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atmel samd: initial blinky demo

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Uses the DEVICE linker and config generation style.
This commit is contained in:
Karl Palsson
2016-04-14 01:33:53 +00:00
parent b5fcf55005
commit 133a45b734
4 changed files with 103 additions and 0 deletions
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1
Makefile
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@@ -25,6 +25,7 @@ TARGETS += lpc/lpc13xx lpc/lpc17xx #lpc/lpc43xx
TARGETS += tiva/lm3s tiva/lm4f TARGETS += tiva/lm3s tiva/lm4f
TARGETS += efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg TARGETS += efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg
TARGETS += vf6xx TARGETS += vf6xx
TARGETS += sam/d
# Be silent per default, but 'make V=1' will show all compiler calls. # Be silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1) ifneq ($(V),1)

33
examples/sam/d/Makefile.include Normal file
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@@ -0,0 +1,33 @@
##
## This file is part of the libopencm3 project.
##
## This library is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This library 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 Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this library. If not, see <http://www.gnu.org/licenses/>.
##
# You should use linker script generation! Specify device!
ifeq ($(DEVICE),)
LIBNAME = opencm3_samd
DEFS += -DSAMD
FP_FLAGS ?= -msoft-float
ARCH_FLAGS = -mthumb -mcpu=cortex-m0plus $(FP_FLAGS)
endif
################################################################################
# OpenOCD specific variables
OOCD ?= openocd
OOCD_INTERFACE ?= cmsis-dap
OOCD_BOARD ?=
include ../../../../Makefile.rules

22
examples/sam/d/d10-xplained-mini/miniblink/Makefile Normal file
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@@ -0,0 +1,22 @@
##
## This file is part of the libopencm3 project.
##
## This library is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This library 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 Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this library. If not, see <http://www.gnu.org/licenses/>.
##
BINARY = miniblink
DEVICE = samd10d14
include ../../Makefile.include

47
examples/sam/d/d10-xplained-mini/miniblink/miniblink.c Normal file
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@@ -0,0 +1,47 @@
/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2016 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/sam/memorymap.h>
#include <libopencm3/sam/d/port.h>
// led is on PA09
static void gpio_setup(void)
{
PORT_DIR(PORTA) = (1<<9);
PORT_PINCFG(PORTA, 9) = 0;
}
int main(void)
{
int i, j;
gpio_setup();
while (1) {
for (j = 0; j < 10; j++) {
PORT_OUTTGL(PORTA) = 1<<9;
for (i = 0; i < (5000 + (j) * 10000); i++) { /* Wait a bit. */
__asm__("nop");
}
}
}
return 0;
}