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authorRocco Marco Guglielmi <roccomarco.guglielmi@live.com>2016-06-25 14:51:10 +0000
committerRocco Marco Guglielmi <roccomarco.guglielmi@live.com>2016-06-25 14:51:10 +0000
commitfe86aae1bf97d96ba38e9424d60593c4e7a5f252 (patch)
tree3a96a532b2c96065e47ddbdde93eb8b43ae50fd7 /os/hal/ports
parentf7c23bcc06574b91f5ece441cd0449f7e553feca (diff)
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Edits to USB_CDC demo. Added USB voltage validation in hal_lld.c (still not backported)
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9663 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports')
-rw-r--r--os/hal/ports/STM32/STM32L4xx/hal_lld.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/STM32L4xx/hal_lld.c b/os/hal/ports/STM32/STM32L4xx/hal_lld.c
index 730629c86..76433073c 100644
--- a/os/hal/ports/STM32/STM32L4xx/hal_lld.c
+++ b/os/hal/ports/STM32/STM32L4xx/hal_lld.c
@@ -111,6 +111,13 @@ void hal_lld_init(void) {
#if STM32_PVD_ENABLE
PWR->CR1 |= PWR_CR1_PVDE | (STM32_PLS & STM32_PLS_MASK);
#endif /* STM32_PVD_ENABLE */
+
+ /* Validating USB VDD.*/
+#if HAL_USE_USB
+ PWR->CR2 = PWR_CR2_USV;
+#else
+ PWR->CR2 = 0;
+#endif /* STM32_PVD_ENABLE */
}
/**