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Check if board partition table is OTA compatible #19

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merged 2 commits into from
Nov 22, 2023
Merged

Check if board partition table is OTA compatible #19

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90c9375
Fix typo
pennam Oct 16, 2023
4d7b007
Check if board partition table is compatible with OTA before starting
pennam Oct 16, 2023
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14 changes: 13 additions & 1 deletion src/Arduino_ESP32_OTA.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,11 @@ Arduino_ESP32_OTA::Error Arduino_ESP32_OTA::begin()

/* ... initialize CRC ... */
_crc32 = 0xFFFFFFFF;

if(!isCapable()) {
DEBUG_ERROR("%s: board is not capable to perform OTA", __FUNCTION__);
return Error::NoOtaStorage;
}

if(!Update.begin(UPDATE_SIZE_UNKNOWN)) {
DEBUG_ERROR("%s: failed to initialize flash update", __FUNCTION__);
Expand Down Expand Up @@ -195,7 +200,7 @@ int Arduino_ESP32_OTA::download(const char * ota_url)
return static_cast<int>(Error::HttpResponse);
}

/* Extract concent length from HTTP header. A typical entry looks like
/* Extract content length from HTTP header. A typical entry looks like
* "Content-Length: 123456"
*/
char const * content_length_ptr = strstr(http_header.c_str(), "Content-Length");
Expand Down Expand Up @@ -279,3 +284,10 @@ void Arduino_ESP32_OTA::reset()
{
ESP.restart();
}

bool Arduino_ESP32_OTA::isCapable()
{
const esp_partition_t * ota_0 = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_0, NULL);
const esp_partition_t * ota_1 = esp_partition_find_first(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_APP_OTA_1, NULL);
return ((ota_0 != nullptr) && (ota_1 != nullptr));
}
1 change: 1 addition & 0 deletions src/Arduino_ESP32_OTA.h
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ class Arduino_ESP32_OTA
void write_byte_to_flash(uint8_t data);
Arduino_ESP32_OTA::Error update();
void reset();
static bool isCapable();

private:

Expand Down