SPI Stack Adjustment

Author: gojimmypi

IDE/Espressif/main/main.c

@@ -55,13 +55,30 @@
     #define WOLFTPM_MAIN_TEST_ITERATIONS 1
 #endif
 
+/* I2C tested with 35840 stack, SPI with 45840 on ESP32-C6 */
+#define MIN_TPM_TEST_STACK_SIZE 45840
+
 static const char* const TAG = "wolfTPM main";
 
 void app_main(void)
 {
     char mydata[1024];
     int tests = WOLFTPM_MAIN_TEST_ITERATIONS;
     esp_err_t ret = 0;
+#ifdef CONFIG_MAIN_TASK_STACK_SIZE
+    if (CONFIG_MAIN_TASK_STACK_SIZE < MIN_TPM_TEST_STACK_SIZE) {
+        ESP_LOGE(TAG, "Stack may be too small!");
+    }
+#else
+    ESP_LOGE(TAG, "No CONFIG_MAIN_TASK_STACK_SIZE defined?");
+#endif
+#ifdef CONFIG_ESP_MAIN_TASK_STACK_SIZE
+    if (CONFIG_ESP_MAIN_TASK_STACK_SIZE < MIN_TPM_TEST_STACK_SIZE) {
+        ESP_LOGE(TAG, "Stack may be too small!");
+    }
+#else
+    ESP_LOGE(TAG, "No CONFIG_ESP_MAIN_TASK_STACK_SIZE defined?");
+#endif
 
 #ifdef LIBWOLFTPM_VERSION_STRING
     ESP_LOGI(TAG, "Hello wolfTPM version %s!", LIBWOLFTPM_VERSION_STRING);

IDE/Espressif/sdkconfig.defaults

@@ -6,10 +6,10 @@ CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
 #
 # This is typically way bigger than needed for stack size. See user_settings.h
 #
-CONFIG_ESP_MAIN_TASK_STACK_SIZE=35840
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=45840
 
 # Legacy stack size for older ESP-IDF versions
-CONFIG_MAIN_TASK_STACK_SIZE=35840
+CONFIG_MAIN_TASK_STACK_SIZE=45840
 
 #
 # Compiler options

hal/tpm_io_espressif.c

@@ -465,13 +465,13 @@ int TPM2_IoCb_Espressif_I2C(TPM2_CTX* ctx, int isRead, word32 addr,
 #elif defined(CONFIG_IDF_TARGET_ESP32C6)
     #define SPI_MAX_TRANSFER 1024
     #ifndef PIN_NUM_MISO
-        #define PIN_NUM_MISO 2 /* orange */
+        #define PIN_NUM_MISO 2
     #endif
     #ifndef PIN_NUM_MOSI
-        #define PIN_NUM_MOSI 7 /* yellow */
+        #define PIN_NUM_MOSI 7
     #endif
     #ifndef PIN_NUM_CLK
-        #define PIN_NUM_CLK  6  /* gray */
+        #define PIN_NUM_CLK  6
     #endif
     #ifndef PIN_NUM_CS
         /* Set to 10 on ESP32-C6 despite documentation that states 16