X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=fx2lafw.c;h=73fbf2032239f0a84a1c900d0cbfe24b2f55f525;hb=3a7ae082fcdd2610bf936f8fddcc07e93aa1a0ec;hp=018f7604dbdf731f54c26a6fcbdbb09b4dde5bbb;hpb=7563058183da25d5d968f5e43d4d098b34871e36;p=sigrok-firmware-fx2lafw.git diff --git a/fx2lafw.c b/fx2lafw.c index 018f7604..73fbf203 100644 --- a/fx2lafw.c +++ b/fx2lafw.c @@ -28,10 +28,9 @@ * * - We use the FX2 in GPIF mode to sample the data (asynchronously). * - We use the internal 48MHz clock for GPIF. - * - The 8 channels/pins we sample (the GPIF data bus) are PB0-PB7. - * Support for 16 channels is not yet included, but might be added later. - * - Endpoint 2 is used for data transfers from FX2 to host. - * - The endpoint is quad-buffered. + * - The 8 channels/pins we sample (the GPIF data bus) are PB0-PB7, + * or PB0-PB7 + PD0-PD7 for 16-channel sampling. + * - Endpoint 2 (quad-buffered) is used for data transfers from FX2 to host. * * Documentation: * @@ -44,13 +43,12 @@ #include #include #include - #include #include #include /* ... */ -volatile bit got_sud; +volatile __bit got_sud; BYTE vendor_command; static void setup_endpoints(void) @@ -157,7 +155,7 @@ BOOL handle_set_interface(BYTE ifc, BYTE alt_ifc) /* We only support interface 0, alternate interface 0. */ if (ifc != 0 || alt_ifc != 0) return FALSE; - + /* Perform procedure from TRM, section 2.3.7: */ /* (1) TODO. */ @@ -165,17 +163,11 @@ BOOL handle_set_interface(BYTE ifc, BYTE alt_ifc) /* (2) Reset data toggles of the EPs in the interface. */ /* Note: RESETTOGGLE() gets the EP number WITH bit 7 set/cleared. */ RESETTOGGLE(0x82); -#ifdef DEBUG - RESETTOGGLE(0x86); -#endif /* (3) Restore EPs to their default conditions. */ /* Note: RESETFIFO() gets the EP number WITHOUT bit 7 set/cleared. */ RESETFIFO(0x02); /* TODO */ -#ifdef DEBUG - RESETFIFO(0x06); -#endif /* (4) Clear the HSNAK bit. Not needed, fx2lib does this. */ @@ -194,24 +186,24 @@ BOOL handle_set_configuration(BYTE cfg) return (cfg == 1) ? TRUE : FALSE; } -void sudav_isr(void) interrupt SUDAV_ISR +void sudav_isr(void) __interrupt SUDAV_ISR { got_sud = TRUE; CLEAR_SUDAV(); } -void sof_isr(void) interrupt SOF_ISR using 1 +void sof_isr(void) __interrupt SOF_ISR __using 1 { CLEAR_SOF(); } -void usbreset_isr(void) interrupt USBRESET_ISR +void usbreset_isr(void) __interrupt USBRESET_ISR { handle_hispeed(FALSE); CLEAR_USBRESET(); } -void hispeed_isr(void) interrupt HISPEED_ISR +void hispeed_isr(void) __interrupt HISPEED_ISR { handle_hispeed(TRUE); CLEAR_HISPEED();