Implement circular buffer UART RX using interrupts.

1 files changed, 169 insertions, 0 deletions

diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c
new file mode 100644
index 0000000..a174d73
--- /dev/null
+++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/stm32f4xx_it.c
@@ -0,0 +1,169 @@
+/**
+******************************************************************************
+* @file    GPIO/GPIO_IOToggle/Src/stm32f4xx_it.c
+* @author  MCD Application Team
+* @version V1.0.1
+* @date    26-February-2014
+* @brief   Main Interrupt Service Routines.
+*          This file provides template for all exceptions handler and
+*          peripherals interrupt service routine.
+******************************************************************************
+* @attention
+*
+* <h2><center>&copy; 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.
+*
+******************************************************************************
+*/
+
+#include "stm-init.h"
+#include "stm-uart.h"
+
+/******************************************************************************/
+/*            Cortex-M4 Processor Exceptions Handlers                         */
+/******************************************************************************/
+
+/**
+ * @brief   This function handles NMI exception.
+ * @param  None
+ * @retval None
+ */
+void NMI_Handler(void)
+{
+}
+
+/**
+ * @brief  This function handles Hard Fault exception.
+ * @param  None
+ * @retval None
+ */
+void HardFault_Handler(void)
+{
+    /* Go to infinite loop when Hard Fault exception occurs */
+    while (1) { ; }
+}
+
+/**
+ * @brief  This function handles Memory Manage exception.
+ * @param  None
+ * @retval None
+ */
+void MemManage_Handler(void)
+{
+    /* Go to infinite loop when Memory Manage exception occurs */
+    while (1) { ; }
+}
+
+/**
+ * @brief  This function handles Bus Fault exception.
+ * @param  None
+ * @retval None
+ */
+void BusFault_Handler(void)
+{
+    /* Go to infinite loop when Bus Fault exception occurs */
+    while (1) { ; }
+}
+
+/**
+ * @brief  This function handles Usage Fault exception.
+ * @param  None
+ * @retval None
+ */
+void UsageFault_Handler(void)
+{
+    /* Go to infinite loop when Usage Fault exception occurs */
+    while (1) { ; }
+}
+
+
+#if 0  /* already defined in libraries/mbed/rtos/ */
+/**
+ * @brief  This function handles SVCall exception.
+ * @param  None
+ * @retval None
+ */
+void SVC_Handler(void)
+{
+}
+
+/**
+ * @brief  This function handles Debug Monitor exception.
+ * @param  None
+ * @retval None
+ */
+void DebugMon_Handler(void)
+{
+}
+
+/**
+ * @brief  This function handles PendSVC exception.
+ * @param  None
+ * @retval None
+ */
+void PendSV_Handler(void)
+{
+}
+
+/**
+ * @brief  This function handles SysTick Handler.
+ * @param  None
+ * @retval None
+ */
+void SysTick_Handler(void)
+{
+    HAL_IncTick();
+}
+#endif
+
+/******************************************************************************/
+/*                 STM32F4xx Peripherals Interrupt Handlers                   */
+/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
+/*  available peripheral interrupt handler's name please refer to the startup */
+/*  file (startup_stm32f4xx.s).                                               */
+/******************************************************************************/
+
+/**
+ * @brief  This function handles UART interrupt request.
+ * @param  None
+ * @retval None
+ * @Note   HAL_UART_IRQHandler will call HAL_UART_TxCpltCallback in main.c.
+ */
+void USART1_IRQHandler(void)
+{
+    HAL_UART_IRQHandler(&huart_mgmt);
+}
+
+/**
+ * @brief  This function handles UART interrupt request.
+ * @param  None
+ * @retval None
+ * @Note   HAL_UART_IRQHandler will call HAL_UART_TxCpltCallback in main.c.
+ */
+void USART2_IRQHandler(void)
+{
+    HAL_UART_IRQHandler(&huart_user);
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/