DISCO_F413ZH : set default Wifi module SPI state to inactive

Author: jeromecoutant

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F413xH/TARGET_DISCO_F413ZH/system_clock.c

@@ -97,6 +97,17 @@ void SystemInit(void)
     SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
 #endif
 
+    /* In DISCO_F413ZH board, Arduino connector and Wifi embeded module are sharing the same SPI pins */
+    /* We need to set the default SPI SS pin for the Wifi module to the inactive state i.e. 1 */
+    /* See board User Manual: WIFI_SPI_CS = PG_11*/
+    __HAL_RCC_GPIOG_CLK_ENABLE();
+    GPIO_InitTypeDef  GPIO_InitStruct;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
+    GPIO_InitStruct.Pin = GPIO_PIN_11;
+    HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
+    HAL_GPIO_WritePin(GPIOG, GPIO_PIN_11, GPIO_PIN_SET);
 }