Микроконтроллеры

На стороне приложения

В Хидере

#ifndef __SIGTATURE_H__

#define __SIGTATURE_H__

#include <stdint.h>

/*******************************************************************************/

#ifndef STRINGIFY

#define STRINGIFY(x) #x

#endif

#define SIGNATURE_ADDRESS 0x08010000 /* Signature placement address */

#define PLACE_DATA_TO(ADDRESS) __attribute__((section (".ARM.__at_"STRINGIFY(ADDRESS))))

/*******************************************************************************/

#ifdef __cplusplus

extern "C" {

#endif

typedef struct signature_s

{

char vendor[16]; /* Equipment manufacturer (Rostselmash), char string */

char hw_model[32]; /* Equihment model (ie. DBK-10), char string */

char sw_build[16]; /* Build date (ie. Aug 12 2025), char string, created automatically */

uint32_t hw_revision; /* Board revision, numberic */

uint32_t sw_maijor; /* Software maijor version, numberic */

uint32_t sw_minor; /* Software minor version, numberic */

uint32_t sw_patch; /* Software patch version, numberic */

struct api_s

{

int (*open)(const char *device); /* Open device, ie. dsc=open("CAN"), return descriptor to device driver, numeric */

int (*read)(int drv_dsc,int channel,void *buff, int lenth); /* Read lenth bytes from device (drv_dsc,channel) to buff */

int (*write)(int drv_dsc,int channel,void *buff, int lenth); /* Write lenth bytes to device (drv_dsc,channel) from buff */

int (*ioctl)(int drv_dsc,int channel,int cmd, void *arg); /* Control device (drv_dsc,channel) */

int (*close)(int drv_dsc); /* Close (drv_dsc,channel) */

int (*errno)(void);

}api;

uint32_t start;

uint32_t end;

const uint32_t *crc;

}signature_t;

int api_open(const char *device);

int api_read(int drv_dsc,int channel,void *buff, int lenth);

int api_write(int drv_dsc,int channel,void *buff, int lenth);

int api_ioctl(int drv_dsc,int channel,int cmd, void *arg);

int api_close(int drv_dsc);

#ifdef __cplusplus

}

#endif

#endif /* __SIGTATURE_H__ */

В сишнике

#include "api.h"

const signature_t * const bsp = (signature_t*)SIGNATURE_ADDRESS;

int api_open(const char *device)

{

return bsp->api.open(device);

}

int api_read(int drv_dsc,int channel,void *buff, int lenth) /* Read lenth bytes from device (drv_dsc,channel) to buff */

{

return bsp->api.read(drv_dsc,channel,buff, lenth);

}

int api_write(int drv_dsc,int channel,void *buff, int lenth) /* Write lenth bytes to device (drv_dsc,channel) from buff */

{

return bsp->api.write(drv_dsc,channel,buff, lenth);

}

int api_ioctl(int drv_dsc,int channel,int cmd, void *arg) /* Control device (drv_dsc,channel) */

{

return bsp->api.ioctl(drv_dsc,channel,cmd, arg);

}

int api_close(int drv_dsc)

{

return bsp->api.close(drv_dsc);

}