From 249fa2dd7bcd8ed0be64a1a1b36da499d6bbaca1 Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Mon, 29 Apr 2019 09:31:55 -0400 Subject: base code, initial commit of code --- .gitignore | 4 ++++ LICENSE | 52 ---------------------------------------------------- Makefile | 24 ++++++++++++++++++++++++ board.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ board.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ main.c | 30 ++++++++++++++++++++++++++++++ 6 files changed, 152 insertions(+), 52 deletions(-) create mode 100644 .gitignore create mode 100644 Makefile create mode 100644 board.c create mode 100644 board.h create mode 100644 main.c diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..aebd027 --- /dev/null +++ b/.gitignore @@ -0,0 +1,4 @@ +.*.swp +.*.swo +*.o +*.elf diff --git a/LICENSE b/LICENSE index f288702..0a2daba 100644 --- a/LICENSE +++ b/LICENSE @@ -620,55 +620,3 @@ copy of the Program in return for a fee. END OF TERMS AND CONDITIONS - How to Apply These Terms to Your New Programs - - If you develop a new program, and you want it to be of the greatest -possible use to the public, the best way to achieve this is to make it -free software which everyone can redistribute and change under these terms. - - To do so, attach the following notices to the program. It is safest -to attach them to the start of each source file to most effectively -state the exclusion of warranty; and each file should have at least -the "copyright" line and a pointer to where the full notice is found. - - - Copyright (C) - - This program 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 - (at your option) any later version. - - This program 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 this program. If not, see . - -Also add information on how to contact you by electronic and paper mail. - - If the program does terminal interaction, make it output a short -notice like this when it starts in an interactive mode: - - Copyright (C) - This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, your program's commands -might be different; for a GUI interface, you would use an "about box". - - You should also get your employer (if you work as a programmer) or school, -if any, to sign a "copyright disclaimer" for the program, if necessary. -For more information on this, and how to apply and follow the GNU GPL, see -. - - The GNU General Public License does not permit incorporating your program -into proprietary programs. If your program is a subroutine library, you -may consider it more useful to permit linking proprietary applications with -the library. If this is what you want to do, use the GNU Lesser General -Public License instead of this License. But first, please read -. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..cdfb395 --- /dev/null +++ b/Makefile @@ -0,0 +1,24 @@ +CC = msp430-gcc +CFLAGS = -mmcu=msp430g2553 -std=gnu99 \ + -Os + +CSRC = board.c \ + main.c +COBJ = $(patsubst %.c, %.o, $(CSRC)) + +ELF = main.elf + +all: $(ELF) + +clean: + @echo " CLEAN" + @rm -f $(ELF) $(COBJ) + +$(ELF): $(COBJ) + @echo " CC " $@ + @$(CC) $(CFLAGS) $(COBJ) -o $(ELF) + +%.o: %.c + @echo " CC " $< + @$(CC) $(CFLAGS) -c $< -o $@ + diff --git a/board.c b/board.c new file mode 100644 index 0000000..26db473 --- /dev/null +++ b/board.c @@ -0,0 +1,47 @@ +/** + * @file board.c + * Provides board configuration and initialization. + * + * Copyright (C) 2019 Clyne Sullivan + * + * This program 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 + * (at your option) any later version. + * + * This program 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 this program. If not, see . + */ + +#include "board.h" + +static void boardInitWatchdog(void); +static void boardInitPins(void); + +void boardInit(void) +{ + boardInitWatchdog(); + boardInitPins(); +} + +void boardInitWatchdog(void) +{ + WDTCTL = WDTHOLD | WDTPW; +} + +void boardInitPins(void) +{ + // All pins are output + P1DIR = PORT1_PINS; + P2DIR = PORT2_PINS; + + // All pins should start at a low state + P1OUT = 0; + P2OUT = 0; +} + diff --git a/board.h b/board.h new file mode 100644 index 0000000..c521e7e --- /dev/null +++ b/board.h @@ -0,0 +1,47 @@ +/** + * @file board.h + * Provides board configuration and initialization. + * + * Copyright (C) 2019 Clyne Sullivan + * + * This program 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 + * (at your option) any later version. + * + * This program 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 this program. If not, see . + */ + +#ifndef BOARD_H_ +#define BOARD_H_ + +#include +#include + +// Port 1 pins +#define LED (1 << 0) +#define TEMP_SCL (1 << 6) +#define TEMP_SDA (1 << 7) + +#define PORT1_PINS (LED | TEMP_SCL | TEMP_SDA) + +// Port 2 pins +#define LCD_DAT (0x0F) +#define LCD_E (1 << 4) +#define LCD_RW (1 << 5) +#define LCD_RS (1 << 6) + +#define PORT2_PINS (LCD_DAT | LCD_E | LCD_RW | LCD_RS) + +/** + * Initializes pins and core functionality. + */ +void boardInit(void); + +#endif // BOARD_H_ diff --git a/main.c b/main.c new file mode 100644 index 0000000..ed788a5 --- /dev/null +++ b/main.c @@ -0,0 +1,30 @@ +/** + * @file main.c + * Main program entry point. + * + * Copyright (C) 2019 Clyne Sullivan + * + * This program 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 + * (at your option) any later version. + * + * This program 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 this program. If not, see . + */ + +#include "board.h" + +void main(void) +{ + // Prepare processor and IO + boardInit(); + + while (1); +} + -- cgit v1.2.3