tests: gadget0: add stm32f3-disco
Another readily available board with a user USB port, and this one lets you test the st usbfs peripheral on a device with trace facilities.
This commit is contained in:
parent
b25a1ae0eb
commit
dc64929b78
|
@ -0,0 +1,44 @@
|
|||
##
|
||||
## This file is part of the libopencm3 project.
|
||||
##
|
||||
## 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/>.
|
||||
##
|
||||
|
||||
BOARD = stm32f3-disco
|
||||
PROJECT = usb-gadget0-$(BOARD)
|
||||
BUILD_DIR = bin-$(BOARD)
|
||||
|
||||
SHARED_DIR = ../shared
|
||||
|
||||
CFILES = main-$(BOARD).c
|
||||
CFILES += usb-gadget0.c trace.c trace_stdio.c
|
||||
CFILES += delay.c
|
||||
|
||||
VPATH += $(SHARED_DIR)
|
||||
|
||||
INCLUDES += $(patsubst %,-I%, . $(SHARED_DIR))
|
||||
|
||||
OPENCM3_DIR=../..
|
||||
|
||||
### This section can go to an arch shared rules eventually...
|
||||
LDSCRIPT = ../../lib/stm32/f3/stm32f303xc.ld
|
||||
OPENCM3_LIB = opencm3_stm32f3
|
||||
OPENCM3_DEFS = -DSTM32F3
|
||||
FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16
|
||||
ARCH_FLAGS = -mthumb -mcpu=cortex-m4 $(FP_FLAGS)
|
||||
#OOCD_INTERFACE = stlink-v2
|
||||
#OOCD_TARGET = stm32f3x
|
||||
OOCD_FILE = openocd.stm32f3-disco.cfg
|
||||
|
||||
include ../rules.mk
|
|
@ -0,0 +1,93 @@
|
|||
/*
|
||||
* This file is part of the libopencm3 project.
|
||||
*
|
||||
* Copyright (C) 2015 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/>.
|
||||
*/
|
||||
|
||||
/* "generic" could be any L1 board, but this file is pre-configured for the
|
||||
* libopencm3-tests "hw1" board, with an stm32l151c8-A part.
|
||||
*/
|
||||
|
||||
#include <libopencm3/cm3/nvic.h>
|
||||
#include <libopencm3/stm32/gpio.h>
|
||||
#include <libopencm3/stm32/flash.h>
|
||||
#include <libopencm3/stm32/rcc.h>
|
||||
#include <libopencm3/stm32/syscfg.h>
|
||||
|
||||
#include <stdio.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
|
||||
|
||||
const struct rcc_clock_scale this_clock_config = {
|
||||
/* 72MHZ from 8MHZ external clock from stlink MCO */
|
||||
.pllsrc = RCC_CFGR_PLLSRC_HSE_PREDIV,
|
||||
.pllmul = RCC_CFGR_PLLMUL_MUL9,
|
||||
.plldiv = RCC_CFGR2_PREDIV_NODIV,
|
||||
.usbdiv1 = false,
|
||||
.flash_waitstates = 2,
|
||||
.hpre = RCC_CFGR_HPRE_DIV_NONE,
|
||||
.ppre1 = RCC_CFGR_PPRE1_DIV_2,
|
||||
.ppre2 = RCC_CFGR_PPRE2_DIV_NONE,
|
||||
.ahb_frequency = 72e6,
|
||||
.apb1_frequency = 32e6,
|
||||
.apb2_frequency = 72e6,
|
||||
};
|
||||
|
||||
|
||||
int main(void)
|
||||
{
|
||||
rcc_periph_clock_enable(RCC_GPIOE);
|
||||
gpio_mode_setup(GPIOE, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO11|GPIO12);
|
||||
gpio_set(GPIOE, GPIO12);
|
||||
rcc_clock_setup_pll(&this_clock_config);
|
||||
|
||||
rcc_periph_clock_enable(RCC_GPIOA);
|
||||
/*
|
||||
* Vile hack to reenumerate, physically _drag_ d+ low.
|
||||
* do NOT do this if you're board has proper usb pull up control!
|
||||
* (need at least 2.5us to trigger usb disconnect)
|
||||
*/
|
||||
gpio_mode_setup(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO12);
|
||||
gpio_clear(GPIOA, GPIO12);
|
||||
for (unsigned int i = 0; i < 800000; i++) {
|
||||
__asm__("nop");
|
||||
}
|
||||
/* now return PA11/PA12 to usb AF */
|
||||
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO11|GPIO12);
|
||||
gpio_set_af(GPIOA, GPIO_AF14, GPIO11|GPIO12);
|
||||
|
||||
usbd_device *usbd_dev = gadget0_init(&st_usbfs_v1_usb_driver,
|
||||
"stm32f3-disco");
|
||||
|
||||
ER_DPRINTF("bootup complete\n");
|
||||
gpio_clear(GPIOE, GPIO12);
|
||||
static int i = 0;
|
||||
while (1) {
|
||||
gpio_toggle(GPIOE, GPIO12);
|
||||
gadget0_run(usbd_dev);
|
||||
ER_DPRINTF("loop %d\n", i++);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
source [find interface/stlink-v2.cfg]
|
||||
set WORKAREASIZE 0x4000
|
||||
source [find target/stm32f3x.cfg]
|
||||
|
||||
# serial of my f3 disco board.
|
||||
hla_serial "S?n\x06gePQ6G%g"
|
||||
|
||||
tpiu config internal swodump.stm32f3-disco.log uart off 72000000
|
||||
|
||||
# Uncomment to reset on connect, for grabbing under WFI et al
|
||||
reset_config srst_only srst_nogate
|
||||
# reset_config srst_only srst_nogate connect_assert_srst
|
||||
|
Loading…
Reference in New Issue