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Dependents: mbed_blinky-bmd-200 bmd-200_accel_demo firstRig
Fork of mbed-src by
Revision 587:967d0d8b7aed, committed 2015-07-06
- Comitter:
- mbed_official
- Date:
- Mon Jul 06 09:15:09 2015 +0100
- Parent:
- 586:a89625bcd809
- Child:
- 588:7c5a5136e412
- Commit message:
- Synchronized with git revision 0a7df4e114501712e80882fb66c8a1e1ffca2dcb
Full URL: https://github.com/mbedmicro/mbed/commit/0a7df4e114501712e80882fb66c8a1e1ffca2dcb/
Changed in this revision
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/TOOLCHAIN_GCC_ARM/startup_stm32f030x8.S Mon Jul 06 09:00:34 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/TOOLCHAIN_GCC_ARM/startup_stm32f030x8.S Mon Jul 06 09:15:09 2015 +0100
@@ -102,7 +102,8 @@
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
- bl main
+// bl main
+ bl _start
LoopForever:
b LoopForever
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/hal_tick.c Mon Jul 06 09:15:09 2015 +0100
@@ -0,0 +1,159 @@
+/**
+ ******************************************************************************
+ * @file hal_tick.c
+ * @author MCD Application Team
+ * @brief Initialization of HAL tick
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * 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 of STMicroelectronics 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 HOLDER 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.
+ *
+ ******************************************************************************
+ */
+#include "hal_tick.h"
+
+TIM_HandleTypeDef TimMasterHandle;
+uint32_t PreviousVal = 0;
+
+void us_ticker_irq_handler(void);
+void set_compare(uint16_t count);
+
+extern volatile uint32_t SlaveCounter;
+extern volatile uint32_t oc_int_part;
+extern volatile uint16_t oc_rem_part;
+
+// Used to increment the slave counter
+void timer_update_irq_handler(void)
+{
+ TimMasterHandle.Instance = TIM_MST;
+
+ // Clear Update interrupt flag
+ if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
+ __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE);
+ SlaveCounter++;
+ }
+}
+
+// Used for mbed timeout (channel 1) and HAL tick (channel 2)
+void timer_oc_irq_handler(void)
+{
+ uint16_t cval = TIM_MST->CNT;
+ TimMasterHandle.Instance = TIM_MST;
+
+ // Channel 1 for mbed timeout
+ if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
+ __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
+ if (oc_rem_part > 0) {
+ set_compare(oc_rem_part); // Finish the remaining time left
+ oc_rem_part = 0;
+ } else {
+ if (oc_int_part > 0) {
+ set_compare(0xFFFF);
+ oc_rem_part = cval; // To finish the counter loop the next time
+ oc_int_part--;
+ } else {
+ us_ticker_irq_handler();
+ }
+ }
+ }
+
+ // Channel 2 for HAL tick
+ if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
+ __HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC2);
+ uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
+ if ((val - PreviousVal) >= HAL_TICK_DELAY) {
+ // Increment HAL variable
+ HAL_IncTick();
+ // Prepare next interrupt
+ __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
+ PreviousVal = val;
+ }
+ }
+}
+
+// Reconfigure the HAL tick using a standard timer instead of systick.
+HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
+
+ static uint32_t ticker_inited=0;
+ if(ticker_inited)return HAL_OK;
+ ticker_inited=1;
+
+ // Enable timer clock
+ TIM_MST_RCC;
+
+ // Reset timer
+ TIM_MST_RESET_ON;
+ TIM_MST_RESET_OFF;
+
+ // Update the SystemCoreClock variable
+ SystemCoreClockUpdate();
+
+ // Configure time base
+ TimMasterHandle.Instance = TIM_MST;
+ TimMasterHandle.Init.Period = 0xFFFF;
+ TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
+ TimMasterHandle.Init.ClockDivision = 0;
+ TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
+ HAL_TIM_Base_Init(&TimMasterHandle);
+
+ // Configure output compare channel 1 for mbed timeout (enabled later when used)
+ HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
+
+ // Configure output compare channel 2 for HAL tick
+ HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
+ PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
+ __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
+
+ // Configure interrupts
+ // Update interrupt used for 32-bit counter
+ // Output compare channel 1 interrupt for mbed timeout
+ // Output compare channel 2 interrupt for HAL tick
+ NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)timer_update_irq_handler);
+ NVIC_EnableIRQ(TIM_MST_UP_IRQ);
+ NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)timer_oc_irq_handler);
+ NVIC_EnableIRQ(TIM_MST_OC_IRQ);
+
+ // Enable interrupts
+ __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
+ __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
+
+ // Enable timer
+ HAL_TIM_Base_Start(&TimMasterHandle);
+
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/hal_tick.h Mon Jul 06 09:15:09 2015 +0100
@@ -0,0 +1,62 @@
+/**
+ ******************************************************************************
+ * @file hal_tick.h
+ * @author MCD Application Team
+ * @brief Initialization of HAL tick
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ *
+ * 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 of STMicroelectronics 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 HOLDER 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.
+ *
+ ******************************************************************************
+ */
+#ifndef __HAL_TICK_H
+#define __HAL_TICK_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include "stm32f0xx.h"
+#include "cmsis_nvic.h"
+
+#define TIM_MST TIM1
+#define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn
+#define TIM_MST_OC_IRQ TIM1_CC_IRQn
+#define TIM_MST_RCC __TIM1_CLK_ENABLE()
+
+#define TIM_MST_RESET_ON __TIM1_FORCE_RESET()
+#define TIM_MST_RESET_OFF __TIM1_RELEASE_RESET()
+
+#define HAL_TICK_DELAY (1000) // 1 ms
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __HAL_TICK_H
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/system_stm32f0xx.c Mon Jul 06 09:00:34 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/system_stm32f0xx.c Mon Jul 06 09:15:09 2015 +0100
@@ -434,12 +434,6 @@
return 1; // OK
}
-/* Used for the different timeouts in the HAL */
-void SysTick_Handler(void)
-{
- HAL_IncTick();
-}
-
/**
* @}
*/
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/TOOLCHAIN_GCC_ARM/startup_stm32f070xb.S Mon Jul 06 09:00:34 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/TOOLCHAIN_GCC_ARM/startup_stm32f070xb.S Mon Jul 06 09:15:09 2015 +0100
@@ -102,7 +102,8 @@
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
- bl main
+// bl main
+ bl _start
LoopForever:
b LoopForever
--- a/targets/hal/TARGET_STM/TARGET_STM32F0/us_ticker.c Mon Jul 06 09:00:34 2015 +0100
+++ b/targets/hal/TARGET_STM/TARGET_STM32F0/us_ticker.c Mon Jul 06 09:15:09 2015 +0100
@@ -29,7 +29,8 @@
#include "us_ticker_api.h"
#include "PeripheralNames.h"
-#if defined(TARGET_STM32F070RB)
+
+#if defined(TARGET_STM32F030R8) || defined(TARGET_STM32F070RB)
// Timer selection
#define TIM_MST TIM1
@@ -114,7 +115,7 @@
}
}
-#elif defined(TARGET_STM32F030R8) || defined (TARGET_STM32F051R8)
+#elif defined (TARGET_STM32F051R8)
// Timer selection:
#define TIM_MST TIM1
