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Merge pull request #69 from sdalu/pwm 

PWM support for nRF51
This commit is contained in:
Fabio Utzig 2016-05-08 21:15:36 -03:00
parent 03c1e50742 aad6da5b99
commit 83569a1248
8 changed files with 1828 additions and 1 deletions
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366
os/hal/ports/NRF51/NRF51822/hal_pwm_lld.c Normal file
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/*
ChibiOS/HAL - Copyright (C) 2016 Stéphane D'Alu
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 hal_pwm_lld.c
* @brief NRF51 PWM subsystem low level driver source.
*
* @addtogroup PWM
* @{
*/
#include "hal.h"
#if HAL_USE_PWM || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/**
* @brief PWMD1 driver identifier.
* @note The driver PWMD1 allocates the timer TIMER0 when enabled.
*/
#if NRF51_PWM_USE_TIMER0 || defined(__DOXYGEN__)
PWMDriver PWMD1;
#endif
/**
* @brief PWMD2 driver identifier.
* @note The driver PWMD2 allocates the timer TIMER1 when enabled.
*/
#if NRF51_PWM_USE_TIMER1 || defined(__DOXYGEN__)
PWMDriver PWMD2;
#endif
/**
* @brief PWMD3 driver identifier.
* @note The driver PWMD3 allocates the timer TIMER2 when enabled.
*/
#if NRF51_PWM_USE_TIMER2 || defined(__DOXYGEN__)
PWMDriver PWMD3;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
static void pwm_lld_serve_interrupt(PWMDriver *pwmp) {
// Deal with PWM period
if (pwmp->timer->EVENTS_COMPARE[pwmp->channels]) {
pwmp->timer->EVENTS_COMPARE[pwmp->channels] = 0;
if (pwmp->config->callback != NULL) {
pwmp->config->callback(pwmp);
}
}
// Deal with PWM channels
uint8_t n;
for (n = 0 ; n < pwmp->channels ; n++) {
if (pwmp->timer->EVENTS_COMPARE[n]) {
pwmp->timer->EVENTS_COMPARE[n] = 0;
if (pwmp->config->channels[n].callback != NULL) {
pwmp->config->channels[n].callback(pwmp);
}
}
}
}
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
#if NRF51_PWM_USE_TIMER0
/**
* @brief TIMER0 interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector60) {
OSAL_IRQ_PROLOGUE();
pwm_lld_serve_interrupt(&PWMD1);
OSAL_IRQ_EPILOGUE();
}
#endif /* NRF51_PWM_USE_TIMER0 */
#if NRF51_PWM_USE_TIMER1
/**
* @brief TIMER1 interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector64) {
OSAL_IRQ_PROLOGUE();
pwm_lld_serve_interrupt(&PWMD2);
OSAL_IRQ_EPILOGUE();
}
#endif /* NRF51_PWM_USE_TIMER1 */
#if NRF51_PWM_USE_TIMER2
/**
* @brief TIMER2 interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(Vector68) {
OSAL_IRQ_PROLOGUE();
pwm_lld_serve_interrupt(&PWMD3);
OSAL_IRQ_EPILOGUE();
}
#endif /* NRF51_PWM_USE_TIMER2 */
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level PWM driver initialization.
*
* @notapi
*/
void pwm_lld_init(void) {
#if NRF51_PWM_USE_TIMER0
pwmObjectInit(&PWMD1);
PWMD1.channels = PWM_CHANNELS;
PWMD1.timer = NRF_TIMER0;
#endif
#if NRF51_PWM_USE_TIMER1
pwmObjectInit(&PWMD2);
PWMD2.channels = PWM_CHANNELS;
PWMD2.timer = NRF_TIMER1;
#endif
#if NRF51_PWM_USE_TIMER2
pwmObjectInit(&PWMD3);
PWMD3.channels = PWM_CHANNELS;
PWMD3.timer = NRF_TIMER2;
#endif
}
/**
* @brief Configures and activates the PWM peripheral.
* @note Starting a driver that is already in the @p PWM_READY state
* disables all the active channels.
*
* @param[in] pwmp pointer to a @p PWMDriver object
*
* @notapi
*/
void pwm_lld_start(PWMDriver *pwmp) {
// Prescaler value calculation: ftimer = 16MHz / 2^PRESCALER
uint16_t psc_ratio = NRF51_HFCLK_FREQUENCY / pwmp->config->frequency;
// Prescaler ratio must be between 1 and 512, and a power of two.
osalDbgAssert(psc_ratio <= 512 && !(psc_ratio & (psc_ratio - 1)),
"invalid frequency");
// Prescaler value as a power of 2, must be 0..9
uint32_t psc_value;
for (psc_value = 0; psc_value < 10; psc_value++)
if (psc_ratio == (unsigned)(1 << psc_value))
break;
// Configure as 16bits timer (only TIMER0 support 32bits)
pwmp->timer->BITMODE = TIMER_BITMODE_BITMODE_16Bit;
pwmp->timer->MODE = TIMER_MODE_MODE_Timer;
// With clear shortcuts for period
pwmp->timer->SHORTS =
0x1UL << (TIMER_SHORTS_COMPARE0_CLEAR_Pos + pwmp->channels);
// Disable and reset interrupts for compare events
pwmp->timer->INTENCLR = (TIMER_INTENCLR_COMPARE0_Msk |
TIMER_INTENCLR_COMPARE1_Msk |
TIMER_INTENCLR_COMPARE2_Msk |
TIMER_INTENCLR_COMPARE3_Msk );
pwmp->timer->EVENTS_COMPARE[0] = 0;
pwmp->timer->EVENTS_COMPARE[1] = 0;
pwmp->timer->EVENTS_COMPARE[2] = 0;
pwmp->timer->EVENTS_COMPARE[3] = 0;
// Set prescaler
pwmp->timer->PRESCALER = psc_value;
// Set period
pwmp->timer->CC[pwmp->channels] = pwmp->period;
// Clear everything
pwmp->timer->TASKS_CLEAR = 1;
// Enable interrupt
#if NRF51_PWM_USE_TIMER0
if (&PWMD1 == pwmp) {
nvicEnableVector(TIMER0_IRQn, NRF51_PWM_TIMER0_PRIORITY);
}
#endif
#if NRF51_PWM_USE_TIMER1
if (&PWMD2 == pwmp) {
nvicEnableVector(TIMER1_IRQn, NRF51_PWM_TIMER1_PRIORITY);
}
#endif
#if NRF51_PWM_USE_TIMER2
if (&PWMD3 == pwmp) {
nvicEnableVector(TIMER2_IRQn, NRF51_PWM_TIMER2_PRIORITY);
}
#endif
// Start timer
pwmp->timer->TASKS_START = 1;
}
/**
* @brief Deactivates the PWM peripheral.
*
* @param[in] pwmp pointer to a @p PWMDriver object
*
* @notapi
*/
void pwm_lld_stop(PWMDriver *pwmp) {
pwmp->timer->TASKS_STOP = 1;
#if NRF51_PWM_USE_TIMER0
if (&PWMD1 == pwmp) {
nvicDisableVector(TIMER0_IRQn);
}
#endif
#if NRF51_PWM_USE_TIMER1
if (&PWMD2 == pwmp) {
nvicDisableVector(TIMER1_IRQn);
}
#endif
#if NRF51_PWM_USE_TIMER2
if (&PWMD3 == pwmp) {
nvicDisableVector(TIMER2_IRQn);
}
#endif
}
/**
* @brief Enables a PWM channel.
* @pre The PWM unit must have been activated using @p pwmStart().
* @post The channel is active using the specified configuration.
* @note The function has effect at the next cycle start.
* @note Channel notification is not enabled.
*
* @param[in] pwmp pointer to a @p PWMDriver object
* @param[in] channel PWM channel identifier (0...channels-1)
* @param[in] width PWM pulse width as clock pulses number
*
* @notapi
*/
void pwm_lld_enable_channel(PWMDriver *pwmp,
pwmchannel_t channel,
pwmcnt_t width) {
pwmp->timer->CC[channel] = width;
}
/**
* @brief Disables a PWM channel and its notification.
* @pre The PWM unit must have been activated using @p pwmStart().
* @post The channel is disabled and its output line returned to the
* idle state.
* @note The function has effect at the next cycle start.
*
* @param[in] pwmp pointer to a @p PWMDriver object
* @param[in] channel PWM channel identifier (0...channels-1)
*
* @notapi
*/
void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) {
pwmp->timer->CC[channel] = 0;
}
/**
* @brief Enables the periodic activation edge notification.
* @pre The PWM unit must have been activated using @p pwmStart().
* @note If the notification is already enabled then the call has no effect.
*
* @param[in] pwmp pointer to a @p PWMDriver object
*
* @notapi
*/
void pwm_lld_enable_periodic_notification(PWMDriver *pwmp) {
pwmp->timer->INTENSET =
0x1UL << (TIMER_INTENSET_COMPARE0_Pos + pwmp->channels);
}
/**
* @brief Disables the periodic activation edge notification.
* @pre The PWM unit must have been activated using @p pwmStart().
* @note If the notification is already disabled then the call has no effect.
*
* @param[in] pwmp pointer to a @p PWMDriver object
*
* @notapi
*/
void pwm_lld_disable_periodic_notification(PWMDriver *pwmp) {
pwmp->timer->INTENCLR =
0x1UL << (TIMER_INTENCLR_COMPARE0_Pos + pwmp->channels);
}
/**
* @brief Enables a channel de-activation edge notification.
* @pre The PWM unit must have been activated using @p pwmStart().
* @pre The channel must have been activated using @p pwmEnableChannel().
* @note If the notification is already enabled then the call has no effect.
*
* @param[in] pwmp pointer to a @p PWMDriver object
* @param[in] channel PWM channel identifier (0...channels-1)
*
* @notapi
*/
void pwm_lld_enable_channel_notification(PWMDriver *pwmp,
pwmchannel_t channel) {
pwmp->timer->INTENSET =
0x1UL << (TIMER_INTENSET_COMPARE0_Pos + channel);
}
/**
* @brief Disables a channel de-activation edge notification.
* @pre The PWM unit must have been activated using @p pwmStart().
* @pre The channel must have been activated using @p pwmEnableChannel().
* @note If the notification is already disabled then the call has no effect.
*
* @param[in] pwmp pointer to a @p PWMDriver object
* @param[in] channel PWM channel identifier (0...channels-1)
*
* @notapi
*/
void pwm_lld_disable_channel_notification(PWMDriver *pwmp,
pwmchannel_t channel) {
pwmp->timer->INTENCLR =
0x1UL << (TIMER_INTENCLR_COMPARE0_Pos + channel);
}
#endif /* HAL_USE_PWM */
/** @} */

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os/hal/ports/NRF51/NRF51822/hal_pwm_lld.h Normal file
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/*
ChibiOS/HAL - Copyright (C) 2016 Stéphane D'Alu
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 hal_pwm_lld.h
* @brief NRF51 PWM subsystem low level driver header.
*
* @addtogroup PWM
* @{
*/
#ifndef HAL_PWM_LLD_H_
#define HAL_PWM_LLD_H_
#if HAL_USE_PWM || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @brief Number of PWM channels per PWM driver.
*/
#define PWM_CHANNELS 3
#define PWM_FREQUENCY_16MHZ 16000000 /** @brief 16MHz */
#define PWM_FREQUENCY_8MHZ 8000000 /** @brief 8MHz */
#define PWM_FREQUENCY_4MHZ 4000000 /** @brief 4MHz */
#define PWM_FREQUENCY_2MHZ 2000000 /** @brief 2MHz */
#define PWM_FREQUENCY_1MHZ 1000000 /** @brief 1MHz */
#define PWM_FREQUENCY_500KHZ 500000 /** @brief 500kHz */
#define PWM_FREQUENCY_250KHZ 250000 /** @brief 250kHz */
#define PWM_FREQUENCY_125KHZ 125000 /** @brief 125kHz */
#define PWM_FREQUENCY_62500HZ 62500 /** @brief 62500Hz */
#define PWM_FREQUENCY_31250HZ 31250 /** @brief 31250Hz */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
#if !defined(NRF51_PWM_USE_TIMER0)
#define NRF51_PWM_USE_TIMER0 FALSE
#endif
#if !defined(NRF51_PWM_USE_TIMER1)
#define NRF51_PWM_USE_TIMER1 FALSE
#endif
#if !defined(NRF51_PWM_USE_TIMER2)
#define NRF51_PWM_USE_TIMER2 FALSE
#endif
/**
* @brief TIMER0 interrupt priority level setting.
*/
#if !defined(NRF51_PWM_TIMER0_PRIORITY) || defined(__DOXYGEN__)
#define NRF51_PWM_TIMER0_PRIORITY 12
#endif
/**
* @brief TIMER1 interrupt priority level setting.
*/
#if !defined(NRF51_PWM_TIMER1_PRIORITY) || defined(__DOXYGEN__)
#define NRF51_PWM_TIMER1_PRIORITY 12
#endif
/**
* @brief TIMER2 interrupt priority level setting.
*/
#if !defined(NRF51_PWM_TIMER2_PRIORITY) || defined(__DOXYGEN__)
#define NRF51_PWM_TIMER2_PRIORITY 12
#endif
/** @} */
/**
* @name Configuration options
* @{
*/
/** @} */
/*===========================================================================*/
/* Configuration checks. */
/*===========================================================================*/
#if !NRF51_PWM_USE_TIMER0 && !NRF51_PWM_USE_TIMER1 && !NRF51_PWM_USE_TIMER2
#error "PWM driver activated but no TIMER peripheral assigned"
#endif
#if (NRF51_ST_USE_TIMER0 == TRUE) && (NRF51_PWM_USE_TIMER0 == TRUE)
#error "TIMER0 used for ST and PWM"
#endif
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of a PWM mode.
*/
typedef uint32_t pwmmode_t;
/**
* @brief Type of a PWM channel.
*/
typedef uint8_t pwmchannel_t;
/**
* @brief Type of a channels mask.
*/
typedef uint32_t pwmchnmsk_t;
/**
* @brief Type of a PWM counter.
*/
typedef uint16_t pwmcnt_t;
/**
* @brief Type of a PWM driver channel configuration structure.
*/
typedef struct {
/**
* @brief Channel active logic level.
*/
pwmmode_t mode;
/**
* @brief Channel callback pointer.
* @note This callback is invoked on the channel compare event. If set to
* @p NULL then the callback is disabled.
*/
pwmcallback_t callback;
/* End of the mandatory fields.*/
} PWMChannelConfig;
/**
* @brief Type of a PWM driver configuration structure.
*/
typedef struct {
/**
* @brief Timer clock in Hz.
* @note The low level can use assertions in order to catch invalid
* frequency specifications.
*/
uint32_t frequency;
/**
* @brief PWM period in ticks.
* @note The low level can use assertions in order to catch invalid
* period specifications.
*/
pwmcnt_t period;
/**
* @brief Periodic callback pointer.
* @note This callback is invoked on PWM counter reset. If set to
* @p NULL then the callback is disabled.
*/
pwmcallback_t callback;
/**
* @brief Channels configurations.
*/
PWMChannelConfig channels[PWM_CHANNELS];
/* End of the mandatory fields.*/
} PWMConfig;
/**
* @brief Structure representing a PWM driver.
*/
struct PWMDriver {
/**
* @brief Driver state.
*/
pwmstate_t state;
/**
* @brief Current driver configuration data.
*/
const PWMConfig *config;
/**
* @brief Current PWM period in ticks.
*/
pwmcnt_t period;
/**
* @brief Mask of the enabled channels.
*/
pwmchnmsk_t enabled;
/**
* @brief Number of channels in this instance.
*/
pwmchannel_t channels;
#if defined(PWM_DRIVER_EXT_FIELDS)
PWM_DRIVER_EXT_FIELDS
#endif
/* End of the mandatory fields.*/
/**
* @brief Pointer to the TIMER registers block.
*/
NRF_TIMER_Type *timer;
};
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Changes the period the PWM peripheral.
* @details This function changes the period of a PWM unit that has already
* been activated using @p pwmStart().
* @pre The PWM unit must have been activated using @p pwmStart().
* @post The PWM unit period is changed to the new value.
* @note The function has effect at the next cycle start.
* @note If a period is specified that is shorter than the pulse width
* programmed in one of the channels then the behavior is not
* guaranteed.
*
* @param[in] pwmp pointer to a @p PWMDriver object
* @param[in] period new cycle time in ticks
*
* @notapi
*/
#define pwm_lld_change_period(pwmp, period) \
do { \
(pwmp)->timer->CC[(pwmp)->channels] = ((period) - 1); \
} while(0)
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if NRF51_PWM_USE_TIMER0 || defined(__DOXYGEN__)
extern PWMDriver PWMD1;
#endif
#if NRF51_PWM_USE_TIMER1 || defined(__DOXYGEN__)
extern PWMDriver PWMD2;
#endif
#if NRF51_PWM_USE_TIMER2 || defined(__DOXYGEN__)
extern PWMDriver PWMD3;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void pwm_lld_init(void);
void pwm_lld_start(PWMDriver *pwmp);
void pwm_lld_stop(PWMDriver *pwmp);
void pwm_lld_enable_channel(PWMDriver *pwmp,
pwmchannel_t channel,
pwmcnt_t width);
void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel);
void pwm_lld_enable_periodic_notification(PWMDriver *pwmp);
void pwm_lld_disable_periodic_notification(PWMDriver *pwmp);
void pwm_lld_enable_channel_notification(PWMDriver *pwmp,
pwmchannel_t channel);
void pwm_lld_disable_channel_notification(PWMDriver *pwmp,
pwmchannel_t channel);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_PWM */
#endif /* HAL_PWM_LLD_H_ */
/** @} */

6
os/hal/ports/NRF51/NRF51822/platform.mk
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@ -34,6 +34,9 @@ endif
ifneq ($(findstring HAL_USE_RNG TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_rng_lld.c
endif
ifneq ($(findstring HAL_USE_PWM TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_pwm_lld.c
endif
else
PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_lld.c \
@ -47,7 +50,8 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_adc_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_gpt_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_wdg_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_rng_lld.c
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_rng_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_pwm_lld.c
endif
# Required include directories

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testhal/NRF51/NRF51822/PWM/Makefile Normal file
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##############################################################################
# Build global options
# NOTE: Can be overridden externally.
#
# Compiler options here.
ifeq ($(USE_OPT),)
USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
endif
# C specific options here (added to USE_OPT).
ifeq ($(USE_COPT),)
USE_COPT =
endif
# C++ specific options here (added to USE_OPT).
ifeq ($(USE_CPPOPT),)
USE_CPPOPT = -fno-rtti
endif
# Enable this if you want the linker to remove unused code and data
ifeq ($(USE_LINK_GC),)
USE_LINK_GC = yes
endif
# Linker extra options here.
ifeq ($(USE_LDOPT),)
USE_LDOPT =
endif
# Enable this if you want link time optimizations (LTO)
ifeq ($(USE_LTO),)
USE_LTO = yes
endif
# If enabled, this option allows to compile the application in THUMB mode.
ifeq ($(USE_THUMB),)
USE_THUMB = yes
endif
# Enable this if you want to see the full log while compiling.
ifeq ($(USE_VERBOSE_COMPILE),)
USE_VERBOSE_COMPILE = no
endif
# If enabled, this option makes the build process faster by not compiling
# modules not used in the current configuration.
ifeq ($(USE_SMART_BUILD),)
USE_SMART_BUILD = yes
endif
#
# Build global options
##############################################################################
##############################################################################
# Architecture or project specific options
#
# Stack size to be allocated to the Cortex-M process stack. This stack is
# the stack used by the main() thread.
ifeq ($(USE_PROCESS_STACKSIZE),)
USE_PROCESS_STACKSIZE = 0x200
endif
# Stack size to the allocated to the Cortex-M main/exceptions stack. This
# stack is used for processing interrupts and exceptions.
ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
USE_EXCEPTIONS_STACKSIZE = 0x400
endif
# Enables the use of FPU on Cortex-M4 (no, softfp, hard).
ifeq ($(USE_FPU),)
USE_FPU = no
endif
#
# Architecture or project specific options
##############################################################################
##############################################################################
# Project, sources and paths
#
# Define project name here
PROJECT = ch
# Imported source files and paths
CHIBIOS = ../../../../ChibiOS-RT
CHIBIOS_CONTRIB = $(CHIBIOS)/../ChibiOS-Contrib
CHIBIOS = /home/sdalu/ChibiOS/ChibiOS
CHIBIOS_CONTRIB = /home/sdalu/ChibiOS/ChibiOS-Contrib
# Startup files.
include $(CHIBIOS_CONTRIB)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_nrf51.mk
# HAL-OSAL files (optional).
include $(CHIBIOS)/os/hal/hal.mk
include $(CHIBIOS_CONTRIB)/os/hal/ports/NRF51/NRF51822/platform.mk
include $(CHIBIOS_CONTRIB)/os/hal/boards/WVSHARE_BLE400/board.mk
include $(CHIBIOS)/os/hal/osal/rt/osal.mk
# RTOS files (optional).
include $(CHIBIOS)/os/rt/rt.mk
include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v6m.mk
# Other files (optional).
include $(CHIBIOS)/test/rt/test.mk
# Define linker script file here
LDSCRIPT= $(STARTUPLD)/NRF51822.ld
# C sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CSRC = $(STARTUPSRC) \
$(KERNSRC) \
$(PORTSRC) \
$(OSALSRC) \
$(HALSRC) \
$(PLATFORMSRC) \
$(BOARDSRC) \
main.c
# C++ sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CPPSRC =
# C sources to be compiled in ARM mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
ACSRC =
# C++ sources to be compiled in ARM mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
ACPPSRC =
# C sources to be compiled in THUMB mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
TCSRC =
# C sources to be compiled in THUMB mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
# option that results in lower performance and larger code size.
TCPPSRC =
# List ASM source files here
ASMSRC =
ASMXSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)
INCDIR = $(CHIBIOS)/os/license \
$(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
$(HALINC) $(PLATFORMINC) $(BOARDINC) \
$(CHIBIOS)/os/various
#
# Project, sources and paths
##############################################################################
##############################################################################
# Compiler settings
#
MCU = cortex-m0
TRGT = arm-none-eabi-
CC = $(TRGT)gcc
CPPC = $(TRGT)g++
# Enable loading with g++ only if you need C++ runtime support.
# NOTE: You can use C++ even without C++ support if you are careful. C++
# runtime support makes code size explode.
LD = $(TRGT)gcc
#LD = $(TRGT)g++
CP = $(TRGT)objcopy
AS = $(TRGT)gcc -x assembler-with-cpp
AR = $(TRGT)ar
OD = $(TRGT)objdump
SZ = $(TRGT)size
HEX = $(CP) -O ihex
BIN = $(CP) -O binary
SREC = $(CP) -O srec
# ARM-specific options here
AOPT =
# THUMB-specific options here
TOPT = -mthumb -DTHUMB
# Define C warning options here
CWARN = -Wall -Wextra -Wstrict-prototypes
# Define C++ warning options here
CPPWARN = -Wall -Wextra
#
# Compiler settings
##############################################################################
##############################################################################
# Start of user section
#
# List all user C define here, like -D_DEBUG=1
UDEFS =
# Define ASM defines here
UADEFS =
# List all user directories here
UINCDIR =
# List the user directory to look for the libraries here
ULIBDIR =
# List all user libraries here
ULIBS =
#
# End of user defines
##############################################################################
RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
include $(RULESPATH)/rules.mk
include $(CHIBIOS_CONTRIB)/os/various/jlink.mk
JLINK_DEVICE = nrf51422
JLINK_PRE_FLASH = w4 4001e504 1
JLINK_ERASE_ALL = w4 4001e504 2\nw4 4001e50c 1\nsleep 100
flash: all jlink-flash

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/*
Copyright (C) 2015 Fabio Utzig
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 templates/chconf.h
* @brief Configuration file template.
* @details A copy of this file must be placed in each project directory, it
* contains the application specific kernel settings.
*
* @addtogroup config
* @details Kernel related settings and hooks.
* @{
*/
#ifndef _CHCONF_H_
#define _CHCONF_H_
#define _CHIBIOS_RT_CONF_
/*===========================================================================*/
/**
* @name System timers settings
* @{
*/
/*===========================================================================*/
/**
* @brief System time counter resolution.
* @note Allowed values are 16 or 32 bits.
*/
#define CH_CFG_ST_RESOLUTION 32
/**
* @brief System tick frequency.
* @details Frequency of the system timer that drives the system ticks. This
* setting also defines the system tick time unit.
*/
#define CH_CFG_ST_FREQUENCY 1000
/**
* @brief Time delta constant for the tick-less mode.
* @note If this value is zero then the system uses the classic
* periodic tick. This value represents the minimum number
* of ticks that is safe to specify in a timeout directive.
* The value one is not valid, timeouts are rounded up to
* this value.
*/
#define CH_CFG_ST_TIMEDELTA 0
/** @} */
/*===========================================================================*/
/**
* @name Kernel parameters and options
* @{
*/
/*===========================================================================*/
/**
* @brief Round robin interval.
* @details This constant is the number of system ticks allowed for the
* threads before preemption occurs. Setting this value to zero
* disables the preemption for threads with equal priority and the
* round robin becomes cooperative. Note that higher priority
* threads can still preempt, the kernel is always preemptive.
* @note Disabling the round robin preemption makes the kernel more compact
* and generally faster.
* @note The round robin preemption is not supported in tickless mode and
* must be set to zero in that case.
*/
#define CH_CFG_TIME_QUANTUM 20
/**
* @brief Managed RAM size.
* @details Size of the RAM area to be managed by the OS. If set to zero
* then the whole available RAM is used. The core memory is made
* available to the heap allocator and/or can be used directly through
* the simplified core memory allocator.
*
* @note In order to let the OS manage the whole RAM the linker script must
* provide the @p __heap_base__ and @p __heap_end__ symbols.
* @note Requires @p CH_CFG_USE_MEMCORE.
*/
#define CH_CFG_MEMCORE_SIZE 0
/**
* @brief Idle thread automatic spawn suppression.
* @details When this option is activated the function @p chSysInit()
* does not spawn the idle thread. The application @p main()
* function becomes the idle thread and must implement an
* infinite loop.
*/
#define CH_CFG_NO_IDLE_THREAD FALSE
/** @} */
/*===========================================================================*/
/**
* @name Performance options
* @{
*/
/*===========================================================================*/
/**
* @brief OS optimization.
* @details If enabled then time efficient rather than space efficient code
* is used when two possible implementations exist.
*
* @note This is not related to the compiler optimization options.
* @note The default is @p TRUE.
*/
#define CH_CFG_OPTIMIZE_SPEED TRUE
/** @} */
/*===========================================================================*/
/**
* @name Subsystem options
* @{
*/
/*===========================================================================*/
/**
* @brief Time Measurement APIs.
* @details If enabled then the time measurement APIs are included in
* the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_TM FALSE
/**
* @brief Threads registry APIs.
* @details If enabled then the registry APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_REGISTRY TRUE
/**
* @brief Threads synchronization APIs.
* @details If enabled then the @p chThdWait() function is included in
* the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_WAITEXIT TRUE
/**
* @brief Semaphores APIs.
* @details If enabled then the Semaphores APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_SEMAPHORES TRUE
/**
* @brief Semaphores queuing mode.
* @details If enabled then the threads are enqueued on semaphores by
* priority rather than in FIFO order.
*
* @note The default is @p FALSE. Enable this if you have special
* requirements.
* @note Requires @p CH_CFG_USE_SEMAPHORES.
*/
#define CH_CFG_USE_SEMAPHORES_PRIORITY FALSE
/**
* @brief Mutexes APIs.
* @details If enabled then the mutexes APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_MUTEXES TRUE
/**
* @brief Enables recursive behavior on mutexes.
* @note Recursive mutexes are heavier and have an increased
* memory footprint.
*
* @note The default is @p FALSE.
* @note Requires @p CH_CFG_USE_MUTEXES.
*/
#define CH_CFG_USE_MUTEXES_RECURSIVE FALSE
/**
* @brief Conditional Variables APIs.
* @details If enabled then the conditional variables APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_MUTEXES.
*/
#define CH_CFG_USE_CONDVARS TRUE
/**
* @brief Conditional Variables APIs with timeout.
* @details If enabled then the conditional variables APIs with timeout
* specification are included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_CONDVARS.
*/
#define CH_CFG_USE_CONDVARS_TIMEOUT TRUE
/**
* @brief Events Flags APIs.
* @details If enabled then the event flags APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_EVENTS TRUE
/**
* @brief Events Flags APIs with timeout.
* @details If enabled then the events APIs with timeout specification
* are included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_EVENTS.
*/
#define CH_CFG_USE_EVENTS_TIMEOUT TRUE
/**
* @brief Synchronous Messages APIs.
* @details If enabled then the synchronous messages APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_MESSAGES TRUE
/**
* @brief Synchronous Messages queuing mode.
* @details If enabled then messages are served by priority rather than in
* FIFO order.
*
* @note The default is @p FALSE. Enable this if you have special
* requirements.
* @note Requires @p CH_CFG_USE_MESSAGES.
*/
#define CH_CFG_USE_MESSAGES_PRIORITY FALSE
/**
* @brief Mailboxes APIs.
* @details If enabled then the asynchronous messages (mailboxes) APIs are
* included in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_SEMAPHORES.
*/
#define CH_CFG_USE_MAILBOXES TRUE
/**
* @brief I/O Queues APIs.
* @details If enabled then the I/O queues APIs are included in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_QUEUES TRUE
/**
* @brief Core Memory Manager APIs.
* @details If enabled then the core memory manager APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_MEMCORE TRUE
/**
* @brief Heap Allocator APIs.
* @details If enabled then the memory heap allocator APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_MEMCORE and either @p CH_CFG_USE_MUTEXES or
* @p CH_CFG_USE_SEMAPHORES.
* @note Mutexes are recommended.
*/
#define CH_CFG_USE_HEAP TRUE
/**
* @brief Memory Pools Allocator APIs.
* @details If enabled then the memory pools allocator APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
*/
#define CH_CFG_USE_MEMPOOLS TRUE
/**
* @brief Dynamic Threads APIs.
* @details If enabled then the dynamic threads creation APIs are included
* in the kernel.
*
* @note The default is @p TRUE.
* @note Requires @p CH_CFG_USE_WAITEXIT.
* @note Requires @p CH_CFG_USE_HEAP and/or @p CH_CFG_USE_MEMPOOLS.
*/
#define CH_CFG_USE_DYNAMIC TRUE
/** @} */
/*===========================================================================*/
/**
* @name Debug options
* @{
*/
/*===========================================================================*/
/**
* @brief Debug option, kernel statistics.
*
* @note The default is @p FALSE.
*/
#define CH_DBG_STATISTICS FALSE
/**
* @brief Debug option, system state check.
* @details If enabled the correct call protocol for system APIs is checked
* at runtime.
*
* @note The default is @p FALSE.
*/
#define CH_DBG_SYSTEM_STATE_CHECK FALSE
/**
* @brief Debug option, parameters checks.
* @details If enabled then the checks on the API functions input
* parameters are activated.
*
* @note The default is @p FALSE.
*/
#define CH_DBG_ENABLE_CHECKS FALSE
/**
* @brief Debug option, consistency checks.
* @details If enabled then all the assertions in the kernel code are
* activated. This includes consistency checks inside the kernel,
* runtime anomalies and port-defined checks.
*
* @note The default is @p FALSE.
*/
#define CH_DBG_ENABLE_ASSERTS FALSE
/**
* @brief Debug option, trace buffer.
* @details If enabled then the context switch circular trace buffer is
* activated.
*
* @note The default is @p FALSE.
*/
#define CH_DBG_ENABLE_TRACE FALSE
/**
* @brief Debug option, stack checks.
* @details If enabled then a runtime stack check is performed.
*
* @note The default is @p FALSE.
* @note The stack check is performed in a architecture/port dependent way.
* It may not be implemented or some ports.
* @note The default failure mode is to halt the system with the global
* @p panic_msg variable set to @p NULL.
*/
#define CH_DBG_ENABLE_STACK_CHECK FALSE
/**
* @brief Debug option, stacks initialization.
* @details If enabled then the threads working area is filled with a byte
* value when a thread is created. This can be useful for the
* runtime measurement of the used stack.
*
* @note The default is @p FALSE.
*/
#define CH_DBG_FILL_THREADS FALSE
/**
* @brief Debug option, threads profiling.
* @details If enabled then a field is added to the @p thread_t structure that
* counts the system ticks occurred while executing the thread.
*
* @note The default is @p FALSE.
* @note This debug option is not currently compatible with the
* tickless mode.
*/
#define CH_DBG_THREADS_PROFILING FALSE
/** @} */
/*===========================================================================*/
/**
* @name Kernel hooks
* @{
*/
/*===========================================================================*/
/**
* @brief Threads descriptor structure extension.
* @details User fields added to the end of the @p thread_t structure.
*/
#define CH_CFG_THREAD_EXTRA_FIELDS \
/* Add threads custom fields here.*/
/**
* @brief Threads initialization hook.
* @details User initialization code added to the @p chThdInit() API.
*
* @note It is invoked from within @p chThdInit() and implicitly from all
* the threads creation APIs.
*/
#define CH_CFG_THREAD_INIT_HOOK(tp) { \
/* Add threads initialization code here.*/ \
}
/**
* @brief Threads finalization hook.
* @details User finalization code added to the @p chThdExit() API.
*
* @note It is inserted into lock zone.
* @note It is also invoked when the threads simply return in order to
* terminate.
*/
#define CH_CFG_THREAD_EXIT_HOOK(tp) { \
/* Add threads finalization code here.*/ \
}
/**
* @brief Context switch hook.
* @details This hook is invoked just before switching between threads.
*/
#define CH_CFG_CONTEXT_SWITCH_HOOK(ntp, otp) { \
/* Context switch code here.*/ \
}
/**
* @brief ISR enter hook.
*/
#define CH_CFG_IRQ_PROLOGUE_HOOK() { \
/* IRQ prologue code here.*/ \
}
/**
* @brief ISR exit hook.
*/
#define CH_CFG_IRQ_EPILOGUE_HOOK() { \
/* IRQ epilogue code here.*/ \
}
/**
* @brief Idle thread enter hook.
* @note This hook is invoked within a critical zone, no OS functions
* should be invoked from here.
* @note This macro can be used to activate a power saving mode.
*/
#define CH_CFG_IDLE_ENTER_HOOK() { \
}
/**
* @brief Idle thread leave hook.
* @note This hook is invoked within a critical zone, no OS functions
* should be invoked from here.
* @note This macro can be used to deactivate a power saving mode.
*/
#define CH_CFG_IDLE_LEAVE_HOOK() { \
}
/**
* @brief Idle Loop hook.
* @details This hook is continuously invoked by the idle thread loop.
*/
#define CH_CFG_IDLE_LOOP_HOOK() { \
/* Idle loop code here.*/ \
}
/**
* @brief System tick event hook.
* @details This hook is invoked in the system tick handler immediately
* after processing the virtual timers queue.
*/
#define CH_CFG_SYSTEM_TICK_HOOK() { \
/* System tick event code here.*/ \
}
/**
* @brief System halt hook.
* @details This hook is invoked in case to a system halting error before
* the system is halted.
*/
#define CH_CFG_SYSTEM_HALT_HOOK(reason) { \
/* System halt code here.*/ \
}
/**
* @brief Trace hook.
* @details This hook is invoked each time a new record is written in the
* trace buffer.
*/
#define CH_CFG_TRACE_HOOK(tep) { \
/* Trace code here.*/ \
}
/** @} */
/*===========================================================================*/
/* Port-specific settings (override port settings defaulted in chcore.h). */
/*===========================================================================*/
#endif /* _CHCONF_H_ */
/** @} */

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/*
Copyright (C) 2015 Fabio Utzig
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 templates/halconf.h
* @brief HAL configuration header.
* @details 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 override the device drivers default settings.
*
* @addtogroup HAL_CONF
* @{
*/
#ifndef _HALCONF_H_
#define _HALCONF_H_
#include "mcuconf.h"
/**
* @brief Enables the PAL subsystem.
*/
#if !defined(HAL_USE_PAL) || defined(__DOXYGEN__)
#define HAL_USE_PAL TRUE
#endif
/**
* @brief Enables the ADC subsystem.
*/
#if !defined(HAL_USE_ADC) || defined(__DOXYGEN__)
#define HAL_USE_ADC FALSE
#endif
/**
* @brief Enables the CAN subsystem.
*/
#if !defined(HAL_USE_CAN) || defined(__DOXYGEN__)
#define HAL_USE_CAN FALSE
#endif
/**
* @brief Enables the EXT subsystem.
*/
#if !defined(HAL_USE_EXT) || defined(__DOXYGEN__)
#define HAL_USE_EXT FALSE
#endif
/**
* @brief Enables the GPT subsystem.
*/
#if !defined(HAL_USE_GPT) || defined(__DOXYGEN__)
#define HAL_USE_GPT FALSE
#endif
/**
* @brief Enables the I2C subsystem.
*/
#if !defined(HAL_USE_I2C) || defined(__DOXYGEN__)
#define HAL_USE_I2C FALSE
#endif
/**
* @brief Enables the I2S subsystem.
*/
#if !defined(HAL_USE_I2S) || defined(__DOXYGEN__)
#define HAL_USE_I2S FALSE
#endif
/**
* @brief Enables the ICU subsystem.
*/
#if !defined(HAL_USE_ICU) || defined(__DOXYGEN__)
#define HAL_USE_ICU FALSE
#endif
/**
* @brief Enables the MAC subsystem.
*/
#if !defined(HAL_USE_MAC) || defined(__DOXYGEN__)
#define HAL_USE_MAC FALSE
#endif
/**
* @brief Enables the MMC_SPI subsystem.
*/
#if !defined(HAL_USE_MMC_SPI) || defined(__DOXYGEN__)
#define HAL_USE_MMC_SPI FALSE
#endif
/**
* @brief Enables the PWM subsystem.
*/
#if !defined(HAL_USE_PWM) || defined(__DOXYGEN__)
#define HAL_USE_PWM TRUE
#endif
/**
* @brief Enables the RTC subsystem.
*/
#if !defined(HAL_USE_RTC) || defined(__DOXYGEN__)
#define HAL_USE_RTC FALSE
#endif
/**
* @brief Enables the SDC subsystem.
*/
#if !defined(HAL_USE_SDC) || defined(__DOXYGEN__)
#define HAL_USE_SDC FALSE
#endif
/**
* @brief Enables the SERIAL subsystem.
*/
#if !defined(HAL_USE_SERIAL) || defined(__DOXYGEN__)
#define HAL_USE_SERIAL TRUE
#endif
/**
* @brief Enables the SERIAL over USB subsystem.
*/
#if !defined(HAL_USE_SERIAL_USB) || defined(__DOXYGEN__)
#define HAL_USE_SERIAL_USB FALSE
#endif
/**
* @brief Enables the SPI subsystem.
*/
#if !defined(HAL_USE_SPI) || defined(__DOXYGEN__)
#define HAL_USE_SPI FALSE
#endif
/**
* @brief Enables the UART subsystem.
*/
#if !defined(HAL_USE_UART) || defined(__DOXYGEN__)
#define HAL_USE_UART FALSE
#endif
/**
* @brief Enables the USB subsystem.
*/
#if !defined(HAL_USE_USB) || defined(__DOXYGEN__)
#define HAL_USE_USB FALSE
#endif
/*===========================================================================*/
/* ADC driver related settings. */
/*===========================================================================*/
/**
* @brief Enables synchronous APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(ADC_USE_WAIT) || defined(__DOXYGEN__)
#define ADC_USE_WAIT TRUE
#endif
/**
* @brief Enables the @p adcAcquireBus() and @p adcReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(ADC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define ADC_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* CAN driver related settings. */
/*===========================================================================*/
/**
* @brief Sleep mode related APIs inclusion switch.
*/
#if !defined(CAN_USE_SLEEP_MODE) || defined(__DOXYGEN__)
#define CAN_USE_SLEEP_MODE TRUE
#endif
/*===========================================================================*/
/* I2C driver related settings. */
/*===========================================================================*/
/**
* @brief Enables the mutual exclusion APIs on the I2C bus.
*/
#if !defined(I2C_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define I2C_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* MAC driver related settings. */
/*===========================================================================*/
/**
* @brief Enables an event sources for incoming packets.
*/
#if !defined(MAC_USE_ZERO_COPY) || defined(__DOXYGEN__)
#define MAC_USE_ZERO_COPY FALSE
#endif
/**
* @brief Enables an event sources for incoming packets.
*/
#if !defined(MAC_USE_EVENTS) || defined(__DOXYGEN__)
#define MAC_USE_EVENTS TRUE
#endif
/*===========================================================================*/
/* MMC_SPI driver related settings. */
/*===========================================================================*/
/**
* @brief Delays insertions.
* @details If enabled this options inserts delays into the MMC waiting
* routines releasing some extra CPU time for the threads with
* lower priority, this may slow down the driver a bit however.
* This option is recommended also if the SPI driver does not
* use a DMA channel and heavily loads the CPU.
*/
#if !defined(MMC_NICE_WAITING) || defined(__DOXYGEN__)
#define MMC_NICE_WAITING TRUE
#endif
/*===========================================================================*/
/* SDC driver related settings. */
/*===========================================================================*/
/**
* @brief Number of initialization attempts before rejecting the card.
* @note Attempts are performed at 10mS intervals.
*/
#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)
#define SDC_INIT_RETRY 100
#endif
/**
* @brief Include support for MMC cards.
* @note MMC support is not yet implemented so this option must be kept
* at @p FALSE.
*/
#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)
#define SDC_MMC_SUPPORT FALSE
#endif
/**
* @brief Delays insertions.
* @details If enabled this options inserts delays into the MMC waiting
* routines releasing some extra CPU time for the threads with
* lower priority, this may slow down the driver a bit however.
*/
#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)
#define SDC_NICE_WAITING TRUE
#endif
/*===========================================================================*/
/* SERIAL driver related settings. */
/*===========================================================================*/
/**
* @brief Default bit rate.
* @details Configuration parameter, this is the baud rate selected for the
* default configuration.
*/
#if !defined(SERIAL_DEFAULT_BITRATE) || defined(__DOXYGEN__)
#define SERIAL_DEFAULT_BITRATE 38400
#endif
/**
* @brief Serial buffers size.
* @details Configuration parameter, you can change the depth of the queue
* buffers depending on the requirements of your application.
* @note The default is 64 bytes for both the transmission and receive
* buffers.
*/
#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define SERIAL_BUFFERS_SIZE 16
#endif
/*===========================================================================*/
/* SERIAL_USB driver related setting. */
/*===========================================================================*/
/**
* @brief Serial over USB buffers size.
* @details Configuration parameter, the buffer size must be a multiple of
* the USB data endpoint maximum packet size.
* @note The default is 64 bytes for both the transmission and receive
* buffers.
*/
#if !defined(SERIAL_USB_BUFFERS_SIZE) || defined(__DOXYGEN__)
#define SERIAL_USB_BUFFERS_SIZE 256
#endif
/*===========================================================================*/
/* SPI driver related settings. */
/*===========================================================================*/
/**
* @brief Enables synchronous APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(SPI_USE_WAIT) || defined(__DOXYGEN__)
#define SPI_USE_WAIT TRUE
#endif
/**
* @brief Enables the @p spiAcquireBus() and @p spiReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(SPI_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define SPI_USE_MUTUAL_EXCLUSION TRUE
#endif
#endif /* _HALCONF_H_ */
/** @} */

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/*
Copyright (C) 2016 Stéphane D'Alu
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.
*/
#include "ch.h"
#include "hal.h"
static void pwm_cb_period(PWMDriver *pwmp) {
(void)pwmp;
palTogglePad(IOPORT1, LED0);
palClearPad(IOPORT1, LED1);
}
static void pwm_cb_channel0(PWMDriver *pwmp) {
(void)pwmp;
palSetPad(IOPORT1, LED1);
}
/*
* Application entry point.
*/
int main(void) {
PWMConfig pwmcfg = {
.frequency = PWM_FREQUENCY_31250HZ,
.period = 31250,
.callback = pwm_cb_period,
{ {PWM_OUTPUT_ACTIVE_HIGH, pwm_cb_channel0},
{PWM_OUTPUT_DISABLED, NULL},
{PWM_OUTPUT_DISABLED, NULL}
},
};
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
/*
*
*/
pwmStart(&PWMD1, &pwmcfg);
pwmEnablePeriodicNotification(&PWMD1);
pwmEnableChannel(&PWMD1, 0, PWM_FRACTION_TO_WIDTH(&PWMD1, 2, 1));
pwmEnableChannelNotification(&PWMD1, 0);
while (1) {
chThdSleepMilliseconds(500);
}
}

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testhal/NRF51/NRF51822/PWM/mcuconf.h Normal file
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/*
Copyright (C) 2015 Fabio Utzig
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.
*/
#ifndef _MCUCONF_H_
#define _MCUCONF_H_
/*
* HAL driver system settings.
*/
#define NRF51_SERIAL_USE_UART0 TRUE
#define NRF51_ST_USE_RTC0 TRUE
#define NRF51_ST_USE_RTC1 FALSE
#define NRF51_ST_USE_TIMER0 FALSE
#define NRF51_PWM_USE_TIMER0 TRUE
#endif /* _MCUCONF_H_ */