; You should have received a copy of the GNU General Public License
; along with avrcpm. If not, see <http://www.gnu.org/licenses/>.
;
-; $Id$
+; $Id: virt_ports.asm 242 2015-12-11 16:05:52Z rapid $
;
;------------------------ Virtual I2C interface --------------------------
;05 5 out - Control Port: 1 = Start read operation
; 2 = Start write operation
-;05 5 in - Status of last Transfer: 0 = ok, else fail
+; 3 = Write 1 byte subaddress, then read
+;05 5 in - Status of last Transfer
;06 6 in/out - Number of bytes to transfer, including Slave address
;07,08 7,8 in/out - Read/Write address low/high
;
+;------------------------ Debugging --------------------------------------
+;09 out - MEM dump: Number of bytes to print
+;0A,0B in/out - MEM dump: Start address
+;
+;------------------------ Version Information ----------------------------
+;0C out - 1 = Read VMAJOR
+; 2 = Read VMINOR
+; 4 = Read Version String
+;
;------------------------ Disk I/O ---------------------------------------
;0D,0E 13,14 in/out - Set address of Bios Controll Block
;0F 15 in/out - Disk select
;40 64-71 in/out - Timer/Clock control.
;41-46
;
-;47-4D clock - BCD format: ss, mm, hh, DD, MM, YYl, YYh
+;47-4D in/out - clock in BCD format: ss, mm, hh, DD, MM, YYl, YYh
+;
+;------------------------ Debugging --------------------------------------
+;4F out - Debug: start/stop trace, print stack, ...
;
-;4F debug - start/stop trace, print stack, ...
+;------------------------ ISC16IS740 UART --------------------------------
+;50 RHR in Receive Holding
+;50 THR out Transmit Holding
+;51 IER in/out Interrupt Enable
+;52 IIR in Interrupt Identification
+;52 FCR out FIFO Control
+;53 LCR in/out Line Control
+;54 MCR in/out Modem Control
+;55 LSR in Line Status
+;56 MSR in Modem Status
+;57 SPR in/out Scratchpad
+;56 TCR in/out Transmission Control
+;57 TLR in/out Trigger Level
+;58 TXLVL in Transmit FIFO Level
+;59 RXLVL in Receive FIFO Level
+;5F EFCR in/out Extra Features
+;50 DLL in/out divisor latch LSB
+;51 DLH in/out divisor latch MSB
+;52 EFR in/out Enhanced Feature
+;54 XON1 in/out Xon1 word
+;55 XON2 in/out Xon2 word
+;56 XOFF1 in/out Xoff1 word
+;57 XOFF2 in/out Xoff2 word
;
;------------------------ Ports ------------------------------------------
;80-87 in/out - Port-Expander PCF8574 (max. 8 Chips)
.dw clockget
.dw clockput
- .db DEBUGPORT,1
- .dw dbg_stat
- .dw dbg_ctrl
-
#if I2C_SUPPORT
.db I2CCTRL,1
.dw vi2c_stat_get
.dw vi2c_param_get
.dw vi2c_param_set
+#if I2C_UART_SUPPORT
+ .db I2C_UART,16
+ .dw SC16IS740_in
+ .dw SC16IS740_out
+#endif
+
.db PORT,8
.dw pcf8574_in
.dw pcf8574_out
.dw adc_readvcc
.dw vport_out_dummy
#endif
+ .db DEBUGPORT,1
+ .dw dbg_stat
+ .dw dbg_ctrl
+
+.if MEMDUMP_DEBUG
+ .db MEMDUMPPORT,3
+ .dw dbg_dump_rd
+ .dw dbg_dump
+.endif
+ .db 0x0C,1
+ .dw version_get
+ .dw version_ctrl
+
.db 0,0 ; Stop mark
;---------------------------------------------------------------------
ret
+;---------------------------------------------------------------------
+
dbgOut:
printnewline
printstring "Debug: "
.endif
ret
+;---------------------------------------------------------------------
+
+.if MEMDUMP_DEBUG
+
+ .dseg
+
+dbg_dump_addr:
+ .byte 2
+
+
+ .cseg
+
+dbg_dump_rd:
+ cpse temp3,_0
+ rjmp dbg_dump_rdad
+ ldi temp,0
+ ret
+
+dbg_dump_rdad:
+ dec temp3
+ brne dbg_dump_rdad1
+ lds temp,dbg_dump_addr+0
+ ret
+dbg_dump_rdad1:
+ lds temp,dbg_dump_addr+1
+ ret
+
+
+dbg_dump:
+ cpse temp3,_0
+ rjmp dbg_dump_store
+
+ mov temp3,temp
+ ldsw z,dbg_dump_addr
+
+ tst temp3
+ breq dbg_dumpl_1
+dbg_dumpl:
+ cpi temp3,16
+ brlo dbg_dump_u16
+dbg_dumpl_1:
+ lcall dbg_hexdump_line
+ subi temp3,16
+ adiw z,16
+ rjmp dbg_dumpl
+
+dbg_dump_u16:
+ tst temp3
+ breq dbg_dump_e
+ mov temp2,temp3
+ lcall dbg_hexdump
+dbg_dump_e:
+ ret
+
+dbg_dump_store:
+ dec temp3
+ brne dbg_dump_st1
+ sts dbg_dump_addr+0,temp
+ ret
+dbg_dump_st1:
+ sts dbg_dump_addr+1,temp
+ ret
+
+.endif
+
+;---------------------------------------------------------------------
+
+ .dseg
+vers_cmd:
+ .byte 1
+vers_pstr:
+ .byte 2
+
+ .cseg
+version_ctrl:
+ sts vers_cmd,temp
+ cpi temp,4
+ brne vc_e
+
+ ldiw z,version_string*2
+ stsw vers_pstr,z
+vc_e:
+ ret
+
+version_get:
+ lds temp2,vers_cmd
+ ldi temp,0
+ cpi temp2,0
+ breq vc_g_e
+ ldi temp,VMAJOR
+ cpi temp2,1
+ breq vc_g_e
+ ldi temp,VMINOR
+ cpi temp2,2
+ breq vc_g_e
+ ldi temp,0xFF
+ cpi temp2,4
+ brne vc_g_e
+
+ ldsw z,vers_pstr
+ lpm temp,z+
+ tst temp
+ breq vc_g_e
+ stsw vers_pstr,z
+
+vc_g_e:
+ ret
;---------------------------------------------------------------------
projects / avrcpm.git / blobdiff