Mercurial > public > mk2
diff code_part1/OSTC_code_asm_part1/interface.asm @ 351:5c186a72cb5d 64kByte Logbook
Debugging the new logbook format, 64kB download routine
| author | heinrichsweikamp |
|---|---|
| date | Tue, 31 May 2011 22:09:17 +0200 |
| parents | 7250ca7c8d24 |
| children | ed26990716fe |
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--- a/code_part1/OSTC_code_asm_part1/interface.asm Tue May 31 19:43:29 2011 +0200 +++ b/code_part1/OSTC_code_asm_part1/interface.asm Tue May 31 22:09:17 2011 +0200 @@ -167,14 +167,16 @@ DISPLAYTEXT .18 ; "Header" - clrf uart1_temp ; low address counter - clrf uart2_temp ; high address counter + setf uart1_temp ; low address counter + setf uart2_temp ; high address counter menu_interface3: bsf SSPCON2,SEN ; Start condition call WaitMSSP - movlw b'10100110' ; Bit0=0: WRITE, Bit0=1: READ + movlw b'10101110' ; Bit0=0: WRITE, Bit0=1: READ, BLOCK2 + btfss eeprom_address+1,7 ; Access Block2? + movlw b'10100110' ; No, -> Bit0=0: WRITE, Bit0=1: READ, BLOCK1 movwf SSPBUF ; control byte call WaitMSSP btfsc SSPCON2,ACKSTAT @@ -189,7 +191,10 @@ bsf SSPCON2,RSEN ; Start condition call WaitMSSP - movlw b'10100111' ; Bit0=0: WRITE, Bit0=1: READ + movlw b'10101111' ; Bit0=0: WRITE, Bit0=1: READ, BLOCK2 + btfss eeprom_address+1,7 ; Access Block2? + movlw b'10100111' ; No, -> Bit0=0: WRITE, Bit0=1: READ, BLOCK1 + movwf SSPBUF ; control byte call WaitMSSP call I2C_WaitforACK @@ -199,78 +204,20 @@ menu_interface2: call rs232_wait_tx ; wait for UART - bsf SSPCON2, RCEN ; Enable recieve mode - call WaitMSSP - - movff SSPBUF, TXREG - movlw d'1' addwf uart1_temp,F movlw d'0' addwfc uart2_temp,F - btfsc uart2_temp,7 ; 32KB done? - bra menu_interface4 ; Yes - - bsf SSPCON2, ACKEN ; Ack - call WaitMSSP - bra menu_interface2 ; go on - -menu_interface4: - bsf SSPCON2, PEN ; Stop - call WaitMSSP - - - clrf uart1_temp ; low address counter - clrf uart2_temp ; high address counter - -menu_interface5: ;Send another 32kB from Block2.... - bsf SSPCON2,SEN ; Start condition - call WaitMSSP - - movlw b'10101110' ; Bit0=0: WRITE, Bit0=1: READ - movwf SSPBUF ; control byte - call WaitMSSP - btfsc SSPCON2,ACKSTAT - bra menu_interface5 ; No Ack, try again! - - movff eeprom_address+1,SSPBUF ; High Address byte - call WaitMSSP - call I2C_WaitforACK - movff eeprom_address+0,SSPBUF ; Low Address byte - call WaitMSSP - call I2C_WaitforACK - bsf SSPCON2,RSEN ; Start condition - call WaitMSSP - - movlw b'10101111' ; Bit0=0: WRITE, Bit0=1: READ - movwf SSPBUF ; control byte - call WaitMSSP - call I2C_WaitforACK - -menu_interface6: - call rs232_wait_tx ; wait for UART - - bsf SSPCON2, RCEN ; Enable recieve mode - call WaitMSSP - +; Slow but safe... + call I2CREAD2 ; same as I2CREAD but with automatic address increase movff SSPBUF, TXREG - movlw d'1' - addwf uart1_temp,F - movlw d'0' - addwfc uart2_temp,F - - btfsc uart2_temp,7 ; 32KB done? - bra menu_interface7 ; Yes - - bsf SSPCON2, ACKEN ; Ack - call WaitMSSP - bra menu_interface6 ; go on - -menu_interface7: - bsf SSPCON2, PEN ; Stop - call WaitMSSP + movlw 0xFF + cpfseq uart2_temp ;=0xFFFF? + bra menu_interface2 ; No, continue + cpfseq uart1_temp ;=0xFFFF? + bra menu_interface2 ; No, continue DISPLAYTEXT .20 ; Done.