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-rw-r--r--libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c
index d3bafb2..81b27cb 100644
--- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c
+++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c
@@ -64,6 +64,13 @@ void HardFault_Handler(void)
while (1) { ; }
}
+static void default_SysTick_hook(void) { };
+static void (*SysTick_hook)(void) = default_SysTick_hook;
+void set_SysTick_hook(void (*hook)(void))
+{
+ SysTick_hook = (hook == NULL) ? default_SysTick_hook : hook;
+}
+
/**
* @brief This function handles SysTick Handler.
* @param None