mirror of https://github.com/ArduPilot/ardupilot
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
#include <AP_HAL/AP_HAL.h>
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#if CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_NAVIO || CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_RASPILOT || CONFIG_HAL_BOARD_SUBTYPE == HAL_BOARD_SUBTYPE_LINUX_ERLEBRAIN2
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <time.h>
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#include "Util_RPI.h"
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extern const AP_HAL::HAL& hal;
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using namespace Linux;
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UtilRPI::UtilRPI()
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{
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_check_rpi_version();
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}
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#define MAX_SIZE_LINE 50
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int UtilRPI::_check_rpi_version()
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{
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char buffer[MAX_SIZE_LINE];
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const char* hardware_description_entry = "Hardware";
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const char* v1 = "BCM2708";
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const char* v2 = "BCM2709";
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char* flag;
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FILE* fd;
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fd = fopen("/proc/cpuinfo", "r");
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while (fgets(buffer, MAX_SIZE_LINE, fd) != NULL) {
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flag = strstr(buffer, hardware_description_entry);
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if (flag != NULL) {
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if (strstr(buffer, v2) != NULL) {
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printf("Raspberry Pi 2 with BCM2709!\n");
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fclose(fd);
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_rpi_version = 2;
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return _rpi_version;
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}
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else if (strstr(buffer, v1) != NULL) {
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printf("Raspberry Pi 1 with BCM2708!\n");
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fclose(fd);
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_rpi_version = 1;
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return _rpi_version;
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}
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}
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}
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/* defaults to 1 */
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fprintf(stderr, "Could not detect RPi version, defaulting to 1\n");
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fclose(fd);
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_rpi_version = 1;
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return _rpi_version;
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}
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int UtilRPI::get_rpi_version() const
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{
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return _rpi_version;
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}
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#endif
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