variable size data sending, spi mode change fix, wb1mmc write start

code/wb1mmc_code/STM32_WPAN/App/custom_stm.c

@@ -23,7 +23,7 @@
 #include "custom_stm.h"
 
 /* USER CODE BEGIN Includes */
-
+#include "gpio.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -192,7 +192,7 @@ static SVCCTL_EvtAckStatus_t Custom_STM_Event_Handler(void *Event)
           {
             return_value = SVCCTL_EvtAckFlowEnable;
             /* USER CODE BEGIN CUSTOM_STM_Service_1_Char_1_ACI_GATT_ATTRIBUTE_MODIFIED_VSEVT_CODE */
-
+            HAL_GPIO_TogglePin(GPIOA, LED4_Pin);
             /* USER CODE END CUSTOM_STM_Service_1_Char_1_ACI_GATT_ATTRIBUTE_MODIFIED_VSEVT_CODE */
           } /* if (attribute_modified->Attr_Handle == (CustomContext.CustomArrwriteHdle + CHARACTERISTIC_VALUE_ATTRIBUTE_OFFSET))*/
           /* USER CODE BEGIN EVT_BLUE_GATT_ATTRIBUTE_MODIFIED_END */