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comparison src/i2c.asm @ 200:dcd513840c6c

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cleanup
author heinrichsweikamp
date Wed, 12 Nov 2014 19:33:15 +0100
parents 30ebaf72170d
children 4147cd5c0c8e
comparison
equal deleted inserted replaced
199:800f09c9089c 200:dcd513840c6c
18 18
19 #include "ostc3.inc" ; Mandatory header 19 #include "ostc3.inc" ; Mandatory header
20 #include "wait.inc" 20 #include "wait.inc"
21 #include "math.inc" 21 #include "math.inc"
22 22
23 #DEFINE battery_offset .27302 ; 65536-(3,25Ah/0,085mAh) 23 #DEFINE battery_offset .29065 ; 65536-(3,1Ah/0,085mAh)
24 #DEFINE battery_devider .382 ; 3,25Ah/0,085mAh/100 [%] 24 #DEFINE battery_devider .365 ; 3,1Ah/0,085mAh/100 [%]
25 25
26 i2c CODE 26 i2c CODE
27 27
28 WaitMSSP: 28 WaitMSSP:
29 decfsz i2c_temp,F ; check for timeout during I2C action 29 decfsz i2c_temp,F ; check for timeout during I2C action
401 rcall WaitMSSP 401 rcall WaitMSSP
402 return 402 return
403 403
404 global lt2942_get_status 404 global lt2942_get_status
405 lt2942_get_status: ; Read status register 405 lt2942_get_status: ; Read status register
406 bcf c3_hardware ; Clear flag 406 bcf cr_hardware ; Clear flag
407 clrf i2c_temp 407 clrf i2c_temp
408 movlw 0x00 ; Point to Status reg 408 movlw 0x00 ; Point to Status reg
409 call I2C_TX_GAUGE 409 call I2C_TX_GAUGE
410 call I2C_RX_GAUGE 410 call I2C_RX_GAUGE
411 movff SSP1BUF,WREG 411 movff SSP1BUF,WREG
412 btfss WREG,7 ; 2942 found? 412 btfss WREG,7 ; 2942 found?
413 bsf c3_hardware ; Yes, set flag 413 bsf cr_hardware ; Yes, set flag
414 bsf SSP1CON2,PEN ; Stop condition 414 bsf SSP1CON2,PEN ; Stop condition
415 rcall WaitMSSP 415 rcall WaitMSSP
416 return 416 return
417 417
418 418