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1 ;=============================================================================
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2 ;
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3 ; File comm.asm
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4 ;
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5 ; RS232 via USB
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6 ;
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7 ; Copyright (c) 2012, JD Gascuel, HeinrichsWeikamp, all right reserved.
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8 ;=============================================================================
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9 ; HISTORY
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10 ; 2011-08-22 : [mH] Creation
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11 ; 2012-02-11 : [jDG] Added "c" set custom text, and "i" identify.
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12
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13 #include "ostc3.inc"
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14 #include "eeprom_rs232.inc"
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15 #include "tft.inc"
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16 #include "wait.inc"
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17 #include "strings.inc"
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18 #include "convert.inc"
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19 #include "external_flash.inc"
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20 #include "tft_outputs.inc"
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21 #include "surfmode.inc"
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22 #include "rtc.inc"
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23 #include "adc_lightsensor.inc"
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24
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25 extern testloop,do_main_menu,new_battery_menu,restart,option_reset_all
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26
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27 #DEFINE timeout_comm_pre_mode .120 ; Pre-loop
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28 #DEFINE timeout_comm_mode .120 ; Download mode
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29 #DEFINE timeout_service_mode .120 ; Service mode
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30
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31 #DEFINE comm_title_row .0
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32 #DEFINE comm_title_column .50
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33
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34 #DEFINE comm_string_row .30
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35 #DEFINE comm_string_column .40
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36
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37
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38 #DEFINE comm_status1_row .70
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39 #DEFINE comm_status1_column .10
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40 #DEFINE comm_status2_row .100
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41 #DEFINE comm_status2_column comm_status1_column
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42 #DEFINE comm_status3_row .130
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43 #DEFINE comm_status3_column comm_status1_column
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44
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45 #DEFINE comm_warning_row .160
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46 #DEFINE comm_warning_column .65
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47
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48 comm code
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49
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50 ; test for comm
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51 global comm_mode
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52 comm_mode:
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53 call TFT_ClearScreen
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54 WIN_COLOR color_greenish
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55 WIN_SMALL comm_title_column, comm_title_row
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56 STRCPY_TEXT_PRINT tUsbTitle ; comm Mode
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57 call TFT_standard_color
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58 WIN_TOP .10
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59 WIN_LEFT .1
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60 movlw 0xDE
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61 movwf TBLPTRL
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62 movlw 0xEE
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63 movwf TBLPTRH
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64 movlw 0x01
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65 movwf TBLPTRU
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66 call color_image ; Show usb logo
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67 WIN_SMALL comm_status1_column, comm_status1_row
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68 STRCPY_TEXT_PRINT tUsbStarting ; Starting...
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69 call TFT_serial ; Show serial and firmware version
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70 bcf enable_screen_dumps ; =1: Ignore vin_usb, wait for "l" command (Screen dump)
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71 bcf switch_right
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72 bcf comm_service_enabled
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73 bsf menubit
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74 bcf battery_removed_in_usb ; =1: The battery has been removed in USB
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75 movlw timeout_comm_pre_mode
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76 movwf timeout_counter
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77 WIN_SMALL comm_status1_column+.80, comm_status1_row
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78 STRCPY_TEXT_PRINT tUsbStartDone ; Done...
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79 call enable_rs232 ; Also sets to speed_normal ...
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80 comm_mode1:
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81 bcf onesecupdate
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82 bcf LEDr
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83 dcfsnz timeout_counter,F
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84 bra comm_service_exit ; Timeout -> Exit
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85 comm_mode2:
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86 call get_battery_voltage ; gets battery voltage
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87 movlw .3
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88 cpfslt batt_voltage+1 ; Batt Voltage less then 3*256mV?
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89 bra comm_mode3 ; No
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90 ; Set flag
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91 bsf battery_removed_in_usb ; =1: The battery has been removed in USB
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92 bra comm_mode4
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93
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94 comm_mode3:
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95 ; Voltage ok. Do we have a new battery now?
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96 btfsc battery_removed_in_usb ; =1: The battery has been removed in USB
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97 goto new_battery_menu ; show "New battery dialog"
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98
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99 comm_mode4:
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100 call rs232_get_byte
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101
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102 btfss vusb_in ; USB plugged in?
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103 bra comm_service_exit_nousb ; Disconnected -> Exit
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104
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105 btfsc switch_right ; Abort with right
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106 bra comm_service_exit
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107
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108 btfsc onesecupdate
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109 bra comm_mode1
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110
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111 movlw 0xAA ; start byte=0xAA?
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112 cpfseq RCREG1
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113 bra comm_mode2a
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114 bra comm_mode2b ; Startbyte for service mode found
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115 comm_mode2a:
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116 movlw 0xBB ; start byte=0xBB?
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117 cpfseq RCREG1
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118 bra comm_mode2 ; Cycle
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119 bra comm_download_mode ; Startbyte for download mode found
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120
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121 comm_mode2b:
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122 ; Startbyte found
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123 call rs232_wait_tx ; Wait for UART
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124 movlw 0x4B
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125 movwf TXREG1 ; Send Answer
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126 ; Now, check comm command
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127
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128 call rs232_get_byte ; first byte
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129 call rs232_wait_tx ; Wait for UART
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130 movff RCREG1,TXREG1 ; Echo
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131 movlw UPPER comm_service_key
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132 cpfseq RCREG1
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133 bra comm_mode1 ; Wrong -> Restart
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134 call rs232_get_byte ; second byte
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135 call rs232_wait_tx ; Wait for UART
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136 movff RCREG1,TXREG1 ; Echo
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137 movlw HIGH (comm_service_key & 0xFFFF)
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138 cpfseq RCREG1
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139 bra comm_mode1 ; Wrong -> Restart
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140 call rs232_get_byte ; third byte
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141 call rs232_wait_tx ; Wait for UART
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142 movff RCREG1,TXREG1 ; Echo
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143 movlw LOW comm_service_key
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144 cpfseq RCREG1
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145 bra comm_mode1 ; Wrong -> Restart
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146
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147 ; Enable comm service mode
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148 WIN_SMALL comm_status2_column, comm_status2_row
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149 STRCPY_TEXT_PRINT tUsbServiceMode ; Service mode enabled
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150 bsf comm_service_enabled
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151 bra comm_download_mode0 ; Startbyte for download mode found
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152
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153 comm_service_exit_nousb: ; Disconnected -> Exit
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154 WIN_SMALL comm_status3_column, comm_status3_row
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155 STRCPY_TEXT_PRINT tUsbClosed ; Port closed
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156 bra comm_service_exit_common
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157
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158 comm_service_exit:
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159 WIN_SMALL comm_status3_column, comm_status3_row
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160 STRCPY_TEXT_PRINT tUsbExit ; Exited
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161
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162 comm_service_exit_common:
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163 call rs232_wait_tx ; Wait for UART
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164 movlw 0xFF ; Reply FF
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165 movwf TXREG1 ; Send Answer
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166
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167 ; Wait 1 second
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168 bcf onesecupdate
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169 btfss onesecupdate
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170 bra $-2
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171 ; Wait 1 second
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172 bcf onesecupdate
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173 btfss onesecupdate
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174 bra $-2
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175
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176 call disable_rs232
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177 bcf LEDr
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178 goto restart
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179
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180 ;-----------------------------------------------------------------------------
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181
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182 comm_service_ll_bootloader:
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183 bsf LEDr
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184 WIN_SMALL comm_status3_column, comm_status3_row
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185 STRCPY_TEXT_PRINT tUsbLlBld ; Low Level Bootloader started
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186 WIN_TOP comm_warning_row
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187 WIN_LEFT comm_warning_column
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188 TFT_WRITE_PROM_IMAGE dive_warning_block ; Show Warning icon
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189 goto 0x1FF0C
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190
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191 ;-----------------------------------------------------------------------------
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192 ; Sends external flash from 0x3E0000 to 0x3FD000 (118784bytes) via comm
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193 ;
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194 comm_send_firmware:
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195 movlw 0x50 ; send echo
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196 movwf TXREG1
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197 call rs232_wait_tx ; Wait for UART
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198
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199 ; Read 5 bytes into buffer.
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200 lfsr FSR2,buffer
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201 movlw .5 ; counter
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202 movwf lo
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203 movlw 0x55 ; 5'ft byte checksum.
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204 movwf hi
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205
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206 comm_send_firmware_loop:
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207 call rs232_get_byte
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208 btfsc rs232_recieve_overflow ; Got byte?
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209 bra comm_send_firmware_abort ; No, abort!
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210 movf RCREG1,W
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211 movwf POSTINC2 ; Store checksum byte.
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212 xorwf hi,F ; Also xor into checksum
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213 rlncf hi,F ; And rotate it.
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214 decfsz lo,F
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215 bra comm_send_firmware_loop
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216
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217 ; Check that 5ft byte checksum's checksum
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218 movf hi,W
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219 bnz comm_send_firmware_failed
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220
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221 movlw 0x4C ; send OK
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222 movwf TXREG1
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223 call rs232_wait_tx ; Wait for UART
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224
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225 ; Passed: goto second stage verification.
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226 ; NOTE: Bootloader is Bank0. With buffer at address 0x200.
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227 goto 0x1FDF0 ; And pray...
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228
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229 comm_send_firmware_failed:
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230 WIN_SMALL comm_string_column, comm_string_row
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50
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231 call TFT_warnings_color
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0
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232 STRCPY_PRINT "Checksum failed"
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233
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234 comm_send_firmware_abort:
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235
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236 movlw 0xFF ; send ABORTED byte.
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237 movwf TXREG1
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238 call rs232_wait_tx ; Wait for UART
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239 bra comm_download_mode0 ; Done.
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240
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241 ;-----------------------------------------------------------------------------
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242 ; Reset to Dive 1 in logbook
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243
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244 comm_reset_logbook_pointers:
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245 clrf EEADRH ; Make sure to select eeprom bank 0
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246 clrf EEDATA
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247 write_int_eeprom .4
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248 write_int_eeprom .5
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249 write_int_eeprom .6
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250 write_int_eeprom .2 ; Also, delete total dive counter
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251 write_int_eeprom .3
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252 call ext_flash_erase_logbook ; And complete logbook (!)
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253 bra comm_download_mode0 ; Done.
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254
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255 ;-----------------------------------------------------------------------------
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256 comm_reset_battery_gauge: ; Resets battery gauge registers
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257 call reset_battery_pointer ; Resets battery pointer 0x07-0x0C and battery_gauge:5
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258 bra comm_download_mode0 ; Done.
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259
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260 ;-----------------------------------------------------------------------------
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261 ; erases range in 4kB steps
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262
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263 comm_erase_range4kb:
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264 movlw 0x42 ; send echo
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265 movwf TXREG1
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266 call rs232_wait_tx ; Wait for UART
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267
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268 bcf INTCON,GIE ; All interrups off!
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269
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270 rcall comm_get_flash_address ; Get three bytes address or return
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271 btfsc rs232_recieve_overflow ; Got Data?
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272 bra comm_download_mode0 ; No, Done.
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273
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274 call rs232_get_byte
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275 btfsc rs232_recieve_overflow ; Got byte?
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276 bra comm_download_mode0 ; No, Done.
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277 movff RCREG1,lo
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278 ; Got 4bytes: 3bytes address and 1 bytes (lo) amount of 4kB blocks
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279
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280 comm_erase_range4kb1:
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281 call ext_flash_erase4kB ; Erase block!
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282
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283 movlw 0x10
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284 addwf ext_flash_address+1,F
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285 movlw .0
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286 addwfc ext_flash_address+2,F ; Increase address by .4096, or 0x1000
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287 decfsz lo,F
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288 bra comm_erase_range4kb1 ; Loop until lo=zero
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289
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290 bra comm_download_mode0 ; Done (Sends the 4C OK too).
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291
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292 ;-----------------------------------------------------------------------------
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293
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294 comm_erase_4kb: ; Get 3 bytes start address
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295 bcf INTCON,GIE ; All interrups off!
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296
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297 rcall comm_get_flash_address ; Get three bytes address or return
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298 btfsc rs232_recieve_overflow ; Got Data?
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299 bra comm_download_mode0 ; No, Done.
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300
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301 call ext_flash_erase4kB ; Erase one block
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302 bra comm_download_mode0 ; Done.
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303
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304 ;-----------------------------------------------------------------------------
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305
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306 comm_write_range: ; Get 3 bytes start address
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307 movlw 0x30 ; send echo
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308 movwf TXREG1
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309 call rs232_wait_tx ; Wait for UART
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310
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311 bcf INTCON,GIE ; All interrups off!
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312
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313 rcall comm_get_flash_address ; Get three bytes address or return
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314 btfsc rs232_recieve_overflow ; Got Data?
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315 bra comm_download_mode0 ; No, Done.
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316
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317 comm_write_range_loop:
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318 call rs232_get_byte
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319 btfsc rs232_recieve_overflow ; Got byte?
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320 bra comm_download_mode0 ; No, Done (and send OK byte too).
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321 movf RCREG1,W
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322 call ext_flash_byte_write ; write one byte
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323 call incf_ext_flash_address_p1 ; increase address+1
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324 bra comm_write_range_loop
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325
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326 ;-----------------------------------------------------------------------------
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327
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328 comm_send_range: ; Get 3 bytes start address and 3 bytes amount
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329 movlw 0x20 ; send echo
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330 movwf TXREG1
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331 call rs232_wait_tx ; Wait for UART
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332
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333 bcf INTCON,GIE ; All interrups off!
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334
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335 rcall comm_get_flash_address ; Get three bytes address or return
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336 btfsc rs232_recieve_overflow ; Got Data?
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337 bra comm_download_mode0 ; No, Done.
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338
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339 call rs232_get_byte
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340 btfsc rs232_recieve_overflow ; Got byte?
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341 bra comm_download_mode0 ; No, Done.
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342 movff RCREG1,up
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343 call rs232_get_byte
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344 btfsc rs232_recieve_overflow ; Got byte?
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345 bra comm_download_mode0 ; No, Done.
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346 movff RCREG1,hi
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347 call rs232_get_byte
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348 btfsc rs232_recieve_overflow ; Got byte?
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349 bra comm_download_mode0 ; No, Done.
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350 movff RCREG1,lo
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351
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352 ; If lo==0, we must precondition hi because there is to many bytes send !
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353 movf lo,W
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354 bnz $+4
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355 decf hi,F
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356
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357 ; 6bytes received, send data
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358 comm_send_range2: ; needs ext_flash_address:3 start address and up:hi:lo amount
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359 call ext_flash_read_block_start
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360 movwf TXREG1
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361
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362 bra comm_send_range24 ; counter 24bit
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363 comm_send_range24_loop:
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364 call ext_flash_read_block ; Read one byte
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365 movwf TXREG1 ; Start new transmit
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366 comm_send_range24:
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367 call rs232_wait_tx ; Wait for UART
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368 decfsz lo,F
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369 bra comm_send_range24_loop
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370 decf hi,F
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371 movlw 0xFF
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372 cpfseq hi
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373 bra comm_send_range24_loop
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374 decf up,F
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375 movlw 0xFF
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376 cpfseq up
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377 bra comm_send_range24_loop
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378 call ext_flash_read_block_stop
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379
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380 bra comm_download_mode0 ; Done.
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381
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382 ;-----------------------------------------------------------------------------
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383
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384 comm_get_flash_address:
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385 call rs232_get_byte
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386 btfsc rs232_recieve_overflow ; Got byte?
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387 return ; No, return
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388 movff RCREG1,ext_flash_address+2
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389 call rs232_get_byte
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390 btfsc rs232_recieve_overflow ; Got byte?
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391 return ; No, return
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392 movff RCREG1,ext_flash_address+1
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393 call rs232_get_byte
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394 btfsc rs232_recieve_overflow ; Got byte?
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395 return ; No, return
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396 movff RCREG1,ext_flash_address+0
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397 return
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398
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399 ;-----------------------------------------------------------------------------
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400
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401 comm_download_mode:
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402 ; Enable comm download mode
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403 WIN_SMALL comm_status2_column, comm_status2_row
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404 STRCPY_TEXT_PRINT tUsbDownloadMode; Download mode enabled
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405 bsf INTCON,GIE ; All interrups on
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406 call rs232_wait_tx ; Wait for UART
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407 movlw 0xBB ; Command Echo
|
|
|
408 movwf TXREG1 ; Send Answer
|
|
|
409 comm_download_mode0:
|
|
|
410 bsf INTCON,GIE ; All interrups on
|
|
|
411 call rs232_wait_tx ; Wait for UART
|
|
|
412 movlw 0x4C ; 4C in service mode
|
|
|
413 btfss comm_service_enabled
|
|
|
414 movlw 0x4D ; 4D in download mode
|
|
|
415 movwf TXREG1 ; Send Answer
|
|
|
416 movlw timeout_service_mode
|
|
|
417 movwf timeout_counter ; Timeout
|
|
|
418 bcf switch_right
|
|
|
419 comm_download_mode1:
|
|
|
420 bcf onesecupdate
|
|
|
421 dcfsnz timeout_counter,F
|
|
|
422 bra comm_service_exit ; Timeout -> Exit
|
|
|
423 comm_download_mode2:
|
|
|
424 call rs232_get_byte ; Check for a byte
|
|
|
425 btfsc comm_service_enabled
|
|
|
426 btg LEDr ; Blink in Service mode
|
|
|
427 btfss vusb_in ; USB plugged in?
|
|
|
428 bra comm_service_exit_nousb ; Disconnected -> Exit
|
|
|
429 btfsc switch_right ; Abort with right
|
|
|
430 bra comm_service_exit
|
|
|
431 btfsc onesecupdate
|
|
|
432 bra comm_download_mode1
|
|
|
433 btfsc rs232_recieve_overflow
|
|
|
434 bra comm_download_mode2 ; Wait for command byte
|
|
|
435
|
|
|
436 ; command received!
|
|
|
437 bcf LEDr
|
|
|
438 movlw 0xFF
|
|
|
439 cpfseq RCREG1
|
|
|
440 bra $+4
|
|
|
441 bra comm_service_exit ; exit
|
|
|
442 movlw "a"
|
|
|
443 cpfseq RCREG1
|
|
|
444 bra $+4
|
|
|
445 bra comm_send_headers ; Send all 256 dive headers
|
|
|
446 movlw "b"
|
|
|
447 cpfseq RCREG1
|
|
|
448 bra $+4
|
|
|
449 bra comm_set_time ; Read time and date from the PC and set clock
|
|
|
450 movlw "c"
|
|
|
451 cpfseq RCREG1
|
|
|
452 bra $+4
|
|
|
453 bra comm_set_custom_text ; Send a opt_name_length byte string of custom text.
|
|
|
454 movlw "f"
|
|
|
455 cpfseq RCREG1
|
|
|
456 bra $+4
|
|
|
457 bra comm_send_dive ; Send header and profile for one dive
|
|
|
458 movlw "i"
|
|
|
459 cpfseq RCREG1
|
|
|
460 bra $+4
|
|
|
461 bra comm_identify ; Send firmware, serial, etc.
|
|
|
462 movlw "n"
|
|
|
463 cpfseq RCREG1
|
|
|
464 bra $+4
|
|
|
465 bra comm_send_string ; Send a 15byte string to the screen
|
|
|
466 movlw "l"
|
|
|
467 cpfseq RCREG1
|
|
|
468 bra $+4
|
|
|
469 call TFT_dump_screen ; Dump the screen contents
|
|
|
470
|
|
|
471 btfss comm_service_enabled ; Done for Download mode
|
|
|
472 bra comm_download_mode0 ; Loop with timeout reset
|
|
|
473
|
|
|
474 movlw 0x20
|
|
|
475 cpfseq RCREG1
|
|
|
476 bra $+4
|
|
|
477 bra comm_send_range ; send hi:lo:temp1 bytes starting from ext_flash_address:3
|
|
|
478 movlw 0x22
|
|
|
479 cpfseq RCREG1
|
|
|
480 bra $+4
|
|
|
481 bra comm_reset_logbook_pointers ; Resets all logbook pointers and the logbook (!)
|
|
|
482 movlw 0x23
|
|
|
483 cpfseq RCREG1
|
|
|
484 bra $+4
|
|
|
485 bra comm_reset_battery_gauge ; Resets battery gauge registers
|
|
|
486 movlw 0x30
|
|
|
487 cpfseq RCREG1
|
|
|
488 bra $+4
|
|
|
489 bra comm_write_range ; write bytes starting from ext_flash_address:3 (Stop when timeout)
|
|
|
490 movlw 0x40
|
|
|
491 cpfseq RCREG1
|
|
|
492 bra $+4
|
|
|
493 bra comm_erase_4kb ; erases 4kB block from ext_flash_address:3 (Warning: No confirmation or built-in security here...)
|
|
|
494 movlw 0x42
|
|
|
495 cpfseq RCREG1
|
|
|
496 bra $+4
|
|
|
497 bra comm_erase_range4kb ; erases range in 4kB steps (Get 3 bytes address and 1byte amount of 4kB blocks)
|
|
|
498 movlw 0x50
|
|
|
499 cpfseq RCREG1
|
|
|
500 bra $+4
|
|
|
501 bra comm_send_firmware ; sends firmware from external flash from 0x3E0000 to 0x3FD000 (118784bytes) via comm
|
|
|
502 movlw "t"
|
|
|
503 cpfseq RCREG1
|
|
|
504 bra $+4
|
|
|
505 goto testloop ; Start raw-data testloop
|
|
|
506 movlw "r"
|
|
|
507 cpfseq RCREG1
|
|
|
508 bra $+4
|
|
|
509 call option_reset_all ; Reset all options to factory default.
|
|
|
510 movlw 0xC1
|
|
|
511 cpfseq RCREG1
|
|
|
512 bra $+4
|
|
|
513 bra comm_service_ll_bootloader ; Start low-level bootloader
|
|
|
514 bra comm_download_mode0 ; Loop with timeout reset
|
|
|
515
|
|
|
516 ;-----------------------------------------------------------------------------
|
|
|
517
|
|
|
518 comm_send_headers:
|
|
|
519 movlw "a" ; send echo
|
|
|
520 movwf TXREG1
|
|
|
521 ; Send 256 bytes/dive (Header)
|
|
|
522 ; 1st: 200000h-2000FFh
|
|
|
523 ; 2nd: 201000h-2010FFh
|
|
|
524 ; 3rd: 202000h-2020FFh
|
|
|
525 ; 100: 264000h-2640FFh
|
|
|
526 ; 256: 2FF000h-2FF0FFh
|
|
|
527 movlw 0x1F
|
|
|
528 movwf ext_flash_address+2
|
|
|
529 movlw 0xF0
|
|
|
530 movwf ext_flash_address+1
|
|
|
531
|
|
|
532 comm_send_headers2:
|
|
|
533 movlw 0x00
|
|
|
534 movwf ext_flash_address+0
|
|
|
535 ; Adjust address for next dive
|
|
|
536 movlw 0x10
|
|
|
537 addwf ext_flash_address+1
|
|
|
538 movlw 0x00
|
|
|
539 addwfc ext_flash_address+2
|
|
|
540
|
|
|
541 movlw 0x30
|
|
|
542 cpfseq ext_flash_address+2 ; All 256 dive send?
|
|
|
543 bra comm_send_headers4 ; No, continue
|
|
|
544 bra comm_download_mode0 ; Done. Loop with timeout reset
|
|
|
545
|
|
|
546 comm_send_headers4:
|
|
|
547 clrf lo ; Counter
|
|
|
548 call rs232_wait_tx ; Wait for UART
|
|
|
549 call ext_flash_read_block_start ; 1st byte
|
|
|
550 movwf TXREG1
|
|
|
551 bra comm_send_headers3 ; counter 24bit
|
|
|
552 comm_send_headers_loop:
|
|
|
553 call ext_flash_read_block ; Read one byte
|
|
|
554 movwf TXREG1 ; Start new transmit
|
|
|
555 comm_send_headers3:
|
|
|
556 call rs232_wait_tx ; Wait for UART
|
|
|
557 decfsz lo,F
|
|
|
558 bra comm_send_headers_loop
|
|
|
559 call ext_flash_read_block_stop
|
|
|
560 bra comm_send_headers2 ; continue
|
|
|
561
|
|
|
562 ;-----------------------------------------------------------------------------
|
|
|
563 ;
|
|
|
564
|
|
|
565 comm_set_time:
|
|
|
566 movlw "b" ; send echo
|
|
|
567 movwf TXREG1
|
|
|
568
|
|
|
569 call rs232_wait_tx ; wait for UART
|
|
|
570 call rs232_get_byte
|
|
|
571 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
572 return ; No, abort!
|
|
|
573 movff RCREG1, hours
|
|
|
574 movlw d'24'
|
|
|
575 cpfslt hours
|
|
|
576 clrf hours
|
|
|
577 call rs232_get_byte
|
|
|
578 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
579 return ; No, abort!
|
|
|
580 movff RCREG1, mins
|
|
|
581 movlw d'60'
|
|
|
582 cpfslt mins
|
|
|
583 clrf mins
|
|
|
584 call rs232_get_byte
|
|
|
585 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
586 return ; No, abort!
|
|
|
587 movff RCREG1, secs
|
|
|
588 movlw d'60'
|
|
|
589 cpfslt secs
|
|
|
590 clrf secs
|
|
|
591 call rs232_get_byte
|
|
|
592 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
593 return ; No, abort!
|
|
|
594 movff RCREG1, month
|
|
|
595 movlw d'13'
|
|
|
596 cpfslt month
|
|
|
597 movwf month
|
|
|
598 call rs232_get_byte
|
|
|
599 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
600 return ; No, abort!
|
|
|
601 rcall comm_check_day ; Check day
|
|
|
602 call rs232_get_byte
|
|
|
603 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
604 return ; No, abort!
|
|
|
605 movff RCREG1, year
|
|
|
606 movlw d'100'
|
|
|
607 cpfslt year
|
|
|
608 clrf year
|
|
|
609 ; All ok, set RTCC
|
|
|
610 call rtc_set_rtc ; writes mins,sec,hours,day,month and year to rtc module
|
|
|
611 bra comm_download_mode0 ; Done. back to loop with timeout reset
|
|
|
612
|
|
|
613 ;-----------------------------------------------------------------------------
|
|
|
614 ; Set OSTC3 custom text string (opt_name_length ascii chars).
|
|
|
615 ;
|
|
|
616
|
|
|
617 comm_set_custom_text:
|
|
|
618 movlw "c" ; send echo
|
|
|
619 movwf TXREG1
|
|
|
620 call rs232_wait_tx ; wait for UART
|
|
|
621 lfsr FSR2,opt_name
|
|
|
622 movlw opt_name_length
|
|
|
623 movwf lo ; counter
|
|
|
624 comm_set_ctext_loop:
|
|
|
625 call rs232_get_byte
|
|
|
626 btfsc rs232_recieve_overflow ; Got byte?
|
|
7
|
627 bra comm_download_mode0 ; No, loop with timeout reset
|
|
|
628 movff RCREG1,POSTINC2 ; Store character
|
|
0
|
629 decfsz lo,F
|
|
|
630 bra comm_set_ctext_loop
|
|
7
|
631 bra comm_download_mode0 ; Done. Loop with timeout reset
|
|
0
|
632
|
|
|
633 ;-----------------------------------------------------------------------------
|
|
|
634 ; Reply Serial (2 bytes low:high), firmware (major.minor) and custom text.
|
|
|
635 ;
|
|
|
636
|
|
|
637 comm_identify:
|
|
|
638 movlw "i" ; send echo
|
|
|
639 movwf TXREG1
|
|
|
640 call rs232_wait_tx ; wait for UART
|
|
|
641
|
|
|
642 ;---- Read serial from internal EEPROM address 0000
|
|
|
643 clrf EEADRH
|
|
|
644 clrf EEADR ; Get Serial number LOW
|
|
|
645 call read_eeprom ; read byte
|
|
|
646 movff EEDATA,lo
|
|
|
647 incf EEADR,F ; Get Serial number HIGH
|
|
|
648 call read_eeprom ; read byte
|
|
|
649 movff EEDATA,hi
|
|
|
650
|
|
|
651 ;---- Emit serial number
|
|
|
652 movff lo,TXREG1
|
|
|
653 call rs232_wait_tx
|
|
|
654 movff hi,TXREG1
|
|
|
655 call rs232_wait_tx
|
|
|
656
|
|
|
657 ;---- Emit fiwmware hi.lo
|
|
|
658 movlw softwareversion_x
|
|
|
659 movwf TXREG1
|
|
|
660 call rs232_wait_tx
|
|
|
661 movlw softwareversion_y
|
|
|
662 movwf TXREG1
|
|
|
663 call rs232_wait_tx
|
|
|
664
|
|
|
665 ;---- Emit custom text
|
|
|
666 movlw opt_name_length
|
|
|
667 movwf hi
|
|
|
668 lfsr FSR2,opt_name
|
|
|
669
|
|
|
670 common_identify_loop:
|
|
|
671 movff POSTINC2,TXREG1
|
|
|
672 call rs232_wait_tx
|
|
|
673 decfsz hi,F
|
|
|
674 bra common_identify_loop
|
|
|
675
|
|
|
676 bra comm_download_mode0 ; Done.
|
|
|
677
|
|
|
678
|
|
|
679 ;-----------------------------------------------------------------------------
|
|
|
680
|
|
|
681 comm_send_dive:
|
|
|
682 movlw "f" ; send echo
|
|
|
683 movwf TXREG1
|
|
|
684
|
|
|
685 call rs232_get_byte
|
|
|
686 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
687 bra comm_download_mode0 ; No, abort!
|
|
|
688 movff RCREG1,lo ; Store dive number (0-255)
|
|
|
689 ; First, send the header (again)
|
|
|
690 ; Set ext_flash_address:3 to TOC entry of this dive
|
|
|
691 ; 1st: 200000h-200FFFh -> lo=0
|
|
|
692 ; 2nd: 201000h-201FFFh -> lo=1
|
|
|
693 ; 3rd: 202000h-202FFFh -> lo=2
|
|
|
694 ; 256: 2FF000h-2FFFFFh -> lo=255
|
|
|
695 clrf ext_flash_address+0
|
|
|
696 clrf ext_flash_address+1
|
|
|
697 movlw 0x20
|
|
|
698 movwf ext_flash_address+2
|
|
|
699 movlw .16
|
|
|
700 mulwf lo ; lo*16 = offset to 0x2000 (up:hi)
|
|
|
701 movf PRODL,W
|
|
|
702 addwf ext_flash_address+1,F
|
|
|
703 movf PRODH,W
|
|
|
704 addwfc ext_flash_address+2,F
|
|
|
705
|
|
|
706 incf_ext_flash_address d'2' ; Skip 0xFA, 0xFA
|
|
|
707 call ext_flash_byte_read_plus ; Read start address of profile
|
|
|
708 movff temp1,ext_flash_log_pointer+0
|
|
|
709 call ext_flash_byte_read_plus ; Read start address of profile
|
|
|
710 movff temp1,ext_flash_log_pointer+1
|
|
|
711 call ext_flash_byte_read_plus ; Read start address of profile
|
|
|
712 movff temp1,ext_flash_log_pointer+2
|
|
|
713 call ext_flash_byte_read_plus ; Read end address of profile
|
|
|
714 movff temp1,convert_value_temp+0
|
|
|
715 call ext_flash_byte_read_plus ; Read end address of profile
|
|
|
716 movff temp1,convert_value_temp+1
|
|
|
717 call ext_flash_byte_read_plus ; Read end address of profile
|
|
|
718 movff temp1,convert_value_temp+2
|
|
|
719 decf_ext_flash_address d'8' ; Back again to first 0xFA in header
|
|
|
720
|
|
|
721 movf ext_flash_log_pointer+0,W
|
|
|
722 cpfseq convert_value_temp+0 ; Equal?
|
|
|
723 bra comm_send_dive1 ; No, Send header
|
|
|
724
|
|
|
725 movf ext_flash_log_pointer+1,W
|
|
|
726 cpfseq convert_value_temp+1 ; Equal?
|
|
|
727 bra comm_send_dive1 ; No, Send header
|
|
|
728
|
|
|
729 movf ext_flash_log_pointer+2,W
|
|
|
730 cpfseq convert_value_temp+2 ; Equal?
|
|
|
731 bra comm_send_dive1 ; No, Send header
|
|
|
732
|
|
|
733 ; Start=End -> Not good, abort
|
|
|
734 bra comm_download_mode0 ; Done. Loop with timeout reset
|
|
|
735
|
|
|
736 comm_send_dive1:
|
|
|
737 ; Send header
|
|
|
738 clrf hi ; Counter
|
|
|
739 call rs232_wait_tx ; Wait for UART
|
|
|
740 call ext_flash_read_block_start ; 1st byte
|
|
|
741 movwf TXREG1
|
|
|
742 bra comm_send_dive_header
|
|
|
743 comm_send_dive_header2:
|
|
|
744 call ext_flash_read_block ; Read one byte
|
|
|
745 movwf TXREG1 ; Start new transmit
|
|
|
746 comm_send_dive_header:
|
|
|
747 call rs232_wait_tx ; Wait for UART
|
|
|
748 decfsz hi,F
|
|
|
749 bra comm_send_dive_header2
|
|
|
750 call ext_flash_read_block_stop
|
|
|
751
|
|
|
752 ; Set address for profile
|
|
|
753 movff ext_flash_log_pointer+0,ext_flash_address+0
|
|
|
754 movff ext_flash_log_pointer+1,ext_flash_address+1
|
|
|
755 movff ext_flash_log_pointer+2,ext_flash_address+2
|
|
|
756
|
|
|
757 movlw .6 ; Skip 6byte short header in profile - only for internal use
|
|
|
758 call incf_ext_flash_address0_0x20 ; increases bytes in ext_flash_address:3 with 0x200000 bank switching
|
|
|
759
|
|
|
760 comm_send_dive_profile:
|
|
|
761 call ext_flash_byte_read_plus_0x20 ; Read one byte into temp1, takes care of banking at 0x200000
|
|
|
762 call rs232_wait_tx ; Wait for UART
|
|
|
763 movff temp1,TXREG1 ; Send a byte
|
|
|
764
|
|
|
765 ; 24bit compare with end address
|
|
|
766 movff convert_value_temp+0,WREG
|
|
|
767 cpfseq ext_flash_address+0
|
|
|
768 bra comm_send_dive_profile
|
|
|
769 movff convert_value_temp+1,WREG
|
|
|
770 cpfseq ext_flash_address+1
|
|
|
771 bra comm_send_dive_profile
|
|
|
772 movff convert_value_temp+2,WREG
|
|
|
773 cpfseq ext_flash_address+2
|
|
|
774 bra comm_send_dive_profile
|
|
|
775
|
|
|
776 call rs232_wait_tx ; Wait for UART
|
|
|
777 bra comm_download_mode0 ; Done. Loop with timeout reset
|
|
|
778
|
|
|
779 ;-----------------------------------------------------------------------------
|
|
|
780
|
|
|
781 comm_send_string:
|
|
|
782 movlw "n" ; send echo
|
|
|
783 movwf TXREG1
|
|
|
784 call rs232_wait_tx ; Wait for UART
|
|
|
785 WIN_SMALL comm_string_column, comm_string_row
|
|
|
786 lfsr FSR2,buffer
|
|
|
787 movlw .16
|
|
|
788 movwf lo ; counter
|
|
|
789 comm_send_string_loop:
|
|
|
790 call rs232_get_byte
|
|
|
791 btfsc rs232_recieve_overflow ; Got byte?
|
|
|
792 bra comm_send_string_abort ; No, abort!
|
|
|
793 movff RCREG1,POSTINC2 ; Store character
|
|
|
794 decfsz lo,F
|
|
|
795 bra comm_send_string_loop
|
|
|
796 comm_send_string_abort:
|
|
|
797 STRCAT_PRINT "" ; Show the text
|
|
|
798 bra comm_download_mode0 ; Done. Loop with timeout reset
|
|
|
799
|
|
|
800 ;-----------------------------------------------------------------------------
|
|
|
801
|
|
|
802 comm_check_day:
|
|
|
803 movff RCREG1, day
|
|
|
804 movff month,lo ; new month
|
|
|
805 dcfsnz lo,F
|
|
|
806 movlw .31
|
|
|
807 dcfsnz lo,F
|
|
|
808 movlw .28
|
|
|
809 dcfsnz lo,F
|
|
|
810 movlw .31
|
|
|
811 dcfsnz lo,F
|
|
|
812 movlw .30
|
|
|
813 dcfsnz lo,F
|
|
|
814 movlw .31
|
|
|
815 dcfsnz lo,F
|
|
|
816 movlw .30
|
|
|
817 dcfsnz lo,F
|
|
|
818 movlw .31
|
|
|
819 dcfsnz lo,F
|
|
|
820 movlw .31
|
|
|
821 dcfsnz lo,F
|
|
|
822 movlw .30
|
|
|
823 dcfsnz lo,F
|
|
|
824 movlw .31
|
|
|
825 dcfsnz lo,F
|
|
|
826 movlw .30
|
|
|
827 dcfsnz lo,F
|
|
|
828 movlw .31
|
|
|
829 cpfsgt day ; day ok?
|
|
|
830 return ; OK
|
|
|
831 movlw .1 ; not OK, set to 1st
|
|
|
832 movwf day
|
|
|
833 return
|
|
|
834
|
|
|
835 ;----------------------------------------------------------------------------
|
|
|
836 END |
