Is SPIRAM Available? (skot#626)

WantClue · Jan 21, 2025 · e770835 · e770835
1 parent 2f38e20
commit e770835
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Showing 3 changed files with 11 additions and 0 deletions.
diff --git a/main/global_state.h b/main/global_state.h
@@ -123,6 +123,7 @@ typedef struct
 
     int sock;
     bool ASIC_initalized;
+    bool psram_is_available;
 } GlobalState;
 
 #endif /* GLOBAL_STATE_H_ */
diff --git a/main/http_server/http_server.c b/main/http_server/http_server.c
@@ -504,6 +504,8 @@ static esp_err_t GET_system_info(httpd_req_t * req)
 
     cJSON_AddNumberToObject(root, "isUsingFallbackStratum", GLOBAL_STATE->SYSTEM_MODULE.is_using_fallback);
 
+    cJSON_AddNumberToObject(root, "isPSRAMAvailable", GLOBAL_STATE->psram_is_available);
+
     cJSON_AddNumberToObject(root, "freeHeap", esp_get_free_heap_size());
     cJSON_AddNumberToObject(root, "coreVoltage", nvs_config_get_u16(NVS_CONFIG_ASIC_VOLTAGE, CONFIG_ASIC_VOLTAGE));
     cJSON_AddNumberToObject(root, "coreVoltageActual", VCORE_get_voltage_mv(GLOBAL_STATE));

diff --git a/main/main.c b/main/main.c
@@ -1,6 +1,7 @@
 
 #include "esp_event.h"
 #include "esp_log.h"
+#include "esp_psram.h"
 #include "nvs_flash.h"
 
 // #include "protocol_examples_common.h"
@@ -34,6 +35,13 @@ void app_main(void)
 {
     ESP_LOGI(TAG, "Welcome to the bitaxe - hack the planet!");
 
+    if (!esp_psram_is_initialized()) {
+        ESP_LOGE(TAG, "No PSRAM available on ESP32 device!");
+        GLOBAL_STATE.psram_is_available = false;
+    } else {
+        GLOBAL_STATE.psram_is_available = true;
+    }
+
     // Init I2C
     ESP_ERROR_CHECK(i2c_bitaxe_init());
     ESP_LOGI(TAG, "I2C initialized successfully");