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Duodyne Work in Progress

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- Updated DMA Driver
- Updated PCF I2C Driver
This commit is contained in:
Wayne Warthen
2023-08-02 13:21:52 -07:00
parent d1a5c66147
commit 7835eb5deb
34 changed files with 248 additions and 149 deletions
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32
Source/Apps/Test/I2C/i2cscan.asm
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@@ -5,12 +5,13 @@
; MARCO MACCAFERRI, HTTPS://WWW.MACCASOFT.COM
; HBIOS VERSION BY PHIL SUMMERS (B1ACKMAILER) DIFFICULTLEVELHIGH@GMAIL.COM
;
PCF .EQU 1
P8X180 .EQU 0
SC126 .EQU 0
SC137 .EQU 0
PCFECB .EQU 0
PCFDUO .EQU 1
P8X180 .EQU 0
SC126 .EQU 0
SC137 .EQU 0
;
#IF (PCF)
#IF (PCFECB)
I2C_BASE .EQU 0F0H
PCF_ID .EQU 0AAH
CPU_CLK .EQU 12
@@ -20,6 +21,16 @@ PCF_RS1 .EQU PCF_RS0+1
PCF_OWN .EQU (PCF_ID >> 1) ; PCF'S ADDRESS IN SLAVE MODE
#ENDIF
;
#IF (PCFDUO)
I2C_BASE .EQU 056H
PCF_ID .EQU 0AAH
CPU_CLK .EQU 12
;
PCF_RS0 .EQU I2C_BASE
PCF_RS1 .EQU PCF_RS0+1
PCF_OWN .EQU (PCF_ID >> 1) ; PCF'S ADDRESS IN SLAVE MODE
#ENDIF
;
#IF (P8X180)
I2C_BASE .EQU 0A0h
_sda .EQU 0
@@ -153,8 +164,11 @@ lp5f: ld a,(addr) ; next address
jp 0
signon: .db "I2C Bus Scanner"
#IF (PCF)
.DB " - PCF8584"
#IF (PCFECB)
.DB " - PCF8584 (ECB)"
#ENDIF
#IF (PCFDUO)
.DB " - PCF8584 (Duodyne)"
#ENDIF
#IF (SC126)
.DB " - SC126"
@@ -219,7 +233,7 @@ _cout: ; character
ret
;-----------------------------------------------------------------------------
#IF (PCF)
#IF (PCFECB | PCFDUO)
_i2c_start:
PCF_START:
LD A,PCF_START_
@@ -418,7 +432,7 @@ PCF_PINFAIL .DB "PIN FAIL$"
PCF_BBFAIL .DB "BUS BUSY$"
;
;-----------------------------------------------------------------------------
#IF (PCF)
#IF (PCFECB | PCFDUO)
_i2c_stop:
PCF_STOP:
LD A,PCF_STOP_ ; issue