Update the AVR Tiny Architecture.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10412 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 0 insertions, 335 deletions

diff --git a/os/hal/ports/AVR/TINY/TIMv1/hal_icu_lld.c b/os/hal/ports/AVR/TINY/TIMv1/hal_icu_lld.c
deleted file mode 100644
index 74ceffe64..000000000
--- a/os/hal/ports/AVR/TINY/TIMv1/hal_icu_lld.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/*

-    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio

-

-    Licensed under the Apache License, Version 2.0 (the "License");

-    you may not use this file except in compliance with the License.

-    You may obtain a copy of the License at

-

-        http://www.apache.org/licenses/LICENSE-2.0

-

-    Unless required by applicable law or agreed to in writing, software

-    distributed under the License is distributed on an "AS IS" BASIS,

-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-    See the License for the specific language governing permissions and

-    limitations under the License.

-*/

-

-/**

- * @file    hal_icu_lld.c

- * @brief   AVR ICU driver subsystem low level driver source.

- *

- * @addtogroup ICU

- * @{

- */

-

-#include "hal.h"

-

-#if HAL_USE_ICU || defined(__DOXYGEN__)

-

-/*===========================================================================*/

-/* Driver local definitions.                                                 */

-/*===========================================================================*/

-

-typedef struct {

-  volatile uint8_t  *tccra;

-  volatile uint8_t  *tccrb;

-  volatile uint16_t *tcnt;

-  volatile uint8_t  *timsk;

-} icu_registers_t;

-

-static icu_registers_t regs_table[]=

-{

-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)

-  {&TCCR1A, &TCCR1B, &TCNT1, &TIMSK1},

-#endif

-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)

-  {&TCCR3A, &TCCR3B, &TCNT3, &TIMSK3},

-#endif

-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)

-  {&TCCR4A, &TCCR4B, &TCNT4, &TIMSK4},

-#endif

-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)

-  {&TCCR5A, &TCCR5B, &TCNT5, &TIMSK5},

-#endif

-};

-

-/*===========================================================================*/

-/* Driver exported variables.                                                */

-/*===========================================================================*/

-

-/**

- * @brief   ICU1 driver identifier.

- */

-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)

-ICUDriver ICUD1;

-#endif

-/**

- * @brief   ICU3 driver identifier.

- */

-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)

-ICUDriver ICUD3;

-#endif

-/**

- * @brief   ICU4 driver identifier.

- */

-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)

-ICUDriver ICUD4;

-#endif

-/**

- * @brief   ICU5 driver identifier.

- */

-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)

-ICUDriver ICUD5;

-#endif

-

-/*===========================================================================*/

-/* Driver local variables and types.                                         */

-/*===========================================================================*/

-

-/*===========================================================================*/

-/* Driver local functions.                                                   */

-/*===========================================================================*/

-

-static inline void handle_capture_isr(ICUDriver *icup,

-                                      volatile uint16_t *icr,

-                                      volatile uint8_t  *tccrb,

-                                      volatile uint16_t *tcnt)

-{

-  uint16_t value = *icr;

-  uint8_t rising = (*tccrb & (1 << ICES1)) ? 1 : 0;

-  *tccrb ^= (1 << ICES1);

-  if ((icup->config->mode == ICU_INPUT_ACTIVE_HIGH && rising) ||

-      (icup->config->mode == ICU_INPUT_ACTIVE_LOW  && !rising)) {

-   icup->width = value;

-   if (icup->config->width_cb != NULL)

-     icup->config->width_cb(icup);

-  } else {

-   icup->period = value;

-   if (icup->config->period_cb != NULL)

-     icup->config->period_cb(icup);

-   /* Reset counter at the end of every cycle */

-   *tcnt = 0;

-  }

-}

-

-static uint8_t index(ICUDriver *icup)

-{

-  uint8_t index = 0;

-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)

-  if (icup == &ICUD1) return index;

-  else index++;

-#endif

-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)

-  if (icup == &ICUD3) return index;

-  else index++;

-#endif

-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)

-  if (icup == &ICUD4) return index;

-  else index++;

-#endif

-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)

-  if (icup == &ICUD5) return index;

-  else index++;

-#endif

-}

-

-/*===========================================================================*/

-/* Driver interrupt handlers.                                                */

-/*===========================================================================*/

-

-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)

-OSAL_IRQ_HANDLER(TIMER1_CAPT_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  handle_capture_isr(&ICUD1, &ICR1, &TCCR1B, &TCNT1);

-  OSAL_IRQ_EPILOGUE();

-}

-

-OSAL_IRQ_HANDLER(TIMER1_OVF_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  ICUD1.config->overflow_cb(&ICUD1);

-  OSAL_IRQ_EPILOGUE();

-}

-#endif

-

-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)

-OSAL_IRQ_HANDLER(TIMER3_CAPT_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  handle_capture_isr(&ICUD3, &ICR3, &TCCR3B, &TCNT3);

-  OSAL_IRQ_EPILOGUE();

-}

-

-OSAL_IRQ_HANDLER(TIMER3_OVF_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  ICUD3.config->overflow_cb(&ICUD3);

-  OSAL_IRQ_EPILOGUE();

-}

-#endif

-

-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)

-OSAL_IRQ_HANDLER(TIMER4_CAPT_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  handle_capture_isr(&ICUD4, &ICR4, &TCCR4B, &TCNT4);

-  OSAL_IRQ_EPILOGUE();

-}

-

-OSAL_IRQ_HANDLER(TIMER4_OVF_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  ICUD4.config->overflow_cb(&ICUD4);

-  OSAL_IRQ_EPILOGUE();

-}

-#endif

-

-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)

-OSAL_IRQ_HANDLER(TIMER5_CAPT_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  handle_capture_isr(&ICUD5, &ICR5, &TCCR5B, &TCNT5);

-  OSAL_IRQ_EPILOGUE();

-}

-

-OSAL_IRQ_HANDLER(TIMER5_OVF_vect)

-{

-  OSAL_IRQ_PROLOGUE();

-  ICUD5.config->overflow_cb(&ICUD5);

-  OSAL_IRQ_EPILOGUE();

-}

-#endif

-

-/*===========================================================================*/

-/* Driver exported functions.                                                */

-/*===========================================================================*/

-

-/**

- * @brief   Low level ICU driver initialization.

- *

- * @notapi

- */

-void icu_lld_init(void) {

-

-#if AVR_ICU_USE_TIM1

-  icuObjectInit(&ICUD1);

-#endif

-#if AVR_ICU_USE_TIM3

-  icuObjectInit(&ICUD3);

-#endif

-#if AVR_ICU_USE_TIM4

-  icuObjectInit(&ICUD4);

-#endif

-#if AVR_ICU_USE_TIM5

-  icuObjectInit(&ICUD5);

-#endif

-}

-

-/**

- * @brief   Configures and activates the ICU peripheral.

- *

- * @param[in] icup      pointer to the @p ICUDriver object

- *

- * @notapi

- */

-void icu_lld_start(ICUDriver *icup) {

-

-  if (icup->state == ICU_STOP) {

-    uint8_t i = index(icup);

-    /* Normal waveform generation (counts from 0 to 0xFFFF) */

-    *regs_table[i].tccra &= ~((1 << WGM11) | (1 << WGM10));

-    *regs_table[i].tccrb &= ~((1 << WGM13) | (1 << WGM12));

-    /* Enable noise canceler, set prescale to CLK/1024 */

-    *regs_table[i].tccrb |= (1 << ICNC1) | (1 << CS12) | (1 << CS10);

-    if (icup->config->mode == ICU_INPUT_ACTIVE_HIGH)

-      *regs_table[i].tccrb |= (1 << ICES1);

-    else

-      *regs_table[i].tccrb &= ~(1 << ICES1);

-  }

-}

-

-/**

- * @brief   Deactivates the ICU peripheral.

- *

- * @param[in] icup      pointer to the @p ICUDriver object

- *

- * @notapi

- */

-void icu_lld_stop(ICUDriver *icup) {

-

-  if (icup->state == ICU_READY) {

-    /* Resets the peripheral.*/

-

-    /* Disables the peripheral.*/

-#if AVR_ICU_USE_TIM1

-    if (&ICUD1 == icup) {

-

-    }

-#endif /* AVR_ICU_USE_TIM1 */

-  }

-}

-

-/**

- * @brief   Enables the input capture.

- *

- * @param[in] icup      pointer to the @p ICUDriver object

- *

- * @notapi

- */

-void icu_lld_enable(ICUDriver *icup) {

-

-  uint8_t i = index(icup);

-  icup->width = icup->period = 0;

-  *regs_table[i].tcnt = 0;

-  *regs_table[i].timsk |= (1 << ICIE1);

-  if (icup->config->overflow_cb != NULL)

-    *regs_table[i].timsk |= (1 << TOIE1);

-}

-

-/**

- * @brief   Disables the input capture.

- *

- * @param[in] icup      pointer to the @p ICUDriver object

- *

- * @notapi

- */

-void icu_lld_disable(ICUDriver *icup) {

-

-  uint8_t i = index(icup);

-  *regs_table[i].timsk &= ~((1 << ICIE1) | (1 << TOIE1));

-}

-

-/**

- * @brief   Returns the width of the latest pulse.

- * @details The pulse width is defined as number of ticks between the start

- *          edge and the stop edge.

- *

- * @param[in] icup      pointer to the @p ICUDriver object

- * @return              The number of ticks.

- *

- * @notapi

- */

-icucnt_t icu_lld_get_width(ICUDriver *icup) {

-

-  return icup->width;

-}

-

-/**

- * @brief   Returns the width of the latest cycle.

- * @details The cycle width is defined as number of ticks between a start

- *          edge and the next start edge.

- *

- * @param[in] icup      pointer to the @p ICUDriver object

- * @return              The number of ticks.

- *

- * @notapi

- */

-icucnt_t icu_lld_get_period(ICUDriver *icup) {

-

-  return icup->period;

-}

-

-#endif /* HAL_USE_ICU */

-

-/** @} */