Cleanup and refactoring of the STM32w port

This is a general cleanup of things like code style issues and code structure of the STM32w port to make it more like the rest of Contiki is structured.
2013-03-15 16:14:09 +01:00 · 2013-03-15 16:14:09 +01:00 · a5046e83c7
commit a5046e83c7
parent 12b3d02ba1
118 changed files with 4470 additions and 4281 deletions
--- a/cpu/stm32w108/dev/stm32w-systick.c
+++ b/cpu/stm32w108/dev/stm32w-systick.c
@ -0,0 +1,150 @@
+/**
+ * \addtogroup stm32w-cpu
+ *
+ * @{
+ */
+
+/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
+* File Name          : stm32w108_systick.c
+* Author             : MCD Application Team
+* Version            : V2.0.3
+* Date               : 09/22/2008
+* Description        : This file provides all the SysTick firmware functions.
+********************************************************************************
+* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
+* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
+* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
+* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+*******************************************************************************/
+
+#include <stdint.h>
+#include "stm32w-systick.h"
+
+/* SysTick registers bit mask */
+/* CTRL TICKINT Mask */
+#define CTRL_TICKINT_Set      ((uint32_t)0x00000002)
+#define CTRL_TICKINT_Reset    ((uint32_t)0xFFFFFFFD)
+/*--------------------------------------------------------------------------*/
+/**
+ * \brief      Configures the SysTick clock source.
+ * \param SysTick_CLKSource specifies the SysTick clock source.
+ *             This parameter can be one of the following values:
+ *                    SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8
+ *                    selected as SysTick clock source.
+ *                    SysTick_CLKSource_HCLK: AHB clock selected as
+ *                    SysTick clock source.
+ */
+void
+SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
+{
+  /* Check the parameters */
+  assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource));
+
+  if(SysTick_CLKSource == SysTick_CLKSource_HCLK) {
+    SysTick->CTRL |= SysTick_CLKSource_HCLK;
+  } else {
+    SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8;
+  }
+}
+/*--------------------------------------------------------------------------*/
+/**
+ * \brief      Sets SysTick Reload value.
+ * \param Reload SysTick Reload new value. Must be between 1 and 0xFFFFFF.
+ */
+void
+SysTick_SetReload(uint32_t Reload)
+{
+  /* Check the parameters */
+  assert_param(IS_SYSTICK_RELOAD(Reload));
+  SysTick->LOAD = Reload;
+}
+/*--------------------------------------------------------------------------*/
+/**
+ * \brief      Enables or disables the SysTick counter.
+ * \param SysTick_Counter new state of the SysTick counter.
+*                    This parameter can be one of the following values:
+*                       - SysTick_Counter_Disable: Disable counter
+*                       - SysTick_Counter_Enable: Enable counter
+*                       - SysTick_Counter_Clear: Clear counter value to 0
+ */
+void
+SysTick_CounterCmd(uint32_t SysTick_Counter)
+{
+  /* Check the parameters */
+  assert_param(IS_SYSTICK_COUNTER(SysTick_Counter));
+
+  if(SysTick_Counter == SysTick_Counter_Enable) {
+    SysTick->CTRL |= SysTick_Counter_Enable;
+  } else if(SysTick_Counter == SysTick_Counter_Disable) {
+    SysTick->CTRL &= SysTick_Counter_Disable;
+  } else {                      /* SysTick_Counter == SysTick_Counter_Clear */
+    SysTick->VAL = SysTick_Counter_Clear;
+  }
+}
+/*--------------------------------------------------------------------------*/
+/**
+ * \brief      Enables or disables the SysTick Interrupt.
+ * \param NewState new state of the SysTick Interrupt.
+*                    This parameter can be: ENABLE or DISABLE.
+ */
+void
+SysTick_ITConfig(FunctionalState NewState)
+{
+  /* Check the parameters */
+  assert_param(IS_FUNCTIONAL_STATE(NewState));
+
+  if(NewState != DISABLE) {
+    SysTick->CTRL |= CTRL_TICKINT_Set;
+  } else {
+    SysTick->CTRL &= CTRL_TICKINT_Reset;
+  }
+}
+/*--------------------------------------------------------------------------*/
+/**
+ * \brief      Gets SysTick counter value.
+ * \return     SysTick current value
+ */
+uint32_t
+SysTick_GetCounter(void)
+{
+  return (SysTick->VAL);
+}
+/*--------------------------------------------------------------------------*/
+/**
+ * \brief      Checks whether the specified SysTick flag is set or not.
+ * \param SysTick_FLAG specifies the flag to check.
+*                    This parameter can be one of the following values:
+*                       - SysTick_FLAG_COUNT
+*                       - SysTick_FLAG_SKEW
+*                       - SysTick_FLAG_NOREF
+ */
+FlagStatus
+SysTick_GetFlagStatus(uint8_t SysTick_FLAG)
+{
+  uint32_t statusreg = 0, tmp = 0;
+  FlagStatus bitstatus = RESET;
+
+  /* Check the parameters */
+  assert_param(IS_SYSTICK_FLAG(SysTick_FLAG));
+
+  /* Get the SysTick register index */
+  tmp = SysTick_FLAG >> 3;
+
+  if(tmp == 2) {                /* The flag to check is in CTRL register */
+    statusreg = SysTick->CTRL;
+  } else {                      /* The flag to check is in CALIB register */
+
+    statusreg = SysTick->CALIB;
+  }
+
+  if((statusreg & ((uint32_t) 1 << SysTick_FLAG)) != (uint32_t) RESET) {
+    bitstatus = SET;
+  } else {
+    bitstatus = RESET;
+  }
+  return bitstatus;
+}
+/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/
+/** @} */