diff options
Diffstat (limited to 'os/hal/ports/TIVA/LLD/GPTM/hal_gpt_lld.h')
-rw-r--r-- | os/hal/ports/TIVA/LLD/GPTM/hal_gpt_lld.h | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/os/hal/ports/TIVA/LLD/GPTM/hal_gpt_lld.h b/os/hal/ports/TIVA/LLD/GPTM/hal_gpt_lld.h new file mode 100644 index 0000000..88a6809 --- /dev/null +++ b/os/hal/ports/TIVA/LLD/GPTM/hal_gpt_lld.h @@ -0,0 +1,501 @@ +/* + Copyright (C) 2014..2016 Marco Veeneman + + 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 TIVA/gpt_lld.h + * @brief TM4C123x/TM4C129x GPT subsystem low level driver header. + * + * @addtogroup GPT + * @{ + */ + +#ifndef HAL_GPT_LLD_H +#define HAL_GPT_LLD_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 FALSE. + */ +#if !defined(TIVA_GPT_USE_GPT0) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_GPT0 FALSE +#endif + +/** + * @brief GPTD2 driver enable switch. + * @details If set to @p TRUE the support for GPTD2 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_GPT1) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_GPT1 FALSE +#endif + +/** + * @brief GPTD3 driver enable switch. + * @details If set to @p TRUE the support for GPTD3 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_GPT2) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_GPT2 FALSE +#endif + +/** + * @brief GPTD4 driver enable switch. + * @details If set to @p TRUE the support for GPTD4 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_GPT3) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_GPT3 FALSE +#endif + +/** + * @brief GPTD5 driver enable switch. + * @details If set to @p TRUE the support for GPTD5 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_GPT4) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_GPT4 FALSE +#endif + +/** + * @brief GPTD6 driver enable switch. + * @details If set to @p TRUE the support for GPTD6 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_GPT5) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_GPT5 FALSE +#endif + +/** + * @brief GPTD7 driver enable switch. + * @details If set to @p TRUE the support for GPTD1 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_WGPT0) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_WGPT0 FALSE +#endif + +/** + * @brief GPTD8 driver enable switch. + * @details If set to @p TRUE the support for GPTD2 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_WGPT1) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_WGPT1 FALSE +#endif + +/** + * @brief GPTD9 driver enable switch. + * @details If set to @p TRUE the support for GPTD3 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_WGPT2) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_WGPT2 FALSE +#endif + +/** + * @brief GPTD10 driver enable switch. + * @details If set to @p TRUE the support for GPTD4 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_WGPT3) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_WGPT3 FALSE +#endif + +/** + * @brief GPTD11 driver enable switch. + * @details If set to @p TRUE the support for GPTD5 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_WGPT4) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_WGPT4 FALSE +#endif + +/** + * @brief GPTD12 driver enable switch. + * @details If set to @p TRUE the support for GPTD6 is included. + * @note The default is @p FALSE. + */ +#if !defined(TIVA_GPT_USE_WGPT5) || defined(__DOXYGEN__) +#define TIVA_GPT_USE_WGPT5 FALSE +#endif + +/** + * @brief GPTD1 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_GPT0A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_GPT0A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD2 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_GPT1A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_GPT1A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD3 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_GPT2A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_GPT2A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD4 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_GPT3A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_GPT3A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD5 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_GPT4A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_GPT4A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD6 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_GPT5A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_GPT5A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD7 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_WGPT0A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_WGPT0A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD8 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_WGPT1A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_WGPT1A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD9 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_WGPT2A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_WGPT2A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD10 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_WGPT3A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_WGPT3A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD11 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_WGPT4A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_WGPT4A_IRQ_PRIORITY 7 +#endif + +/** + * @brief GPTD12 interrupt priority level setting. + */ +#if !defined(TIVA_GPT_WGPT5A_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define TIVA_GPT_WGPT5A_IRQ_PRIORITY 7 +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if TIVA_GPT_USE_GPT0 && !TIVA_HAS_GPT0 +#error "GPT0 not present in the selected device" +#endif + +#if TIVA_GPT_USE_GPT1 && !TIVA_HAS_GPT1 +#error "GPT1 not present in the selected device" +#endif + +#if TIVA_GPT_USE_GPT2 && !TIVA_HAS_GPT2 +#error "GPT2 not present in the selected device" +#endif + +#if TIVA_GPT_USE_GPT3 && !TIVA_HAS_GPT3 +#error "GPT3 not present in the selected device" +#endif + +#if TIVA_GPT_USE_GPT4 && !TIVA_HAS_GPT4 +#error "GPT4 not present in the selected device" +#endif + +#if TIVA_GPT_USE_GPT5 && !TIVA_HAS_GPT5 +#error "GPT5 not present in the selected device" +#endif + +#if TIVA_GPT_USE_WGPT0 && !TIVA_HAS_WGPT0 +#error "WGPT0 not present in the selected device" +#endif + +#if TIVA_GPT_USE_WGPT1 && !TIVA_HAS_WGPT1 +#error "WGPT1 not present in the selected device" +#endif + +#if TIVA_GPT_USE_WGPT2 && !TIVA_HAS_WGPT2 +#error "WGPT2 not present in the selected device" +#endif + +#if TIVA_GPT_USE_WGPT3 && !TIVA_HAS_WGPT3 +#error "WGPT3 not present in the selected device" +#endif + +#if TIVA_GPT_USE_WGPT4 && !TIVA_HAS_WGPT4 +#error "WGPT4 not present in the selected device" +#endif + +#if TIVA_GPT_USE_WGPT5 && !TIVA_HAS_WGPT5 +#error "WGPT5 not present in the selected device" +#endif + +#if !TIVA_GPT_USE_GPT0 && !TIVA_GPT_USE_GPT1 && !TIVA_GPT_USE_GPT2 && \ + !TIVA_GPT_USE_GPT3 && !TIVA_GPT_USE_GPT4 && !TIVA_GPT_USE_GPT5 && \ + !TIVA_GPT_USE_WGPT0 && !TIVA_GPT_USE_WGPT1 && !TIVA_GPT_USE_WGPT2 && \ + !TIVA_GPT_USE_WGPT3 && !TIVA_GPT_USE_WGPT4 && !TIVA_GPT_USE_WGPT5 +#error "GPT driver activated but no (W)GPT peripheral assigned" +#endif + +#if TIVA_GPT_USE_GPT0 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_GPT0A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPT0" +#endif + +#if TIVA_GPT_USE_GPT1 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_GPT1A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPT1" +#endif + +#if TIVA_GPT_USE_GPT2 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_GPT2A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPT2" +#endif + +#if TIVA_GPT_USE_GPT3 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_GPT3A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPT3" +#endif + +#if TIVA_GPT_USE_GPT4 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_GPT4A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPT4" +#endif + +#if TIVA_GPT_USE_GPT5 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_GPT5A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to GPT5" +#endif + +#if TIVA_GPT_USE_WGPT0 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_WGPT0A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to WGPT0" +#endif + +#if TIVA_GPT_USE_WGPT1 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_WGPT1A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to WGPT1" +#endif + +#if TIVA_GPT_USE_WGPT2 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_WGPT2A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to WGPT2" +#endif + +#if TIVA_GPT_USE_WGPT3 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_WGPT3A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to WGPT3" +#endif + +#if TIVA_GPT_USE_WGPT4 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_WGPT4A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to WGPT4" +#endif + +#if TIVA_GPT_USE_WGPT5 && \ + !OSAL_IRQ_IS_VALID_PRIORITY(TIVA_GPT_WGPT5A_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to WGPT5" +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief GPT frequency type. + */ +typedef uint32_t gptfreq_t; + +/** + * @brief GPT counter type. + */ +typedef uint16_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.*/ +} 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 Pointer to the GPT registers block. + */ + uint32_t gpt; +}; + +/*===========================================================================*/ +/* 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) { \ + HWREG(gptp->gpt + TIMER_O_TAILR) = interval - 1; \ +} + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if TIVA_GPT_USE_GPT0 && !defined(__DOXYGEN__) +extern GPTDriver GPTD1; +#endif + +#if TIVA_GPT_USE_GPT1 && !defined(__DOXYGEN__) +extern GPTDriver GPTD2; +#endif + +#if TIVA_GPT_USE_GPT2 && !defined(__DOXYGEN__) +extern GPTDriver GPTD3; +#endif + +#if TIVA_GPT_USE_GPT3 && !defined(__DOXYGEN__) +extern GPTDriver GPTD4; +#endif + +#if TIVA_GPT_USE_GPT4 && !defined(__DOXYGEN__) +extern GPTDriver GPTD5; +#endif + +#if TIVA_GPT_USE_GPT5 && !defined(__DOXYGEN__) +extern GPTDriver GPTD6; +#endif + +#if TIVA_GPT_USE_WGPT0 && !defined(__DOXYGEN__) +extern GPTDriver GPTD7; +#endif + +#if TIVA_GPT_USE_WGPT1 && !defined(__DOXYGEN__) +extern GPTDriver GPTD8; +#endif + +#if TIVA_GPT_USE_WGPT2 && !defined(__DOXYGEN__) +extern GPTDriver GPTD9; +#endif + +#if TIVA_GPT_USE_WGPT3 && !defined(__DOXYGEN__) +extern GPTDriver GPTD10; +#endif + +#if TIVA_GPT_USE_WGPT4 && !defined(__DOXYGEN__) +extern GPTDriver GPTD11; +#endif + +#if TIVA_GPT_USE_WGPT5 && !defined(__DOXYGEN__) +extern GPTDriver GPTD12; +#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 /* HAL_GPT_LLD_H */ + +/** @} */ |