Organized Tiva LLD folder.

1 files changed, 0 insertions, 253 deletions

diff --git a/os/hal/ports/TIVA/LLD/hal_st_lld.c b/os/hal/ports/TIVA/LLD/hal_st_lld.c
deleted file mode 100644
index 30fdb8a..0000000
--- a/os/hal/ports/TIVA/LLD/hal_st_lld.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
-    Copyright (C) 2014..2016 Marco Veeneman
-
-    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    Tiva/LLD/st_lld.c
- * @brief   ST Driver subsystem low level driver code.
- *
- * @addtogroup ST
- * @{
- */
-
-#include "hal.h"
-
-#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions.                                                 */
-/*===========================================================================*/
-
-#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
-
-#if (TIVA_ST_USE_WIDE_TIMER == TRUE)
-
-#if TIVA_ST_TIMER_NUMBER == 0
-#define ST_HANDLER                          TIVA_WGPT0A_HANDLER
-#define ST_NUMBER                           TIVA_WGPT0A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCWTIMER |= (1 << 0))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRWTIMER & (1 << 0)))
-
-#elif TIVA_ST_TIMER_NUMBER == 1
-#define ST_HANDLER                          TIVA_WGPT1A_HANDLER
-#define ST_NUMBER                           TIVA_WGPT1A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCWTIMER |= (1 << 1))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRWTIMER & (1 << 1)))
-
-#elif TIVA_ST_TIMER_NUMBER == 2
-#define ST_HANDLER                          TIVA_WGPT2A_HANDLER
-#define ST_NUMBER                           TIVA_WGPT2A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCWTIMER |= (1 << 2))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRWTIMER & (1 << 2)))
-
-#elif TIVA_ST_TIMER_NUMBER == 3
-#define ST_HANDLER                          TIVA_WGPT3A_HANDLER
-#define ST_NUMBER                           TIVA_WGPT3A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCWTIMER |= (1 << 3))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRWTIMER & (1 << 3)))
-
-#elif TIVA_ST_TIMER_NUMBER == 4
-#define ST_HANDLER                          TIVA_WGPT4A_HANDLER
-#define ST_NUMBER                           TIVA_WGPT4A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCWTIMER |= (1 << 4))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRWTIMER & (1 << 4)))
-
-#elif TIVA_ST_TIMER_NUMBER == 5
-#define ST_HANDLER                          TIVA_WGPT5A_HANDLER
-#define ST_NUMBER                           TIVA_WGPT5A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCWTIMER |= (1 << 5))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRWTIMER & (1 << 5)))
-
-#else
-#error "TIVA_ST_USE_TIMER specifies an unsupported timer"
-#endif
-
-#if (ST_CLOCK_SRC / OSAL_ST_FREQUENCY) - 1 > 0xFFFF
-#error "the selected ST frequency is not obtainable because TIM timer prescaler limits"
-#endif
-
-#elif (TIVA_ST_USE_WIDE_TIMER == FALSE)
-
-#if TIVA_ST_TIMER_NUMBER == 0
-#define ST_HANDLER                          TIVA_GPT0A_HANDLER
-#define ST_NUMBER                           TIVA_GPT0A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCTIMER |= (1 << 0))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRTIMER & (1 << 0)))
-
-#elif TIVA_ST_TIMER_NUMBER == 1
-#define ST_HANDLER                          TIVA_GPT1A_HANDLER
-#define ST_NUMBER                           TIVA_GPT1A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCTIMER |= (1 << 1))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRTIMER & (1 << 1)))
-
-#elif TIVA_ST_TIMER_NUMBER == 2
-#define ST_HANDLER                          TIVA_GPT2A_HANDLER
-#define ST_NUMBER                           TIVA_GPT2A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCTIMER |= (1 << 2))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRTIMER & (1 << 2)))
-
-#elif TIVA_ST_TIMER_NUMBER == 3
-#define ST_HANDLER                          TIVA_GPT3A_HANDLER
-#define ST_NUMBER                           TIVA_GPT3A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCTIMER |= (1 << 3))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRTIMER & (1 << 3)))
-
-#elif TIVA_ST_TIMER_NUMBER == 4
-#define ST_HANDLER                          TIVA_GPT4A_HANDLER
-#define ST_NUMBER                           TIVA_GPT4A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCTIMER |= (1 << 4))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRTIMER & (1 << 4)))
-
-#elif TIVA_ST_TIMER_NUMBER == 5
-#define ST_HANDLER                          TIVA_GPT5A_HANDLER
-#define ST_NUMBER                           TIVA_GPT5A_NUMBER
-#define ST_ENABLE_CLOCK()                   (SYSCTL->RCGCTIMER |= (1 << 5))
-#define ST_WAIT_CLOCK()                     while (!(SYSCTL->PRTIMER & (1 << 5)))
-
-#else
-#error "TIVA_ST_USE_TIMER specifies an unsupported timer"
-#endif
-
-#if (TIVA_SYSCLK / OSAL_ST_FREQUENCY) - 1 > 0xFF
-#error "the selected ST frequency is not obtainable because TIM timer prescaler limits"
-#endif
-
-#endif
-
-#if TIVA_SYSCLK % OSAL_ST_FREQUENCY != 0
-#error "the selected ST frequency is not obtainable because integer rounding"
-#endif
-
-#endif
-
-/*===========================================================================*/
-/* Driver exported variables.                                                */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local types.                                                       */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types.                                         */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions.                                                   */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers.                                                */
-/*===========================================================================*/
-
-#if (OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC) || defined(__DOXYGEN__)
-/**
- * @brief   System Timer vector.
- * @details This interrupt is used for system tick in periodic mode.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(SysTick_Handler)
-{
-  OSAL_IRQ_PROLOGUE();
-
-  osalSysLockFromISR();
-  osalOsTimerHandlerI();
-  osalSysUnlockFromISR();
-
-  OSAL_IRQ_EPILOGUE();
-}
-#endif /* OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC */
-
-#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) || defined(__DOXYGEN__)
-/**
- * @brief   GPT interrupt handler.
- * @details This interrupt is used for system tick in free running mode.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(ST_HANDLER)
-{
-  uint32_t mis;
-
-  OSAL_IRQ_PROLOGUE();
-
-  mis = TIVA_ST_TIM->MIS;
-  TIVA_ST_TIM->ICR = mis;
-
-  if (mis & GPTM_IMR_TAMIM) {
-    osalSysLockFromISR();
-    osalOsTimerHandlerI();
-    osalSysUnlockFromISR();
-  }
-
-  OSAL_IRQ_EPILOGUE();
-}
-#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
-
-/*===========================================================================*/
-/* Driver exported functions.                                                */
-/*===========================================================================*/
-
-/**
- * @brief   Low level ST driver initialization.
- *
- * @notapi
- */
-void st_lld_init(void)
-{
-#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING
-  /* Free running counter mode.*/
-
-  /* Enabling timer clock.*/
-  ST_ENABLE_CLOCK();
-
-  /* Wait until timer peripheral is ready */
-  ST_WAIT_CLOCK();
-
-  /* Initializing the counter in free running down mode.*/
-  TIVA_ST_TIM->CTL  = 0;
-  TIVA_ST_TIM->CFG  = GPTM_CFG_CFG_SPLIT;       /* Timer split mode */
-  TIVA_ST_TIM->TAMR = (GPTM_TAMR_TAMR_PERIODIC |/* Periodic mode */
-                       GPTM_TAMR_TAMIE |        /* Match interrupt enable */
-                       GPTM_TAMR_TASNAPS);      /* Snapshot mode */
-
-  TIVA_ST_TIM->TAPR = (TIVA_SYSCLK / OSAL_ST_FREQUENCY) - 1;
-  TIVA_ST_TIM->CTL  = (GPTM_CTL_TAEN |          /* Timer A enable */
-                       GPTM_CTL_TASTALL);       /* Timer A stall when paused */
-
-  /* IRQ enabled.*/
-  nvicEnableVector(ST_NUMBER, TIVA_ST_IRQ_PRIORITY);
-#endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */
-
-#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC
-  /* Periodic systick mode, the Cortex-Mx internal systick timer is used
-     in this mode.*/
-  SysTick->LOAD = (TIVA_SYSCLK / OSAL_ST_FREQUENCY) - 1;
-  SysTick->VAL = 0;
-  SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
-                  SysTick_CTRL_ENABLE_Msk |
-                  SysTick_CTRL_TICKINT_Msk;
-
-  /* IRQ enabled.*/
-  nvicSetSystemHandlerPriority(HANDLER_SYSTICK, TIVA_ST_IRQ_PRIORITY);
-#endif /* OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC */
-}
-
-#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */
-
-/**
- * @}
- */