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Merge pull request #36 from sdalu/rng 

Random Number Generator driver
This commit is contained in:
Fabio Utzig 2016-02-29 10:51:55 -03:00
parent 9edf14658d 9ff3819e4b
commit 37ac6a4611
15 changed files with 1828 additions and 2 deletions
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1
os/hal/hal.mk
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@ -5,6 +5,7 @@ HALSRC += ${CHIBIOS_CONTRIB}/os/hal/src/hal_community.c \
${CHIBIOS_CONTRIB}/os/hal/src/onewire.c \
${CHIBIOS_CONTRIB}/os/hal/src/eicu.c \
${CHIBIOS_CONTRIB}/os/hal/src/crc.c \
${CHIBIOS_CONTRIB}/os/hal/src/rng.c \
${CHIBIOS_CONTRIB}/os/hal/src/usbh.c \
${CHIBIOS_CONTRIB}/os/hal/src/usbh/usbh_debug.c \
${CHIBIOS_CONTRIB}/os/hal/src/usbh/usbh_desciter.c \

1
os/hal/include/hal_community.h
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@ -32,6 +32,7 @@
/* Normal drivers.*/
#include "nand.h"
#include "eicu.h"
#include "rng.h"
#include "usbh.h"
#include "timcap.h"

136
os/hal/include/rng.h Normal file
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@ -0,0 +1,136 @@
/*
RNG for ChibiOS - Copyright (C) 2016 Stephane 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.
*/
#ifndef _RNG_H_
#define _RNG_H_
#if (HAL_USE_RNG == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief Enables the @p rngAcquireBus() and @p rngReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(RNG_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define RNG_USE_MUTUAL_EXCLUSION TRUE
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Driver state machine possible states.
*/
typedef enum {
RNG_UNINIT, /* Not initialized. */
RNG_STOP, /* Stopped. */
RNG_READY, /* Ready. */
} rngstate_t;
#include "rng_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Low level driver helper macros
* @{
*/
/**
* @brief Wakes up the waiting thread.
*
* @param[in] rngp pointer to the @p RNGDriver object
*
* @notapi
*/
#define _rng_wakeup_isr(rngp) { \
osalSysLockFromISR(); \
osalThreadResumeI(&(rngp)->thread, MSG_OK); \
osalSysUnlockFromISR(); \
}
/**
* @brief Common ISR code.
* @details This code handles the portable part of the ISR code:
* - Callback invocation.
* - Waiting thread wakeup, if any.
* - Driver state transitions.
* .
* @note This macro is meant to be used in the low level drivers
* implementation only.
*
* @param[in] rngp pointer to the @p RNGDriver object
*
* @notapi
*/
#define _rng_isr_code(rngp, rng) { \
if ((rngp)->config->end_cb) { \
(rngp)->state = RNG_COMPLETE; \
(rngp)->config->end_cb(rngp, rng); \
if ((rngp)->state == RNG_COMPLETE) \
(rngp)->state = RNG_READY; \
} \
else \
(rngp)->state = RNG_READY; \
_rng_wakeup_isr(rngp); \
}
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void rngInit(void);
void rngObjectInit(RNGDriver *rngp);
void rngStart(RNGDriver *rngp, const RNGConfig *config);
void rngStop(RNGDriver *rngp);
msg_t rngWriteI(RNGDriver *rngp, uint8_t *buf, size_t n, systime_t timeout);
msg_t rngWrite(RNGDriver *rngp, uint8_t *buf, size_t n, systime_t timeout);
#if RNG_USE_MUTUAL_EXCLUSION == TRUE
void rngAcquireUnit(RNGDriver *rngp);
void rngReleaseUnit(RNGDriver *rngp);
#endif
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_RNG */
#endif /* _RNG_H_ */
/** @} */

8
os/hal/ports/NRF51/NRF51822/platform.mk
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@ -1,5 +1,5 @@
ifeq ($(USE_SMART_BUILD),yes)
HALCONF := $(strip $(shell cat halconf.h | egrep -e "define"))
HALCONF := $(strip $(shell cat halconf.h halconf_community.h 2>/dev/null | egrep -e "define"))
# List of all the NRF51x platform files.
PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
@ -31,6 +31,9 @@ endif
ifneq ($(findstring HAL_USE_WDG TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/wdg_lld.c
endif
ifneq ($(findstring HAL_USE_RNG TRUE,$(HALCONF)),)
PLATFORMSRC += ${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/rng_lld.c
endif
else
PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/hal_lld.c \
@ -43,7 +46,8 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/i2c_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/adc_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/gpt_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/wdg_lld.c
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/wdg_lld.c \
${CHIBIOS_CONTRIB}/os/hal/ports/NRF51/NRF51822/rng_lld.c
endif
# Required include directories

152
os/hal/ports/NRF51/NRF51822/rng_lld.c Normal file
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@ -0,0 +1,152 @@
/*
RNG for ChibiOS - Copyright (C) 2016 Stephane 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 NRF51/RNGv1/rng_lld.c
* @brief NRF51 RNG subsystem low level driver source.
*
* @addtogroup RNG
* @{
*/
#include "hal.h"
#if (HAL_USE_RNG == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/**
* @brief RNG default configuration.
*/
static const RNGConfig default_config = {
.digital_error_correction = 1,
};
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/** @brief RNG1 driver identifier.*/
#if NRF51_RNG_USE_RNG1 || defined(__DOXYGEN__)
RNGDriver RNGD1;
#endif
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Low level RNG driver initialization.
*
* @notapi
*/
void rng_lld_init(void) {
rngObjectInit(&RNGD1);
RNGD1.rng = NRF_RNG;
}
/**
* @brief Configures and activates the RNG peripheral.
*
* @param[in] rngp pointer to the @p RNGDriver object
*
* @notapi
*/
void rng_lld_start(RNGDriver *rngp) {
if (rngp->config == NULL)
rngp->config = &default_config;
rngp->rng->POWER = 1;
if (rngp->config->digital_error_correction)
rngp->rng->CONFIG |= RNG_CONFIG_DERCEN_Msk;
else
rngp->rng->CONFIG &= ~RNG_CONFIG_DERCEN_Msk;
rngp->rng->EVENTS_VALRDY = 0;
rngp->rng->INTENSET = RNG_INTENSET_VALRDY_Msk;
rngp->rng->TASKS_START = 1;
}
/**
* @brief Deactivates the RNG peripheral.
*
* @param[in] rngp pointer to the @p RNGDriver object
*
* @notapi
*/
void rng_lld_stop(RNGDriver *rngp) {
rngp->rng->TASKS_STOP = 1;
rngp->rng->POWER = 0;
}
/**
* @brief Write random bytes;
*
* @param[in] rngp pointer to the @p RNGDriver object
* @param[in] n size of buf in bytes
* @param[in] buf @p buffer location
*
* @notapi
*/
msg_t rng_lld_write(RNGDriver *rngp, uint8_t *buf, size_t n,
systime_t timeout) {
size_t i;
for (i = 0 ; i < n ; i++) {
/* Wait for byte ready
* It take about 677µs to generate a new byte, not sure if
* forcing a context switch will be a benefit
*/
while (NRF_RNG->EVENTS_VALRDY == 0) {
/* Sleep and wakeup on ARM event (interrupt) */
SCB->SCR |= SCB_SCR_SEVONPEND_Msk;
__SEV();
__WFE();
__WFE();
}
/* Read byte */
buf[i] = (char)NRF_RNG->VALUE;
/* Mark as read */
NRF_RNG->EVENTS_VALRDY = 0;
/* Clear interrupt so we can wake up again */
nvicClearPending(RNG_IRQn);
}
return MSG_OK;
}
#endif /* HAL_USE_RNG */
/** @} */

163
os/hal/ports/NRF51/NRF51822/rng_lld.h Normal file
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@ -0,0 +1,163 @@
/*
RNG for ChibiOS - Copyright (C) 2016 Stephane 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 NRF51/NRF51822/rng_lld.h
* @brief NRF51 RNG subsystem low level driver header.
*
* @addtogroup RNG
* @{
*/
#ifndef _RNG_LLD_H_
#define _RNG_LLD_H_
#if (HAL_USE_RNG == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief RNG1 driver enable switch.
* @details If set to @p TRUE the support for RNG1 is included.
* @note The default is @p FALSE.
*/
#if !defined(NRF51_RNG_USE_RNG1) || defined(__DOXYGEN__)
#define NRF51_RNG_USE_RNG1 FALSE
#endif
/**
* @brief RNG1 driver enable switch.
* @details If set to @p TRUE the support for RNG1 is included.
* @note The default is @p FALSE.
*/
#if !defined(NRF51_RNG_USE_RNG1) || defined(__DOXYGEN__)
#define NRF51_RNG_USE_POWER_ON_WRITE FALSE
#endif
/**
* @brief RNG1 interrupt priority level setting.
*/
#if !defined(NRF51_RNG_RNG1_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define NRF51_RNG_RNG1_IRQ_PRIORITY 10
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of a structure representing an RNG driver.
*/
typedef struct RNGDriver RNGDriver;
/**
* @brief Driver configuration structure.
*/
typedef struct {
/* End of the mandatory fields.*/
/**
* @brief Activate the digital error correction
*
* @details A digital corrector algorithm is employed to remove any
* bias toward '1' or '0'. Disabling it offers a substantial
* speed advantage, but may result in a statistical distribution
* that is not perfectly uniform.
*
* @note On average, it take 167µs to get a byte without digitial
* error correction and 677µs with, but no garantee is made
* on the necessary time to generate one byte.
*/
uint8_t digital_error_correction:1;
/**
* @brief Only power the RNG device when requeting random bytes
*
* @details Device will not be powered when started/stopped
* but only when writint bytes.
*/
uint8_t power_on_write:1;
} RNGConfig;
/**
* @brief Structure representing an RNG driver.
*/
struct RNGDriver {
/**
* @brief Driver state.
*/
rngstate_t state;
/**
* @brief Current configuration data.
*/
const RNGConfig *config;
#if RNG_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
/**
* @brief Mutex protecting the peripheral.
*/
mutex_t mutex;
#endif /* RNG_USE_MUTUAL_EXCLUSION */
/* End of the mandatory fields.*/
/**
* @brief Pointer to the RNGx registers block.
*/
NRF_RNG_Type *rng;
};
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if NRF51_RNG_USE_RNG1 && !defined(__DOXYGEN__)
extern RNGDriver RNGD1;
#endif /* NRF51_RNG_USE_RNG1 */
#ifdef __cplusplus
extern "C" {
#endif
void rng_lld_init(void);
void rng_lld_start(RNGDriver *rngp);
void rng_lld_stop(RNGDriver *rngp);
msg_t rng_lld_write(RNGDriver *rngp, uint8_t *buf, size_t n,
systime_t timeout);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_RNG */
#endif /* _RNG_LLD_H_ */
/** @} */

4
os/hal/src/hal_community.c
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@ -65,6 +65,10 @@ void halCommunityInit(void) {
crcInit();
#endif
#if HAL_USE_RNG || defined(__DOXYGEN__)
rngInit();
#endif
#if HAL_USE_USBH || defined(__DOXYGEN__)
usbhInit();
#endif

182
os/hal/src/rng.c Normal file
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@ -0,0 +1,182 @@
/*
RNG for ChibiOS - Copyright (C) 2016 Stephane 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.
*/
/*
* Hardware Abstraction Layer for RNG Unit
*/
#include "hal.h"
#if (HAL_USE_RNG == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief RNG Driver initialization.
*
* @init
*/
void rngInit(void) {
rng_lld_init();
}
/**
* @brief Initializes the standard part of a @p RNGDriver structure.
*
* @param[out] rngp Pointer to the @p RNGDriver object
*
* @init
*/
void rngObjectInit(RNGDriver *rngp) {
rngp->state = RNG_STOP;
rngp->config = NULL;
#if RNG_USE_MUTUAL_EXCLUSION == TRUE
osalMutexObjectInit(&rngp->mutex);
#endif
#if defined(RNG_DRIVER_EXT_INIT_HOOK)
RNG_DRIVER_EXT_INIT_HOOK(rngp);
#endif
}
/**
* @brief Configures and activates the RNG peripheral.
*
* @param[in] rngp Pointer to the @p RNGDriver object
* @param[in] config Pointer to the @p RNGConfig object
* @p NULL if the low level driver implementation
* supports a default configuration
*
* @api
*/
void rngStart(RNGDriver *rngp, const RNGConfig *config) {
osalDbgCheck(rngp != NULL);
osalSysLock();
osalDbgAssert((rngp->state == RNG_STOP) || (rngp->state == RNG_READY),
"invalid state");
rngp->config = config;
rng_lld_start(rngp);
rngp->state = RNG_READY;
osalSysUnlock();
}
/**
* @brief Deactivates the RNG peripheral.
*
* @param[in] rngp Pointer to the @p RNGDriver object
*
* @api
*/
void rngStop(RNGDriver *rngp) {
osalDbgCheck(rngp != NULL);
osalSysLock();
osalDbgAssert((rngp->state == RNG_STOP) || (rngp->state == RNG_READY),
"invalid state");
rng_lld_stop(rngp);
rngp->state = RNG_STOP;
osalSysUnlock();
}
/**
* @brief Write random bytes
* @details Write the request number of bytes..
*
* @param[in] rngp pointer to the @p RNGDriver object
* @param[in] buf the pointer to the buffer
* @param[in] n number of bytes to send
* @param[in] timeout timeout value
*
* @api
*/
msg_t rngWrite(RNGDriver *rngp, uint8_t *buf, size_t n, systime_t timeout) {
msg_t msg;
osalSysLock();
msg = rngWriteI(rngp, buf, n, timeout);
osalSysUnlock();
return msg;
}
/**
* @brief Write random bytes
* @details Write the request number of bytes..
*
* @param[in] rngp pointer to the @p RNGDriver object
* @param[in] buf the pointer to the buffer
* @param[in] n number of bytes to send
* @param[in] timeout timeout value
*
* @iclass
*/
msg_t rngWriteI(RNGDriver *rngp, uint8_t *buf, size_t n, systime_t timeout) {
osalDbgCheck((rngp != NULL) && (n > 0U) && (buf != NULL));
osalDbgAssert(rngp->state == RNG_READY, "not ready");
return rng_lld_write(rngp, buf, n, timeout);
}
#if (RNG_USE_MUTUAL_EXCLUSION == TRUE) || defined(__DOXYGEN__)
/**
* @brief Gains exclusive access to the RNG unit.
* @details This function tries to gain ownership to the RNG, if the RNG is
* already being used then the invoking thread is queued.
* @pre In order to use this function the option @p RNG_USE_MUTUAL_EXCLUSION
* must be enabled.
*
* @param[in] rngp pointer to the @p RNGDriver object
*
* @api
*/
void rngAcquireUnit(RNGDriver *rngp) {
osalDbgCheck(rngp != NULL);
osalMutexLock(&rngp->mutex);
}
/**
* @brief Releases exclusive access to the RNG unit.
* @pre In order to use this function the option @p RNG_USE_MUTUAL_EXCLUSION
* must be enabled.
*
* @param[in] rngp pointer to the @p RNGDriver object
*
* @api
*/
void rngReleaseUnit(RNGDriver *rngp) {
osalDbgCheck(rngp != NULL);
osalMutexUnlock(&rngp->mutex);
}
#endif /* RNG_USE_MUTUAL_EXCLUSION == TRUE */
#endif /* HAL_USE_RNG */

230
testhal/NRF51/NRF51822/RNG/Makefile Normal file
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@ -0,0 +1,230 @@
##############################################################################
# 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
#
# 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_16.1.2
CHIBIOS_CONTRIB = /home/sdalu/ChibiOS/Z/ChibiOS-Contrib
# Startup files.
include $(CHIBIOS_CONTRIB)/os/common/ports/ARMCMx/compilers/GCC/mk/startup_nrf51.mk
# HAL-OSAL files (optional).
include $(CHIBIOS)/os/hal/hal.mk
include $(CHIBIOS_CONTRIB)/os/hal/hal.mk
include $(CHIBIOS_CONTRIB)/os/hal/ports/NRF51/NRF51822/platform.mk
include $(CHIBIOS_CONTRIB)/os/hal/boards/NRF51-DK/board.mk
include $(CHIBIOS)/os/hal/osal/rt/osal.mk
# RTOS files (optional).
include $(CHIBIOS)/os/rt/rt.mk
include $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_v6m.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) \
$(TESTSRC) \
$(CHIBIOS)/os/various/shell.c \
$(CHIBIOS)/os/hal/lib/streams/memstreams.c \
$(CHIBIOS)/os/hal/lib/streams/chprintf.c \
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 = $(STARTUPASM) $(PORTASM) $(OSALASM)
INCDIR = $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
$(HALINC) $(PLATFORMINC) $(BOARDINC) $(TESTINC) \
$(CHIBIOS)/os/hal/lib/streams $(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
# ARM-specific options here
AOPT =
# THUMB-specific options here
TOPT = -mthumb -DTHUMB
# Define C warning options here
CWARN = -Wall -Wextra -Wundef -Wstrict-prototypes
# Define C++ warning options here
CPPWARN = -Wall -Wextra -Wundef
#
# 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/ports/ARMCMx/compilers/GCC
include $(RULESPATH)/rules.mk
# Flash
JLINK_DEVICE = nrf51422
JLINK_PRE_FLASH = w4 4001e504 1
JLINK_ERASE_ALL = w4 4001e504 2\nw4 4001e50c 1\nsleep 100
include /home/sdalu/ChibiOS/W/ChibiOS-Contrib/os/various/jlink.mk
include /home/sdalu/ChibiOS/W/ChibiOS-Contrib/os/various/gdb.mk
flash: all jlink-flash
debug: gdb-debug

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/*
Copyright (C) 2016 Stephane 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 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_
/*===========================================================================*/
/**
* @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 TRUE
/**
* @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 TRUE
/**
* @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 TRUE
/**
* @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 TRUE
/**
* @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 TRUE
/**
* @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 TRUE
/**
* @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 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.*/ \
}
/** @} */
/*===========================================================================*/
/* Port-specific settings (override port settings defaulted in chcore.h). */
/*===========================================================================*/
#endif /* _CHCONF_H_ */
/** @} */

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/*
Copyright (C) 2016 Stephane 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 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 DAC subsystem.
*/
#if !defined(HAL_USE_DAC) || defined(__DOXYGEN__)
#define HAL_USE_DAC FALSE
#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 FALSE
#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
/**
* @brief Enables the WDG subsystem.
*/
#if !defined(HAL_USE_WDG) || defined(__DOXYGEN__)
#define HAL_USE_WDG FALSE
#endif
#include "halconf_community.h"
#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.
*/
#ifndef _HALCONF_COMMUNITY_H_
#define _HALCONF_COMMUNITY_H_
/**
* @brief Enables the community overlay.
*/
#if !defined(HAL_USE_COMMUNITY) || defined(__DOXYGEN__)
#define HAL_USE_COMMUNITY TRUE
#endif
/**
* @brief Enables the FSMC subsystem.
*/
#if !defined(HAL_USE_FSMC) || defined(__DOXYGEN__)
#define HAL_USE_FSMC FALSE
#endif
/**
* @brief Enables the NAND subsystem.
*/
#if !defined(HAL_USE_NAND) || defined(__DOXYGEN__)
#define HAL_USE_NAND FALSE
#endif
/**
* @brief Enables the 1-wire subsystem.
*/
#if !defined(HAL_USE_ONEWIRE) || defined(__DOXYGEN__)
#define HAL_USE_ONEWIRE FALSE
#endif
/**
* @brief Enables the EICU subsystem.
*/
#if !defined(HAL_USE_EICU) || defined(__DOXYGEN__)
#define HAL_USE_EICU FALSE
#endif
/**
* @brief Enables the community subsystem.
*/
#if !defined(HAL_USE_CRC) || defined(__DOXYGEN__)
#define HAL_USE_CRC FALSE
#endif
/**
* @brief Enables the community subsystem.
*/
#if !defined(HAL_USE_RNG) || defined(__DOXYGEN__)
#define HAL_USE_RNG TRUE
#endif
/*===========================================================================*/
/* FSMCNAND driver related settings. */
/*===========================================================================*/
/**
* @brief Enables the @p nandAcquireBus() and @p nanReleaseBus() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(NAND_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define NAND_USE_MUTUAL_EXCLUSION FALSE
#endif
/*===========================================================================*/
/* 1-wire driver related settings. */
/*===========================================================================*/
/**
* @brief Enables strong pull up feature.
* @note Disabling this option saves both code and data space.
*/
#define ONEWIRE_USE_STRONG_PULLUP FALSE
/**
* @brief Enables search ROM feature.
* @note Disabling this option saves both code and data space.
*/
#define ONEWIRE_USE_SEARCH_ROM FALSE
/*===========================================================================*/
/* CRC driver settings. */
/*===========================================================================*/
/**
* @brief Enables DMA engine when performing CRC transactions.
* @note Enabling this option also enables asynchronous API.
*/
#if !defined(CRC_USE_DMA) || defined(__DOXYGEN__)
#define CRC_USE_DMA FALSE
#endif
/**
* @brief Enables the @p crcAcquireUnit() and @p crcReleaseUnit() APIs.
* @note Disabling this option saves both code and data space.
*/
#if !defined(CRC_USE_MUTUAL_EXCLUSION) || defined(__DOXYGEN__)
#define CRC_USE_MUTUAL_EXCLUSION FALSE
#endif
#endif /* _HALCONF_COMMUNITY_H_ */
/** @} */

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/*
Copyright (C) 2016 Stephane 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"
#include "shell.h"
#include "chprintf.h"
#include <stdlib.h>
/*
* Command Random
*/
#define RANDOM_BUFFER_SIZE 1024
static uint8_t random_buffer[RANDOM_BUFFER_SIZE];
static void cmd_random(BaseSequentialStream *chp, int argc, char *argv[]) {
uint16_t size = 16;
uint16_t i = 0;
uint8_t nl = 0;
if (argc > 0) {
size = atoi(argv[0]);
}
if (size > RANDOM_BUFFER_SIZE) {
chprintf(chp, "random: maximum size is %d.\r\n", RANDOM_BUFFER_SIZE);
return;
}
chprintf(chp, "Fetching %d random byte(s):\r\n", size);
rngStart(&RNGD1, NULL);
rngWrite(&RNGD1, random_buffer, size, TIME_INFINITE);
rngStop(&RNGD1);
for (i = 0 ; i < size ; i++) {
chprintf(chp, "%02x ", random_buffer[i]);
if (nl = (((i+1) % 20) == 0))
chprintf(chp, "\r\n");
}
if (!nl)
chprintf(chp, "\r\n");
}
/*
* Shell
*/
#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
static const ShellCommand commands[] = {
{"random", cmd_random},
{NULL, NULL}
};
static const ShellConfig shell_cfg1 = {
(BaseSequentialStream *)&SD1,
commands
};
/*
* Application entry point.
*/
int main(void) {
/*
* 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();
/*
* Serial device
*/
SerialConfig serial_config = {
.speed = 115200,
.tx_pad = UART_TX,
.rx_pad = UART_RX,
};
sdStart(&SD1, &serial_config);
/*
* Shell manager initialization.
*/
shellInit();
shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
/*
* Normal main() thread activity, in this demo it does nothing.
*/
while (true) {
chThdSleepMilliseconds(500);
palTogglePad(IOPORT1, LED1);
}
}

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testhal/NRF51/NRF51822/RNG/mcuconf.h Normal file
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/*
Copyright (C) 2016 Stephane 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.
*/
#ifndef _MCUCONF_H_
#define _MCUCONF_H_
#define NRF51_RNG_USE_RNG1 TRUE
#define NRF51_SERIAL_USE_UART0 TRUE
#endif /* _MCUCONF_H_ */

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testhal/NRF51/NRF51822/RNG/readme.txt Normal file
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*****************************************************************************
** ChibiOS/HAL - GPT driver demo for NRF51x22. **
*****************************************************************************
** TARGET **
The demo runs on an NRF51-DK board.
** The Demo **
The application demonstrates the use of the NRF51x22 RNG driver.
** Board Setup **
** Build Procedure **
Just modify the TRGT line in the makefile in order to use different GCC ports.