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esp32-nmea2000-obp60
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add some size checks for fw name and version

This commit is contained in:
wellenvogel 2021-12-15 17:40:38 +01:00
parent 3475b769ff
commit 32ee425a5a
1 changed files with 9 additions and 1 deletions
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src/main.cpp
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@ -90,7 +90,15 @@ const unsigned long HEAP_REPORT_TIME=2000; //set to 0 to disable heap reporting
#define MAX_NMEA2000_MESSAGE_SEASMART_SIZE 500 #define MAX_NMEA2000_MESSAGE_SEASMART_SIZE 500
#define MAX_NMEA0183_MESSAGE_SIZE 150 // For AIS #define MAX_NMEA0183_MESSAGE_SIZE 150 // For AIS
//https://curiouser.cheshireeng.com/2014/08/19/c-compile-time-assert/
#define CASSERT(predicate, text) _impl_CASSERT_LINE(predicate,__LINE__)
#define _impl_PASTE(a,b) a##b
#define _impl_CASSERT_LINE(predicate, line) typedef char _impl_PASTE(assertion_failed_CASSERT_,line)[(predicate)?1:-1];
//assert length of firmware name and version
CASSERT(strlen(GWSTRINGIFY(FIRMWARE_TYPE)) <= 32, "environment name (FIRMWARE_TYPE) must not exceed 32 chars");
CASSERT(strlen(VERSION) <= 32, "VERSION must not exceed 32 chars");
//https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/app_image_format.html
//and removed the bugs in the doc...
__attribute__((section(".rodata_custom_desc"))) esp_app_desc_t custom_app_desc = { __attribute__((section(".rodata_custom_desc"))) esp_app_desc_t custom_app_desc = {
ESP_APP_DESC_MAGIC_WORD, ESP_APP_DESC_MAGIC_WORD,
1, 1,