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RomWBW/Source/HBIOS/ch376-native/base-drv/protocol.c.s

493 lines
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;
; Generated from source-doc/base-drv/protocol.c.asm -- not to be modify directly
;
;
;--------------------------------------------------------
; File Created by SDCC : free open source ISO C Compiler
; Version 4.4.0 #14648 (Linux)
;--------------------------------------------------------
; Processed by Z88DK
;--------------------------------------------------------
;--------------------------------------------------------
; Public variables in this module
;--------------------------------------------------------
;--------------------------------------------------------
; Externals used
;--------------------------------------------------------
;--------------------------------------------------------
; special function registers
;--------------------------------------------------------
_CH376_DATA_PORT .EQU 0xff88
_CH376_COMMAND_PORT .EQU 0xff89
_USB_MODULE_LEDS .EQU 0xff8a
;--------------------------------------------------------
; ram data
;--------------------------------------------------------
;--------------------------------------------------------
; ram data
;--------------------------------------------------------
#IF 0
; .area _INITIALIZED removed by z88dk
#ENDIF
;--------------------------------------------------------
; absolute external ram data
;--------------------------------------------------------
;--------------------------------------------------------
; global & static initialisations
;--------------------------------------------------------
;--------------------------------------------------------
; Home
;--------------------------------------------------------
;--------------------------------------------------------
; code
;--------------------------------------------------------
;source-doc/base-drv/protocol.c:25: *
; ---------------------------------
; Function usbtrn_get_descriptor
; ---------------------------------
_usbtrn_get_descriptor:
push ix
ld ix,0
add ix,sp
ld hl, -8
add hl, sp
ld sp, hl
;source-doc/base-drv/protocol.c:27: * @return usb_error USB_ERR_OK if all good, otherwise specific error code
ld hl,0
add hl, sp
ex de, hl
ld bc,0x0008
ld hl,_cmd_get_device_descriptor
ldir
;source-doc/base-drv/protocol.c:28: */
ld (ix-2),0x08
xor a
ld (ix-1),a
;source-doc/base-drv/protocol.c:30: setup_packet cmd;
ld c,(ix+4)
ld b,(ix+5)
ld e, c
ld d, b
push bc
ld a,0x08
push af
inc sp
xor a
push af
inc sp
push de
ld hl,6
add hl, sp
push hl
call _usb_control_transfer
pop af
pop af
pop af
pop bc
ld a, l
ld (_result), a
;source-doc/base-drv/protocol.c:32: cmd.wLength = 8;
ld a,(_result)
or a
jr NZ,l_usbtrn_get_descriptor_00103
;source-doc/base-drv/protocol.c:34: result = usb_control_transfer(&cmd, (uint8_t *)buffer, 0, 8);
ld hl,0
add hl, sp
ex de, hl
push bc
ld bc,0x0008
ld hl,_cmd_get_device_descriptor
ldir
pop bc
;source-doc/base-drv/protocol.c:35:
ld (ix-2),0x12
xor a
ld (ix-1),a
;source-doc/base-drv/protocol.c:36: CHECK(result);
ld e,(ix+4)
ld d,(ix+5)
ld hl,7
add hl, de
ld a, (hl)
push af
inc sp
xor a
push af
inc sp
push bc
ld hl,4
add hl, sp
push hl
call _usb_control_transfer
pop af
pop af
pop af
ld a, l
ld (_result), a
;source-doc/base-drv/protocol.c:38: cmd = cmd_get_device_descriptor;
;source-doc/base-drv/protocol.c:40: result = usb_control_transfer(&cmd, (uint8_t *)buffer, 0, buffer->bMaxPacketSize0);
l_usbtrn_get_descriptor_00103:
;source-doc/base-drv/protocol.c:41:
ld hl,(_result)
;source-doc/base-drv/protocol.c:42: RETURN_CHECK(result);
ld sp, ix
pop ix
ret
_cmd_get_device_descriptor:
DEFB +0x80
DEFB +0x06
DEFB +0x00
DEFB +0x01
DEFB +0x00
DEFB +0x00
DEFW +0x0008
;source-doc/base-drv/protocol.c:46: }
; ---------------------------------
; Function usbtrn_get_descriptor2
; ---------------------------------
_usbtrn_get_descriptor2:
push ix
ld ix,0
add ix,sp
ld hl, -8
add hl, sp
ld sp, hl
;source-doc/base-drv/protocol.c:48: /**
ld hl,0
add hl, sp
ex de, hl
ld bc,0x0008
ld hl,_cmd_get_device_descriptor
ldir
;source-doc/base-drv/protocol.c:49: * @brief Issue GET_DESCRIPTOR request to retrieve the device descriptor for usb device at the specified address
ld (ix-2),0x08
xor a
ld (ix-1),a
;source-doc/base-drv/protocol.c:51: * @param buffer the buffer to store the device descriptor in
ld c,(ix+4)
ld b,(ix+5)
ld e, c
ld d, b
push bc
ld h,0x08
ld l,(ix+6)
push hl
push de
ld hl,6
add hl, sp
push hl
call _usb_control_transfer
pop af
pop af
pop af
pop bc
ld a, l
ld (_result), a
;source-doc/base-drv/protocol.c:53: */
ld a,(_result)
or a
jr NZ,l_usbtrn_get_descriptor2_00103
;source-doc/base-drv/protocol.c:55: setup_packet cmd;
ld hl,0
add hl, sp
ex de, hl
push bc
ld bc,0x0008
ld hl,_cmd_get_device_descriptor
ldir
pop bc
;source-doc/base-drv/protocol.c:56: cmd = cmd_get_device_descriptor;
ld (ix-2),0x12
xor a
ld (ix-1),a
;source-doc/base-drv/protocol.c:57: cmd.wLength = 8;
ld e,(ix+4)
ld d,(ix+5)
ld hl,7
add hl, de
ld h,(hl)
ld l,(ix+6)
push hl
push bc
ld hl,4
add hl, sp
push hl
call _usb_control_transfer
pop af
pop af
pop af
ld a, l
ld (_result), a
;source-doc/base-drv/protocol.c:58:
l_usbtrn_get_descriptor2_00103:
;source-doc/base-drv/protocol.c:59: result = usb_control_transfer(&cmd, (uint8_t *)buffer, device_address, 8);
ld hl,(_result)
;source-doc/base-drv/protocol.c:60:
ld sp, ix
pop ix
ret
;source-doc/base-drv/protocol.c:66: done:
; ---------------------------------
; Function usbtrn_set_address
; ---------------------------------
_usbtrn_set_address:
push ix
ld ix,0
add ix,sp
push af
push af
push af
push af
ld c, l
;source-doc/base-drv/protocol.c:68: }
ld hl,0
add hl, sp
ex de, hl
push bc
ld bc,0x0008
ld hl,_cmd_set_device_address
ldir
pop bc
;source-doc/base-drv/protocol.c:69:
ld (ix-6),c
;source-doc/base-drv/protocol.c:71:
xor a
push af
inc sp
xor a
push af
inc sp
ld hl,0x0000
push hl
ld hl,4
add hl, sp
push hl
call _usb_control_transfer
;source-doc/base-drv/protocol.c:72: /**
ld sp,ix
pop ix
ret
_cmd_set_device_address:
DEFB +0x00
DEFB +0x05
DEFB +0x00
DEFB +0x00
DEFB +0x00
DEFB +0x00
DEFW +0x0000
;source-doc/base-drv/protocol.c:78: usb_error usbtrn_set_address(const uint8_t device_address) __z88dk_fastcall {
; ---------------------------------
; Function usbtrn_set_configuration
; ---------------------------------
_usbtrn_set_configuration:
push ix
ld ix,0
add ix,sp
ld hl, -8
add hl, sp
ld sp, hl
;source-doc/base-drv/protocol.c:80: cmd = cmd_set_device_address;
ld hl,0
add hl, sp
ld e,l
ld d,h
push hl
ld bc,0x0008
ld hl,_cmd_set_configuration
ldir
pop bc
;source-doc/base-drv/protocol.c:81: cmd.bValue[0] = device_address;
ld a,(ix+6)
ld (ix-6),a
;source-doc/base-drv/protocol.c:83: return usb_control_transfer(&cmd, 0, 0, 0);
ld h,(ix+5)
ld l,(ix+4)
push hl
ld hl,0x0000
push hl
push bc
call _usb_control_transfer
;source-doc/base-drv/protocol.c:84: }
ld sp,ix
pop ix
ret
_cmd_set_configuration:
DEFB +0x00
DEFB +0x09
DEFB +0x00
DEFB +0x00
DEFB +0x00
DEFB +0x00
DEFW +0x0000
;source-doc/base-drv/protocol.c:90: *
; ---------------------------------
; Function usbtrn_get_config_descriptor
; ---------------------------------
_usbtrn_get_config_descriptor:
push ix
ld ix,0
add ix,sp
ld hl, -8
add hl, sp
ld sp, hl
;source-doc/base-drv/protocol.c:96: cmd = cmd_set_configuration;
ld hl,0
add hl, sp
ld e,l
ld d,h
push hl
ld bc,0x0008
ld hl,_cmd_get_config_descriptor
ldir
pop bc
;source-doc/base-drv/protocol.c:97: cmd.bValue[0] = configuration;
ld a,(ix+6)
ld (ix-6),a
;source-doc/base-drv/protocol.c:98:
ld e,(ix+7)
ld (ix-2),e
ld (ix-1),0x00
;source-doc/base-drv/protocol.c:100: }
ld e,(ix+4)
ld d,(ix+5)
ld h,(ix+9)
ld l,(ix+8)
push hl
push de
push bc
call _usb_control_transfer
;source-doc/base-drv/protocol.c:101:
ld sp,ix
pop ix
ret
_cmd_get_config_descriptor:
DEFB +0x80
DEFB +0x06
DEFB +0x00
DEFB +0x02
DEFB +0x00
DEFB +0x00
DEFW +0x0000
;source-doc/base-drv/protocol.c:103:
; ---------------------------------
; Function usbtrn_gfull_cfg_desc
; ---------------------------------
_usbtrn_gfull_cfg_desc:
push ix
ld ix,0
add ix,sp
;source-doc/base-drv/protocol.c:110: * @param device_address the usb address of the device
ld c,(ix+8)
ld b,(ix+9)
push bc
ld a,(ix+6)
push af
inc sp
ld d,(ix+5)
ld e,0x09
push de
ld a,(ix+4)
push af
inc sp
push bc
call _usbtrn_get_config_descriptor
pop af
pop af
pop af
pop bc
ld a, l
ld (_result), a
ld a,(_result)
or a
jr NZ,l_usbtrn_gfull_cfg_desc_00107
;source-doc/base-drv/protocol.c:112: * @return usb_error USB_ERR_OK if all good, otherwise specific error code
ld l, c
ld h, b
inc hl
inc hl
ld d, (hl)
;source-doc/base-drv/protocol.c:113: */
ld a,(ix+7)
sub d
jr NC,l_usbtrn_gfull_cfg_desc_00104
;source-doc/base-drv/protocol.c:114: usb_error usbtrn_get_config_descriptor(config_descriptor *const buffer,
ld d,(ix+7)
l_usbtrn_gfull_cfg_desc_00104:
;source-doc/base-drv/protocol.c:116: const uint8_t buffer_size,
ld h,(ix+6)
ld l,(ix+5)
push hl
ld e,(ix+4)
push de
push bc
call _usbtrn_get_config_descriptor
pop af
pop af
pop af
ld a, l
ld (_result), a
ld a,(_result)
;source-doc/base-drv/protocol.c:118: const uint8_t max_packet_size) {
or a
jr NZ,l_usbtrn_gfull_cfg_desc_00107
ld l,a
jr l_usbtrn_gfull_cfg_desc_00108
;source-doc/base-drv/protocol.c:119: setup_packet cmd;
l_usbtrn_gfull_cfg_desc_00107:
;source-doc/base-drv/protocol.c:120: cmd = cmd_get_config_descriptor;
ld hl,(_result)
l_usbtrn_gfull_cfg_desc_00108:
;source-doc/base-drv/protocol.c:121: cmd.bValue[0] = config_index;
pop ix
ret
;source-doc/base-drv/protocol.c:125: }
; ---------------------------------
; Function usbtrn_clear_endpoint_halt
; ---------------------------------
_usbtrn_clear_endpoint_halt:
push ix
ld ix,0
add ix,sp
ld hl, -8
add hl, sp
ld sp, hl
;source-doc/base-drv/protocol.c:127: usb_error usbtrn_gfull_cfg_desc(const uint8_t config_index,
ld hl,0
add hl, sp
ld e,l
ld d,h
push hl
ld bc,0x0008
ld hl,_usb_cmd_clear_endpoint_halt
ldir
pop bc
;source-doc/base-drv/protocol.c:128: const uint8_t device_address,
ld a,(ix+4)
ld (ix-4),a
;source-doc/base-drv/protocol.c:130: const uint8_t max_buffer_size,
ld h,(ix+6)
ld l,(ix+5)
push hl
ld hl,0x0000
push hl
push bc
call _usb_control_transfer
;source-doc/base-drv/protocol.c:131: uint8_t *const buffer) {
ld sp,ix
pop ix
ret
_usb_cmd_clear_endpoint_halt:
DEFB +0x02
DEFB +0x01
DEFB +0x00
DEFB +0x00
DEFB +0xff
DEFB +0x00
DEFW +0x0000