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-rw-r--r--examples/device/cdc_msc_freertos/src/freertos_hook.c3
-rw-r--r--examples/device/hid_composite_freertos/src/freertos_hook.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/examples/device/cdc_msc_freertos/src/freertos_hook.c b/examples/device/cdc_msc_freertos/src/freertos_hook.c
index ab885947c..4920e3fae 100644
--- a/examples/device/cdc_msc_freertos/src/freertos_hook.c
+++ b/examples/device/cdc_msc_freertos/src/freertos_hook.c
@@ -99,9 +99,10 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
void vApplicationSetupTimerInterrupt(void)
{
/* Enable CMT0 */
+ unsigned short oldPRCR = SYSTEM.PRCR.WORD;
SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
MSTP(CMT0) = 0;
- SYSTEM.PRCR.WORD = (0xA5u<<8);
+ SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
CMT0.CMCNT = 0;
CMT0.CMCOR = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
diff --git a/examples/device/hid_composite_freertos/src/freertos_hook.c b/examples/device/hid_composite_freertos/src/freertos_hook.c
index ab885947c..4920e3fae 100644
--- a/examples/device/hid_composite_freertos/src/freertos_hook.c
+++ b/examples/device/hid_composite_freertos/src/freertos_hook.c
@@ -99,9 +99,10 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
void vApplicationSetupTimerInterrupt(void)
{
/* Enable CMT0 */
+ unsigned short oldPRCR = SYSTEM.PRCR.WORD;
SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
MSTP(CMT0) = 0;
- SYSTEM.PRCR.WORD = (0xA5u<<8);
+ SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
CMT0.CMCNT = 0;
CMT0.CMCOR = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);