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authorPaul Selkirk <paul@psgd.org>2017-07-31 23:23:05 -0400
committerPaul Selkirk <paul@psgd.org>2017-07-31 23:23:05 -0400
commit9ffead1c015bf05425b78d43b1b4b3e21f109929 (patch)
treef6685cb986820804d1b1d274c28b13126a5fca0d /libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4
parent0d33ff82c8b9436d83e6bf20a12de3d53c8ae591 (diff)
Add a generic SysTick hook, to call a function on every 1ms tick, because it's easier than setting up a dedicated timer.
Diffstat (limited to 'libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4')
-rw-r--r--libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c8
1 files changed, 8 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 8e5cc73..4629e44 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
@@ -72,6 +79,7 @@ void HardFault_Handler(void)
void SysTick_Handler(void)
{
HAL_IncTick();
+ SysTick_hook();
}
/******************************************************************************/