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#!/bin/sh

PROJ="${1?'project'}"

OPENOCD=openocd

# location of OpenOCD Board .cfg files (only used with 'make flash-target')
#
# This path is from Ubuntu 14.04.
#
OPENOCD_BOARD_DIR=/usr/share/openocd/scripts/board

# Configuration (cfg) file containing programming directives for OpenOCD
#
# If you are using an STLINK v2.0 from an STM32 F4 DISCOVERY board,
# set this variable to "stm32f4discovery.cfg".
#
# If you are using an STLINK v2.1 from an STM32 F4 NUCLEO board,
# set this variable to "st_nucleo_f401re.cfg".
#
# If you are using something else, look for a matching configuration file in
# the OPENOCD_BOARD_DIR directory.
#
OPENOCD_PROC_FILE=stm32f4discovery.cfg
#OPENOCD_PROC_FILE=st_nucleo_f4.cfg

$OPENOCD -f $OPENOCD_BOARD_DIR/$OPENOCD_PROC_FILE -c "program $PROJ.elf verify reset exit"
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-16 12:47:10 +0000
permitted provided that the following * conditions are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <assert.h> #include <stdint.h> #include <stddef.h> #include <stdio.h> #include "hal.h" #ifndef WAIT_FOR_CSPRNG_VALID #define WAIT_FOR_CSPRNG_VALID 0 #endif hal_error_t hal_get_random(void *buffer, const size_t length) { uint8_t temp[4], *buf = buffer; hal_error_t err; size_t i; for (i = 0; i < length; i += 4) { const int last = (length - i) < 4; if (WAIT_FOR_CSPRNG_VALID && (err = hal_io_wait_valid(CSPRNG_ADDR_STATUS)) != HAL_OK) return err; if ((err = hal_io_read(CSPRNG_ADDR_RANDOM, (last ? temp : &buf[i]), 4)) != HAL_OK) return err; if (last) for (; i < length; i++) buf[i] = temp[i&3]; } for (i = 0, buf = buffer; i < length; i++, buf++) if (*buf != 0) return HAL_OK; return HAL_ERROR_CSPRNG_BROKEN; } /* * "Any programmer who fails to comply with the standard naming, formatting, * or commenting conventions should be shot. If it so happens that it is * inconvenient to shoot him, then he is to be politely requested to recode * his program in adherence to the above standard." * -- Michael Spier, Digital Equipment Corporation * * Local variables: * indent-tabs-mode: nil * End: */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-16 12:47:10 +0000