ftp: log the firmware upload errors in syslog

modules/ftp.c

@@ -46,6 +46,7 @@
 #include "FreeRTOS.h"
 #include "task.h"
 #include "hal.h"
+#include "syslog.h"
 
 /** Enable debugging for LWFTP */
 #ifndef LWFTP_DEBUG
@@ -697,7 +698,7 @@ static unsigned data_sink(void *arg, const char* ptr, unsigned len)
     }
 
     if (received_bytes_count + len > MAIN_FW_SIZE) {
-      printf("ftp: the firmware is too big! aborting the download\r\n");
+      syslog_str(SYSLOG_ERROR, "Файл прошивки слишком велик");
       return 0;
     }
     spi_flash_write(SPI_FLASH_SECTOR_SIZE * FIRMWARE_UPDATE_SECTOR_OFFSET + received_bytes_count, ptr, len, 0);
@@ -712,6 +713,7 @@ static unsigned data_sink(void *arg, const char* ptr, unsigned len)
       set_act_source(FTP_ACT);
       HTTP_StartResetTask(true);
     } else {
+      syslog_str(SYSLOG_ERROR, "Некорректный файл прошивки");
       // erase it so the bootloader won't try to verify it every time
       erase_spif_firmware();
     }