/* The Clear BSD License * * Copyright (c) 2025 EdgeImpulse Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted (subject to the limitations in the disclaimer * below) provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * * 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. * * * Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY * THIS LICENSE. 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 HOLDER 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. */ /** @note * This file contains the porting layer for the Edge Impulse SDK on a STM device in IAR. * To use this file with different hardware, please update the hardware-specific implementations. */ #include "../ei_classifier_porting.h" #if EI_PORTING_IAR == 1 #include #include #include #include "main.h" #include "stm32f4xx_hal.h" __attribute__((weak)) EI_IMPULSE_ERROR ei_run_impulse_check_canceled() { return EI_IMPULSE_OK; } /** * Cancelable sleep, can be triggered with signal from other thread */ __attribute__((weak)) EI_IMPULSE_ERROR ei_sleep(int32_t time_ms) { HAL_Delay(time_ms); return EI_IMPULSE_OK; } uint64_t ei_read_timer_ms() { return HAL_GetTick(); } uint64_t ei_read_timer_us() { return HAL_GetTick() * 1000; } __attribute__((weak)) void ei_printf(const char *format, ...) { va_list myargs; va_start(myargs, format); vprintf(format, myargs); va_end(myargs); } __attribute__((weak)) void ei_printf_float(float f) { ei_printf("%f", f); } __attribute__((weak)) void ei_putchar(char data) { putchar(data); } __attribute__((weak)) void *ei_malloc(size_t size) { return malloc(size); } __attribute__((weak)) void *ei_calloc(size_t nitems, size_t size) { return calloc(nitems, size); } __attribute__((weak)) void ei_free(void *ptr) { free(ptr); } #if defined(__cplusplus) && EI_C_LINKAGE == 1 extern "C" #endif __attribute__((weak)) void DebugLog(const char* s) { ei_printf("%s", s); } #endif // EI_PORTING_IAR == 1