Mercurial > public > mk2
annotate code_part1/OSTC_code_asm_part1/interface.asm @ 842:454ef5c2e6aa default tip
Bugfix: Auto-SP did not show >9m for some 2C hardware versions in German language firmware
Make year settings until 2040 possible (This is likely the final release for this model)
| author | heinrichsweikamp |
|---|---|
| date | Sat, 29 Nov 2025 14:11:07 +0100 |
| parents | 2a0e5d884fc3 |
| children |
| rev | line source |
|---|---|
| 0 | 1 |
| 815 | 2 ; OSTC Mk.2, 2N and 2C - diving computer code |
|
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BUGFIX: Divetime had unwanted "." behind the minutes
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3 ; Copyright (C) 2015 HeinrichsWeikamp GbR |
| 0 | 4 |
| 5 ; This program is free software: you can redistribute it and/or modify | |
| 6 ; it under the terms of the GNU General Public License as published by | |
| 7 ; the Free Software Foundation, either version 3 of the License, or | |
| 8 ; (at your option) any later version. | |
| 9 | |
| 10 ; This program is distributed in the hope that it will be useful, | |
| 11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 ; GNU General Public License for more details. | |
| 14 | |
| 15 ; You should have received a copy of the GNU General Public License | |
| 16 ; along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 17 | |
| 18 | |
| 19 ; Interface, Downloader, MD2 Hash send routine | |
| 20 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com | |
| 21 ; written: 10/30/05 | |
| 22 ; last updated: 12/27/07 | |
| 23 ; known bugs: | |
| 24 ; ToDo: | |
| 25 | |
| 26 uart_store_tissues: | |
| 27 bcf uart_store_tissue_data ; Clear flag | |
| 28 bcf PIE1,RCIE ; No Interrupt for UART | |
| 21 | 29 bsf LED_blue |
| 0 | 30 call simulator_save_tissue_data ; store and set flag for automatic restore |
| 31 movlw 'k' ; send echo | |
| 32 movwf TXREG ; When done | |
| 33 call rs232_wait_tx ; wait for UART | |
| 21 | 34 bcf LED_blue |
| 0 | 35 bsf PIE1,RCIE ; Interrupt for RS232 |
| 36 goto surfloop_loop ; return to surface loop | |
| 37 | |
| 38 ; reset Decodata | |
| 39 reset_decodata: | |
| 40 bcf uart_reset_decodata ; clear flag | |
| 41 bcf PIE1,RCIE ; No Interrupt for UART | |
| 21 | 42 bsf LED_blue |
| 0 | 43 |
| 116 | 44 call deco_clear_tissue ; Reset Decodata |
| 0 | 45 movlb b'00000001' ; select ram bank 1 |
| 116 | 46 call deco_calc_desaturation_time ; calculate desaturation time |
| 0 | 47 movlb b'00000001' ; select ram bank 1 |
| 116 | 48 call deco_clear_CNS_fraction ; clear CNS |
| 0 | 49 movlb b'00000001' ; select ram bank 1 |
| 50 | |
|
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51 clrf nofly_time+0 ; Clear nofly time |
| 0 | 52 clrf nofly_time+1 ; Clear nofly time |
| 53 | |
| 54 movlw 'h' ; send echo | |
| 55 movwf TXREG ; When done | |
| 56 call rs232_wait_tx ; wait for UART | |
| 57 | |
| 58 bsf oneminupdate ; set flag, so display will be updated at once | |
| 21 | 59 bcf LED_blue |
| 0 | 60 bsf PIE1,RCIE ; Interrupt for RS232 |
| 61 goto surfloop_loop ; return to surface loop | |
| 62 | |
| 63 ; send internal EEPROM BANK 0 via the UART | |
| 64 send_int_eeprom_b0: | |
| 65 bcf uart_send_int_eeprom ; clear flag | |
| 578 | 66 movlw .0 ; Point to Bank0 |
| 67 rcall send_internal_eeprom1 ; sends complete 1st. page of internal EEPROM | |
| 0 | 68 goto surfloop_loop ; return to surface loop |
| 69 | |
| 70 ; send internal EEPROM BANK 1 via the UART | |
| 71 send_int_eeprom_b1: | |
| 72 bcf uart_send_int_eeprom2 ; clear flag | |
| 578 | 73 movlw d'1' |
| 74 movwf EEADRH ; Point to Bank1 | |
| 75 rcall send_internal_eeprom1 ; sends complete 2nd page of internal EEPROM | |
| 76 goto surfloop_loop ; return to surface loop | |
| 0 | 77 |
| 578 | 78 ; send internal EEPROM BANK 2 via the UART |
| 79 send_int_eeprom_b2: | |
| 80 bcf uart_send_int_eeprom3 ; clear flag | |
| 81 movlw d'2' | |
| 703 | 82 movwf EEADRH ; Point to Bank2 |
| 578 | 83 rcall send_internal_eeprom1 ; sends complete 2nd page of internal EEPROM |
| 0 | 84 goto surfloop_loop ; return to surface loop |
| 85 | |
| 86 | |
| 87 ; Send firmware version and 16bytes MD2 hash via the UART | |
| 88 send_md2_hash: | |
| 89 bcf uart_send_hash ; clear flag | |
| 90 bcf PIE1,RCIE ; No Interrupt for UART | |
| 21 | 91 bsf LED_blue |
| 0 | 92 |
| 93 call rs232_wait_tx ; wait for UART | |
| 94 movlw softwareversion_x ; Softwareversion | |
| 95 movwf TXREG | |
| 96 call rs232_wait_tx ; wait for UART | |
| 97 movlw softwareversion_y ; Softwareversion | |
| 98 movwf TXREG | |
| 99 | |
| 100 lfsr FSR2, char_O_hash | |
| 101 movlw d'16' | |
| 102 movwf temp1 | |
| 103 send_md2_hash2: | |
| 104 call rs232_wait_tx ; wait for UART | |
| 105 movff POSTINC2,TXREG ; copy hash byte to TXREG | |
| 106 decfsz temp1,F | |
| 107 bra send_md2_hash2 ; loop 16 times | |
| 108 | |
| 21 | 109 bcf LED_blue |
| 0 | 110 bsf PIE1,RCIE ; Interrupt for RS232 |
| 111 goto surfloop_loop ; return to surface loop | |
| 112 | |
| 113 | |
| 114 ; Sends first 256Byte from internal and first 32KB from external EEPROM using the UART module | |
| 115 menu_interface: | |
| 116 bcf dump_external_eeprom ; clear flag | |
| 117 bcf PIE1,RCIE ; No Interrupt for UART | |
| 21 | 118 bsf LED_blue |
| 681 | 119 call DISP_ClearScreen |
| 717 | 120 call DISP_divemask_color |
| 0 | 121 DISPLAYTEXT .15 ; "Interface" |
| 717 | 122 call DISP_standard_color |
| 0 | 123 movlw d'5' |
| 124 movwf uart1_temp | |
| 125 menu_interface1: | |
| 126 movlw 0xAA ; Startbytes | |
| 127 movwf TXREG | |
| 128 call rs232_wait_tx ; wait for UART | |
| 129 decfsz uart1_temp | |
| 130 bra menu_interface1 | |
| 131 movlw 0x55 ; finish preamble | |
| 132 movwf TXREG | |
| 133 | |
| 134 DISPLAYTEXT .16 ; "Start" | |
| 135 | |
| 136 call get_free_EEPROM_location ; | |
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137 |
| 0 | 138 movlw d'1' ; increase |
| 139 addwf eeprom_address+0,F | |
| 140 movlw d'0' | |
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141 addwfc eeprom_address+1,F |
| 0 | 142 |
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143 ;For debug only |
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144 ;clrf eeprom_address+0,F |
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145 ;clrf eeprom_address+1,F |
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146 |
| 0 | 147 DISPLAYTEXT .17 ; "Data" |
| 148 | |
| 578 | 149 movlw .0 ; Point to Bank0 |
| 0 | 150 rcall send_internal_eeprom1 ; sends complete 1st. page of internal EEPROM |
| 578 | 151 bsf LED_blue |
| 0 | 152 |
| 153 call rs232_wait_tx ; wait for UART | |
| 154 movff batt_voltage+0,TXREG ; Battery | |
| 155 | |
| 156 call rs232_wait_tx ; wait for UART | |
| 157 movff batt_voltage+1,TXREG ; Battery | |
| 158 | |
| 159 call rs232_wait_tx ; wait for UART | |
| 160 movlw softwareversion_x ; Softwareversion | |
| 161 movwf TXREG | |
| 162 | |
| 163 call rs232_wait_tx ; wait for UART | |
| 164 movlw softwareversion_y ; Softwareversion | |
| 165 movwf TXREG | |
| 166 | |
| 167 DISPLAYTEXT .18 ; "Header" | |
| 168 | |
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169 setf uart1_temp ; low address counter |
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170 setf uart2_temp ; high address counter |
| 0 | 171 |
| 172 menu_interface3: | |
| 173 bsf SSPCON2,SEN ; Start condition | |
| 174 call WaitMSSP | |
| 175 | |
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176 movlw b'10101110' ; Bit0=0: WRITE, Bit0=1: READ, BLOCK2 |
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177 btfss eeprom_address+1,7 ; Access Block2? |
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178 movlw b'10100110' ; No, -> Bit0=0: WRITE, Bit0=1: READ, BLOCK1 |
| 0 | 179 movwf SSPBUF ; control byte |
| 180 call WaitMSSP | |
| 181 btfsc SSPCON2,ACKSTAT | |
| 182 bra menu_interface3 ; No Ack, try again! | |
| 183 | |
| 184 movff eeprom_address+1,SSPBUF ; High Address byte | |
| 185 call WaitMSSP | |
| 186 call I2C_WaitforACK | |
| 187 movff eeprom_address+0,SSPBUF ; Low Address byte | |
| 188 call WaitMSSP | |
| 189 call I2C_WaitforACK | |
| 190 bsf SSPCON2,RSEN ; Start condition | |
| 191 call WaitMSSP | |
| 192 | |
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193 movlw b'10101111' ; Bit0=0: WRITE, Bit0=1: READ, BLOCK2 |
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194 btfss eeprom_address+1,7 ; Access Block2? |
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195 movlw b'10100111' ; No, -> Bit0=0: WRITE, Bit0=1: READ, BLOCK1 |
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196 |
| 0 | 197 movwf SSPBUF ; control byte |
| 198 call WaitMSSP | |
| 199 call I2C_WaitforACK | |
| 200 | |
| 201 DISPLAYTEXT .19 ; "Profile" | |
| 202 | |
| 203 menu_interface2: | |
| 204 call rs232_wait_tx ; wait for UART | |
| 205 | |
| 206 movlw d'1' | |
| 207 addwf uart1_temp,F | |
| 208 movlw d'0' | |
| 209 addwfc uart2_temp,F | |
| 210 | |
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211 ; Slow but safe... |
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212 call I2CREAD2 ; same as I2CREAD but with automatic address increase |
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213 movff SSPBUF, TXREG |
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214 |
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215 movlw 0xFF |
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216 cpfseq uart2_temp ;=0xFFFF? |
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217 bra menu_interface2 ; No, continue |
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218 cpfseq uart1_temp ;=0xFFFF? |
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219 bra menu_interface2 ; No, continue |
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220 |
| 0 | 221 DISPLAYTEXT .20 ; Done. |
| 222 | |
| 223 WAITMS d'250' | |
| 21 | 224 bcf LED_blue |
| 0 | 225 bsf PIE1,RCIE ; Interrupt for RS232 |
| 720 | 226 goto surfloop_no_display_init ; back to surfacemode |
| 0 | 227 |
| 228 send_internal_eeprom1: | |
| 578 | 229 movwf EEADRH ; Point to Bank "WREG" |
| 230 bcf PIE1,RCIE ; No Interrupt for UART | |
| 231 bsf LED_blue | |
| 0 | 232 clrf uart1_temp ; Send the total of 256bytes |
| 233 clrf EEADR ; Send bytes 0-255 from internal EEPROM | |
| 234 send_internal_eeprom2: | |
| 235 call read_eeprom ; read byte | |
| 236 movff EEDATA,TXREG ; send byte | |
| 237 incf EEADR,F ; increase pointer | |
| 238 call rs232_wait_tx ; wait for UART | |
| 239 decfsz uart1_temp,F ; until limit reached | |
| 240 bra send_internal_eeprom2 | |
| 578 | 241 clrf EEADRH ; Point to Bank0 |
| 242 bcf LED_blue | |
| 243 bsf PIE1,RCIE ; Interrupt for RS232 | |
| 0 | 244 return |