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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-01-24 14:25:46 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-01-24 14:25:46 +0000
commit156a9e9fa71badb88476ac2bbc1219587ea8e7bb (patch)
tree8e6adb5c968a6ac67a188c094ca062e196ddf19f /os/hal/ports/STM32/LLD/TIMv1/gpt_lld.h
parentcd98598fd8dda30d4ff002a451eae569d8a56f1e (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6643 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports/STM32/LLD/TIMv1/gpt_lld.h')
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diff --git a/os/hal/ports/STM32/LLD/TIMv1/gpt_lld.h b/os/hal/ports/STM32/LLD/TIMv1/gpt_lld.h
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+++ b/os/hal/ports/STM32/LLD/TIMv1/gpt_lld.h
@@ -0,0 +1,512 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/gpt_lld.h
+ * @brief STM32 GPT subsystem low level driver header.
+ *
+ * @addtogroup GPT
+ * @{
+ */
+
+#ifndef _GPT_LLD_H_
+#define _GPT_LLD_H_
+
+#include "stm32_tim.h"
+
+#if HAL_USE_GPT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief GPTD1 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD1 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM1) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM1 FALSE
+#endif
+
+/**
+ * @brief GPTD2 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD2 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM2) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM2 FALSE
+#endif
+
+/**
+ * @brief GPTD3 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD3 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM3) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM3 FALSE
+#endif
+
+/**
+ * @brief GPTD4 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD4 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM4) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM4 FALSE
+#endif
+
+/**
+ * @brief GPTD5 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD5 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM5) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM5 FALSE
+#endif
+
+/**
+ * @brief GPTD6 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD6 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM6) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM6 FALSE
+#endif
+
+/**
+ * @brief GPTD7 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD7 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM7) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM7 FALSE
+#endif
+
+/**
+ * @brief GPTD8 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD8 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM8) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM8 FALSE
+#endif
+
+/**
+ * @brief GPTD9 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD9 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM9) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM9 FALSE
+#endif
+
+/**
+ * @brief GPTD11 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD11 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM11) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM11 FALSE
+#endif
+
+/**
+ * @brief GPTD12 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD12 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM12) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM12 FALSE
+#endif
+
+/**
+ * @brief GPTD14 driver enable switch.
+ * @details If set to @p TRUE the support for GPTD14 is included.
+ * @note The default is @p TRUE.
+ */
+#if !defined(STM32_GPT_USE_TIM14) || defined(__DOXYGEN__)
+#define STM32_GPT_USE_TIM14 FALSE
+#endif
+
+/**
+ * @brief GPTD1 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM1_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM1_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD2 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM2_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM2_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD3 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM3_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM3_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD4 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM4_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM4_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD5 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM5_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM5_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD6 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM6_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM6_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD7 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM7_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM7_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD8 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM8_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM8_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD9 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM9_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM9_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD11 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM11_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM11_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD12 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM12_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM12_IRQ_PRIORITY 7
+#endif
+
+/**
+ * @brief GPTD14 interrupt priority level setting.
+ */
+#if !defined(STM32_GPT_TIM14_IRQ_PRIORITY) || defined(__DOXYGEN__)
+#define STM32_GPT_TIM14_IRQ_PRIORITY 7
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_GPT_USE_TIM1 && !STM32_HAS_TIM1
+#error "TIM1 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM2 && !STM32_HAS_TIM2
+#error "TIM2 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM3 && !STM32_HAS_TIM3
+#error "TIM3 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM4 && !STM32_HAS_TIM4
+#error "TIM4 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM5 && !STM32_HAS_TIM5
+#error "TIM5 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM6 && !STM32_HAS_TIM6
+#error "TIM6 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM7 && !STM32_HAS_TIM7
+#error "TIM7 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM8 && !STM32_HAS_TIM8
+#error "TIM8 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM9 && !STM32_HAS_TIM9
+#error "TIM9 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM11 && !STM32_HAS_TIM11
+#error "TIM11 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM12 && !STM32_HAS_TIM12
+#error "TIM12 not present in the selected device"
+#endif
+
+#if STM32_GPT_USE_TIM14 && !STM32_HAS_TIM14
+#error "TIM14 not present in the selected device"
+#endif
+
+#if !STM32_GPT_USE_TIM1 && !STM32_GPT_USE_TIM2 && \
+ !STM32_GPT_USE_TIM3 && !STM32_GPT_USE_TIM4 && \
+ !STM32_GPT_USE_TIM5 && !STM32_GPT_USE_TIM6 && \
+ !STM32_GPT_USE_TIM7 && !STM32_GPT_USE_TIM8 && \
+ !STM32_GPT_USE_TIM9 && !STM32_GPT_USE_TIM11 && \
+ !STM32_GPT_USE_TIM12 && !STM32_GPT_USE_TIM14
+#error "GPT driver activated but no TIM peripheral assigned"
+#endif
+
+#if STM32_GPT_USE_TIM1 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM1_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM1"
+#endif
+
+#if STM32_GPT_USE_TIM2 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM2_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM2"
+#endif
+
+#if STM32_GPT_USE_TIM3 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM3_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM3"
+#endif
+
+#if STM32_GPT_USE_TIM4 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM4_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM4"
+#endif
+
+#if STM32_GPT_USE_TIM5 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM5_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM5"
+#endif
+
+#if STM32_GPT_USE_TIM6 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM6_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM6"
+#endif
+
+#if STM32_GPT_USE_TIM7 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM7_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM7"
+#endif
+
+#if STM32_GPT_USE_TIM8 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM8_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM8"
+#endif
+
+#if STM32_GPT_USE_TIM9 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM9_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM9"
+#endif
+
+#if STM32_GPT_USE_TIM11 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM11_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM11"
+#endif
+
+#if STM32_GPT_USE_TIM12 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM12_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM12"
+#endif
+
+#if STM32_GPT_USE_TIM14 && \
+ !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_GPT_TIM14_IRQ_PRIORITY)
+#error "Invalid IRQ priority assigned to TIM14"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief GPT frequency type.
+ */
+typedef uint32_t gptfreq_t;
+
+/**
+ * @brief GPT counter type.
+ */
+typedef uint32_t gptcnt_t;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ /**
+ * @brief Timer clock in Hz.
+ * @note The low level can use assertions in order to catch invalid
+ * frequency specifications.
+ */
+ gptfreq_t frequency;
+ /**
+ * @brief Timer callback pointer.
+ * @note This callback is invoked on GPT counter events.
+ */
+ gptcallback_t callback;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief TIM DIER register initialization data.
+ * @note The value of this field should normally be equal to zero.
+ * @note Only the DMA-related bits can be specified in this field.
+ */
+ uint32_t dier;
+} GPTConfig;
+
+/**
+ * @brief Structure representing a GPT driver.
+ */
+struct GPTDriver {
+ /**
+ * @brief Driver state.
+ */
+ gptstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const GPTConfig *config;
+#if defined(GPT_DRIVER_EXT_FIELDS)
+ GPT_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Timer base clock.
+ */
+ uint32_t clock;
+ /**
+ * @brief Pointer to the TIMx registers block.
+ */
+ stm32_tim_t *tim;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Changes the interval of GPT peripheral.
+ * @details This function changes the interval of a running GPT unit.
+ * @pre The GPT unit must have been activated using @p gptStart().
+ * @pre The GPT unit must have been running in continuous mode using
+ * @p gptStartContinuous().
+ * @post The GPT unit interval is changed to the new value.
+ * @note The function has effect at the next cycle start.
+ *
+ * @param[in] gptp pointer to a @p GPTDriver object
+ * @param[in] interval new cycle time in timer ticks
+ * @notapi
+ */
+#define gpt_lld_change_interval(gptp, interval) \
+ ((gptp)->tim->ARR = (uint32_t)((interval) - 1))
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_GPT_USE_TIM1 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD1;
+#endif
+
+#if STM32_GPT_USE_TIM2 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD2;
+#endif
+
+#if STM32_GPT_USE_TIM3 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD3;
+#endif
+
+#if STM32_GPT_USE_TIM4 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD4;
+#endif
+
+#if STM32_GPT_USE_TIM5 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD5;
+#endif
+
+#if STM32_GPT_USE_TIM6 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD6;
+#endif
+
+#if STM32_GPT_USE_TIM7 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD7;
+#endif
+
+#if STM32_GPT_USE_TIM8 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD8;
+#endif
+
+#if STM32_GPT_USE_TIM9 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD9;
+#endif
+
+#if STM32_GPT_USE_TIM11 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD11;
+#endif
+
+#if STM32_GPT_USE_TIM12 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD12;
+#endif
+
+#if STM32_GPT_USE_TIM14 && !defined(__DOXYGEN__)
+extern GPTDriver GPTD14;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void gpt_lld_init(void);
+ void gpt_lld_start(GPTDriver *gptp);
+ void gpt_lld_stop(GPTDriver *gptp);
+ void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period);
+ void gpt_lld_stop_timer(GPTDriver *gptp);
+ void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_GPT */
+
+#endif /* _GPT_LLD_H_ */
+
+/** @} */