From 3b4b79d9bbaa2985d24cb94fd9833dbdabbddd79 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Tue, 8 Dec 2009 07:42:49 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1383 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32/platform.mk | 1 + os/hal/platforms/STM32/pwm_lld.c | 133 +++++++++++++++++++++++++++++++++++++ os/hal/platforms/STM32/pwm_lld.h | 105 +++++++++++++++++++++++++++++ 3 files changed, 239 insertions(+) create mode 100644 os/hal/platforms/STM32/pwm_lld.c create mode 100644 os/hal/platforms/STM32/pwm_lld.h (limited to 'os/hal/platforms') diff --git a/os/hal/platforms/STM32/platform.mk b/os/hal/platforms/STM32/platform.mk index e31325ccc..eea814567 100644 --- a/os/hal/platforms/STM32/platform.mk +++ b/os/hal/platforms/STM32/platform.mk @@ -3,6 +3,7 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32/hal_lld.c \ ${CHIBIOS}/os/hal/platforms/STM32/adc_lld.c \ ${CHIBIOS}/os/hal/platforms/STM32/can_lld.c \ ${CHIBIOS}/os/hal/platforms/STM32/pal_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/pwm_lld.c \ ${CHIBIOS}/os/hal/platforms/STM32/serial_lld.c \ ${CHIBIOS}/os/hal/platforms/STM32/spi_lld.c \ ${CHIBIOS}/os/hal/platforms/STM32/stm32_dma.c diff --git a/os/hal/platforms/STM32/pwm_lld.c b/os/hal/platforms/STM32/pwm_lld.c new file mode 100644 index 000000000..308556251 --- /dev/null +++ b/os/hal/platforms/STM32/pwm_lld.c @@ -0,0 +1,133 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2007 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 templates/pwm_lld.c + * @brief PWM Driver subsystem low level driver source template + * @addtogroup PWM_LLD + * @{ + */ + +#include "ch.h" +#include "hal.h" + +/*===========================================================================*/ +/* Low Level Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Low Level Driver local variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Low Level Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Low Level Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Low Level Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level PWM driver initialization. + */ +void pwm_lld_init(void) { + +} + +/** + * @brief Configures and activates the PWM peripheral. + * + * @param[in] pwmp pointer to the @p PWMDriver object + */ +void pwm_lld_start(PWMDriver *pwmp) { + + if (pwmp->pd_state == PWM_STOP) { + /* Clock activation.*/ + } + /* Configuration.*/ +} + +/** + * @brief Deactivates the PWM peripheral. + * + * @param[in] pwmp pointer to the @p PWMDriver object + */ +void pwm_lld_stop(PWMDriver *pwmp) { + +} + +/** + * @brief Determines whatever the PWM channel is already enabled. + * + * @param[in] pwmp pointer to the @p PWMDriver object + * @param[in] channel PWM channel identifier + * + * @return The PWM channel status. + * @retval FALSE the channel is not enabled. + * @retval TRUE the channel is enabled. + */ +bool_t pwm_lld_is_enabled(PWMDriver *pwmp, pwmchannel_t channel) { + + return FALSE; +} + +/** + * @brief Enables a callback mode for the specified PWM channel. + * @details The callback mode must be set before starting a PWM channel. + * + * @param[in] pwmp pointer to the @p PWMDriver object + * @param[in] channel PWM channel identifier + * @param[in] edge output edge mode + * @param[in] callback the callback function + */ +void pwm_lld_set_callback(PWMDriver *pwmp, pwmchannel_t channel, + pwmedge_t edge, pwmcallback_t callback) { + +} + +/** + * @brief Enables a PWM channel. + * + * @param[in] pwmp pointer to the @p PWMDriver object + * @param[in] channel PWM channel identifier + * @param[in] width PWM pulse width as clock pulses number + */ +void pwm_lld_enable_channel(PWMDriver *pwmp, + pwmchannel_t channel, + pwmcnt_t width) { + +} + +/** + * @brief Disables a PWM channel. + * @details The channel is disabled and its output line returned to the + * idle state. + * + * @param[in] pwmp pointer to the @p PWMDriver object + * @param[in] channel PWM channel identifier + */ +void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) { + +} + +/** @} */ diff --git a/os/hal/platforms/STM32/pwm_lld.h b/os/hal/platforms/STM32/pwm_lld.h new file mode 100644 index 000000000..8e57830f6 --- /dev/null +++ b/os/hal/platforms/STM32/pwm_lld.h @@ -0,0 +1,105 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2007 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 templates/pwm_lld.h + * @brief PWM Driver subsystem low level driver header template + * @addtogroup PWM_LLD + * @{ + */ + +#ifndef _PWM_LLD_H_ +#define _PWM_LLD_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @brief Number of PWM channels per PWM driver. + */ +#if !defined(PWM_CHANNELS) || defined(__DOXYGEN__) +#define PWM_CHANNELS 1 +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief PWM channel type. + */ +typedef uint8_t pwmchannel_t; + +/** + * @brief PWM counter type. + */ +typedef uint16_t pwmcnt_t; + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { + +} PWMConfig; + +/** + * @brief Structure representing an PWM driver. + */ +typedef struct { + /** + * @brief Driver state. + */ + pwmstate_t pd_state; + /** + * @brief Current configuration data. + */ + const PWMConfig *pd_config; + /* End of the mandatory fields.*/ +} PWMDriver; + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void pwm_lld_init(void); + void pwm_lld_start(PWMDriver *pwmp); + void pwm_lld_stop(PWMDriver *pwmp); + bool_t pwm_lld_is_enabled(PWMDriver *pwmp, pwmchannel_t channel); + void pwm_lld_set_callback(PWMDriver *pwmp, pwmchannel_t channel, + pwmedge_t edge, pwmcallback_t callback); + void pwm_lld_enable_channel(PWMDriver *pwmp, + pwmchannel_t channel, + pwmcnt_t width); + void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel); +#ifdef __cplusplus +} +#endif + +#endif /* _PWM_LLD_H_ */ + +/** @} */ -- cgit v1.2.3