mk2: code_part1/OSTC_code_asm_part1/eeprom

annotate code_part1/OSTC_code_asm_part1/eeprom_rs232.asm @ 670:92e1690ecc84

2.57beta release

author	heinrichsweikamp
date	Tue, 04 Dec 2012 16:41:38 +0100
parents	fbd5e2b75a63
children	6e456a6398e0

rev	line source
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	1 ; OSTC - diving computer code
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	2 ; Copyright (C) 2008 HeinrichsWeikamp GbR
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	3
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	4 ; This program is free software: you can redistribute it and/or modify
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	5 ; it under the terms of the GNU General Public License as published by
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	6 ; the Free Software Foundation, either version 3 of the License, or
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	7 ; (at your option) any later version.
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	8
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	9 ; This program is distributed in the hope that it will be useful,
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	10 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	11 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	12 ; GNU General Public License for more details.
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	13
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	14 ; You should have received a copy of the GNU General Public License
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	15 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	16
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	17
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	18 ; internal EEPROM and RS232 UART interface
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	20 ; written: 02/01/06
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	21 ; last updated: 090109
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	22 ; known bugs:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	23 ; ToDo:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	24
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	25 write_int_eeprom macro eeprom_address
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	26 movlw eeprom_address
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	27 call write_int_eeprom_1
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	28 endm
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	29
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	30 write_int_eeprom_1:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	31 movwf EEADR
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	32 bra write_eeprom ; writes and "returns" after write
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	33
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	34 read_int_eeprom macro eeprom_address
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	35 movlw eeprom_address
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	36 call read_int_eeprom_1
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	37 endm
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	38
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	39 read_int_eeprom_1:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	40 movwf EEADR
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	41 bra read_eeprom ; reads and "returns" after write
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	42
578 fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	43 internal_eeprom_access_b2: ; accesses internal EEPROM BANK 2 via the UART
fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	44 bcf internal_eeprom_write3 ; clear flag!
fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	45 movlw d'2'
fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	46 movwf EEADRH ;BANK1
fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	47 movlw "n"
fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	48 bra internal_eeprom_access1 ; Continue with common routines
fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	49
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	50 internal_eeprom_access_b1: ; accesses internal EEPROM BANK 1 via the UART
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	51 bcf internal_eeprom_write2 ; clear flag!
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	52 movlw d'1'
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	53 movwf EEADRH ;BANK1
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	54 movlw "i"
578 fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	55 bra internal_eeprom_access1 ; Continue with common routines
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	56
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	57 internal_eeprom_access_b0: ; accesses internal EEPROM BANK 0 via the UART
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	58 bcf internal_eeprom_write ; clear flag!
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	59 clrf EEADRH ; Bank0
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	60 movlw "d"
578 fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	61 ; bra internal_eeprom_access1 ; Continue with common routines
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	62 internal_eeprom_access1:
578 fbd5e2b75a63 adding access to CF64-CF95 heinrichsweikamp parents: 537 diff changeset	63 movwf TXREG ; Send command echo ("i", "d" or "n")
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	64 bsf no_sensor_int ; No Sensor Interrupt
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	65 movlw d'4'
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	66 movwf EEADR
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	67 bcf PIE1,RCIE ; no interrupt for UART
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	68 bcf PIR1,RCIF ; clear flag
21 73014f788032 1.60 stable rc1 heinrichsweikamp parents: 0 diff changeset	69 bsf LED_blue ; LEDusb ON
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	70
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	71 internal_eeprom_access2:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	72 rcall rs232_get_byte ; Get byte to write...
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	73 movff RCREG,EEDATA ; copy to write register
21 73014f788032 1.60 stable rc1 heinrichsweikamp parents: 0 diff changeset	74 bsf LED_red ; show activity
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	75
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	76 btfsc rs232_recieve_overflow ; overflow recieved?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	77 bra internal_eeprom_access3 ; Yes, abort!
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	78
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	79 rcall write_eeprom ; No, write one byte
21 73014f788032 1.60 stable rc1 heinrichsweikamp parents: 0 diff changeset	80 bcf LED_red
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	81 movff EEDATA,TXREG ; Send echo!
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	82 rcall rs232_wait_tx ; Wait for UART
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	83 incfsz EEADR,F ; Do until EEADR rolls to zero
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	84 bra internal_eeprom_access2
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	85 internal_eeprom_access2a:
21 73014f788032 1.60 stable rc1 heinrichsweikamp parents: 0 diff changeset	86 bcf LED_blue ; LEDusb OFF
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	87 bcf PIR1,RCIF ; clear flag
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	88 bsf PIE1,RCIE ; re-enable interrupt for UART
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	89 clrf EEADRH ; Point to Bank0 again
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	90 bcf rs232_recieve_overflow ; Clear Flag
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	91 bcf no_sensor_int ; Renable Sensor Interrupt
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	92 goto restart
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	93
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	94 internal_eeprom_access3: ; Overflow! Abort writing
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	95 movlw 0xFF
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	96 movwf TXREG ; Error Byte
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	97 bra internal_eeprom_access2a ; Quit
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	98
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	99 read_eeprom: ; reads from internal eeprom
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	100 bcf EECON1,EEPGD
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	101 bcf EECON1,CFGS
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	102 bsf EECON1,RD
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	103 return
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	104
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	105 write_eeprom: ; writes into internal eeprom
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	106 bcf EECON1,EEPGD
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	107 bcf EECON1,CFGS
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	108 bsf EECON1,WREN
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	109
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	110 bcf INTCON,GIE ; even the RTC will be delayed for the next 5 instructions...
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	111 movlw 0x55
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	112 movwf EECON2
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	113 movlw 0xAA
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	114 movwf EECON2
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	115 bsf EECON1,WR
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	116 bsf INTCON,GIE ; ...but the flag for the ISR routines were still set, so they will interrupt now!
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	117
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	118 write_eep2:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	119 btfsc EECON1,WR
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	120 bra write_eep2 ; wait about 4ms...
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	121 bcf EECON1,WREN
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	122 return
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	123
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	124 enable_rs232: ;IO Ports must be input in order to activate the module
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	125 bsf TRISC,6 ; TX Pin
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	126 bsf TRISC,7 ; RX Pin
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	127
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	128 movlw b'00100100' ; BRGH=1
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	129 movwf TXSTA
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	130 movlw b'10010000'
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	131 movwf RCSTA
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	132 movlw b'00001000'
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	133 movwf BAUDCON
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	134 clrf SPBRGH
463 86fc79735d3b Experimental 32MHz mode heinrichsweikamp parents: 284 diff changeset	135 movlw SPBRG_VALUE ; Take care of the baud rate when changing Fosc!
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	136 movwf SPBRG
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	137 clrf RCREG
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	138 clrf PIR1
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	139 bsf PIE1,RCIE ; enable interrupt for RS232
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	140 return
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	141
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	142 disable_rs232:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	143 clrf TXSTA
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	144 clrf RCSTA
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	145 bcf PIE1,RCIE ; disable interrupt for RS232
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	146 bcf TRISC,6 ; TX Pin
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	147 bcf TRISC,7 ; RX Pin
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	148 bcf PORTC,6 ; TX Pin
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	149 bcf PORTC,7 ; RX Pin
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	150 return
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	151
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	152 rs232_wait_tx:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	153 btfss RCSTA,SPEN ; Transmitter active?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	154 return ; No, return!
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	155 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	156 btfss TXSTA,TRMT ; RS232 Busy?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	157 bra rs232_wait_tx ; yes, wait...
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	158 return ; Done.
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	159
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	160
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	161 rs232_get_byte:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	162 bcf PIR1,RCIF ; clear flag
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	163 bcf rs232_recieve_overflow ; clear flag
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	164 clrf uart1_temp
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	165 rs232_get_byte2:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	166 clrf uart2_temp
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	167 rs232_get_byte3:
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	168 btfsc PIR1,RCIF ; data arrived?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	169 return ; data received
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	170
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	171 nop ; Wait 1us * 255 * 255 = 65ms+x Timeout/Byte
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	172 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	173 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	174 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	175 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	176 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	177 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	178 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	179 btfsc PIR1,RCIF ; data arrived?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	180 return
529 e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	181 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	182 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	183 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	184 nop
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	185 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	186 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	187 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	188 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	189 btfsc PIR1,RCIF ; data arrived?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	190 return
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	191 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	192 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	193 nop
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	194 nop
529 e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	195 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	196 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	197 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	198 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	199 btfsc PIR1,RCIF ; data arrived?
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	200 return
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	201 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	202 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	203 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	204 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	205 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	206 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	207 nop
e2acb601504c some cleanup heinrichsweikamp parents: 463 diff changeset	208 nop
0 96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	209 btfsc PIR1,RCIF ; data arrived?
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	210 return
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	211
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	212 decfsz uart2_temp,F
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	213 bra rs232_get_byte3
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	214 decfsz uart1_temp,F
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	215 bra rs232_get_byte2
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	216 ; timeout occoured (about 20ms)
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	217 bcf RCSTA,CREN ; Clear receiver status
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	218 bsf RCSTA,CREN
96a35aeda5f2 Initial setup heinrichsweikamp parents: diff changeset	219 bsf rs232_recieve_overflow ; set flag
283 4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	220 return ; and return anyway
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	221
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	222 uart_115k_bootloader:
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	223 bcf PIE1,RCIE ; disable interrupt for RS232
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	224 call PLED_ClearScreen ; Clear screen
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	225 movlw color_red
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	226 call PLED_set_color ; Set to Red
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	227 DISPLAYTEXTH d'302' ; Bootloader
537 3091628b2742 BUGFIX: Spurious logbook read issue heinrichsweikamp parents: 529 diff changeset	228 bcf RCSTA,CREN ; Clear receiver status
3091628b2742 BUGFIX: Spurious logbook read issue heinrichsweikamp parents: 529 diff changeset	229 bsf RCSTA,CREN
3091628b2742 BUGFIX: Spurious logbook read issue heinrichsweikamp parents: 529 diff changeset	230 bcf PIR1,RCIF ; clear flag
3091628b2742 BUGFIX: Spurious logbook read issue heinrichsweikamp parents: 529 diff changeset	231 movlw d'200' ; one second
284 908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	232 movwf uart1_temp
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	233 uart_115k_bootloader0:
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	234 btfsc PIR1,RCIF ; New byte in UART?
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	235 bra uart_115k_bootloader1 ; Yes, Check if 0xC1
537 3091628b2742 BUGFIX: Spurious logbook read issue heinrichsweikamp parents: 529 diff changeset	236 WAITMS d'5'
284 908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	237 decfsz uart1_temp,F
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	238 bra uart_115k_bootloader0
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	239 uart_115k_bootloader2:
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	240 DISPLAYTEXTH d'304' ; Aborted!
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	241 movlw d'8' ; Two seconds
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	242 movwf uart1_temp
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	243 uart_115k_bootloader3:
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	244 WAITMS d'250'
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	245 decfsz uart1_temp,F
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	246 bra uart_115k_bootloader3
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	247 goto restart
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	248
908d0013727e 115200 baud bootloader tested and debugged heinrichsweikamp parents: 283 diff changeset	249 uart_115k_bootloader1:
283 4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	250 movlw 0xC1
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	251 cpfseq RCREG ; 115200Baud Bootloader request?
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	252 bra uart_115k_bootloader2 ; No, Abort
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	253 DISPLAYTEXTH d'303' ; Yes, "Please wait!"
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	254 clrf INTCON ; Interrupts disabled
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	255 bcf PIR1,RCIF ; clear flag
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!) heinrichsweikamp parents: 50 diff changeset	256 goto 0x17F56 ; Enter straight into bootloader. Good luck!

Mercurial > public > mk2

annotate code_part1/OSTC_code_asm_part1/eeprom_rs232.asm @ 670:92e1690ecc84