Store certificates in NVS, bug fixes - release

components/squeezelite-ota/squeezelite-ota.h

@@ -7,6 +7,9 @@
 
 #pragma once
 #include "esp_attr.h"
+#include "esp_image_format.h"
+#include "esp_ota_ops.h"
+
 #if RECOVERY_APPLICATION
 #define CODE_RAM_LOCATION
 #define RECOVERY_IRAM_FUNCTION IRAM_ATTR
@@ -17,10 +20,21 @@
 
 
 
-// ERASE BLOCK needs to be a multiple of wear leveling's sector size
-#define OTA_FLASH_ERASE_BLOCK (uint32_t)512000
-#define OTA_STACK_SIZE 5120
+// ERASE BLOCK needs to be a multiple of sector size. If a different multiple is passed
+// the OTA process will adjust. Here, we need to strike the balance between speed and
+// stability.  The larger the blocks, the faster the erase will be, but the more likely
+// the system will throw WDT while the flash chip is locked and the more likely
+// the OTA process will derail
+#define OTA_FLASH_ERASE_BLOCK (uint32_t)249856
+
+// We're running the OTA without squeezelite in the background, so we can set a comfortable
+// amount of stack to avoid overflows.
+#define OTA_STACK_SIZE 10240
+
+// To speed up processing, we set this priority to a number that is higher than normal
+// tasks
 #define OTA_TASK_PRIOTITY 6
+
 esp_err_t start_ota(const char * bin_url);
 const char * ota_get_status();
 uint8_t ota_get_pct_complete();