From 769a932f3ec147bddbf488a88214dfb12a4eed78 Mon Sep 17 00:00:00 2001 From: Gareth McMullin Date: Fri, 4 Feb 2011 22:47:51 +1300 Subject: Added initial support for the LuminaryMicro LM3S family. --- examples/lm3s/lm3s3748-evb/miniblink/Makefile | 23 ++++++++++ examples/lm3s/lm3s3748-evb/miniblink/README | 9 ++++ examples/lm3s/lm3s3748-evb/miniblink/miniblink.c | 52 +++++++++++++++++++++++ examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld | 31 ++++++++++++++ 4 files changed, 115 insertions(+) create mode 100644 examples/lm3s/lm3s3748-evb/miniblink/Makefile create mode 100644 examples/lm3s/lm3s3748-evb/miniblink/README create mode 100644 examples/lm3s/lm3s3748-evb/miniblink/miniblink.c create mode 100644 examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld (limited to 'examples/lm3s/lm3s3748-evb/miniblink') diff --git a/examples/lm3s/lm3s3748-evb/miniblink/Makefile b/examples/lm3s/lm3s3748-evb/miniblink/Makefile new file mode 100644 index 0000000..110e69e --- /dev/null +++ b/examples/lm3s/lm3s3748-evb/miniblink/Makefile @@ -0,0 +1,23 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2010 Uwe Hermann +## +## 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 . +## + +BINARY = miniblink + +include ../../Makefile.include + diff --git a/examples/lm3s/lm3s3748-evb/miniblink/README b/examples/lm3s/lm3s3748-evb/miniblink/README new file mode 100644 index 0000000..79f3941 --- /dev/null +++ b/examples/lm3s/lm3s3748-evb/miniblink/README @@ -0,0 +1,9 @@ +------------------------------------------------------------------------------ +README +------------------------------------------------------------------------------ + +This is the smallest-possible example program using libopencm3. + +It's intended for the LuminaryMicro LM3S3748-EVB. +It should blink the STATUS LED on the board. + diff --git a/examples/lm3s/lm3s3748-evb/miniblink/miniblink.c b/examples/lm3s/lm3s3748-evb/miniblink/miniblink.c new file mode 100644 index 0000000..d52dc20 --- /dev/null +++ b/examples/lm3s/lm3s3748-evb/miniblink/miniblink.c @@ -0,0 +1,52 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2011 Gareth McMullin + * + * 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 +#include + +void gpio_setup(void) +{ + SYSTEMCONTROL_RCGC2 |= 0x20; /* Enable GPIOF in run mode. */ + + GPIO_DIR(GPIOF) |= (1 << 0); /* Configure PF0 as output. */ + GPIO_DEN(GPIOF) |= (1 << 0); /* Enable digital function on PF0 */ +} + +int main(void) +{ + int i; + + gpio_setup(); + + /* Blink STATUS LED (PF0) on the board. */ + while (1) { + gpio_set(GPIOF, GPIO0); + + for (i = 0; i < 800000; i++) /* Wait a bit. */ + __asm__("nop"); + + gpio_clear(GPIOF, GPIO0); + + for (i = 0; i < 800000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + return 0; +} + diff --git a/examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld b/examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld new file mode 100644 index 0000000..114fc85 --- /dev/null +++ b/examples/lm3s/lm3s3748-evb/miniblink/miniblink.ld @@ -0,0 +1,31 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Uwe Hermann + * + * 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 . + */ + +/* Linker script for LM3S3748-EVB */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00000000, LENGTH = 128K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_lm3s.ld + -- cgit v1.2.3