diff options
Diffstat (limited to 'os/hal/platforms/STM8L/hal_lld.c')
| -rw-r--r-- | os/hal/platforms/STM8L/hal_lld.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/os/hal/platforms/STM8L/hal_lld.c b/os/hal/platforms/STM8L/hal_lld.c deleted file mode 100644 index 06e6ad981..000000000 --- a/os/hal/platforms/STM8L/hal_lld.c +++ /dev/null @@ -1,123 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 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 STM8L/hal_lld.c
- * @brief STM8L HAL subsystem low level driver source.
- *
- * @addtogroup HAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level HAL driver initialization.
- * @details Clock sources initialization, HSI is assumed to be already
- * started after reset.
- * @note If the @p STM8L_CLOCK_INIT option is set to @p FALSE then the
- * initialization is not performed and is left to the application.
- *
- * @notapi
- */
-void hal_lld_init(void) {
-
-#if !STM8L_NO_CLOCK_INIT
- /* Makes sure that HSI is stable before proceeding.*/
- CLK->ICKCR |= CLK_ICKCR_HSION;
- while ((CLK->ICKCR & CLK_ICKCR_HSIRDY) == 0)
- ;
-
- /* LSI startup and stabilization if required.*/
-#if STM8L_LSI_ENABLED
- CLK->ICKCR |= CLK_ICKCR_LSION;
- while ((CLK->ICKCR & CLK_ICKCR_LSIRDY) == 0)
- ;
-#endif
-
- /* HSE startup and stabilization if required.*/
-#if STM8L_HSE_ENABLED
-#if HSEBYPASS
- CLK->ECKCR |= CLK_ECKCR_HSEON | CLK_ECKCR_HSEBYP;
-#else
- CLK->ECKCR |= CLK_ECKCR_HSEON;
-#endif
- while ((CLK->ECKCR & CLK_ECKCR_HSERDY) == 0)
- ;
-#endif
-
- /* LSE startup and stabilization if required.*/
-#if STM8L_LSE_ENABLED
-#if LSEBYPASS
- CLK->ECKCR |= CLK_ECKCR_LSEON | CLK_ECKCR_LSEBYP;
-#else
- CLK->ECKCR |= CLK_ECKCR_LSEON;
-#endif
- while ((CLK->ECKCR & CLK_ECKCR_LSERDY) == 0)
- ;
-#endif
-
- /* Setting up clock dividers.*/
- CLK->CKDIVR = STM8L_SYSCLK_DIVIDER << 0;
-
- /* SYSCLK switch to the selected source, not necessary if it is HSI.*/
-#if STM8L_SYSCLK_SOURCE != CLK_SYSSEL_HSI
- /* Switching clock (manual switch mode).*/
- CLK->SWR = STM8L_SYSCLK_SOURCE;
- while ((CLK->SWCR & CLK_SWCR_SWIF) == 0)
- ;
- CLK->SWCR = CLK_SWCR_SWEN;
-#endif
-
- /* Clocks initially all disabled, note the boot ROM clock is disabled
- because the boot loader is no more required and it draws precious uAs.*/
- CLK->PCKENR1 = 0;
- CLK->PCKENR2 = 0;
- CLK->PCKENR3 = 0;
-
- /* Other clock related initializations.*/
- CLK->CSSR = 0;
- CLK->CCOR = 0;
-
- /* HSI disabled if it is no more required.*/
-#if !STM8L_HSI_ENABLED
- CLK->ICKCR &= ~CLK_ICKCR_HSION;
-#endif
-#endif /* !STM8L_NO_CLOCK_INIT */
-}
-
-/** @} */
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