Arti Zirk
244fdbc35c
subrepo: subdir: "libopencm3" merged: "f5813a54" upstream: origin: "https://github.com/libopencm3/libopencm3" branch: "master" commit: "f5813a54" git-subrepo: version: "0.4.3" origin: "???" commit: "???"
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2018 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/cm3/nvic.h>
|
|
#include <libopencm3/lm4f/gpio.h>
|
|
#include <libopencm3/lm4f/rcc.h>
|
|
#include <libopencm3/lm4f/systemcontrol.h>
|
|
|
|
#include <stdio.h>
|
|
#include "delay.h"
|
|
#include "usb-gadget0.h"
|
|
|
|
#define ER_DEBUG
|
|
#ifdef ER_DEBUG
|
|
#define ER_DPRINTF(fmt, ...) \
|
|
do { printf(fmt, ## __VA_ARGS__); } while (0)
|
|
#else
|
|
#define ER_DPRINTF(fmt, ...) \
|
|
do { } while (0)
|
|
#endif
|
|
|
|
|
|
/* FIXME - implement delay functionality for better test coverage */
|
|
void delay_setup(void) {
|
|
}
|
|
|
|
void delay_us(uint16_t us) {
|
|
(void)us;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
gpio_enable_ahb_aperture();
|
|
#define PLL_DIV_80MHZ 5
|
|
rcc_sysclk_config(OSCSRC_MOSC, XTAL_16M, PLL_DIV_80MHZ);
|
|
periph_clock_enable(RCC_GPIOD);
|
|
gpio_mode_setup(GPIOD, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO4 | GPIO5);
|
|
|
|
/* blue LED on board */
|
|
periph_clock_enable(RCC_GPIOF);
|
|
gpio_mode_setup(GPIOF, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO2);
|
|
gpio_set_output_config(GPIOF, GPIO_OTYPE_PP, GPIO_DRIVE_2MA, GPIO2);
|
|
|
|
usbd_device *usbd_dev = gadget0_init(&lm4f_usb_driver, "tilm4f120xl");
|
|
|
|
ER_DPRINTF("bootup complete\n");
|
|
while (1) {
|
|
gpio_set(GPIOF, GPIO2);
|
|
gadget0_run(usbd_dev);
|
|
gpio_clear(GPIOF, GPIO2);
|
|
}
|
|
|
|
}
|
|
|