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728 | holgerb | 1 | #include <stdio.h> |
2 | #include <string.h> |
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3 | #include "91x_lib.h" |
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4 | #include "CamCtrl.h" |
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5 | #include "i2c.h" |
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6 | #include "timer1.h" |
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7 | #include "led.h" |
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8 | #include "main.h" |
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9 | #include "uart1.h" |
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10 | #include "compass.h" |
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11 | #include "spi_slave.h" |
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12 | #include "triggerlog.h" |
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13 | |||
14 | FromCamCtrl_t FromCamCtrl; |
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15 | ToCamCtrl_t ToCamCtrl; |
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16 | u16 CamCtrlTimeout = 25000; |
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17 | |||
18 | void InitCamCtrl(void) |
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19 | { |
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20 | ToCamCtrl.CamCommand = 0; |
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21 | ToCamCtrl.ZoomInput = 128; // Middle -> no zoom |
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22 | ToCamCtrl.ControlInput = 0; |
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23 | } |
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24 | |||
25 | void CamCtrl_UpdateData(u8* pRxBuffer, u8 RxBufferSize) |
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26 | { // if crc is ok and number of byte are matching |
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27 | memcpy((u8 *)&FromCamCtrl, pRxBuffer, sizeof(FromCamCtrl)); |
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28 | //if(FromCamCtrl.CamStatus & CAM_STATE_PIC_CAPTURED) |
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29 | |||
30 | |||
31 | if(FromCamCtrl.CamStatus & CAM_STATE_REC_ACTIVE) CamCtrlCharacter = 'R'; |
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32 | else if(FromCamCtrl.CamStatus & CAM_STATE_PHOTO_MODE) CamCtrlCharacter = 'P'; |
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33 | else if(FromCamCtrl.CamStatus & CAM_STATE_OFF) CamCtrlCharacter = '!'; |
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34 | else if(FromCamCtrl.CamStatus & CAM_STATE_CAM_DISCONN) CamCtrlCharacter = '?'; |
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35 | else if(TrigLogging.CountExternal) CamCtrlCharacter = TrigLogging.CountExternal % 10 + '0'; |
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36 | else if(FromCamCtrl.PhotoCount) CamCtrlCharacter = FromCamCtrl.PhotoCount % 10 + '0'; |
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37 | else if(FromCamCtrl.CamStatus & CAM_STATE_RDY) CamCtrlCharacter = 'c'; |
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38 | else CamCtrlCharacter = ' '; |
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39 | |||
40 | // c = camera is ready |
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41 | // R = Record active |
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42 | // P = Cam in Photo mode (LANC Camcorders) |
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43 | // ! = Camera is off but connected |
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44 | // ? = disconnected |
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45 | // 0-9 = Photo releases |
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46 | |||
47 | if(FromCamCtrl.CamStatus & CAM_STATE_I2C_OK) CamCtrlTimeout = 3000; |
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48 | } |
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49 | |||
50 | void CamCtrl_GetData(u8 timeout) |
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51 | { |
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52 | static u8 timing = 20, p63 = 0; |
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53 | |||
54 | if(timing) |
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55 | { |
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56 | timing--; |
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57 | } |
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58 | else |
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59 | // try to catch the I2C buffer within timeout ms |
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60 | if(I2CBus_LockBuffer(I2C0, timeout)) |
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61 | { |
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62 | u8 TxBytes = 0, RxBytes = sizeof(FromCamCtrl); |
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63 | TxBytes = 4; |
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64 | // initiate transmission |
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65 | ToCamCtrl.ZoomInput = 128 + PPM_In[EE_Parameter.CamCtrlZoomChannel]; |
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66 | if(EE_Parameter.CamCtrlModeChannel) |
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67 | { |
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68 | if(PPM_In[EE_Parameter.CamCtrlModeChannel] > 50) // max |
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69 | { |
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70 | ToCamCtrl.CamCommand &= ~CAM_CMD_REC_OFF; |
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71 | ToCamCtrl.CamCommand |= CAM_CMD_REC_ON; |
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72 | } |
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73 | else |
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74 | if(PPM_In[EE_Parameter.CamCtrlModeChannel] < -50) // min |
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75 | { |
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76 | ToCamCtrl.CamCommand &= ~CAM_CMD_REC_ON; |
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77 | ToCamCtrl.CamCommand |= CAM_CMD_REC_OFF; |
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78 | } |
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79 | else // Middle |
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80 | { |
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81 | if(TRIGGER_PP_INTERN) |
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82 | { |
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83 | if(!p63) ToCamCtrl.CamCommand |= CAM_CMD_SHUTTER; // combined with the FC trigger output |
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84 | p63 = 1; |
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85 | } |
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86 | else p63 = 0; |
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87 | } |
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88 | } |
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89 | |||
90 | I2CBus_Transmission(I2C0, CAM_SLAVE_ADDRESS, &ToCamCtrl, TxBytes, &CamCtrl_UpdateData, RxBytes); |
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91 | |||
92 | if(!EE_Parameter.CamCtrlModeChannel) ToCamCtrl.CamCommand = 0; // delete REC_OFF |
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93 | ToCamCtrl.CamCommand = CAM_CMD_SWITCH_ON | (ToCamCtrl.CamCommand & (CAM_CMD_REC_ON | CAM_CMD_REC_OFF)); |
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94 | timing = 66; // 66ms = 15Hz |
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95 | } |
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96 | else timing = 11; // 11ms |
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97 | } |