From 7801cdf5a266d77a93495dc8aab28536d079cfa8 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Wed, 26 Jan 2011 21:14:54 +0100 Subject: Fancyblink example for Olimex STM32-H107 board. --- examples/stm32/stm32-h107/Makefile | 38 ++++++++++++++ examples/stm32/stm32-h107/fancyblink/Makefile | 23 +++++++++ examples/stm32/stm32-h107/fancyblink/README | 10 ++++ examples/stm32/stm32-h107/fancyblink/fancyblink.c | 59 ++++++++++++++++++++++ examples/stm32/stm32-h107/fancyblink/fancyblink.ld | 31 ++++++++++++ 5 files changed, 161 insertions(+) create mode 100644 examples/stm32/stm32-h107/Makefile create mode 100644 examples/stm32/stm32-h107/fancyblink/Makefile create mode 100644 examples/stm32/stm32-h107/fancyblink/README create mode 100644 examples/stm32/stm32-h107/fancyblink/fancyblink.c create mode 100644 examples/stm32/stm32-h107/fancyblink/fancyblink.ld (limited to 'examples/stm32/stm32-h107') diff --git a/examples/stm32/stm32-h107/Makefile b/examples/stm32/stm32-h107/Makefile new file mode 100644 index 0000000..c9edec3 --- /dev/null +++ b/examples/stm32/stm32-h107/Makefile @@ -0,0 +1,38 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 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 . +## + +# Be silent per default, but 'make V=1' will show all compiler calls. +ifneq ($(V),1) +Q := @ +# Do not print "Entering directory ...". +MAKEFLAGS += --no-print-directory +endif + +all: fancyblink + +fancyblink: + @printf " BUILD examples/stm32/stm32-h107/fancyblink\n" + $(Q)$(MAKE) -C fancyblink + +clean: + @printf " CLEAN examples/stm32/stm32-h107/fancyblink\n" + $(Q)$(MAKE) -C fancyblink clean + +.PHONY: fancyblink + diff --git a/examples/stm32/stm32-h107/fancyblink/Makefile b/examples/stm32/stm32-h107/fancyblink/Makefile new file mode 100644 index 0000000..1baec4d --- /dev/null +++ b/examples/stm32/stm32-h107/fancyblink/Makefile @@ -0,0 +1,23 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 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 = fancyblink + +include ../../Makefile.include + diff --git a/examples/stm32/stm32-h107/fancyblink/README b/examples/stm32/stm32-h107/fancyblink/README new file mode 100644 index 0000000..6f1ac39 --- /dev/null +++ b/examples/stm32/stm32-h107/fancyblink/README @@ -0,0 +1,10 @@ +------------------------------------------------------------------------------ +README +------------------------------------------------------------------------------ + +This is small LED blinking example program using libopencm3. + +It's intended for the ST STM32-based Olimex STM32-H107 eval board (see +http://olimex.com/dev/stm32-h107.html for details). It should blink +the LED on the board. + diff --git a/examples/stm32/stm32-h107/fancyblink/fancyblink.c b/examples/stm32/stm32-h107/fancyblink/fancyblink.c new file mode 100644 index 0000000..759b767 --- /dev/null +++ b/examples/stm32/stm32-h107/fancyblink/fancyblink.c @@ -0,0 +1,59 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (c) 2011 Damjan Marion + * + * 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 + +/* Set STM32 to 72 MHz. */ +void clock_setup(void) +{ + rcc_clock_setup_in_hse_8mhz_out_72mhz(); + + /* Enable GPIOC clock. */ + rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN); + +} + +void gpio_setup(void) +{ + /* Set GPIO12 (in GPIO port C) to 'output push-pull'. */ + gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, + GPIO_CNF_OUTPUT_PUSHPULL, GPIO6); + gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, + GPIO_CNF_OUTPUT_PUSHPULL, GPIO7); +} + +int main(void) +{ + int i; + + clock_setup(); + gpio_setup(); + + /* Blink the LEDs (PC6 and PC7) on the board. */ + while (1) { + gpio_toggle(GPIOC, GPIO6); /* STAT1 LED on/off */ + gpio_toggle(GPIOC, GPIO7); /* STAT2 LED on/off */ + for (i = 0; i < 8000000; i++) /* Wait a bit. */ + __asm__("nop"); + } + + return 0; +} diff --git a/examples/stm32/stm32-h107/fancyblink/fancyblink.ld b/examples/stm32/stm32-h107/fancyblink/fancyblink.ld new file mode 100644 index 0000000..6c9c766 --- /dev/null +++ b/examples/stm32/stm32-h107/fancyblink/fancyblink.ld @@ -0,0 +1,31 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 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 Olimex STM32-H107 (STM32F107VCT6, 256K flash, 64K RAM). */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_stm32.ld + -- cgit v1.2.3