bsp: add support for the STM32U5xx soc

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

src/STM32LowPower.cpp

@@ -191,7 +191,7 @@ void STM32LowPower::programRtcWakeUp(uint32_t ms, LP_Mode lp_mode)
       break;
     default:
     case SHUTDOWN_MODE:
-#if defined(STM32L4xx) || defined(STM32L5xx)
+#if defined(STM32L4xx) || defined(STM32L5xx)  || defined(STM32U5xx)
       // For shutdown mode LSE have to be used (STM32L4 or STM32L5 series only)
       clkSrc = STM32RTC::LSE_CLOCK;
 #else

src/low_power.c

@@ -37,6 +37,11 @@ static void (*WakeUpUartCb)(void) = NULL;
 
 #if defined(PWR_FLAG_WUF)
 #define PWR_FLAG_WU PWR_FLAG_WUF
+#elif defined(PWR_WAKEUP_ALL_FLAG)
+#define PWR_FLAG_WU PWR_WAKEUP_ALL_FLAG
+#endif
+#if defined(PWR_FLAG_SBF)
+#define PWR_FLAG_SB PWR_FLAG_SBF
 #endif
 
 /**
@@ -82,7 +87,14 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
   PinName p = digitalPinToPinName(pin);
   if (p != NC) {
 #ifdef PWR_WAKEUP_PIN1
-    if (p == SYS_WKUP1) {
+    if ((p == SYS_WKUP1)
+#ifdef PWR_WAKEUP_PIN1_1
+        || (p == SYS_WKUP1_1)
+#endif
+#ifdef PWR_WAKEUP_PIN1_2
+        || (p == SYS_WKUP1_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN1;
 #ifdef PWR_WAKEUP_PIN1_HIGH
       if (mode != RISING) {
@@ -92,7 +104,14 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
     }
 #endif /* PWR_WAKEUP_PIN1 */
 #ifdef PWR_WAKEUP_PIN2
-    if (p == SYS_WKUP2) {
+    if ((p == SYS_WKUP2)
+#ifdef PWR_WAKEUP_PIN2_1
+        || (p == SYS_WKUP2_1)
+#endif
+#ifdef PWR_WAKEUP_PIN2_2
+        || (p == SYS_WKUP2_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN2;
 #ifdef PWR_WAKEUP_PIN2_HIGH
       if (mode != RISING) {
@@ -102,7 +121,14 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
     }
 #endif /* PWR_WAKEUP_PIN2 */
 #ifdef PWR_WAKEUP_PIN3
-    if (p == SYS_WKUP3) {
+    if ((p == SYS_WKUP3)
+#ifdef PWR_WAKEUP_PIN3_1
+        || (p == SYS_WKUP3_1)
+#endif
+#ifdef PWR_WAKEUP_PIN3_2
+        || (p == SYS_WKUP3_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN3;
 #ifdef PWR_WAKEUP_PIN3_HIGH
       if (mode != RISING) {
@@ -112,7 +138,14 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
     }
 #endif /* PWR_WAKEUP_PIN3 */
 #ifdef PWR_WAKEUP_PIN4
-    if (p == SYS_WKUP4) {
+    if ((p == SYS_WKUP4)
+#ifdef PWR_WAKEUP_PIN4_1
+        || (p == SYS_WKUP4_1)
+#endif
+#ifdef PWR_WAKEUP_PIN4_2
+        || (p == SYS_WKUP4_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN4;
 #ifdef PWR_WAKEUP_PIN4_HIGH
       if (mode != RISING) {
@@ -122,7 +155,14 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
     }
 #endif /* PWR_WAKEUP_PIN4 */
 #ifdef PWR_WAKEUP_PIN5
-    if (p == SYS_WKUP5) {
+    if ((p == SYS_WKUP5)
+#ifdef PWR_WAKEUP_PIN5_1
+        || (p == SYS_WKUP5_1)
+#endif
+#ifdef PWR_WAKEUP_PIN5_2
+        || (p == SYS_WKUP5_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN5;
 #ifdef PWR_WAKEUP_PIN5_HIGH
       if (mode != RISING) {
@@ -132,7 +172,14 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
     }
 #endif /* PWR_WAKEUP_PIN5 */
 #ifdef PWR_WAKEUP_PIN6
-    if (p == SYS_WKUP6) {
+    if ((p == SYS_WKUP6)
+#ifdef PWR_WAKEUP_PIN6_1
+        || (p == SYS_WKUP6_1)
+#endif
+#ifdef PWR_WAKEUP_PIN6_2
+        || (p == SYS_WKUP6_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN6;
 #ifdef PWR_WAKEUP_PIN6_HIGH
       if (mode != RISING) {
@@ -142,12 +189,26 @@ void LowPower_EnableWakeUpPin(uint32_t pin, uint32_t mode)
     }
 #endif /* PWR_WAKEUP_PIN6 */
 #ifdef PWR_WAKEUP_PIN7
-    if (p == SYS_WKUP7) {
+    if ((p == SYS_WKUP7)
+#ifdef PWR_WAKEUP_PIN7_1
+        || (p == SYS_WKUP7_1)
+#endif
+#ifdef PWR_WAKEUP_PIN7_2
+        || (p == SYS_WKUP7_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN7;
     }
 #endif /* PWR_WAKEUP_PIN7 */
 #ifdef PWR_WAKEUP_PIN8
-    if (p == SYS_WKUP8) {
+    if ((p == SYS_WKUP8)
+#ifdef PWR_WAKEUP_PIN8_1
+        || (p == SYS_WKUP8_1)
+#endif
+#ifdef PWR_WAKEUP_PIN8_2
+        || (p == SYS_WKUP8_2)
+#endif
+       ) {
       wkup_pin = PWR_WAKEUP_PIN8;
     }
 #endif /* PWR_WAKEUP_PIN8 */
@@ -201,6 +262,10 @@ void LowPower_stop(serial_t *obj)
   /* Enable Ultra low power mode */
   HAL_PWREx_EnableUltraLowPower();
 #endif
+#if defined(PWR_CR1_ULPMEN) || defined(PWR_CR3_ULPMEN)
+  /* Enable Ultra low power mode */
+  HAL_PWREx_EnableUltraLowPowerMode();
+#endif
 #if defined(PWR_CR_FWU)
   /* Enable the fast wake up from Ultra low power mode */
   HAL_PWREx_EnableFastWakeUp();