diff --git a/demos/ARMCM4-STM32F303-DISCOVERY/mcuconf.h b/demos/ARMCM4-STM32F303-DISCOVERY/mcuconf.h
index 220a3ce9d..068055e2c 100644
--- a/demos/ARMCM4-STM32F303-DISCOVERY/mcuconf.h
+++ b/demos/ARMCM4-STM32F303-DISCOVERY/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/os/hal/platforms/STM32F30x/ext_lld_isr.c b/os/hal/platforms/STM32F30x/ext_lld_isr.c
index 4603a0f81..4a3dece90 100644
--- a/os/hal/platforms/STM32F30x/ext_lld_isr.c
+++ b/os/hal/platforms/STM32F30x/ext_lld_isr.c
@@ -282,9 +282,9 @@ CH_IRQ_HANDLER(Vector4C) {
}
#endif
-#if !defined(STM32_DISABLE_EXTI21_23_HANDLER)
+#if !defined(STM32_DISABLE_EXTI21_22_29_HANDLER)
/**
- * @brief EXTI[21]...EXTI[23] interrupt handler (COMP1, COMP2, COMP3).
+ * @brief EXTI[21],EXTI[22],EXTI[29] interrupt handler (COMP1, COMP2, COMP3).
*
* @isr
*/
@@ -386,7 +386,7 @@ void ext_lld_exti_irq_enable(void) {
nvicEnableVector(RTC_WKUP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY));
nvicEnableVector(COMP1_2_3_IRQn,
- CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_23_IRQ_PRIORITY));
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_22_29_IRQ_PRIORITY));
nvicEnableVector(COMP4_5_6_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI30_32_IRQ_PRIORITY));
nvicEnableVector(COMP7_IRQn,
diff --git a/os/hal/platforms/STM32F30x/ext_lld_isr.h b/os/hal/platforms/STM32F30x/ext_lld_isr.h
index 1ca3be565..b070a1411 100644
--- a/os/hal/platforms/STM32F30x/ext_lld_isr.h
+++ b/os/hal/platforms/STM32F30x/ext_lld_isr.h
@@ -128,10 +128,10 @@
#endif
/**
- * @brief EXTI21..23 interrupt priority level setting.
+ * @brief EXTI21,22,29 interrupt priority level setting.
*/
-#if !defined(STM32_EXT_EXTI21_23_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#if !defined(STM32_EXT_EXTI21_22_29_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#endif
/**
diff --git a/os/hal/platforms/STM32F37x/ext_lld_isr.c b/os/hal/platforms/STM32F37x/ext_lld_isr.c
new file mode 100644
index 000000000..7938cb262
--- /dev/null
+++ b/os/hal/platforms/STM32F37x/ext_lld_isr.c
@@ -0,0 +1,422 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+*/
+
+/**
+ * @file STM32F37x/ext_lld_isr.c
+ * @brief STM32F37x EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+#if !defined(STM32_DISABLE_EXTI0_HANDLER)
+/**
+ * @brief EXTI[0] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector58) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 0);
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI1_HANDLER)
+/**
+ * @brief EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector5C) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 1);
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI2_HANDLER)
+/**
+ * @brief EXTI[2] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector60) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 2);
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI3_HANDLER)
+/**
+ * @brief EXTI[3] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector64) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 3);
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI4_HANDLER)
+/**
+ * @brief EXTI[4] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector68) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 4);
+ EXTD1.config->channels[4].cb(&EXTD1, 4);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI5_9_HANDLER)
+/**
+ * @brief EXTI[5]...EXTI[9] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector9C) {
+ uint32_t pr;
+
+ CH_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
+ EXTI->PR = pr;
+ if (pr & (1 << 5))
+ EXTD1.config->channels[5].cb(&EXTD1, 5);
+ if (pr & (1 << 6))
+ EXTD1.config->channels[6].cb(&EXTD1, 6);
+ if (pr & (1 << 7))
+ EXTD1.config->channels[7].cb(&EXTD1, 7);
+ if (pr & (1 << 8))
+ EXTD1.config->channels[8].cb(&EXTD1, 8);
+ if (pr & (1 << 9))
+ EXTD1.config->channels[9].cb(&EXTD1, 9);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI10_15_HANDLER)
+/**
+ * @brief EXTI[10]...EXTI[15] interrupt handler.
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(VectorE0) {
+ uint32_t pr;
+
+ CH_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
+ (1 << 15));
+ EXTI->PR = pr;
+ if (pr & (1 << 10))
+ EXTD1.config->channels[10].cb(&EXTD1, 10);
+ if (pr & (1 << 11))
+ EXTD1.config->channels[11].cb(&EXTD1, 11);
+ if (pr & (1 << 12))
+ EXTD1.config->channels[12].cb(&EXTD1, 12);
+ if (pr & (1 << 13))
+ EXTD1.config->channels[13].cb(&EXTD1, 13);
+ if (pr & (1 << 14))
+ EXTD1.config->channels[14].cb(&EXTD1, 14);
+ if (pr & (1 << 15))
+ EXTD1.config->channels[15].cb(&EXTD1, 15);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI16_HANDLER)
+/**
+ * @brief EXTI[16] interrupt handler (PVD).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector44) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 16);
+ EXTD1.config->channels[16].cb(&EXTD1, 16);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI17_HANDLER)
+/**
+ * @brief EXTI[17] interrupt handler (RTC Alarm).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(VectorE4) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 17);
+ EXTD1.config->channels[17].cb(&EXTD1, 17);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI18_HANDLER)
+/**
+ * @brief EXTI[18] interrupt handler (USB Wakeup).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(VectorE8) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 18);
+ EXTD1.config->channels[18].cb(&EXTD1, 18);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI19_HANDLER)
+/**
+ * @brief EXTI[19] interrupt handler (Tamper TimeStamp).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector48) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 19);
+ EXTD1.config->channels[19].cb(&EXTD1, 19);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI20_HANDLER)
+/**
+ * @brief EXTI[20] interrupt handler (RTC Wakeup).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector4C) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR = (1 << 20);
+ EXTD1.config->channels[20].cb(&EXTD1, 20);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI21_23_HANDLER)
+/**
+ * @brief EXTI[21]...EXTI[23] interrupt handler (COMP1, COMP2, COMP3).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector140) {
+ uint32_t pr;
+
+ CH_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 21) | (1 << 22) | (1 << 23));
+ EXTI->PR = pr;
+ if (pr & (1 << 21))
+ EXTD1.config->channels[21].cb(&EXTD1, 21);
+ if (pr & (1 << 22))
+ EXTD1.config->channels[22].cb(&EXTD1, 22);
+ if (pr & (1 << 23))
+ EXTD1.config->channels[23].cb(&EXTD1, 23);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI30_32_HANDLER)
+/**
+ * @brief EXTI[30]...EXTI[32] interrupt handler (COMP4, COMP5, COMP6).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(Vector144) {
+ uint32_t pr;
+
+ CH_IRQ_PROLOGUE();
+
+ pr = EXTI->PR & ((1 << 30) | (1 << 31));
+ EXTI->PR = pr;
+ if (pr & (1 << 30))
+ EXTD1.config->channels[30].cb(&EXTD1, 30);
+ if (pr & (1 << 31))
+ EXTD1.config->channels[31].cb(&EXTD1, 31);
+
+ pr = EXTI->PR2 & (1 << 0);
+ EXTI->PR2 = pr;
+ if (pr & (1 << 0))
+ EXTD1.config->channels[32].cb(&EXTD1, 32);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+#if !defined(STM32_DISABLE_EXTI33_HANDLER)
+/**
+ * @brief EXTI[33] interrupt handler (COMP7).
+ *
+ * @isr
+ */
+CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) {
+
+ CH_IRQ_PROLOGUE();
+
+ EXTI->PR2 = (1 << 1);
+ EXTD1.config->channels[33].cb(&EXTD1, 33);
+
+ CH_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(EXTI0_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI0_IRQ_PRIORITY));
+ nvicEnableVector(EXTI1_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI1_IRQ_PRIORITY));
+ nvicEnableVector(EXTI2_TS_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI2_IRQ_PRIORITY));
+ nvicEnableVector(EXTI3_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI3_IRQ_PRIORITY));
+ nvicEnableVector(EXTI4_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI4_IRQ_PRIORITY));
+ nvicEnableVector(EXTI9_5_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI5_9_IRQ_PRIORITY));
+ nvicEnableVector(EXTI15_10_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI10_15_IRQ_PRIORITY));
+ nvicEnableVector(PVD_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI16_IRQ_PRIORITY));
+ nvicEnableVector(RTC_Alarm_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI17_IRQ_PRIORITY));
+ nvicEnableVector(USBWakeUp_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY));
+ nvicEnableVector(TAMPER_STAMP_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY));
+ nvicEnableVector(RTC_WKUP_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY));
+ nvicEnableVector(COMP1_2_3_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_23_IRQ_PRIORITY));
+ nvicEnableVector(COMP4_5_6_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI30_32_IRQ_PRIORITY));
+ nvicEnableVector(COMP7_IRQn,
+ CORTEX_PRIORITY_MASK(STM32_EXT_EXTI33_IRQ_PRIORITY));
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(EXTI0_IRQn);
+ nvicDisableVector(EXTI1_IRQn);
+ nvicDisableVector(EXTI2_TS_IRQn);
+ nvicDisableVector(EXTI3_IRQn);
+ nvicDisableVector(EXTI4_IRQn);
+ nvicDisableVector(EXTI9_5_IRQn);
+ nvicDisableVector(EXTI15_10_IRQn);
+ nvicDisableVector(PVD_IRQn);
+ nvicDisableVector(RTC_Alarm_IRQn);
+ nvicDisableVector(USBWakeUp_IRQn);
+ nvicDisableVector(TAMPER_STAMP_IRQn);
+ nvicDisableVector(RTC_WKUP_IRQn);
+ nvicDisableVector(COMP1_2_3_IRQn);
+ nvicDisableVector(COMP4_5_6_IRQn);
+ nvicDisableVector(COMP7_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
diff --git a/os/hal/platforms/STM32F37x/ext_lld_isr.h b/os/hal/platforms/STM32F37x/ext_lld_isr.h
new file mode 100644
index 000000000..7b9364872
--- /dev/null
+++ b/os/hal/platforms/STM32F37x/ext_lld_isr.h
@@ -0,0 +1,181 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see .
+*/
+
+/**
+ * @file STM32F37x/ext_lld_isr.h
+ * @brief STM32F37x EXT subsystem low level driver ISR header.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_ISR_H_
+#define _EXT_LLD_ISR_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXTI0 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI0_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI1 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI1_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI2 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI2_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI3 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI3_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI4 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI4_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI5..9 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI10..15 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI16 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI16_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI17 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI17_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI18 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI19 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI20 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI21..23 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI21_23_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI30..32 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI30_32_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
+#endif
+
+/**
+ * @brief EXTI33 interrupt priority level setting.
+ */
+#if !defined(STM32_EXT_EXTI33_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_exti_irq_enable(void);
+ void ext_lld_exti_irq_disable(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_ISR_H_ */
+
+/** @} */
diff --git a/os/hal/platforms/STM32F37x/platform.mk b/os/hal/platforms/STM32F37x/platform.mk
index f3aaebd7b..9838c6e87 100644
--- a/os/hal/platforms/STM32F37x/platform.mk
+++ b/os/hal/platforms/STM32F37x/platform.mk
@@ -1,6 +1,7 @@
# List of all the STM32F37x platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32F37x/stm32_dma.c \
${CHIBIOS}/os/hal/platforms/STM32F37x/hal_lld.c \
+ ${CHIBIOS}/os/hal/platforms/STM32F37x/ext_lld_isr.c \
${CHIBIOS}/os/hal/platforms/STM32/can_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/gpt_lld.c \
${CHIBIOS}/os/hal/platforms/STM32/icu_lld.c \
diff --git a/testhal/STM32F30x/ADC/mcuconf.h b/testhal/STM32F30x/ADC/mcuconf.h
index 392ed7649..00fabf16b 100644
--- a/testhal/STM32F30x/ADC/mcuconf.h
+++ b/testhal/STM32F30x/ADC/mcuconf.h
@@ -103,7 +103,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/ADC_DUAL/mcuconf.h b/testhal/STM32F30x/ADC_DUAL/mcuconf.h
index c74b7d1cc..43d7426f7 100644
--- a/testhal/STM32F30x/ADC_DUAL/mcuconf.h
+++ b/testhal/STM32F30x/ADC_DUAL/mcuconf.h
@@ -103,7 +103,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/CAN/mcuconf.h b/testhal/STM32F30x/CAN/mcuconf.h
index 438e59dbe..43448dd86 100644
--- a/testhal/STM32F30x/CAN/mcuconf.h
+++ b/testhal/STM32F30x/CAN/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/EXT/mcuconf.h b/testhal/STM32F30x/EXT/mcuconf.h
index 438e59dbe..43448dd86 100644
--- a/testhal/STM32F30x/EXT/mcuconf.h
+++ b/testhal/STM32F30x/EXT/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/IRQ_STORM/mcuconf.h b/testhal/STM32F30x/IRQ_STORM/mcuconf.h
index 996f10c1b..565b67922 100644
--- a/testhal/STM32F30x/IRQ_STORM/mcuconf.h
+++ b/testhal/STM32F30x/IRQ_STORM/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/PWM-ICU/mcuconf.h b/testhal/STM32F30x/PWM-ICU/mcuconf.h
index 662a09b28..1a096c9c3 100644
--- a/testhal/STM32F30x/PWM-ICU/mcuconf.h
+++ b/testhal/STM32F30x/PWM-ICU/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/SPI/mcuconf.h b/testhal/STM32F30x/SPI/mcuconf.h
index e45f0d62d..29f8c3126 100644
--- a/testhal/STM32F30x/SPI/mcuconf.h
+++ b/testhal/STM32F30x/SPI/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/UART/mcuconf.h b/testhal/STM32F30x/UART/mcuconf.h
index c43945bbf..88a71a854 100644
--- a/testhal/STM32F30x/UART/mcuconf.h
+++ b/testhal/STM32F30x/UART/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6
diff --git a/testhal/STM32F30x/USB_CDC/mcuconf.h b/testhal/STM32F30x/USB_CDC/mcuconf.h
index ec1e46fa4..97a7b35f5 100644
--- a/testhal/STM32F30x/USB_CDC/mcuconf.h
+++ b/testhal/STM32F30x/USB_CDC/mcuconf.h
@@ -88,7 +88,7 @@
#define STM32_EXT_EXTI18_IRQ_PRIORITY 6
#define STM32_EXT_EXTI19_IRQ_PRIORITY 6
#define STM32_EXT_EXTI20_IRQ_PRIORITY 6
-#define STM32_EXT_EXTI21_23_IRQ_PRIORITY 6
+#define STM32_EXT_EXTI21_22_29_IRQ_PRIORITY 6
#define STM32_EXT_EXTI30_32_IRQ_PRIORITY 6
#define STM32_EXT_EXTI33_IRQ_PRIORITY 6