71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2018 Karl Palsson <karlp@tweak.net.au>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/cm3/nvic.h>
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#include <libopencm3/lm4f/gpio.h>
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#include <libopencm3/lm4f/rcc.h>
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#include <libopencm3/lm4f/systemcontrol.h>
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#include <stdio.h>
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#include "delay.h"
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#include "usb-gadget0.h"
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#define ER_DEBUG
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#ifdef ER_DEBUG
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#define ER_DPRINTF(fmt, ...) \
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do { printf(fmt, ## __VA_ARGS__); } while (0)
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#else
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#define ER_DPRINTF(fmt, ...) \
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do { } while (0)
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#endif
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/* FIXME - implement delay functionality for better test coverage */
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void delay_setup(void) {
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}
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void delay_us(uint16_t us) {
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(void)us;
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}
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int main(void)
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{
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gpio_enable_ahb_aperture();
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#define PLL_DIV_80MHZ 5
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rcc_sysclk_config(OSCSRC_MOSC, XTAL_16M, PLL_DIV_80MHZ);
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periph_clock_enable(RCC_GPIOD);
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gpio_mode_setup(GPIOD, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO4 | GPIO5);
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/* blue LED on board */
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periph_clock_enable(RCC_GPIOF);
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gpio_mode_setup(GPIOF, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO2);
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gpio_set_output_config(GPIOF, GPIO_OTYPE_PP, GPIO_DRIVE_2MA, GPIO2);
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usbd_device *usbd_dev = gadget0_init(&lm4f_usb_driver, "tilm4f120xl");
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ER_DPRINTF("bootup complete\n");
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while (1) {
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gpio_set(GPIOF, GPIO2);
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gadget0_run(usbd_dev);
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gpio_clear(GPIOF, GPIO2);
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}
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}
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