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annotate Small_CPU/Inc/uartProtocol_Co2.h @ 1078:082825daccb5 Icon_Integration tip

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Added control views for HUD: The HUD implementation may now be activated by the compile switch ENABLE_HUD_SUPPORT. The HUD will become visible onces detected in the CvOpt overview menu. The first implementation is for testing only => The LEDs may be operated by a number field. Positiv values activate the red, negativ the green LEDs. Depending on the value blink sequences will be scheduled. At the moment no dive specific data is mapped to the LED operation (like e.g. warnings).
author Ideenmodellierer
date Mon, 02 Mar 2026 17:30:38 +0100
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1 /**
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2 ******************************************************************************
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3 * @file uartProtocol_Co2.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 31-Jul-2023
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7 * @brief Interface functionality to handle external, UART based CO2 sensors
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use #####
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12 ==============================================================================
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13 @endverbatim
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14 ******************************************************************************
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15 * @attention
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16 *
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17 * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>
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18 *
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19 ******************************************************************************
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20 */
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21
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22 /* Define to prevent recursive inclusion -------------------------------------*/
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23 #ifndef UART_PROTOCOL_CO2_H
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24 #define UART_PROTOCOL_CO2_H
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25
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26 #ifdef __cplusplus
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27 extern "C" {
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28 #endif
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29
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30 /* Includes ------------------------------------------------------------------*/
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31 #include "configuration.h"
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32 #include "stm32f4xx_hal.h"
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33
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34 typedef enum
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35 {
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36 UART_CO2_INIT = 0, /* Default Status for every sensor type */
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37 UART_CO2_IDLE, /* sensor detected and no communication pending */
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38 UART_CO2_ERROR,
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39 UART_CO2_SETUP = 10, /* collecting data needed to be read out of the sensor once at startup */
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40 UART_CO2_MODE, /* set operation mode for sensor */
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41 UART_CO2_OPERATING, /* normal operation */
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42 UART_CO2_CALIBRATE_H, /* request calibration */
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43 UART_CO2_CALIBRATE_L,
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44 UART_CO2_CALIBRATE
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45 } uartCO2Status_t;
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46
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47 typedef enum
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48 {
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49 CO2RX_Ready= 0, /* Initial state */
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50 CO2RX_DetectStart, /* validate start byte */
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51 CO2RX_SelectData, /* Data contained in this frame */
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52 CO2RX_Data0, /* Process incoming data */
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53 CO2RX_Data1,
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54 CO2RX_Data2,
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55 CO2RX_Data3,
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56 CO2RX_Data4,
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57 CO2RX_Data5,
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58 CO2RX_Data6,
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59 CO2RX_Data7,
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60 CO2RX_Data8,
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61 CO2RX_Data9,
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62 CO2RX_Data10,
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63 CO2RX_Data11,
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64 CO2RX_Data12,
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65 CO2RX_DataComplete
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66 } receiveStateCO2_t;
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67
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68
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69 typedef enum
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70 {
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71 CO2CMD_MODE_POLL, /* Set operation mode of sensor to polling => only send data if requested */
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72 CO2CMD_MODE_STREAM, /* Set operation mode of sensor to streaming => send data every two seconds */
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73 CO2CMD_CALIBRATE_H, /* Calibrate sensor, send HIGH reference */
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74 CO2CMD_CALIBRATE_L, /* Send low reference */
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75 CO2CMD_CALIBRATE, /* Execute calibration */
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76 CO2CMD_GETSCALE, /* Get scaling factor */
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77 CO2CMD_GETDATA /* Read sensor data */
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78 } co2SensorCmd_t;
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79
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80
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81 void uartCo2_Control(void);
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82 void uartCo2_ProcessData(uint8_t data);
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83 void uartCo2_SendCmd(uint8_t CO2Cmd, uint8_t *cmdString, uint8_t *cmdLength);
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84 uint8_t uartCo2_isSensorConnected();
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85
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86 #endif /* UART_PROTOCOL_CO2_H */