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authorflabbergast <s3+flabbergast@sdfeu.org>2016-04-04 09:19:44 +0100
committerflabbergast <s3+flabbergast@sdfeu.org>2016-04-04 09:19:44 +0100
commit51703da9dfc26179be2ae096a21e84d3ed725aa6 (patch)
treedbb910d14af8a9eb65857ac4a6d2d0ef0aac0c29 /os/hal/ports/KINETIS/KL2x/pwm_lld.c
parent6852dce930c7503082bd0849e6c7a0cf432a364f (diff)
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[KINETIS] Rename HAL LLD files.
Diffstat (limited to 'os/hal/ports/KINETIS/KL2x/pwm_lld.c')
-rw-r--r--os/hal/ports/KINETIS/KL2x/pwm_lld.c388
1 files changed, 0 insertions, 388 deletions
diff --git a/os/hal/ports/KINETIS/KL2x/pwm_lld.c b/os/hal/ports/KINETIS/KL2x/pwm_lld.c
deleted file mode 100644
index 2f56216..0000000
--- a/os/hal/ports/KINETIS/KL2x/pwm_lld.c
+++ /dev/null
@@ -1,388 +0,0 @@
-/*
- ChibiOS - 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 KL2x/pwm_lld.c
- * @brief KINETIS PWM subsystem low level driver source.
- *
- * @addtogroup PWM
- * @{
- */
-
-#include "hal.h"
-
-#if HAL_USE_PWM || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief PWMD1 driver identifier.
- * @note The driver PWMD1 allocates the timer TPM0 when enabled.
- */
-#if KINETIS_PWM_USE_TPM0 || defined(__DOXYGEN__)
-PWMDriver PWMD1;
-#endif
-
-/**
- * @brief PWMD2 driver identifier.
- * @note The driver PWMD2 allocates the timer TPM1 when enabled.
- */
-#if KINETIS_PWM_USE_TPM1 || defined(__DOXYGEN__)
-PWMDriver PWMD2;
-#endif
-
-/**
- * @brief PWMD3 driver identifier.
- * @note The driver PWMD3 allocates the timer TPM2 when enabled.
- */
-#if KINETIS_PWM_USE_TPM2 || 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->tpm->STATUS;
- pwmp->tpm->STATUS = 0xFFFFFFFF;
-
- if (((sr & TPMx_STATUS_TOF) != 0) &&
- (pwmp->config->callback != NULL))
- pwmp->config->callback(pwmp);
- if (((sr & TPMx_STATUS_CH0F) != 0) &&
- (pwmp->config->channels[0].callback != NULL))
- pwmp->config->channels[0].callback(pwmp);
- if (((sr & TPMx_STATUS_CH1F) != 0) &&
- (pwmp->config->channels[1].callback != NULL))
- pwmp->config->channels[1].callback(pwmp);
- if (((sr & TPMx_STATUS_CH2F) != 0) &&
- (pwmp->config->channels[2].callback != NULL))
- pwmp->config->channels[2].callback(pwmp);
- if (((sr & TPMx_STATUS_CH3F) != 0) &&
- (pwmp->config->channels[3].callback != NULL))
- pwmp->config->channels[3].callback(pwmp);
- if (((sr & TPMx_STATUS_CH4F) != 0) &&
- (pwmp->config->channels[4].callback != NULL))
- pwmp->config->channels[4].callback(pwmp);
- if (((sr & TPMx_STATUS_CH5F) != 0) &&
- (pwmp->config->channels[5].callback != NULL))
- pwmp->config->channels[5].callback(pwmp);
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if KINETIS_PWM_USE_TPM0
-/**
- * @brief TPM0 interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(KINETIS_TPM0_IRQ_VECTOR) {
-
- OSAL_IRQ_PROLOGUE();
- pwm_lld_serve_interrupt(&PWMD1);
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* KINETIS_PWM_USE_TPM0 */
-
-#if KINETIS_PWM_USE_TPM1
-/**
- * @brief TPM1 interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(KINETIS_TPM1_IRQ_VECTOR) {
-
- OSAL_IRQ_PROLOGUE();
- pwm_lld_serve_interrupt(&PWMD2);
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* KINETIS_PWM_USE_TPM1 */
-
-#if KINETIS_PWM_USE_TPM2
-/**
- * @brief TPM2 interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(KINETIS_TPM2_IRQ_VECTOR) {
-
- OSAL_IRQ_PROLOGUE();
- pwm_lld_serve_interrupt(&PWMD3);
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* KINETIS_PWM_USE_TPM2 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level PWM driver initialization.
- *
- * @notapi
- */
-void pwm_lld_init(void) {
-
-#if KINETIS_PWM_USE_TPM0
- pwmObjectInit(&PWMD1);
- PWMD1.channels = KINETIS_TPM0_CHANNELS;
- PWMD1.tpm = TPM0;
-#endif
-
-#if KINETIS_PWM_USE_TPM1
- pwmObjectInit(&PWMD2);
- PWMD2.channels = KINETIS_TPM1_CHANNELS;
- PWMD2.tpm = TPM1;
-#endif
-
-#if KINETIS_PWM_USE_TPM2
- pwmObjectInit(&PWMD3);
- PWMD3.channels = KINETIS_TPM2_CHANNELS;
- PWMD3.tpm = TPM2;
-#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) {
- uint32_t psc;
- int i;
-
- if (pwmp->state == PWM_STOP) {
- /* Clock activation and timer reset.*/
-#if KINETIS_PWM_USE_TPM0
- if (&PWMD1 == pwmp) {
- SIM->SCGC6 |= SIM_SCGC6_TPM0;
- nvicEnableVector(TPM0_IRQn, KINETIS_PWM_TPM0_IRQ_PRIORITY);
- }
-#endif
-
-#if KINETIS_PWM_USE_TPM1
- if (&PWMD2 == pwmp) {
- SIM->SCGC6 |= SIM_SCGC6_TPM1;
- nvicEnableVector(TPM1_IRQn, KINETIS_PWM_TPM1_IRQ_PRIORITY);
- }
-#endif
-
-#if KINETIS_PWM_USE_TPM2
- if (&PWMD3 == pwmp) {
- SIM->SCGC6 |= SIM_SCGC6_TPM2;
- nvicEnableVector(TPM2_IRQn, KINETIS_PWM_TPM2_IRQ_PRIORITY);
- }
-#endif
- }
-
- /* Disable LPTPM counter.*/
- pwmp->tpm->SC = 0;
- /* Clear count register.*/
- pwmp->tpm->CNT = 0;
-
- /* 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 == (1UL << i)) {
- break;
- }
- }
- /* Set prescaler and clock mode.
- This also sets the following:
- CPWM up-counting mode
- Timer overflow interrupt disabled
- DMA disabled.*/
- pwmp->tpm->SC = TPMx_SC_CMOD_LPTPM_CLK | i;
- /* Configure period.*/
- pwmp->tpm->MOD = pwmp->period - 1;
-}
-
-/**
- * @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_TPM0
- if (&PWMD1 == pwmp) {
- SIM->SCGC6 &= ~SIM_SCGC6_TPM0;
- nvicDisableVector(TPM0_IRQn);
- }
-#endif
-
-#if KINETIS_PWM_USE_TPM1
- if (&PWMD2 == pwmp) {
- SIM->SCGC6 &= ~SIM_SCGC6_TPM1;
- nvicDisableVector(TPM1_IRQn);
- }
-#endif
-
-#if KINETIS_PWM_USE_TPM2
- if (&PWMD3 == pwmp) {
- SIM->SCGC6 &= ~SIM_SCGC6_TPM2;
- nvicDisableVector(TPM2_IRQn);
- }
-#endif
- /* Disable LPTPM counter.*/
- pwmp->tpm->SC = 0;
- pwmp->tpm->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 = TPMx_CnSC_MSB; /* Edge-aligned PWM mode.*/
-
- switch (pwmp->config->channels[channel].mode & PWM_OUTPUT_MASK) {
- case PWM_OUTPUT_ACTIVE_HIGH:
- mode |= TPMx_CnSC_ELSB;
- break;
- case PWM_OUTPUT_ACTIVE_LOW:
- mode |= TPMx_CnSC_ELSA;
- break;
- }
-
- if (pwmp->tpm->C[channel].SC & TPMx_CnSC_CHIE)
- mode |= TPMx_CnSC_CHIE;
-
- pwmp->tpm->C[channel].SC = mode;
- pwmp->tpm->C[channel].V = width;
-}
-
-/**
- * @brief Disables a PWM channel and its notification.
- * @pre The PWM unit must have been activated using @p pwmStart().
- * @post The channel is disabled and its output line returned to the
- * idle state.
- * @note The function has effect at the next cycle start.
- *
- * @param[in] pwmp pointer to a @p PWMDriver object
- * @param[in] channel PWM channel identifier (0...channels-1)
- *
- * @notapi
- */
-void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) {
-
- pwmp->tpm->C[channel].SC = 0;
- pwmp->tpm->C[channel].V = 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->tpm->SC |= TPMx_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->tpm->SC &= ~TPMx_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->tpm->C[channel].SC |= TPMx_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->tpm->C[channel].SC &= ~TPMx_CnSC_CHIE;
-}
-
-#endif /* HAL_USE_PWM */
-
-/** @} */