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;****************************************************************************
;* *
;* ser-kernel.inc *
;* *
;* Serial communication API *
;* *
;* *
;* *
;*(C) 2003-2006, Ullrich von Bassewitz *
;* Rmerstrasse 52 *
;* D-70794 Filderstadt *
;*EMail: uz@cc65.org *
;* *
;* *
;*This software is provided 'as-is', without any expressed or implied *
;*warranty. In no event will the authors be held liable for any damages *
;*arising from the use of this software. *
;* *
;*Permission is granted to anyone to use this software for any purpose, *
;*including commercial applications, and to alter it and redistribute it *
;*freely, subject to the following restrictions: *
;* *
;*1. The origin of this software must not be misrepresented; you must not *
;* claim that you wrote the original software. If you use this software *
;* in a product, an acknowledgment in the product documentation would be *
;* appreciated but is not required. *
;*2. Altered source versions must be plainly marked as such, and must not *
;* be misrepresented as being the original software. *
;*3. This notice may not be removed or altered from any source *
;* distribution. *
;* *
;****************************************************************************
;------------------------------------------------------------------------------
; The driver header
.struct SER_HDR
ID .byte 3 ; Contains 0x73, 0x65, 0x72 ("ser")
VERSION .byte 1 ; Interface version
LIBREF .addr ; Library reference
JUMPTAB .struct
INSTALL .addr ; INSTALL routine
UNINSTALL .addr ; UNINSTALL routine
OPEN .addr ; OPEN routine
CLOSE .addr ; CLOSE routine
GET .addr ; GET routine
PUT .addr ; PUT routine
STATUS .addr ; STATUS routine
IOCTL .addr ; IOCTL routine
IRQ .addr ; IRQ routine
.endstruct
.endstruct
;------------------------------------------------------------------------------
; The SER API version, stored SER_HDR::VERSION
SER_API_VERSION = $02
;------------------------------------------------------------------------------
; ser_params
.struct SER_PARAMS
BAUDRATE .byte ; Baudrate
DATABITS .byte ; Number of data bits
STOPBITS .byte ; Number of stop bits
PARITY .byte ; Parity setting
HANDSHAKE .byte ; Type of handshake to use
.endstruct
;------------------------------------------------------------------------------
; Serial parameters
; Baudrate
SER_BAUD_45_5 = $00
SER_BAUD_50 = $01
SER_BAUD_75 = $02
SER_BAUD_110 = $03
SER_BAUD_134_5 = $04
SER_BAUD_150 = $05
SER_BAUD_300 = $06
SER_BAUD_600 = $07
SER_BAUD_1200 = $08
SER_BAUD_1800 = $09
SER_BAUD_2400 = $0A
SER_BAUD_3600 = $0B
SER_BAUD_4800 = $0C
SER_BAUD_7200 = $0D
SER_BAUD_9600 = $0E
SER_BAUD_19200 = $0F
SER_BAUD_38400 = $10
SER_BAUD_57600 = $11
SER_BAUD_115200 = $12
SER_BAUD_230400 = $13
SER_BAUD_31250 = $14
SER_BAUD_62500 = $15
SER_BAUD_56_875 = $16
; Data bit settings
SER_BITS_5 = $00
SER_BITS_6 = $01
SER_BITS_7 = $02
SER_BITS_8 = $03
; Stop bit settings
SER_STOP_1 = $00
SER_STOP_2 = $01
; Parity
SER_PAR_NONE = $00
SER_PAR_ODD = $01
SER_PAR_EVEN = $02
SER_PAR_MARK = $03
SER_PAR_SPACE = $04
; Handshake
SER_HS_NONE = $00 ; No handshake
SER_HS_HW = $01 ; Hardware (RTS/CTS) handshake
SER_HS_SW = $02 ; Software handshake
; Bit masks to mask out things from the status returned by ser_status
SER_STATUS_PE = $01 ; Parity error
SER_STATUS_FE = $02 ; Framing error
SER_STATUS_OE = $04 ; Overrun error
SER_STATUS_DCD = $20 ; NOT data carrier detect
SER_STATUS_DSR = $40 ; NOT data set ready
;------------------------------------------------------------------------------
; Variables
.global _ser_drv ; Pointer to driver
;------------------------------------------------------------------------------
; Driver entry points
.global ser_install
.global ser_uninstall
.global ser_open
.global ser_close
.global ser_get
.global ser_put
.global ser_status
.global ser_ioctl
.global ser_irq
;------------------------------------------------------------------------------
; C callable functions
.global _ser_load_driver
.global _ser_unload
.global _ser_install
.global _ser_uninstall
.global _ser_open
.global _ser_close
.global _ser_get
.global _ser_put
.global _ser_status
.global _ser_ioctl
.global _ser_clear_ptr
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