aboutsummaryrefslogtreecommitdiffstats
path: root/os
diff options
context:
space:
mode:
Diffstat (limited to 'os')
-rw-r--r--os/hal/platforms/STM32L1xx/hal_lld.c3
-rw-r--r--os/hal/platforms/STM32L1xx/hal_lld.h4
2 files changed, 5 insertions, 2 deletions
diff --git a/os/hal/platforms/STM32L1xx/hal_lld.c b/os/hal/platforms/STM32L1xx/hal_lld.c
index c9d8a3914..9a8265365 100644
--- a/os/hal/platforms/STM32L1xx/hal_lld.c
+++ b/os/hal/platforms/STM32L1xx/hal_lld.c
@@ -90,6 +90,9 @@ void hal_lld_init(void) {
void stm32_clock_init(void) {
#if !STM32_NO_INIT
+ /* PWR clock enable.*/
+ RCC->APB1ENR = RCC_APB1ENR_PWREN;
+
/* Core voltage setup.*/
while ((PWR->CSR & PWR_CSR_VOSF) != 0)
; /* Waits until regulator is stable. */
diff --git a/os/hal/platforms/STM32L1xx/hal_lld.h b/os/hal/platforms/STM32L1xx/hal_lld.h
index 5e451409d..37dff216e 100644
--- a/os/hal/platforms/STM32L1xx/hal_lld.h
+++ b/os/hal/platforms/STM32L1xx/hal_lld.h
@@ -59,9 +59,9 @@
/* PWR_CR register bits definitions.*/
#define STM32_VOS_MASK (3 << 11) /**< Core voltage mask. */
-#define STM32_VOS_1P2 (1 << 11) /**< Core voltage 1.2 Volts. */
+#define STM32_VOS_1P8 (1 << 11) /**< Core voltage 1.8 Volts. */
#define STM32_VOS_1P5 (2 << 11) /**< Core voltage 1.5 Volts. */
-#define STM32_VOS_1P8 (3 << 11) /**< Core voltage 1.8 Volts. */
+#define STM32_VOS_1P2 (3 << 11) /**< Core voltage 1.2 Volts. */
/* RCC_CR register bits definitions.*/
#define STM32_RTCPRE_MASK (3 << 29) /**< RTCPRE mask. */