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annotate Small_CPU/Inc/uart_Internal.h @ 1079:9e1fdb383d86 Icon_Integration

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Changed reaction for uart DMA buffer overruns: In the previous version a DMA was not restarted in case the read pointer is in the chunk which should be filled next. In normal operation this should never happen, in special cases, like debugging, it may occure. In case of an overrun the data may be already outdated and can be discarded. Because of this the new handling of a buffer overflow is to set the read pointer to the start of the chunk => the read function will start with the latest received data. Not yet processed data will be discarded.
author Ideenmodellierer
date Sun, 08 Mar 2026 21:04:36 +0100
parents effadaa3a1f7
children
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1 /**
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2 ******************************************************************************
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3 * @file uartInternal.h
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 03-November-2024
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7 * @brief button control
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8 *
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9 ******************************************************************************
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10 * @attention
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11 *
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12 * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
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13 *
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14 ******************************************************************************
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15 */
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16
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17 /* Define to prevent recursive inclusion -------------------------------------*/
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18 #ifndef UARTINTERNAL_H
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19 #define UARTINTERNAL_H
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20
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21 #ifdef __cplusplus
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22 extern "C" {
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23 #endif
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24
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25 #include "stm32f4xx_hal.h"
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26
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27 UART_HandleTypeDef huart6;
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28
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29 void MX_USART6_UART_Init(void);
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30 void MX_USART6_DMA_Init(void);
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31 void MX_USART6_UART_DeInit(void);
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32 void GNSS_IO_init(void);
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33
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34 void UART6_HandleUART();
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35
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36 #ifdef __cplusplus
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37 }
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38 #endif
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39
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40 #endif /* UARTINTERNAL_H */
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41
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42 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/