drivers: use register definition instead of serie name

This will make future serie additions easier.

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

src/low_power.c

@@ -7,29 +7,13 @@
   ******************************************************************************
   * @attention
   *
-  * <h2><center>&copy; COPYRIGHT(c) 2020 STMicroelectronics</center></h2>
+  * Copyright (c) 2020-2021, STMicroelectronics
+  * All rights reserved.
   *
-  * Redistribution and use in source and binary forms, with or without modification,
-  * are permitted provided that the following conditions are met:
-  *   1. Redistributions of source code must retain the above copyright notice,
-  *      this list of conditions and the following disclaimer.
-  *   2. Redistributions in binary form must reproduce the above copyright notice,
-  *      this list of conditions and the following disclaimer in the documentation
-  *      and/or other materials provided with the distribution.
-  *   3. Neither the name of STMicroelectronics nor the names of its contributors
-  *      may be used to endorse or promote products derived from this software
-  *      without specific prior written permission.
-  *
-  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
   *
   ******************************************************************************
   */
@@ -51,7 +35,7 @@ static UART_HandleTypeDef *WakeUpUart = NULL;
 /* Save callback pointer */
 static void (*WakeUpUartCb)(void) = NULL;
 
-#ifdef STM32G0xx
+#if defined(PWR_FLAG_WUF)
 #define PWR_FLAG_WU PWR_FLAG_WUF
 #endif
 
@@ -62,7 +46,7 @@ static void (*WakeUpUartCb)(void) = NULL;
   */
 void LowPower_init()
 {
-#if !defined(STM32H7xx) && !defined(STM32MP1xx) && !defined(STM32WBxx)
+#if defined(__HAL_RCC_PWR_CLK_ENABLE)
   /* Enable Power Clock */
   __HAL_RCC_PWR_CLK_ENABLE();
 #endif
@@ -211,10 +195,11 @@ void LowPower_stop(serial_t *obj)
   }
 #endif
 
-#if defined(STM32L0xx) || defined(STM32L1xx)
+#if defined(PWR_CR_ULP)
   /* Enable Ultra low power mode */
   HAL_PWREx_EnableUltraLowPower();
-
+#endif
+#if defined(PWR_CR_FWU)
   /* Enable the fast wake up from Ultra low power mode */
   HAL_PWREx_EnableFastWakeUp();
 #endif
@@ -228,7 +213,9 @@ void LowPower_stop(serial_t *obj)
 #endif
 
   /* Enter Stop mode */
-#if defined(STM32L4xx) || defined(STM32L5xx)
+#if defined(PWR_CPUCR_RETDS_CD) || defined(PWR_CR1_LPMS_STOP2) ||\
+    defined(PWR_LOWPOWERMODE_STOP2)
+
   if ((WakeUpUart == NULL) || (WakeUpUart->Instance == (USART_TypeDef *)LPUART1_BASE)) {
     // STM32L4xx supports STOP2 mode which halves consumption
     HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
@@ -267,10 +254,11 @@ void LowPower_standby()
 {
   __disable_irq();
 
-#if defined(STM32L0xx) || defined(STM32L1xx)
+#if defined(PWR_CR_ULP)
   /* Enable Ultra low power mode */
   HAL_PWREx_EnableUltraLowPower();
-
+#endif
+#if defined(PWR_CR_FWU)
   /* Enable the fast wake up from Ultra low power mode */
   HAL_PWREx_EnableFastWakeUp();
 #endif
@@ -287,7 +275,7 @@ void LowPower_standby()
 void LowPower_shutdown()
 {
   __disable_irq();
-#if defined(STM32L4xx) || defined(STM32L5xx)
+#if defined(PWR_LOWPOWERMODE_SHUTDOWN) || defined(PWR_CR1_LPMS_SHUTDOWN)
   /* LSE must be on to use shutdown mode */
   if (__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == SET) {
     HAL_PWREx_EnterSHUTDOWNMode();