aboutsummaryrefslogtreecommitdiff
path: root/examples
diff options
context:
space:
mode:
authorchrysn2012-04-17 00:07:26 +0200
committerchrysn2012-04-17 00:07:26 +0200
commitfac680ecf48c80e5373725038030a6677e368c66 (patch)
treeb37beb63d0cb7ba14816a395fb52f16202e5e27a /examples
parent0e62b15125c46b63913dd240d8cccefe510034d1 (diff)
very simple demo for other board
using efm32lib and hacked-together makefiles
Diffstat (limited to 'examples')
-rw-r--r--examples/efm32/tinygecko/olimex-em32-32g880f128-h/Makefile.include49
-rw-r--r--examples/efm32/tinygecko/olimex-em32-32g880f128-h/README14
-rw-r--r--examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/Makefile26
-rw-r--r--examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/README9
l---------examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/core_cm3.h1
l---------examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_cmu.c1
l---------examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_gpio.c1
-rw-r--r--examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/miniblink.c70
8 files changed, 171 insertions, 0 deletions
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/Makefile.include b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/Makefile.include
new file mode 100644
index 0000000..9dc18c4
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/Makefile.include
@@ -0,0 +1,49 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2012 chrysn <chrysn@fsfe.org>
+##
+## 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/>.
+##
+
+MCU = EFM32TG840F32
+FAMILY = GECKO
+
+include $(dir $(lastword $(MAKEFILE_LIST)))../Makefile.include
+
+# FIXME: i'd much rather have this in a heredoc, but heredocs are not that easy
+# in makefiles. furthermore, this isn't caught by the clean target. actually,
+# i'd very much prefer using openocd anyway, this would also get rid of the
+# Default.ini and JLink.log files jlink.sh drops.
+
+# just the next hack: jlink, as shipped in energy micro's
+# energyAwareToolsBeta_30082011.tgz, needs its LD_LIBRARY_PATH explicitly set.
+# it provides a wrapper script, but that fails to pass on arguments. set this
+# path to the energymicro folder extracted from the tools, and we'll take care
+# of the test
+JLINKDIR = ${HOME}/energymicro/energymicro
+
+$(BINARY)-upload.sh:
+ rm -f "$@"
+ echo "exec device = EFM32G880G128" >> "$@"
+ echo "exec EnableFlashDL" >> "$@"
+ echo "h" >> "$@"
+ echo "loadbin ${BINARY}.bin 0" >> "$@"
+ echo "r" >> "$@"
+ echo "go" >> "$@"
+ echo "q" >> "$@"
+ chmod +x "$@"
+
+upload: $(BINARY)-upload.sh $(BINARY).bin
+ LD_LIBRARY_PATH=$(JLINKDIR)/lib/ $(JLINKDIR)/bin/JLinkExe "$<" || echo "JLink exited with non-zero exit status, but that's normal."
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/README b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/README
new file mode 100644
index 0000000..7360a8c
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/README
@@ -0,0 +1,14 @@
+========================
+EM-32G880F128-H Examples
+========================
+
+Examples in this directory are designed to be run on the OlimexEM-32G880F128-H
+header breakout board, which is based on the EFM32G880F128 MCU.
+
+The board is equipped with two user LEDs, a user button, reset button, power
+supply, 20 pin debug connector and 10 pin UEXT connector (Olimex' open
+versatile microcontroller connector).
+
+The build system is designed to upload programs using the EFM32-TG-STK3300
+board's external Segger debugger, which has to be configured for external
+operation beforehand.
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/Makefile b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/Makefile
new file mode 100644
index 0000000..df8985a
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/Makefile
@@ -0,0 +1,26 @@
+##
+## This file is part of the libopencm3 project.
+##
+## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2012 chrysn <chrysn@fsfe.org>
+##
+## 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
+
+OBJS += efm32_gpio.o efm32_cmu.o
+CFLAGS += -I/tmp/EFM32_CMSIS_2.4.1/efm32lib/inc/ -I /tmp/EFM32_CMSIS_2.4.1/CMSIS/CM3/DeviceSupport/EnergyMicro/EFM32/ -DEFM32G880F128 -I.
+
+include ../Makefile.include
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/README b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/README
new file mode 100644
index 0000000..2500f4d
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/README
@@ -0,0 +1,9 @@
+====================================================
+EM32-32G880F128-H Examples miniblink-efm32lib README
+====================================================
+
+This is a port of the miniblink example to the efm32lib library.
+
+It's intended for the EM32-32G880F128-H eval board. It should blink LED1 on the
+board, just as the original miniblink example does.
+
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/core_cm3.h b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/core_cm3.h
new file mode 120000
index 0000000..b7a19ea
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/core_cm3.h
@@ -0,0 +1 @@
+../../efm32-tg-stk3300/miniblink-efm32lib/core_cm3.h \ No newline at end of file
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_cmu.c b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_cmu.c
new file mode 120000
index 0000000..168574b
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_cmu.c
@@ -0,0 +1 @@
+/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_cmu.c \ No newline at end of file
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_gpio.c b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_gpio.c
new file mode 120000
index 0000000..0b2df21
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/efm32_gpio.c
@@ -0,0 +1 @@
+/tmp/EFM32_CMSIS_2.4.1/efm32lib/src/efm32_gpio.c \ No newline at end of file
diff --git a/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/miniblink.c b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/miniblink.c
new file mode 100644
index 0000000..3838c94
--- /dev/null
+++ b/examples/efm32/tinygecko/olimex-em32-32g880f128-h/miniblink-efm32lib/miniblink.c
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2012 chrysn <chrysn@fsfe.org>
+ *
+ * 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 <efm32_cmu.h>
+#include <efm32_gpio.h>
+
+void led_setup(void);
+void led_toggle(void);
+
+/** @file
+ * Minimal example for making the User LED of the olimex EM32-32G880F128-H eval
+ * board blink.
+ */
+
+/**
+ * Toggle the User LED in an infinite loop, with time between the toggling
+ * determined by a busy loop stupidly counting up.
+ */
+
+int main(void)
+{
+ int x;
+
+ led_setup();
+
+ while(1) {
+ for(x = 0; x < 200000; ++x) asm("mov r0,r0"); /* no-op, prevent compiler from optimizing this away */
+ led_toggle();
+ };
+}
+
+/**
+ * Enable GPIO, and set up port E1 as an output pin, and inverted.
+ */
+
+void led_setup(void)
+{
+ // Before GPIO works, according to d0034_efm32tg_reference_manual.pdf
+ // note in section 28.3.7, we'll have to enable GPIO in CMU_HFPERCLKEN0
+
+ CMU->HFPERCLKEN0 |= _CMU_HFPERCLKEN0_GPIO_MASK;
+
+ // The User LED is connected to PD7 to the plus side of the LED
+ // according to t0011_efm32_tiny_gecko_stk_user_manual.pdf figures 16.2
+ // and 16.3 (called UIF_LED0)
+
+ GPIO_PinModeSet(gpioPortE, 1, gpioModePushPull, 0);
+}
+
+void led_toggle(void)
+{
+ GPIO_PinOutToggle(gpioPortE, 1);
+}