diff options
Diffstat (limited to 'os/hal')
-rw-r--r-- | os/hal/hal.mk | 1 | ||||
-rw-r--r-- | os/hal/include/hal.h | 1 | ||||
-rw-r--r-- | os/hal/platforms/STM32/platform.mk | 1 | ||||
-rw-r--r-- | os/hal/platforms/STM32/pwm_lld.c | 133 | ||||
-rw-r--r-- | os/hal/platforms/STM32/pwm_lld.h | 105 | ||||
-rw-r--r-- | os/hal/src/pwm.c | 5 | ||||
-rw-r--r-- | os/hal/templates/halconf.h | 8 | ||||
-rw-r--r-- | os/hal/templates/pwm_lld.c | 56 |
8 files changed, 307 insertions, 3 deletions
diff --git a/os/hal/hal.mk b/os/hal/hal.mk index 638a72f23..5d78dccc7 100644 --- a/os/hal/hal.mk +++ b/os/hal/hal.mk @@ -5,6 +5,7 @@ HALSRC = ${CHIBIOS}/os/hal/src/hal.c \ ${CHIBIOS}/os/hal/src/can.c \
${CHIBIOS}/os/hal/src/mac.c \
${CHIBIOS}/os/hal/src/pal.c \
+ ${CHIBIOS}/os/hal/src/pwm.c \
${CHIBIOS}/os/hal/src/serial.c \
${CHIBIOS}/os/hal/src/spi.c \
${CHIBIOS}/os/hal/src/mmc_spi.c
diff --git a/os/hal/include/hal.h b/os/hal/include/hal.h index 0d3b699eb..cf4def764 100644 --- a/os/hal/include/hal.h +++ b/os/hal/include/hal.h @@ -36,6 +36,7 @@ #include "adc.h"
#include "can.h"
#include "mac.h"
+#include "pwm.h"
#include "serial.h"
#include "spi.h"
#include "mmc_spi.h"
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 <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @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 <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @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_ */
+
+/** @} */
diff --git a/os/hal/src/pwm.c b/os/hal/src/pwm.c index ef4260629..f026a62ef 100644 --- a/os/hal/src/pwm.c +++ b/os/hal/src/pwm.c @@ -43,7 +43,7 @@ void pwmInit(void) { void pwmObjectInit(PWMDriver *pwmp) {
pwmp->pd_state = PWM_STOP;
- pwmp->pwm_config = NULL;
+ pwmp->pd_config = NULL;
}
/**
@@ -130,7 +130,8 @@ void pwmEnableChannel(PWMDriver *pwmp, /**
* @brief Disables a PWM channel.
- * @details The channel output line is returned to its idle state and disabled.
+ * @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
diff --git a/os/hal/templates/halconf.h b/os/hal/templates/halconf.h index f173a3fa3..1845d5323 100644 --- a/os/hal/templates/halconf.h +++ b/os/hal/templates/halconf.h @@ -24,6 +24,14 @@ * @{
*/
+/*
+ * HAL configuration file, this file allows to enable or disable the various
+ * device drivers from your application. You may also use this file in order
+ * to change the device drivers settings found in the low level drivers
+ * headers, just define here the new settings and those will override the
+ * defaults defined in the LLD headers. + */
+
#ifndef _HALCONF_H_
#define _HALCONF_H_
diff --git a/os/hal/templates/pwm_lld.c b/os/hal/templates/pwm_lld.c index 7fa1297b7..18d03d68c 100644 --- a/os/hal/templates/pwm_lld.c +++ b/os/hal/templates/pwm_lld.c @@ -61,7 +61,7 @@ void pwm_lld_init(void) { */
void pwm_lld_start(PWMDriver *pwmp) {
- if (pwmp->pwm_state == PWM_STOP) {
+ if (pwmp->pd_state == PWM_STOP) {
/* Clock activation.*/
}
/* Configuration.*/
@@ -76,4 +76,58 @@ 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) {
+
+}
+
/** @} */
|