,pin) do { P##port##DIR &= ~(1 << pin); } while(0) #define PORT_IRQ_ENABLE_X(port,pin) do { \ P##port##IEN |= 1 << pin; \ PORT##port##_IRQ_ENABLE(); \ } while(0) #define PORT_IRQ_DISABLE_X(port,pin) do { \ P##port##IEN &= ~(1 << pin); \ PORT##port##_IRQ_DISABLE(); \ } while(0) #define PORT_IRQ_ENABLED_X(port,pin) (P##port##IEN & (1 << pin)) #define PORT_IRQ_CHECK_X(port,pin) (P##port##IFG & (1 << pin)) #define PORT_IRQ_EDGE_FALL_X(port,pin) PORT##port##_IRQ_EDGE_FALL(pin) #define PORT_IRQ_EDGE_RISE_X(port,pin) PORT##port##_IRQ_EDGE_RISE(pin) #define PORT_IRQ_FLAG_OFF_X(port,pin) do { \ P##port##IFG &= ~(1 << pin); \ P##port##IF = 0; \ } while(0) /*---------------------------------------------------------------------------*/ /* To handle SFR diversities * - P0IE is in IEN1, which is bit-addressable, * P1IE and P2IE are in IEN2, which is not bit-addressable * - Edge detection (rising / falling) config is uniform for all pins in * P0 and P2. For P1, low and high nibble bits are configured separately * - Pullup/Pulldown/Tristate is quite different for each port * * You won't have to invoke these macros directly */ #define PORT0_IRQ_ENABLE() do { P0IE = 1; } while(0) #define PORT0_IRQ_DISABLE() do { P0IE = 0; } while(0) #define PORT1_IRQ_ENABLE() PORT_IRQ_EN_X(1) #define PORT1_IRQ_DISABLE() PORT_IRQ_DIS_X(1) #define PORT2_IRQ_ENABLE() PORT_IRQ_EN_X(2) #define PORT2_IRQ_DISABLE() PORT_IRQ_DIS_X(2) #define PORT_IRQ_EN_X(port) do { IEN2 |= IEN2_P##port##IE; } while(0) #define PORT_IRQ_DIS_X(port) do { IEN2 &= ~IEN2_P##port##IE; } while(0) /*---------------------------------------------------------------------------*/ #define PORT0_IRQ_EDGE_FALL(pin) PORT_IRQ_EDGE_F_X(0) #define PORT0_IRQ_EDGE_RISE(pin) PORT_IRQ_EDGE_R_X(0) #define PORT1_IRQ_EDGE_FALL(pin) PORT1_##pin##_IRQ_EDGE_F_X() #define PORT1_IRQ_EDGE_RISE(pin) PORT1_##pin##_IRQ_EDGE_R_X() #define PORT2_IRQ_EDGE_FALL(pin) PORT_IRQ_EDGE_F_X(2) #define PORT2_IRQ_EDGE_RISE(pin) PORT_IRQ_EDGE_R_X(2) /* Ports 0 & 2 */ #define PORT_IRQ_EDGE_F_X(port) do { PICTL |= PICTL_P##port##ICON; } while(0) #define PORT_IRQ_EDGE_R_X(port) do { PICTL &= ~PICTL_P##port##ICON; } while(0) /* Port 1 - High Nibble */ #define PORT1_7_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0) #define PORT1_7_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0) #define PORT1_6_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0) #define PORT1_6_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0) #define PORT1_5_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0) #define PORT1_5_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0) #define PORT1_4_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONH; } while(0) #define PORT1_4_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONH; } while(0) /* Port 1 - Low Nibble */ #define PORT1_3_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0) #define PORT1_3_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0) #define PORT1_2_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0) #define PORT1_2_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0) #define PORT1_1_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0) #define PORT1_1_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0) #define PORT1_0_IRQ_EDGE_F_X() do { PICTL |= PICTL_P1ICONL; } while(0) #define PORT1_0_IRQ_EDGE_R_X() do { PICTL &= ~PICTL_P1ICONL; } while(0) /*---------------------------------------------------------------------------*/ #endif /* PORT_H_ */