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Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_lsi.c')
-rw-r--r--nuttx/arch/arm/src/stm32/stm32_lsi.c100
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diff --git a/nuttx/arch/arm/src/stm32/stm32_lsi.c b/nuttx/arch/arm/src/stm32/stm32_lsi.c
deleted file mode 100644
index e365fbf06..000000000
--- a/nuttx/arch/arm/src/stm32/stm32_lsi.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/****************************************************************************
- * arch/arm/src/stm32/stm32_lsi.c
- *
- * Copyright (C) 2012 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.orgr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-
-#include "up_arch.h"
-
-#include "stm32_rcc.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: stm32_rcc_enablelsi
- *
- * Description:
- * Enable the Internal Low-Speed (LSI) RC Oscillator.
- *
- ****************************************************************************/
-
-void stm32_rcc_enablelsi(void)
-{
- /* Enable the Internal Low-Speed (LSI) RC Oscillator by setting the LSION bit
- * the RCC CSR register.
- */
-
- modifyreg32(STM32_RCC_CSR, 0, RCC_CSR_LSION);
-
- /* Wait for the internal RC 40 kHz oscillator to be stable. */
-
- while ((getreg32(STM32_RCC_CSR) & RCC_CSR_LSIRDY) == 0);
-}
-
-/****************************************************************************
- * Name: stm32_rcc_disablelsi
- *
- * Description:
- * Disable the Internal Low-Speed (LSI) RC Oscillator.
- *
- ****************************************************************************/
-
-void stm32_rcc_disablelsi(void)
-{
- /* Enable the Internal Low-Speed (LSI) RC Oscillator by setting the LSION bit
- * the RCC CSR register.
- */
-
- modifyreg32(STM32_RCC_CSR, RCC_CSR_LSION, 0);
-
- /* LSIRDY should go low after 3 LSI clock cycles */
-}