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Initial commit.

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This commit is contained in:
Piotr Esden-Tempski
2013-04-19 17:19:32 -07:00
commit 9d5526f773
324 changed files with 22845 additions and 0 deletions
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3
examples/stm32/f2/jobygps/jobygps.cfg Normal file
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reset_config srst_only srst_push_pull
source [find target/stm32f2x.cfg]

32
examples/stm32/f2/jobygps/jobygps.ld Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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/>.
*/
/* TODO: Fix board name, chip name, and sizes. */
/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */
/* Define memory regions. */
MEMORY
{
rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
}
/* Include the common ld script. */
INCLUDE libopencm3_stm32f2.ld

25
examples/stm32/f2/jobygps/miniblink/Makefile Normal file
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##
## This file is part of the libopencm3 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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
LDSCRIPT = ../jobygps.ld
include ../../Makefile.include

6
examples/stm32/f2/jobygps/miniblink/README Normal file
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------------------------------------------------------------------------------
README
------------------------------------------------------------------------------
This is the smallest-possible example program using libopencm3.

52
examples/stm32/f2/jobygps/miniblink/miniblink.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
*
* 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/stm32/f2/rcc.h>
#include <libopencm3/stm32/f2/gpio.h>
static void gpio_setup(void)
{
/* Enable GPIOC clock. */
rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPCEN);
/* Set GPIO3 and GPIO4 (in GPIO port C) to 'output push-pull'. */
gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO3 | GPIO4);
}
int main(void)
{
int i;
gpio_setup();
gpio_set(GPIOC, GPIO3);
gpio_clear(GPIOC, GPIO4);
/* Blink the LEDs (PC3, PC4) on the board. */
while (1) {
/* Using API function gpio_toggle(): */
gpio_toggle(GPIOC, GPIO3);
gpio_toggle(GPIOC, GPIO4);
for (i = 0; i < 800000; i++) /* Wait a bit. */
__asm__("nop");
}
return 0;
}

25
examples/stm32/f2/jobygps/spi_test/Makefile Normal file
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##
## This file is part of the libopencm3 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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 = spi_test
LDSCRIPT = ../jobygps.ld
include ../../Makefile.include

115
examples/stm32/f2/jobygps/spi_test/spi_test.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
* Copyright (C) 2011 Henry Hallam <henry@pericynthion.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 <stdio.h>
#include <errno.h>
#include <libopencm3/stm32/spi.h>
#include <libopencm3/stm32/usart.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/stm32/f2/gpio.h>
#include <libopencm3/stm32/f2/rcc.h>
int _write(int file, char *ptr, int len);
static void clock_setup(void)
{
/* Enable clocks on all the peripherals we are going to use. */
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_SPI2EN);
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
rcc_peripheral_enable_clock(&RCC_AHB1ENR,
RCC_AHB1ENR_IOPCEN | RCC_AHB1ENR_IOPAEN | RCC_AHB1ENR_IOPBEN);
}
static void spi_setup(void)
{
gpio_mode_setup(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO13 | GPIO14 | GPIO15);
gpio_set_af(GPIOB, GPIO_AF5, GPIO13 | GPIO14 | GPIO15);
/* Setup SPI parameters. */
spi_init_master(SPI2, SPI_CR1_BAUDRATE_FPCLK_DIV_256, SPI_CR1_CPOL,
SPI_CR1_CPHA, SPI_CR1_DFF_8BIT, SPI_CR1_MSBFIRST);
spi_enable_ss_output(SPI2); /* Required, see NSS, 25.3.1 section. */
/* Finally enable the SPI. */
spi_enable(SPI2);
}
static void usart_setup(void)
{
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO9);
gpio_set_af(GPIOA, GPIO_AF7, GPIO9 | GPIO10);
/* Setup UART parameters. */
usart_set_baudrate(USART1, 9600);
usart_set_databits(USART1, 8);
usart_set_stopbits(USART1, USART_STOPBITS_1);
usart_set_parity(USART1, USART_PARITY_NONE);
usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
usart_set_mode(USART1, USART_MODE_TX);
/* Finally enable the USART. */
usart_enable(USART1);
}
static void gpio_setup(void)
{
gpio_set(GPIOC, GPIO3);
/* Setup GPIO3 (in GPIO port C) for LED use. */
gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_MODE_OUTPUT, GPIO3);
}
int _write(int file, char *ptr, int len)
{
int i;
if (file == 1) {
for (i = 0; i < len; i++)
usart_send_blocking(USART1, ptr[i]);
return i;
}
errno = EIO;
return -1;
}
int main(void)
{
int counter = 0;
volatile u16 dummy __attribute__((unused));
clock_setup();
gpio_setup();
usart_setup();
spi_setup();
while (1) {
counter++;
printf("Hello, world! %i\r\n", counter);
/* Stops RX buffer overflow, but probably not needed. */
dummy = spi_read(SPI2);
spi_send(SPI2, (u8) counter);
gpio_toggle(GPIOC, GPIO3);
}
while (1);
return 0;
}

25
examples/stm32/f2/jobygps/usart_printf/Makefile Normal file
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##
## This file is part of the libopencm3 project.
##
## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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 = usart_printf
LDSCRIPT = ../jobygps.ld
include ../../Makefile.include

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examples/stm32/f2/jobygps/usart_printf/usart_printf.c Normal file
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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>,
* Copyright (C) 2011 Piotr Esden-Tempski <piotr@esden.net>
*
* 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 <stdio.h>
#include <errno.h>
#include <libopencm3/stm32/f2/gpio.h>
#include <libopencm3/stm32/usart.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/stm32/f2/rcc.h>
int _write(int file, char *ptr, int len);
static void clock_setup(void)
{
/* Enable clocks on all the peripherals we are going to use. */
rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
rcc_peripheral_enable_clock(&RCC_AHB1ENR,
RCC_AHB1ENR_IOPCEN | RCC_AHB1ENR_IOPAEN);
}
static void usart_setup(void)
{
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO9);
gpio_set_af(GPIOA, GPIO_AF7, GPIO9 | GPIO10);
/* Setup UART parameters. */
usart_set_baudrate(USART1, 9600);
usart_set_databits(USART1, 8);
usart_set_stopbits(USART1, USART_STOPBITS_1);
usart_set_parity(USART1, USART_PARITY_NONE);
usart_set_flow_control(USART1, USART_FLOWCONTROL_NONE);
usart_set_mode(USART1, USART_MODE_TX);
/* Finally enable the USART. */
usart_enable(USART1);
}
static void gpio_setup(void)
{
gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_MODE_OUTPUT, GPIO3);
gpio_set(GPIOC, GPIO3);
}
int _write(int file, char *ptr, int len)
{
int i;
if (file == 1) {
for (i = 0; i < len; i++)
usart_send_blocking(USART1, ptr[i]);
return i;
}
errno = EIO;
return -1;
}
int main(void)
{
int counter = 0;
float fcounter = 0.0;
double dcounter = 0.0;
clock_setup();
gpio_setup();
usart_setup();
/*
* Write Hello World an integer, float and double all over
* again while incrementing the numbers.
*/
while (1) {
gpio_toggle(GPIOC, GPIO3);
printf("Hello World! %i %f %f\r\n", counter, fcounter,
dcounter);
counter++;
fcounter += 0.01;
dcounter += 0.01;
}
return 0;
}