From 2d210d63b8f7b6919e23218768557791af0e2b08 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Wed, 24 Jan 2024 10:34:00 -0800
Subject: [PATCH] Improvements to the STM32Cube template. Setup so next pack
 can add small stack and transport options: `WOLFTPM_CONF_SMALL_STACK` and
 `WOLFTPM_CONF_TRANSPORT` (0=SPI, 1=I2C).

---
 IDE/STM32CUBE/default_conf.ftl | 66 ++++++++++++++++++++++++++++++----
 1 file changed, 59 insertions(+), 7 deletions(-)

diff --git a/IDE/STM32CUBE/default_conf.ftl b/IDE/STM32CUBE/default_conf.ftl
index 1f573092..b6e77e1e 100644
--- a/IDE/STM32CUBE/default_conf.ftl
+++ b/IDE/STM32CUBE/default_conf.ftl
@@ -29,8 +29,8 @@
 [/#list]
 [/#if]
 
-[#-- SWIPdatas is a list of SWIPconfigModel --]  
-[#list SWIPdatas as SWIP]  
+[#-- SWIPdatas is a list of SWIPconfigModel --]
+[#list SWIPdatas as SWIP]
 [#-- Global variables --]
 [#if SWIP.variables??]
 	[#list SWIP.variables as variable]
@@ -40,9 +40,9 @@ extern ${variable.value} ${variable.name};
 
 [#-- Global variables --]
 
-[#assign instName = SWIP.ipName]   
-[#assign fileName = SWIP.fileName]   
-[#assign version = SWIP.version]   
+[#assign instName = SWIP.ipName]
+[#assign fileName = SWIP.fileName]
+[#assign version = SWIP.version]
 
 /**
 	MiddleWare name : ${instName}
@@ -50,9 +50,9 @@ extern ${variable.value} ${variable.name};
 	MiddleWare version : ${version}
 */
 [#if SWIP.defines??]
-	[#list SWIP.defines as definition]	
+	[#list SWIP.defines as definition]
 /*---------- [#if definition.comments??]${definition.comments}[/#if] -----------*/
-#define ${definition.name} #t#t ${definition.value} 
+#define ${definition.name} #t#t ${definition.value}
 [#if definition.description??]${definition.description} [/#if]
 	[/#list]
 [/#if]
@@ -68,6 +68,14 @@ extern ${variable.value} ${variable.name};
 #define NO_MAIN_DRIVER
 #define WOLFTPM_EXAMPLE_HAL
 
+/* Set smaller default timeout for embedded devices */
+#define TPM_TIMEOUT_TRIES 10000
+
+/* Example for TPM wait delay */
+#if 0
+    #define XTPM_WAIT() HAL_Delay(1)
+#endif
+
 /* ------------------------------------------------------------------------- */
 /* Enable Features */
 /* ------------------------------------------------------------------------- */
@@ -81,11 +89,55 @@ extern ${variable.value} ${variable.name};
     #define USE_HW_SPI_CS
 #endif
 
+/* Small stack support */
+#if defined(WOLFTPM_CONF_SMALL_STACK) && WOLFTPM_CONF_SMALL_STACK == 1
+    #define WOLFTPM_SMALL_STACK
+    #define MAX_COMMAND_SIZE    1024
+    #define MAX_RESPONSE_SIZE   1350
+    #define WOLFTPM2_MAX_BUFFER 1500
+    #define MAX_DIGEST_BUFFER   973
+#endif
+
+/* ------------------------------------------------------------------------- */
+/* Hardware */
+/* ------------------------------------------------------------------------- */
+
+/* Interface Selection SPI or I2C */
+/* 0=SPI, 1=I2C */
+#if defined(WOLFTPM_CONF_TRANSPORT) && WOLFTPM_CONF_TRANSPORT == 0
+    /* SPI (default) */
+#elif defined(WOLFTPM_CONF_TRANSPORT) && WOLFTPM_CONF_TRANSPORT == 1
+    #define WOLFTPM_I2C
+    #define WOLFTPM_ADV_IO
+#endif
+
+/* TPM Hardware Type (default automatic detect) */
+#if 1
+    #define WOLFTPM_AUTODETECT
+#else
+    //#define WOLFTPM_SLB9670   /* Infineon */
+    //#define WOLFTPM_SLB9672   /* Infineon */
+    //#define WOLFTPM_MICROCHIP /* ATTPM20 */
+    //#define WOLFTPM_ST33      /* STM */
+    //#define WOLFTPM_NUVOTON   /* NPCT75x */
+#endif
+
+/* Example STM32 SPI Hal Configuration */
+#if 0
+    /* Use PD14 for SPI1 CS */
+    #define USE_SPI_CS_PORT GPIOD
+    #define USE_SPI_CS_PIN  14
+#endif
+
+
 /* ------------------------------------------------------------------------- */
 /* Debugging */
 /* ------------------------------------------------------------------------- */
 #if defined(WOLFTPM_CONF_DEBUG) && WOLFTPM_CONF_DEBUG == 1
     #define DEBUG_WOLFTPM
+    //#define WOLFTPM_DEBUG_TIMEOUT
+    //#define WOLFTPM_DEBUG_VERBOSE
+    //#define WOLFTPM_DEBUG_IO
 #endif
 
 #ifdef __cplusplus