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annotate Small_CPU/Inc/uart.h @ 787:aeb72882f30a

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Dev Bugfx Empty buffer indication and stability improvments: The mux prototype used ASCII coding for channel selection while the current realization used real number (0...4) for addressing the mux. The UART read function uses the '0' to indicate an empty buffer element. The mux now loops back '0' used by channel selection causing the read function to process the data. As result data interrups are visible at the display. To avoid this another character has been defined indicate empty buffer locations. Beside this the functionality has been improved with regard to access speed and better recovery in case of transition failure.
author Ideenmodellierer
date Sun, 04 Jun 2023 21:59:26 +0200
parents 0b5f45448eb6
children bb37d4f3e50e
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1 /**
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2 ******************************************************************************
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3 * @file uart.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 27-March-2014
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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 UART_H
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19 #define UART_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
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28 typedef enum
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29 {
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30 RX_Ready= 0, /* Initial state */
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31 RX_DetectStart, /* validate start byte */
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32 RX_SelectData, /* Data contained in this frame */
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33 RX_Data0, /* Process incoming data */
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34 RX_Data1,
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35 RX_Data2,
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36 RX_Data3,
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37 RX_Data4,
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38 RX_Data5,
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39 RX_Data6,
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40 RX_Data7,
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41 RX_Data8,
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42 RX_Data9,
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43 RX_Data10,
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44 RX_Data11,
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45 RX_Data12,
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46 RX_DataComplete
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47 } receiveState_t;
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48
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49 typedef enum
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50 {
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51 UART_O2_INIT = 0,
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52 UART_O2_CHECK, /* send blink command and check if sensor answers */
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53 UART_O2_REQ_INFO, /* request information about available internal sensors of sensor */
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54 UART_O2_REQ_ID, /* request ID of sensor */
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55 UART_O2_IDLE, /* sensor detected and no communication pending */
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56 UART_O2_REQ_O2, /* O2 value has been requested and is in receiption progress */
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57 UART_O2_REQ_RAW, /* Request O2 and extended raw data */
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58 UART_O2_ERROR /* Error state which could not be resolved => only exit via de-/activation cycle */
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59 } uartO2Status_t;
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60
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61
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62 typedef enum
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63 {
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64 O2RX_IDLE = 0, /* no reception pending */
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65 O2RX_CONFIRM, /* check the command echo */
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66 O2RX_GETNR, /* extract the sensor number */
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67 O2RX_GETO2, /* extract the ppo2 */
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68 O2RX_GETTEMP, /* extract the temperature */
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69 O2RX_GETSTATUS, /* extract the sensor status */
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70 O2RX_GETTYPE, /* extract the sensor type (should be 8) */
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71 O2RX_GETCHANNEL, /* extract the number of sensor channels (should be 1) */
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72 O2RX_GETVERSION, /* extract the sensor version */
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73 O2RX_GETSUBSENSORS, /* extract the available measures (O2, temperature, humidity etc) */
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74 O2RX_GETDPHI, /* extract phase shift */
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75 O2RX_INTENSITY, /* extract intensity of signal */
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76 O2RX_AMBIENTLIGHT, /* extract the intensity of the ambient light */
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77 O2RX_PRESSURE, /* extract pressor within the sensor housing */
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78 O2RX_HUMIDITY /* extract humidity within the sensor housing */
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79 } uartO2RxState_t;
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82
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83 void MX_USART1_UART_Init(void);
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84 void MX_USART1_UART_DeInit(void);
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85 void MX_USART1_DMA_Init(void);
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86 uint8_t UART_ButtonAdjust(uint8_t *array);
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87 void UART_StartDMA_Receiption(void);
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88 #ifdef ENABLE_CO2_SUPPORT
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89 void UART_HandleCO2Data(void);
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90 #endif
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91 #ifdef ENABLE_SENTINEL_MODE
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92 void UART_HandleSentinelData(void);
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93 #endif
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94 void UART_HandleDigitalO2(void);
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95 void UART_MapDigO2_Channel(uint8_t channel, uint8_t muxAddress);
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96 void UART_SetDigO2_Channel(uint8_t channel);
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97 uint8_t UART_isDigO2Connected();
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98 uint8_t UART_isCO2Connected();
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99 uint8_t UART_isSentinelConnected();
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100 void UART_setTargetChannel(uint8_t channel);
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101
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102
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103
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104 #ifdef __cplusplus
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105 }
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106 #endif
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107
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108 #endif /* UART_H */
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109
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110 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/