From 8a3afb46e4b525137538b80f27fa100e2951ce2f Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Tue, 3 Jun 2014 19:02:16 +0200 Subject: added serialio library --- lib/serialio.c | 44 ++++++++++++++++++++++++++++++++ lib/serialio.h | 32 +++++++++++++++++++++++ serial-led/Makefile | 32 +++++++++++++++++++++++ serial-led/serial-led.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 175 insertions(+) create mode 100644 lib/serialio.c create mode 100644 lib/serialio.h create mode 100644 serial-led/Makefile create mode 100644 serial-led/serial-led.c diff --git a/lib/serialio.c b/lib/serialio.c new file mode 100644 index 0000000..fde2935 --- /dev/null +++ b/lib/serialio.c @@ -0,0 +1,44 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2014 Christian Pointner + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * spreadspace avr utils is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with spreadspace avr utils. If not, see . + */ + +#include + +#include "serialio.h" +#include "LUFA/Drivers/Peripheral/Serial.h" + +static FILE serial_stream; + +void serialio_init(const uint32_t baudrate, const uint8_t doublespeed) +{ + Serial_Init(baudrate, doublespeed); + Serial_CreateStream(&serial_stream); + stdin = stdout = stderr = &serial_stream; +} + +void serialio_task(void) +{ +} + +int16_t serialio_bytes_received(void) +{ + return (int16_t)Serial_IsCharReceived(); +} diff --git a/lib/serialio.h b/lib/serialio.h new file mode 100644 index 0000000..3b0781e --- /dev/null +++ b/lib/serialio.h @@ -0,0 +1,32 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2014 Christian Pointner + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * spreadspace avr utils is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with spreadspace avr utils. If not, see . + */ + +#ifndef SPREADAVR_serialio_h_INCLUDED +#define SPREADAVR_serialio_h_INCLUDED + +#include + +void serialio_init(const uint32_t baudrate, const uint8_t doublespeed); +void serialio_task(void); +int16_t serialio_bytes_received(void); + +#endif diff --git a/serial-led/Makefile b/serial-led/Makefile new file mode 100644 index 0000000..0ed9dd3 --- /dev/null +++ b/serial-led/Makefile @@ -0,0 +1,32 @@ +## +## spreadspace avr utils +## +## +## Copyright (C) 2013 Christian Pointner +## +## This file is part of spreadspace avr utils. +## +## spreadspace avr utils is free software: you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## any later version. +## +## spreadspace avr utils is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with spreadspace avr utils. If not, see . +## + +NAME := serial-led +BOARD_TYPE := slowpandongle1 +OBJ := $(NAME).o +LIBS := util led serialio +EXTERNAL_LIBS := lufa + +LUFA_PATH := ../contrib/LUFA-120219 +LUFA_COMPONENTS := SERIAL + +include ../include.mk diff --git a/serial-led/serial-led.c b/serial-led/serial-led.c new file mode 100644 index 0000000..d57636e --- /dev/null +++ b/serial-led/serial-led.c @@ -0,0 +1,67 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2013 Christian Pointner + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * spreadspace avr utils is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with spreadspace avr utils. If not, see . + */ + + +#include +#include +#include +#include +#include + +#include "util.h" +#include "led.h" +#include "serialio.h" + +void handle_cmd(uint8_t cmd) +{ + switch(cmd) { + case '0': led_off(); break; + case '1': led_on(); break; + case 't': led_toggle(); break; + case 'r': reset2bootloader(); break; + default: printf("error\r\n"); return; + } + printf("ok\r\n"); +} + +int main(void) +{ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + cpu_init(); + led_init(); + serialio_init(9600, 0); + sei(); + + for(;;) { + int16_t BytesReceived = serialio_bytes_received(); + while(BytesReceived > 0) { + int ReceivedByte = fgetc(stdin); + if(ReceivedByte != EOF) { + handle_cmd(ReceivedByte); + } + BytesReceived--; + } + serialio_task(); + } +} -- cgit v1.2.3