diff options
Diffstat (limited to 'usbdux')
| -rw-r--r-- | usbdux/usbduxsigma_firmware.asm | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/usbdux/usbduxsigma_firmware.asm b/usbdux/usbduxsigma_firmware.asm index 90998a0..0bdadc2 100644 --- a/usbdux/usbduxsigma_firmware.asm +++ b/usbdux/usbduxsigma_firmware.asm @@ -20,8 +20,8 @@ ; Firmware: usbduxsigma_firmware.asm for usbduxsigma.c ; Description: University of Stirling USB DAQ & INCITE Technology Limited ; Devices: [ITL] USB-DUX-SIGMA (usbduxsigma.ko) -; Author: Bernd Porr <Bernd.Porr@f2s.com> -; Updated: 19 Jul 2015 +; Author: Bernd Porr <mail@berndporr.me.uk> +; Updated: 20 Jul 2015 ; Status: testing ; ;;; @@ -129,7 +129,6 @@ ep0ack_isr: spare_isr: ep0in_isr: ep0out_isr: -ep1in_isr: ibn_isr: ep0ping_isr: ep1ping_isr: @@ -169,6 +168,49 @@ ep4_isr: reti + +ep1in_isr: + push dps + push dpl + push dph + push dpl1 + push dph1 + push acc + push psw + + mov dptr,#0E7C0h ; EP1in + mov a,IOB ; get DIO D + movx @dptr,a ; store it + inc dptr ; next byte + mov a,IOC ; get DIO C + movx @dptr,a ; store it + inc dptr ; next byte + mov a,IOD ; get DIO B + movx @dptr,a ; store it + inc dptr ; next byte + mov a,#0 ; just zero + movx @dptr,a ; pad it up + + ;; clear INT2 + mov a,EXIF ; FIRST clear the USB (INT2) interrupt request + clr acc.4 + mov EXIF,a ; Note: EXIF reg is not 8051 bit-addressable + + mov DPTR,#EPIRQ ; + mov a,#00000100b ; clear the ep1in + movx @DPTR,a + + pop psw + pop acc + pop dph1 + pop dpl1 + pop dph + pop dpl + pop dps + reti + + + ;;; this is triggered when DRY goes low isr0: push dps @@ -476,11 +518,11 @@ initeps: ;; enable interrupts mov dptr,#EPIE ; interrupt enable - mov a,#10001000b ; enable irq for ep1out,8 + mov a,#10001100b ; enable irq for ep1out,8,ep1in movx @dptr,a ; do it mov dptr,#EPIRQ ; clear IRQs - mov a,#10001000b + mov a,#10001100b movx @dptr,a mov DPTR,#USBIE ; USB int enables register |