mirror of
https://github.com/RIOT-OS/RIOT.git
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e381317fbf
cpu, nrf5x_common: fix sign-compare in periph/flashpage
drivers, periph_common: fix sign-compare in flashpage
cpu, sam0_common: fix sign-compare error in periph/gpio
cpu, cc2538: fix sign-compare in periph/timer
cpu, sam3: fix sign-compare in periph/gpio
cpu, stm32_common: fix sign-compare in periph/pwm
cpu, stm32_common: fix sign-compare in periph/timer
cpu, stm32_common: fix sign-compare in periph/flashpage
cpu, nrf5x_common: fix sign-compare in radio/nrfmin
cpu, samd21: fix sign-compare in periph/pwm
cpu, ezr32wg: fix sign-compare in periph/gpio
cpu, ezr32wg: fix sign-compare in periph/timer
drivers, ethos: fix sign-compare
sys, net: fix sign-compare
cpu, atmega_common: fix sign-compare error
cpu, msp430fxyz: fix sign-compare in periph/gpio
boards, msb-430-common: fix sign-compare in board_init
driver, cc2420: fix sign-compared
sys/net: fix sign-compare in gnrc_tftp
driver, pcd8544: fix sign-compare
driver, pn532: fix sign-compare
driver, sdcard_spi: fix sign-compare
tests: fix sign_compare
sys/net, lwmac: fix sign_compare
pkg, lwip: fix sign-compare
boards, waspmote: make CORECLOCK unsigned long to fix sign_compare error
tests, sock_ip: fix sign compare
tests, msg_avail: fix sign compare
tests, sock_udp: fix sign compare
boards: fix sign-compare for calliope and microbit matrix
170 lines
4.5 KiB
C
170 lines
4.5 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin, Hinnerk van Bruinehsen
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* 2016 Laurent Navet <laurent.navet@gmail.com>
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* 2017 HAW Hamburg, Dimitri Nahm
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup boards_arduino-atmega-common
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* @{
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*
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* @file
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* @brief Common configuration of MCU periphery for Arduino Atmega boards
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*
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* @author Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
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* @author Laurent Navet <laurent.navet@gmail.com>
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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* @author Dimitri Nahm <dimitri.nahm@haw-hamburg.de>
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*/
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#ifndef PERIPH_CONF_H
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#define PERIPH_CONF_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Clock configuration
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* @{
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*/
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#define CLOCK_CORECLOCK (16000000UL)
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/** @} */
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/**
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* @name Timer configuration
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*
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* arduino uno and arduino duemilanove:
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* The timer driver only supports the 16-bit timer (Timer1)
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* so this is the only one we can use here.
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*
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* arduino mega2560:
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* The timer driver only supports the four 16-bit timers (Timer1, Timer3,
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* Timer4, Timer5), so those are the only onces we can use here.
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*
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* @{
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*/
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#ifdef CPU_ATMEGA328P
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#define TIMER_NUMOF (2U)
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#define TIMER_0 MEGA_TIMER1
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#define TIMER_0_MASK &TIMSK1
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#define TIMER_0_FLAG &TIFR1
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#define TIMER_0_ISRA TIMER1_COMPA_vect
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#define TIMER_0_ISRB TIMER1_COMPB_vect
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#endif
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#ifdef CPU_ATMEGA2560
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#define TIMER_NUMOF (2U)
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#define TIMER_0 MEGA_TIMER1
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#define TIMER_0_MASK &TIMSK1
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#define TIMER_0_FLAG &TIFR1
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#define TIMER_0_ISRA TIMER1_COMPA_vect
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#define TIMER_0_ISRB TIMER1_COMPB_vect
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#define TIMER_0_ISRC TIMER1_COMPC_vect
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#define TIMER_1 MEGA_TIMER4
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#define TIMER_1_MASK &TIMSK4
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#define TIMER_1_FLAG &TIFR4
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#define TIMER_1_ISRA TIMER4_COMPA_vect
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#define TIMER_1_ISRB TIMER4_COMPB_vect
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#define TIMER_1_ISRC TIMER4_COMPC_vect
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#endif
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/** @} */
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/**
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* @name UART configuration
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*
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* The UART devices have fixed pin mappings, so all we need to do, is to specify
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* which devices we would like to use and their corresponding RX interrupts. See
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* the reference manual for the fixed pin mapping.
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*
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* @{
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*/
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#ifdef CPU_ATMEGA328P
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#define UART_NUMOF (1U)
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#define UART_0 MEGA_UART0
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#define UART_0_ISR USART_RX_vect
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#endif
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#ifdef CPU_ATMEGA2560
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#define UART_NUMOF (4U)
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#define UART_0 MEGA_UART0
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#define UART_0_ISR USART0_RX_vect
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#define UART_1 MEGA_UART1
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#define UART_1_ISR USART1_RX_vect
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#define UART_2 MEGA_UART2
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#define UART_2_ISR USART2_RX_vect
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#define UART_3 MEGA_UART3
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#define UART_3_ISR USART3_RX_vect
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#endif
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/** @} */
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/**
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* @name SPI configuration
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*
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* The atmega2560/atmega1281/atmega328p has only one hardware SPI with fixed pin
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* configuration, so all we can do here, is to enable or disable it...
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*
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* The fixed pins for arduino uno and duemilanove (atmega328p) are:
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* MOSI - PB3 (Arduino pin 11)
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* MISO - PB4 (Arduino pin 12)
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* SCK - PB5 (Arduino pin 13)
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* SS - PB2 (Arduino pin 10) -> this pin is configured as output, but not used
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*
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* The fixed pins for arduino-mega2560 and atmega1281 are:
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* MOSI - PB2 (Arduino pin 51)
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* MISO - PB3 (Arduino pin 50)
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* SCK - PB1 (Arduino pin 52)
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* SS - PB0 (Arduino pin 53) -> this pin is configured as output, but not used
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*
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* The SS pin must be configured as output for the SPI device to work as
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* master correctly, though we do not use it for now (as we handle the chip
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* select externally for now)
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*
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* @{
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*/
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#define SPI_NUMOF 1 /* set to 0 to disable SPI */
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/** @} */
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/**
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* @name I2C configuration
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* @{
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*/
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#define I2C_NUMOF 1
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/** @} */
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/**
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* @name ADC configuration
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*
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* The number of ADC channels of the atmega328p depends on the package:
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* - 6-channel 10-bit ADC in PDIP package
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* - 8-channel 10-bit ADC in TQFP and QFN/MLF package
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* Arduino UNO / Duemilanove has thereby 6 channels. But only 5 channels can be
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* used for ADC, because the pin of ADC5 emulate a software triggered interrupt.
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* -> boards -> arduino-atmega-common -> include -> board_common.h
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* @{
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*/
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#if defined (CPU_ATMEGA328P) || defined (CPU_ATMEGA1281)
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#define ADC_NUMOF (8U)
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#elif defined (CPU_ATMEGA2560)
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#define ADC_NUMOF (16U)
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#endif
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CONF_H */
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