2 files changed, 10 insertions, 5 deletions
diff --git a/os/hal/boards/ST_STM32F746G_DISCOVERY/board.c b/os/hal/boards/ST_STM32F746G_DISCOVERY/board.c
index c340f41d6..02873cd62 100644
--- a/os/hal/boards/ST_STM32F746G_DISCOVERY/board.c
+++ b/os/hal/boards/ST_STM32F746G_DISCOVERY/board.c
@@ -95,10 +95,10 @@ bool sdc_lld_is_card_inserted(SDCDriver *sdcp) {
  * @brief   SDC card write protection detection.
  */
 bool sdc_lld_is_write_protected(SDCDriver *sdcp) {
-
-  (void)sdcp;
-  /* TODO: Fill the implementation.*/
-  return false;
+
+  (void)sdcp;
+
+  return !palReadPad(GPIOC, GPIOC_SD_DETECT);
 }
 #endif /* HAL_USE_SDC */
 
diff --git a/os/hal/boards/ST_STM32F746G_DISCOVERY/cfg/board.chcfg b/os/hal/boards/ST_STM32F746G_DISCOVERY/cfg/board.chcfg
index 923e407a2..b2d7d8294 100644
--- a/os/hal/boards/ST_STM32F746G_DISCOVERY/cfg/board.chcfg
+++ b/os/hal/boards/ST_STM32F746G_DISCOVERY/cfg/board.chcfg
@@ -10,7 +10,12 @@
   </configuration_settings>
   <board_name>STMicroelectronics STM32F746G-Discovery</board_name>
   <board_id>ST_STM32F746G_DISCOVERY</board_id>
-  <board_functions></board_functions>
+  <board_functions>
+  	<sdc_lld_is_write_protected><![CDATA[
+  (void)sdcp;
+
+  return !palReadPad(GPIOC, GPIOC_SD_DETECT);]]></sdc_lld_is_write_protected>
+ </board_functions>
   <headers></headers>
   <ethernet_phy>
     <identifier>MII_LAN8742A_ID</identifier>