diff options
Diffstat (limited to 'os/hal/ports/KINETIS/MK66F18')
-rw-r--r-- | os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.c | 390 | ||||
-rw-r--r-- | os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.h | 270 | ||||
-rw-r--r-- | os/hal/ports/KINETIS/MK66F18/hal_spi_lld.c | 539 | ||||
-rw-r--r-- | os/hal/ports/KINETIS/MK66F18/hal_spi_lld.h | 261 | ||||
-rw-r--r-- | os/hal/ports/KINETIS/MK66F18/platform.mk | 50 |
5 files changed, 32 insertions, 1478 deletions
diff --git a/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.c b/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.c deleted file mode 100644 index f39823d..0000000 --- a/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.c +++ /dev/null @@ -1,390 +0,0 @@ -/*
- ChibiOS/HAL - Copyright (C) 2014 Adam J. Porter
-
- 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 MK66F18/pwm_lld.c
- * @brief KINETIS 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 FTM0 when enabled.
- */
-#if KINETIS_PWM_USE_FTM0 || defined(__DOXYGEN__)
-PWMDriver PWMD1;
-#endif
-
-/**
- * @brief PWMD2 driver identifier.
- * @note The driver PWMD2 allocates the timer FTM1 when enabled.
- */
-#if KINETIS_PWM_USE_FTM1 || defined(__DOXYGEN__)
-PWMDriver PWMD2;
-#endif
-
-/**
- * @brief PWMD3 driver identifier.
- * @note The driver PWMD3 allocates the timer FTM2 when enabled.
- */
-#if KINETIS_PWM_USE_FTM2 || defined(__DOXYGEN__)
-PWMDriver PWMD3;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void pwm_lld_serve_interrupt(PWMDriver *pwmp) {
- uint32_t sr;
-
- sr = pwmp->ftm->SC;
- pwmp->ftm->SC = sr&(~FTM_SC_TOF);
-
- if (((sr & FTM_SC_TOF) != 0) && /* Timer Overflow */
- ((sr & FTM_SC_TOIE) != 0) &&
- (pwmp->config->callback != NULL)) {
- pwmp->config->callback(pwmp);
- }
-
- uint8_t n=0;
- for(n=0;n<pwmp->channels;n++) {
- sr = pwmp->ftm->CHANNEL[n].CnSC;
- pwmp->ftm->CHANNEL[n].CnSC = sr&(~FTM_CnSC_CHF);
- if (((sr & FTM_CnSC_CHF) != 0) &&
- ((sr & FTM_CnSC_CHIE) != 0) &&
- (pwmp->config->channels[n].callback != NULL)) {
- pwmp->config->channels[n].callback(pwmp);
- }
- }
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if KINETIS_PWM_USE_FTM0
-/**
- * @brief FTM0 interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(KINETIS_FTM0_IRQ_VECTOR) {
- OSAL_IRQ_PROLOGUE();
- pwm_lld_serve_interrupt(&PWMD1);
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* KINETIS_PWM_USE_FTM0 */
-
-#if KINETIS_PWM_USE_FTM1
-/**
- * @brief FTM1 interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(KINETIS_FTM1_IRQ_VECTOR) {
-
- OSAL_IRQ_PROLOGUE();
- pwm_lld_serve_interrupt(&PWMD2);
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* KINETIS_PWM_USE_FTM1 */
-
-#if KINETIS_PWM_USE_FTM2
-/**
- * @brief FTM2 interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(KINETIS_FTM2_IRQ_VECTOR) {
-
- OSAL_IRQ_PROLOGUE();
- pwm_lld_serve_interrupt(&PWMD3);
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* KINETIS_PWM_USE_FTM2 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level PWM driver initialization.
- *
- * @notapi
- */
-void pwm_lld_init(void) {
-
-#if KINETIS_PWM_USE_FTM0
- pwmObjectInit(&PWMD1);
- PWMD1.channels = KINETIS_FTM0_CHANNELS;
- PWMD1.ftm = FTM0;
-#endif
-
-#if KINETIS_PWM_USE_FTM1
- pwmObjectInit(&PWMD2);
- PWMD2.channels = KINETIS_FTM1_CHANNELS;
- PWMD2.ftm = FTM1;
-#endif
-
-#if KINETIS_PWM_USE_FTM2
- pwmObjectInit(&PWMD3);
- PWMD3.channels = KINETIS_FTM2_CHANNELS;
- PWMD3.ftm = FTM2;
-#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) {
- uint16_t psc;
- uint8_t i=0;
-
- if (pwmp->state == PWM_STOP) {
- /* Clock activation and timer reset.*/
-#if KINETIS_PWM_USE_FTM0
- if (&PWMD1 == pwmp) {
- SIM->SCGC6 |= SIM_SCGC6_FTM0;
- nvicEnableVector(FTM0_IRQn, KINETIS_PWM_FTM0_PRIORITY);
- }
-#endif
-
-#if KINETIS_PWM_USE_FTM1
- if (&PWMD2 == pwmp) {
- SIM->SCGC6 |= SIM_SCGC6_FTM1;
- nvicEnableVector(FTM1_IRQn, KINETIS_PWM_FTM1_PRIORITY);
- }
-#endif
-
-#if KINETIS_PWM_USE_FTM2
- if (&PWMD3 == pwmp) {
- SIM->SCGC3 |= SIM_SCGC3_FTM2;
- nvicEnableVector(FTM2_IRQn, KINETIS_PWM_FTM2_PRIORITY);
- }
-#endif
- }
- pwmp->ftm->MODE = FTM_MODE_FTMEN_MASK|FTM_MODE_PWMSYNC_MASK;
- pwmp->ftm->SYNC = FTM_SYNC_CNTMIN_MASK|FTM_SYNC_CNTMAX_MASK
- |FTM_SYNC_SWSYNC_MASK;
- pwmp->ftm->COMBINE = FTM_COMBINE_SYNCEN3_MASK | FTM_COMBINE_SYNCEN2_MASK
- | FTM_COMBINE_SYNCEN1_MASK | FTM_COMBINE_SYNCEN0_MASK;
- pwmp->ftm->SYNCONF = FTM_SYNCONF_SYNCMODE_MASK;
-
- pwmp->ftm->CNTIN = 0x0000;
- //~ pwmp->ftm->SC = 0; /* Disable FTM counter.*/
- pwmp->ftm->CNT = 0x0000; /* Clear count register.*/
-
- /* Prescaler value calculation.*/
- psc = (KINETIS_SYSCLK_FREQUENCY / pwmp->config->frequency);
- //~ /* Prescaler must be power of two between 1 and 128.*/
- osalDbgAssert(psc <= 128 && !(psc & (psc - 1)), "invalid frequency");
- //~ /* Prescaler register value determination.
- //~ Prescaler register value conveniently corresponds to bit position,
- //~ i.e., register value for prescaler CLK/64 is 6 ((1 << 6) == 64).*/
- for (i = 0; i < 8; i++) {
- if (psc == (unsigned)(1 << i)) {
- break;
- }
- }
-
- /* Set prescaler and clock mode.
- This also sets the following:
- CPWMS up-counting mode
- Timer overflow interrupt disabled
- DMA disabled.*/
- pwmp->ftm->SC = FTM_SC_CLKS(1) | FTM_SC_PS(i);
- /* Configure period */
- pwmp->ftm->MOD = pwmp->period-1;
- pwmp->ftm->PWMLOAD = FTM_PWMLOAD_LDOK_MASK;
-}
-
-/**
- * @brief Deactivates the PWM peripheral.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- *
- * @notapi
- */
-void pwm_lld_stop(PWMDriver *pwmp) {
-
- /* If in ready state then disables the PWM clock.*/
- if (pwmp->state == PWM_READY) {
-#if KINETIS_PWM_USE_FTM0
- if (&PWMD1 == pwmp) {
- SIM->SCGC6 &= ~SIM_SCGC6_FTM0;
- nvicDisableVector(FTM0_IRQn);
- }
-#endif
-
-#if KINETIS_PWM_USE_FTM1
- if (&PWMD2 == pwmp) {
- SIM->SCGC6 &= ~SIM_SCGC6_FTM1;
- nvicDisableVector(FTM1_IRQn);
- }
-#endif
-
-#if KINETIS_PWM_USE_FTM2
- if (&PWMD3 == pwmp) {
- SIM->SCGC3 &= ~SIM_SCGC3_FTM2;
- nvicDisableVector(FTM2_IRQn);
- }
-#endif
- /* Disable FTM counter.*/
- pwmp->ftm->SC = 0;
- pwmp->ftm->MOD = 0;
- }
-}
-
-/**
- * @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) {
- uint32_t mode = FTM_CnSC_MSB; /* Edge-aligned PWM mode.*/
-
- switch (pwmp->config->channels[channel].mode & PWM_OUTPUT_MASK) {
- case PWM_OUTPUT_ACTIVE_HIGH:
- mode |= FTM_CnSC_ELSB;
- break;
- case PWM_OUTPUT_ACTIVE_LOW:
- mode |= FTM_CnSC_ELSA;
- break;
- }
-
- if (pwmp->ftm->CHANNEL[channel].CnSC & FTM_CnSC_CHIE)
- mode |= FTM_CnSC_CHIE;
-
- pwmp->ftm->CHANNEL[channel].CnSC = mode;
- pwmp->ftm->CHANNEL[channel].CnV = width;
- pwmp->ftm->PWMLOAD = FTM_PWMLOAD_LDOK_MASK;
-}
-
-/**
- * @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->ftm->CHANNEL[channel].CnSC = 0;
- pwmp->ftm->CHANNEL[channel].CnV = 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->ftm->SC |= FTM_SC_TOIE;
-}
-
-/**
- * @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->ftm->SC &= ~FTM_SC_TOIE;
-}
-
-/**
- * @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->ftm->CHANNEL[channel].CnSC |= FTM_CnSC_CHIE;
-}
-
-/**
- * @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->ftm->CHANNEL[channel].CnSC &= ~FTM_CnSC_CHIE;
-}
-
-#endif /* HAL_USE_PWM */
-
-/** @} */
diff --git a/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.h b/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.h deleted file mode 100644 index 9332e34..0000000 --- a/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.h +++ /dev/null @@ -1,270 +0,0 @@ -/*
- ChibiOS/HAL - Copyright (C) 2014 Adam J. Porter
-
- 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 MK66F18/pwm_lld.h
- * @brief KINETIS 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 8
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-#if !defined(KINETIS_PWM_USE_FTM0)
- #define KINETIS_PWM_USE_FTM0 FALSE
-#endif
-
-#if !defined(KINETIS_PWM_USE_FTM1)
- #define KINETIS_PWM_USE_FTM1 FALSE
-#endif
-
-#if !defined(KINETIS_PWM_USE_FTM2)
- #define KINETIS_PWM_USE_FTM2 FALSE
-#endif
-
-/**
- * @brief FTM0 interrupt priority level setting.
- */
-#if !defined(KINETIS_PWM_FTM0_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_PWM_FTM0_PRIORITY 12
-#endif
-
-/**
- * @brief FTM1 interrupt priority level setting.
- */
-#if !defined(KINETIS_PWM_FTM1_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_PWM_FTM1_PRIORITY 12
-#endif
-
-/**
- * @brief FTM2 interrupt priority level setting.
- */
-#if !defined(KINETIS_PWM_FTM2_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_PWM_FTM2_PRIORITY 12
-#endif
-
-/** @} */
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief If advanced timer features switch.
- * @details If set to @p TRUE the advanced features for TIM1 and TIM8 are
- * enabled.
- * @note The default is @p TRUE.
- */
-#if !defined(KINETIS_PWM_USE_ADVANCED) || defined(__DOXYGEN__)
-#define KINETIS_PWM_USE_ADVANCED FALSE
-#endif
-/** @} */
-
-/*===========================================================================*/
-/* Configuration checks. */
-/*===========================================================================*/
-
-#if !KINETIS_PWM_USE_FTM0 && !KINETIS_PWM_USE_FTM1 && !KINETIS_PWM_USE_FTM2
-#error "PWM driver activated but no FTM peripheral assigned"
-#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 FTM registers block.
- */
- FTM_TypeDef *ftm;
-};
-
-/*===========================================================================*/
-/* 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)->ftm->MOD = ((period) - 1); \
- pwmp->ftm->PWMLOAD = FTM_PWMLOAD_LDOK_MASK;\
- } while(0)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if KINETIS_PWM_USE_FTM0 || defined(__DOXYGEN__)
-extern PWMDriver PWMD1;
-#endif
-#if KINETIS_PWM_USE_FTM1 || defined(__DOXYGEN__)
-extern PWMDriver PWMD2;
-#endif
-#if KINETIS_PWM_USE_FTM2 || 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_ */
-
-/** @} */
diff --git a/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.c b/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.c deleted file mode 100644 index 29ab4e8..0000000 --- a/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.c +++ /dev/null @@ -1,539 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2014-2015 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 KINETIS/spi_lld.c
- * @brief KINETIS SPI subsystem low level driver source.
- *
- * @addtogroup SPI
- * @{
- */
-
-#include "hal.h"
-
-#if HAL_USE_SPI || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-#if !defined(KINETIS_SPI0_RX_DMA_IRQ_PRIORITY)
-#define KINETIS_SPI0_RX_DMA_IRQ_PRIORITY 8
-#endif
-
-#if !defined(KINETIS_SPI0_RX_DMAMUX_CHANNEL)
-#define KINETIS_SPI0_RX_DMAMUX_CHANNEL 0
-#endif
-
-#if !defined(KINETIS_SPI0_RX_DMA_CHANNEL)
-#define KINETIS_SPI0_RX_DMA_CHANNEL 0
-#endif
-
-#if !defined(KINETIS_SPI0_TX_DMAMUX_CHANNEL)
-#define KINETIS_SPI0_TX_DMAMUX_CHANNEL 1
-#endif
-
-#if !defined(KINETIS_SPI0_TX_DMA_CHANNEL)
-#define KINETIS_SPI0_TX_DMA_CHANNEL 1
-#endif
-
-#if !defined(KINETIS_SPI1_RX_DMA_IRQ_PRIORITY)
-#define KINETIS_SPI1_RX_DMA_IRQ_PRIORITY 8
-#endif
-
-#if !defined(KINETIS_SPI1_RX_DMAMUX_CHANNEL)
-#define KINETIS_SPI1_RX_DMAMUX_CHANNEL 0
-#endif
-
-#if !defined(KINETIS_SPI1_RX_DMA_CHANNEL)
-#define KINETIS_SPI1_RX_DMA_CHANNEL 0
-#endif
-
-#if !defined(KINETIS_SPI1_TX_DMAMUX_CHANNEL)
-#define KINETIS_SPI1_TX_DMAMUX_CHANNEL 1
-#endif
-
-#if !defined(KINETIS_SPI1_TX_DMA_CHANNEL)
-#define KINETIS_SPI1_TX_DMA_CHANNEL 1
-#endif
-
-#if KINETIS_SPI_USE_SPI0
-#define DMAMUX_SPI_RX_SOURCE 16
-#define DMAMUX_SPI_TX_SOURCE 17
-#endif
-
-#if KINETIS_SPI_USE_SPI1
-#define DMAMUX_SPI_RX_SOURCE 18
-#define DMAMUX_SPI_TX_SOURCE 19
-#endif
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/** @brief SPI0 driver identifier.*/
-#if KINETIS_SPI_USE_SPI0 || defined(__DOXYGEN__)
-SPIDriver SPID1;
-#endif
-
-/** @brief SPI1 driver identifier.*/
-#if KINETIS_SPI_USE_SPI1 || defined(__DOXYGEN__)
-SPIDriver SPID2;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/* Use a dummy byte as the source/destination when a buffer is not provided */
-/* Note: The MMC driver relies on 0xFF being sent for dummy bytes. */
-static volatile uint16_t dmaRxDummy;
-static uint16_t dmaTxDummy = 0xFFFF;
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void spi_start_xfer(SPIDriver *spip, bool polling)
-{
- /*
- * Enable the DSPI peripheral in master mode.
- * Clear the TX and RX FIFOs.
- * */
- spip->spi->MCR = SPIx_MCR_MSTR | SPIx_MCR_CLR_TXF | SPIx_MCR_CLR_RXF;
-
- /* If we are not polling then enable DMA */
- if (!polling) {
-
- /* Enable receive dma and transmit dma */
- spip->spi->RSER = SPIx_RSER_RFDF_DIRS | SPIx_RSER_RFDF_RE |
- SPIx_RSER_TFFF_RE | SPIx_RSER_TFFF_DIRS;
-
- /* Configure RX DMA */
- if (spip->rxbuf) {
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].DADDR = (uint32_t)spip->rxbuf;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].DOFF = spip->word_size;
- } else {
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].DADDR = (uint32_t)&dmaRxDummy;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].DOFF = 0;
- }
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].BITER_ELINKNO = spip->count;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].CITER_ELINKNO = spip->count;
-
- /* Enable Request Register (ERQ) for RX by writing 0 to SERQ */
- DMA->SERQ = KINETIS_SPI0_RX_DMA_CHANNEL;
-
- /* Configure TX DMA */
- if (spip->txbuf) {
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].SADDR = (uint32_t)spip->txbuf;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].SOFF = spip->word_size;
- } else {
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].SADDR = (uint32_t)&dmaTxDummy;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].SOFF = 0;
- }
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].BITER_ELINKNO = spip->count;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].CITER_ELINKNO = spip->count;
-
- /* Enable Request Register (ERQ) for TX by writing 1 to SERQ */
- DMA->SERQ = KINETIS_SPI0_TX_DMA_CHANNEL;
- }
-}
-
-static void spi_stop_xfer(SPIDriver *spip)
-{
- /* Halt the DSPI peripheral */
- spip->spi->MCR = SPIx_MCR_MSTR | SPIx_MCR_HALT;
-
- /* Clear all the flags which are currently set. */
- spip->spi->SR |= spip->spi->SR;
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if KINETIS_SPI_USE_SPI0 || defined(__DOXYGEN__)
-
-OSAL_IRQ_HANDLER(KINETIS_DMA0_IRQ_VECTOR) {
- OSAL_IRQ_PROLOGUE();
-
- /* Clear bit 0 in Interrupt Request Register (INT) by writing 0 to CINT */
- DMA->CINT = KINETIS_SPI0_RX_DMA_CHANNEL;
-
- spi_stop_xfer(&SPID1);
-
- _spi_isr_code(&SPID1);
-
- OSAL_IRQ_EPILOGUE();
-}
-
-#endif
-
-#if KINETIS_SPI_USE_SPI1 || defined(__DOXYGEN__)
-
-OSAL_IRQ_HANDLER(KINETIS_DMA0_IRQ_VECTOR) {
- OSAL_IRQ_PROLOGUE();
-
- /* Clear bit 0 in Interrupt Request Register (INT) by writing 0 to CINT */
- DMA->CINT = KINETIS_SPI1_RX_DMA_CHANNEL;
-
- spi_stop_xfer(&SPID2);
-
- _spi_isr_code(&SPID2);
-
- OSAL_IRQ_EPILOGUE();
-}
-
-#endif
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level SPI driver initialization.
- *
- * @notapi
- */
-void spi_lld_init(void) {
-#if KINETIS_SPI_USE_SPI0
- spiObjectInit(&SPID1);
-#endif
-#if KINETIS_SPI_USE_SPI1
- spiObjectInit(&SPID2);
-#endif
-}
-
-/**
- * @brief Configures and activates the SPI peripheral.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_start(SPIDriver *spip) {
-
- /* If in stopped state then enables the SPI and DMA clocks.*/
- if (spip->state == SPI_STOP) {
-
-#if KINETIS_SPI_USE_SPI0
- if (&SPID1 == spip) {
-
- /* Enable the clock for SPI0 */
- SIM->SCGC6 |= SIM_SCGC6_SPI0;
-
- SPID1.spi = SPI0;
-
- if (spip->config->tar0) {
- spip->spi->CTAR[0] = spip->config->tar0;
- } else {
- spip->spi->CTAR[0] = KINETIS_SPI_TAR0_DEFAULT;
- }
- }
-#endif
-
-#if KINETIS_SPI_USE_SPI1
- if (&SPID2 == spip) {
-
- /* Enable the clock for SPI0 */
- SIM->SCGC6 |= SIM_SCGC6_SPI1;
-
- SPID2.spi = SPI1;
-
- if (spip->config->tar0) {
- spip->spi->CTAR[0] = spip->config->tar0;
- } else {
- spip->spi->CTAR[0] = KINETIS_SPI_TAR0_DEFAULT;
- }
- }
-#endif
-
- nvicEnableVector(DMA0_IRQn, KINETIS_SPI0_RX_DMA_IRQ_PRIORITY);
-
- SIM->SCGC6 |= SIM_SCGC6_DMAMUX;
- SIM->SCGC7 |= SIM_SCGC7_DMA;
-
- /* Clear DMA error flags */
- DMA->ERR = 0x0F;
-
-#if KINETIS_SPI_USE_SPI0
- /* Rx, select SPI Rx FIFO */
- DMAMUX->CHCFG[KINETIS_SPI0_RX_DMAMUX_CHANNEL] = DMAMUX_CHCFGn_ENBL |
- DMAMUX_CHCFGn_SOURCE(DMAMUX_SPI_RX_SOURCE);
-
- /* Tx, select SPI Tx FIFO */
- DMAMUX->CHCFG[KINETIS_SPI0_TX_DMAMUX_CHANNEL] = DMAMUX_CHCFGn_ENBL |
- DMAMUX_CHCFGn_SOURCE(DMAMUX_SPI_TX_SOURCE);
-
- /* Extract the frame size from the TAR */
- uint16_t frame_size = ((spip->spi->CTAR[0] >> SPIx_CTARn_FMSZ_SHIFT) &
- SPIx_CTARn_FMSZ_MASK) + 1;
-
- /* DMA transfer size is 16 bits for a frame size > 8 bits */
- uint16_t dma_size = frame_size > 8 ? 1 : 0;
-
- /* DMA word size is 2 for a 16 bit frame size */
- spip->word_size = frame_size > 8 ? 2 : 1;
-
- /* configure DMA RX fixed values */
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].SADDR = (uint32_t)&SPI0->POPR;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].SOFF = 0;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].SLAST = 0;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].DLASTSGA = 0;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].ATTR = DMA_ATTR_SSIZE(dma_size) |
- DMA_ATTR_DSIZE(dma_size);
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].NBYTES_MLNO = spip->word_size;
- DMA->TCD[KINETIS_SPI0_RX_DMA_CHANNEL].CSR = DMA_CSR_DREQ_MASK |
- DMA_CSR_INTMAJOR_MASK;
-
- /* configure DMA TX fixed values */
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].SLAST = 0;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].DADDR = (uint32_t)&SPI0->PUSHR;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].DOFF = 0;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].DLASTSGA = 0;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].ATTR = DMA_ATTR_SSIZE(dma_size) |
- DMA_ATTR_DSIZE(dma_size);
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].NBYTES_MLNO = spip->word_size;
- DMA->TCD[KINETIS_SPI0_TX_DMA_CHANNEL].CSR = DMA_CSR_DREQ_MASK;
-#endif
-
-#if KINETIS_SPI_USE_SPI1
- /* Rx, select SPI Rx FIFO */
- DMAMUX->CHCFG[KINETIS_SPI1_RX_DMAMUX_CHANNEL] = DMAMUX_CHCFGn_ENBL |
- DMAMUX_CHCFGn_SOURCE(DMAMUX_SPI_RX_SOURCE);
-
- /* Tx, select SPI Tx FIFO */
- DMAMUX->CHCFG[KINETIS_SPI1_TX_DMAMUX_CHANNEL] = DMAMUX_CHCFGn_ENBL |
- DMAMUX_CHCFGn_SOURCE(DMAMUX_SPI_TX_SOURCE);
-
- /* Extract the frame size from the TAR */
- uint16_t frame_size = ((spip->spi->CTAR[0] >> SPIx_CTARn_FMSZ_SHIFT) &
- SPIx_CTARn_FMSZ_MASK) + 1;
-
- /* DMA transfer size is 16 bits for a frame size > 8 bits */
- uint16_t dma_size = frame_size > 8 ? 1 : 0;
-
- /* DMA word size is 2 for a 16 bit frame size */
- spip->word_size = frame_size > 8 ? 2 : 1;
-
- /* configure DMA RX fixed values */
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].SADDR = (uint32_t)&SPI1->POPR;
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].SOFF = 0;
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].SLAST = 0;
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].DLASTSGA = 0;
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].ATTR = DMA_ATTR_SSIZE(dma_size) |
- DMA_ATTR_DSIZE(dma_size);
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].NBYTES_MLNO = spip->word_size;
- DMA->TCD[KINETIS_SPI1_RX_DMA_CHANNEL].CSR = DMA_CSR_DREQ_MASK |
- DMA_CSR_INTMAJOR_MASK;
-
- /* configure DMA TX fixed values */
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].SLAST = 0;
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].DADDR = (uint32_t)&SPI1->PUSHR;
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].DOFF = 0;
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].DLASTSGA = 0;
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].ATTR = DMA_ATTR_SSIZE(dma_size) |
- DMA_ATTR_DSIZE(dma_size);
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].NBYTES_MLNO = spip->word_size;
- DMA->TCD[KINETIS_SPI1_TX_DMA_CHANNEL].CSR = DMA_CSR_DREQ_MASK;
-#endif
- }
-}
-
-/**
- * @brief Deactivates the SPI peripheral.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_stop(SPIDriver *spip) {
-
- /* If in ready state then disables the SPI clock.*/
- if (spip->state == SPI_READY) {
-
- nvicDisableVector(DMA0_IRQn);
-
- SIM->SCGC7 &= ~SIM_SCGC7_DMA;
- SIM->SCGC6 &= ~SIM_SCGC6_DMAMUX;
-
-#if KINETIS_SPI_USE_SPI0
- if (&SPID1 == spip) {
- /* SPI halt.*/
- spip->spi->MCR |= SPIx_MCR_HALT;
- }
-
- /* Disable the clock for SPI0 */
- SIM->SCGC6 &= ~SIM_SCGC6_SPI0;
-#endif
-
-#if KINETIS_SPI_USE_SPI1
- if (&SPID2 == spip) {
- /* SPI halt.*/
- spip->spi->MCR |= SPIx_MCR_HALT;
- }
-
- /* Disable the clock for SPI1 */
- SIM->SCGC6 &= ~SIM_SCGC6_SPI1;
-#endif
- }
-}
-
-/**
- * @brief Asserts the slave select signal and prepares for transfers.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_select(SPIDriver *spip) {
-
- palClearPad(spip->config->ssport, spip->config->sspad);
-}
-
-/**
- * @brief Deasserts the slave select signal.
- * @details The previously selected peripheral is unselected.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_unselect(SPIDriver *spip) {
-
- palSetPad(spip->config->ssport, spip->config->sspad);
-}
-
-/**
- * @brief Ignores data on the SPI bus.
- * @details This asynchronous function starts the transmission of a series of
- * idle words on the SPI bus and ignores the received data.
- * @post At the end of the operation the configured callback is invoked.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to be ignored
- *
- * @notapi
- */
-void spi_lld_ignore(SPIDriver *spip, size_t n) {
-
- spip->count = n;
- spip->rxbuf = NULL;
- spip->txbuf = NULL;
-
- spi_start_xfer(spip, false);
-}
-
-/**
- * @brief Exchanges data on the SPI bus.
- * @details This asynchronous function starts a simultaneous transmit/receive
- * operation.
- * @post At the end of the operation the configured callback is invoked.
- * @note The buffers are organized as uint8_t arrays for data sizes below or
- * equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to be exchanged
- * @param[in] txbuf the pointer to the transmit buffer
- * @param[out] rxbuf the pointer to the receive buffer
- *
- * @notapi
- */
-void spi_lld_exchange(SPIDriver *spip, size_t n,
- const void *txbuf, void *rxbuf) {
-
- spip->count = n;
- spip->rxbuf = rxbuf;
- spip->txbuf = txbuf;
-
- spi_start_xfer(spip, false);
-}
-
-/**
- * @brief Sends data over the SPI bus.
- * @details This asynchronous function starts a transmit operation.
- * @post At the end of the operation the configured callback is invoked.
- * @note The buffers are organized as uint8_t arrays for data sizes below or
- * equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to send
- * @param[in] txbuf the pointer to the transmit buffer
- *
- * @notapi
- */
-void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf) {
-
- spip->count = n;
- spip->rxbuf = NULL;
- spip->txbuf = (void *)txbuf;
-
- spi_start_xfer(spip, false);
-}
-
-/**
- * @brief Receives data from the SPI bus.
- * @details This asynchronous function starts a receive operation.
- * @post At the end of the operation the configured callback is invoked.
- * @note The buffers are organized as uint8_t arrays for data sizes below or
- * equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to receive
- * @param[out] rxbuf the pointer to the receive buffer
- *
- * @notapi
- */
-void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf) {
-
- spip->count = n;
- spip->rxbuf = rxbuf;
- spip->txbuf = NULL;
-
- spi_start_xfer(spip, false);
-}
-
-/**
- * @brief Exchanges one frame using a polled wait.
- * @details This synchronous function exchanges one frame using a polled
- * synchronization method. This function is useful when exchanging
- * small amount of data on high speed channels, usually in this
- * situation is much more efficient just wait for completion using
- * polling than suspending the thread waiting for an interrupt.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] frame the data frame to send over the SPI bus
- * @return The received data frame from the SPI bus.
- */
-uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame) {
-
- spi_start_xfer(spip, true);
-
- spip->spi->PUSHR = SPIx_PUSHR_TXDATA(frame);
-
- while ((spip->spi->SR & SPIx_SR_RFDF) == 0)
- ;
-
- frame = spip->spi->POPR;
-
- spi_stop_xfer(spip);
-
- return frame;
-}
-
-#endif /* HAL_USE_SPI */
-
-/** @} */
diff --git a/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.h b/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.h deleted file mode 100644 index 0cf108e..0000000 --- a/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.h +++ /dev/null @@ -1,261 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2014-2015 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 KINETIS/spi_lld.h
- * @brief KINETIS SPI subsystem low level driver header.
- *
- * @addtogroup SPI
- * @{
- */
-
-#ifndef HAL_SPI_LLD_H_
-#define HAL_SPI_LLD_H_
-
-#if HAL_USE_SPI || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief SPI0 driver enable switch.
- * @details If set to @p TRUE the support for SPI0 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(KINETIS_SPI_USE_SPI0) || defined(__DOXYGEN__)
-#define KINETIS_SPI_USE_SPI0 FALSE
-#endif
-
-/**
- * @brief SPI0 interrupt priority level setting.
- */
-#if !defined(KINETIS_SPI_SPI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_SPI_SPI0_IRQ_PRIORITY 10
-#endif
-
-/**
- * @brief SPI1 driver enable switch.
- * @details If set to @p TRUE the support for SPI0 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(KINETIS_SPI_USE_SPI1) || defined(__DOXYGEN__)
-#define KINETIS_SPI_USE_SPI1 FALSE
-#endif
-
-/**
- * @brief SPI1 interrupt priority level setting.
- */
-#if !defined(KINETIS_SPI_SPI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_SPI_SPI1_IRQ_PRIORITY 10
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if KINETIS_SPI_USE_SPI0 && !KINETIS_HAS_SPI0
-#error "SPI0 not present in the selected device"
-#endif
-
-#if KINETIS_SPI_USE_SPI1 && !KINETIS_HAS_SPI1
-#error "SPI1 not present in the selected device"
-#endif
-
-#if KINETIS_SPI_USE_SPI0 && KINETIS_SPI_USE_SPI1
-#error "Only one SPI peripheral can be enabled"
-#endif
-
-#if !(KINETIS_SPI_USE_SPI0 || KINETIS_SPI_USE_SPI1)
-#error "SPI driver activated but no SPI peripheral assigned"
-#endif
-
-#if KINETIS_SPI_USE_SPI0 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(KINETIS_SPI_SPI0_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to SPI0"
-#endif
-
-#if KINETIS_SPI_USE_SPI1 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(KINETIS_SPI_SPI1_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to SPI1"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief Type of a structure representing an SPI driver.
- */
-typedef struct SPIDriver SPIDriver;
-
-/**
- * @brief SPI notification callback type.
- *
- * @param[in] spip pointer to the @p SPIDriver object triggering the
- * callback
- */
-typedef void (*spicallback_t)(SPIDriver *spip);
-
-/**
- * @brief Driver configuration structure.
- */
-typedef struct {
- /**
- * @brief Operation complete callback or @p NULL.
- */
- spicallback_t end_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief The chip select line port - when not using pcs.
- */
- ioportid_t ssport;
- /**
- * @brief The chip select line pad number - when not using pcs.
- */
- uint16_t sspad;
- /**
- * @brief SPI initialization data.
- */
- uint32_t tar0;
-} SPIConfig;
-
-/**
- * @brief Structure representing a SPI driver.
- */
-struct SPIDriver {
- /**
- * @brief Driver state.
- */
- spistate_t state;
- /**
- * @brief Current configuration data.
- */
- const SPIConfig *config;
-#if SPI_USE_WAIT || defined(__DOXYGEN__)
- /**
- * @brief Waiting thread.
- */
- thread_reference_t thread;
-#endif /* SPI_USE_WAIT */
-#if SPI_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the bus.
- */
- mutex_t mutex;
-#endif /* SPI_USE_MUTUAL_EXCLUSION */
-#if defined(SPI_DRIVER_EXT_FIELDS)
- SPI_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the SPIx registers block.
- */
- SPI_TypeDef *spi;
- /**
- * @brief Number of bytes/words of data to transfer.
- */
- size_t count;
- /**
- * @brief Word size in bytes.
- */
- size_t word_size;
- /**
- * @brief Pointer to the buffer with data to send.
- */
- const uint8_t *txbuf;
- /**
- * @brief Pointer to the buffer to put received data.
- */
- uint8_t *rxbuf;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/* TAR settings for n bits at SYSCLK / 2 */
-#define KINETIS_SPI_TAR_SYSCLK_DIV_2(n)\
- SPIx_CTARn_FMSZ((n) - 1) | \
- SPIx_CTARn_CPOL | \
- SPIx_CTARn_CPHA | \
- SPIx_CTARn_DBR | \
- SPIx_CTARn_PBR(0) | \
- SPIx_CTARn_BR(0) | \
- SPIx_CTARn_CSSCK(0) | \
- SPIx_CTARn_ASC(0) | \
- SPIx_CTARn_DT(0)
-
-/* TAR settings for n bits at SYSCLK / 4096 for debugging */
-#define KINETIS_SPI_TAR_SYSCLK_DIV_4096(n) \
- SPIx_CTARn_FMSZ(((n) - 1)) | \
- SPIx_CTARn_CPOL | \
- SPIx_CTARn_CPHA | \
- SPIx_CTARn_PBR(0) | \
- SPIx_CTARn_BR(0xB) | \
- SPIx_CTARn_CSSCK(0xB) | \
- SPIx_CTARn_ASC(0x7) | \
- SPIx_CTARn_DT(0xB)
-
-#define KINETIS_SPI_TAR_8BIT_FAST KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-#define KINETIS_SPI_TAR_8BIT_SLOW KINETIS_SPI_TAR_SYSCLK_DIV_4096(8)
-
-#define KINETIS_SPI_TAR0_DEFAULT KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-#define KINETIS_SPI_TAR1_DEFAULT KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if KINETIS_SPI_USE_SPI0 && !defined(__DOXYGEN__)
-extern SPIDriver SPID1;
-#endif
-
-#if KINETIS_SPI_USE_SPI1 && !defined(__DOXYGEN__)
-extern SPIDriver SPID2;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void spi_lld_init(void);
- void spi_lld_start(SPIDriver *spip);
- void spi_lld_stop(SPIDriver *spip);
- void spi_lld_select(SPIDriver *spip);
- void spi_lld_unselect(SPIDriver *spip);
- void spi_lld_ignore(SPIDriver *spip, size_t n);
- void spi_lld_exchange(SPIDriver *spip, size_t n,
- const void *txbuf, void *rxbuf);
- void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf);
- void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf);
- uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_SPI */
-
-#endif /* HAL_SPI_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/ports/KINETIS/MK66F18/platform.mk b/os/hal/ports/KINETIS/MK66F18/platform.mk index 0e6be12..ce16bd5 100644 --- a/os/hal/ports/KINETIS/MK66F18/platform.mk +++ b/os/hal/ports/KINETIS/MK66F18/platform.mk @@ -1,19 +1,33 @@ -# List of all platform files.
-PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/MK66F18/hal_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_pal_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_serial_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/MK66F18/hal_spi_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_i2c_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_ext_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_adc_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_gpt_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_sdc_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/MK66F18/hal_pwm_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_st_lld.c \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/hal_usb_lld.c
+PLATFORMSRC_CONTRIB := ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
+ ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/MK66F18/hal_lld.c \
+ ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/PITv1/hal_st_lld.c
+
+PLATFORMINC_CONTRIB := ${CHIBIOS}/os/hal/ports/common/ARMCMx \
+ ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD \
+ ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/MK66F18
+
+ifeq ($(USE_SMART_BUILD),yes)
-# Required include directories
-PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/MK66F18 \
- ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD
+# Configuration files directory
+ifeq ($(CONFDIR),)
+ CONFDIR = .
+endif
+
+HALCONF := $(strip $(shell cat $(CONFDIR)/halconf.h $(CONFDIR)/halconf_community.h | egrep -e "\#define"))
+
+endif
+
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/GPIOv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/UARTv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/SPIv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/I2Cv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/PORTv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/ADCv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/PITv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/SDHCv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/FTMv1/driver.mk
+include ${CHIBIOS_CONTRIB}/os/hal/ports/KINETIS/LLD/USBHSv1/driver.mk
+
+# Shared variables
+ALLCSRC += $(PLATFORMSRC_CONTRIB)
+ALLINC += $(PLATFORMINC_CONTRIB)
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