X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=fx2lafw.c;h=e376443a3d527b45fc1629a7f3d829fb813f12e8;hb=c7e02d8c24b6f89a274b33300dd47925f5ffb69f;hp=f0590b3fdc0ca4417b936d2f1b26707646207a1c;hpb=cd29817daca53a88fd252198a90d7e806553d4d3;p=sigrok-firmware-fx2lafw.git diff --git a/fx2lafw.c b/fx2lafw.c index f0590b3f..e376443a 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) @@ -107,6 +105,19 @@ static void send_fw_version(void) EP0BCL = sizeof(struct version_info); } +static void send_revid_version(void) +{ + uint8_t *p; + + /* Populate the buffer. */ + p = (uint8_t *)EP0BUF; + *p = REVID; + + /* Send the message. */ + EP0BCH = 0; + EP0BCL = 1; +} + BOOL handle_vendorcommand(BYTE cmd) { /* Protocol implementation */ @@ -120,6 +131,10 @@ BOOL handle_vendorcommand(BYTE cmd) send_fw_version(); return TRUE; break; + case CMD_GET_REVID_VERSION: + send_revid_version(); + return TRUE; + break; } return FALSE; @@ -140,7 +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. */ @@ -177,24 +192,24 @@ 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(); @@ -244,7 +259,7 @@ void fx2lafw_poll(void) if ((EP0CS & bmEPBUSY) != 0) break; - if (EP0BCL == 2) { + if (EP0BCL == sizeof(struct cmd_start_acquisition)) { gpif_acquisition_start( (const struct cmd_start_acquisition *)EP0BUF); }