1 files changed, 170 insertions, 0 deletions

diff --git a/lib/chibios/os/hal/ports/STM32/LLD/TIMv1/stm32_tim20.inc b/lib/chibios/os/hal/ports/STM32/LLD/TIMv1/stm32_tim20.inc
new file mode 100644
index 000000000..1b0899811
--- /dev/null
+++ b/lib/chibios/os/hal/ports/STM32/LLD/TIMv1/stm32_tim20.inc
@@ -0,0 +1,170 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    TIMv1/stm32_tim20.inc
+ * @brief   Shared TIM20 handler.
+ *
+ * @addtogroup STM32_TIM20_HANDLER
+ * @{
+ */
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/* Registry checks for robustness.*/
+#if !defined(STM32_HAS_TIM20)
+#error "STM32_HAS_TIM20 not defined in registry"
+#endif
+
+/* Driver checks for robustness, undefined USE macros are defaulted to
+   FALSE. This makes this module independent from drivers implementation.*/
+#if !defined(STM32_GPT_USE_TIM20)
+#define STM32_GPT_USE_TIM20                 FALSE
+#endif
+#if !defined(STM32_ICU_USE_TIM20)
+#define STM32_ICU_USE_TIM20                 FALSE
+#endif
+#if !defined(STM32_PWM_USE_TIM20)
+#define STM32_PWM_USE_TIM20                 FALSE
+#endif
+#if !defined(STM32_ST_USE_TIM20)
+#define STM32_ST_USE_TIM20                  FALSE
+#endif
+
+#if STM32_HAS_TIM20
+
+/* Priority settings checks.*/
+#if !defined(STM32_IRQ_TIM20_UP_PRIORITY)
+#error "STM32_IRQ_TIM20_UP_PRIORITY not defined in mcuconf.h"
+#endif
+
+#if !defined(STM32_IRQ_TIM20_CC_PRIORITY)
+#error "STM32_IRQ_TIM20_CC_PRIORITY not defined in mcuconf.h"
+#endif
+
+#if !OSAL_IRQ_IS_VALID_PRIORITY(STM32_IRQ_TIM20_UP_PRIORITY)
+#error "Invalid IRQ priority assigned to STM32_IRQ_TIM20_UP_PRIORITY"
+#endif
+
+#if !OSAL_IRQ_IS_VALID_PRIORITY(STM32_IRQ_TIM20_CC_PRIORITY)
+#error "Invalid IRQ priority assigned to STM32_IRQ_TIM20_CC_PRIORITY"
+#endif
+
+#endif /* STM32_HAS_TIM20 */
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+static inline void tim20_irq_init(void) {
+#if defined(STM32_TIM20_IS_USED)
+  nvicEnableVector(STM32_TIM20_UP_NUMBER, STM32_IRQ_TIM20_UP_PRIORITY);
+  nvicEnableVector(STM32_TIM20_CC_NUMBER, STM32_IRQ_TIM20_CC_PRIORITY);
+#endif
+}
+
+static inline void tim20_irq_deinit(void) {
+#if defined(STM32_TIM20_IS_USED)
+  nvicDisableVector(STM32_TIM20_UP_NUMBER);
+  nvicDisableVector(STM32_TIM20_CC_NUMBER);
+#endif
+}
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+#if defined(STM32_TIM20_IS_USED) || defined(__DOXYGEN__)
+/**
+ * @brief   TIM20-UP interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_TIM20_UP_HANDLER) {
+
+  OSAL_IRQ_PROLOGUE();
+
+#if HAL_USE_GPT
+#if STM32_GPT_USE_TIM20
+  pwm_lld_serve_interrupt(&GPTD20);
+#endif
+#endif
+#if HAL_USE_ICU
+#if STM32_ICU_USE_TIM20
+  pwm_lld_serve_interrupt(&ICUD20);
+#endif
+#endif
+#if HAL_USE_PWM
+#if STM32_PWM_USE_TIM20
+  pwm_lld_serve_interrupt(&PWMD20);
+#endif
+#endif
+#if 1
+#if STM32_ST_USE_TIM20
+  st_lld_serve_interrupt();
+#endif
+#endif
+
+  OSAL_IRQ_EPILOGUE();
+}
+
+/**
+ * @brief   TIM20-CC interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(STM32_TIM20_CC_HANDLER) {
+
+  OSAL_IRQ_PROLOGUE();
+
+#if HAL_USE_GPT
+  /* Not used by GPT.*/
+#endif
+#if STM32_ICU_USE_TIM20
+  pwm_lld_serve_interrupt(&ICUD20);
+#endif
+#if HAL_USE_PWM
+#if STM32_PWM_USE_TIM20
+  pwm_lld_serve_interrupt(&PWMD20);
+#endif
+#endif
+#if 1
+  /* Not used by ST.*/
+#endif
+
+  OSAL_IRQ_EPILOGUE();
+}
+#endif
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/** @} */