lora-car/libopencm3/tests/gadget-zero/main-tilm4f120xl.c

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/*
* 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);
}
}