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diff --git a/os/hal/ports/KINETIS/LLD/FTMv1/hal_pwm_lld.c b/os/hal/ports/KINETIS/LLD/FTMv1/hal_pwm_lld.c
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index 0000000..8c1be78
--- /dev/null
+++ b/os/hal/ports/KINETIS/LLD/FTMv1/hal_pwm_lld.c
@@ -0,0 +1,390 @@
+/*
+ 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 K20x/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 */
+
+/** @} */
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