/* ... */
volatile bit got_sud;
+BYTE vendor_command;
static void setup_endpoints(void)
{
EP2CFG = (1 << 7) | /* EP is valid/activated */
(1 << 6) | /* EP direction: IN */
(1 << 5) | (0 << 4) | /* EP Type: bulk */
- (0 << 3) | /* EP buffer size: 512 */
+ (1 << 3) | /* EP buffer size: 1024 */
(0 << 2) | /* Reserved. */
(0 << 1) | (0 << 0); /* EP buffering: quad buffering */
SYNCDELAY();
- /* Setup EP6 (IN) in the debug build. */
-#ifdef DEBUG
- EP6CFG = (1 << 7) | /* EP is valid/activated */
- (1 << 6) | /* EP direction: IN */
- (1 << 5) | (0 << 4) | /* EP Type: bulk */
- (0 << 3) | /* EP buffer size: 512 */
- (0 << 2) | /* Reserved */
- (1 << 1) | (0 << 0); /* EP buffering: double buffering */
-#else
- EP6CFG &= ~bmVALID;
-#endif
- SYNCDELAY();
-
- /* Disable all other EPs (EP1, EP4, and EP8). */
+ /* Disable all other EPs (EP1, EP4, EP6, and EP8). */
EP1INCFG &= ~bmVALID;
SYNCDELAY();
EP1OUTCFG &= ~bmVALID;
SYNCDELAY();
EP4CFG &= ~bmVALID;
SYNCDELAY();
+ EP6CFG &= ~bmVALID;
+ SYNCDELAY();
EP8CFG &= ~bmVALID;
SYNCDELAY();
/* EP2: Reset the FIFOs. */
/* Note: RESETFIFO() gets the EP number WITHOUT bit 7 set/cleared. */
RESETFIFO(0x02)
-#ifdef DEBUG
- /* Reset the FIFOs of EP6 when in debug mode. */
- RESETFIFO(0x06)
-#endif
/* EP2: Enable AUTOIN mode. Set FIFO width to 8bits. */
- EP2FIFOCFG = bmAUTOIN | ~bmWORDWIDE;
+ EP2FIFOCFG = bmAUTOIN;
SYNCDELAY();
/* EP2: Auto-commit 512 (0x200) byte packets (due to AUTOIN = 1). */
SYNCDELAY();
}
+static void send_fw_version(void)
+{
+ /* Populate the buffer. */
+ struct version_info *const vi = (struct version_info *)EP0BUF;
+ vi->major = FX2LAFW_VERSION_MAJOR;
+ vi->minor = FX2LAFW_VERSION_MINOR;
+
+ /* Send the message. */
+ EP0BCH = 0;
+ EP0BCL = sizeof(struct version_info);
+}
+
BOOL handle_vendorcommand(BYTE cmd)
{
/* Protocol implementation */
-
switch (cmd) {
case CMD_START:
- gpif_acquisition_start();
- return TRUE;
- case CMD_STOP:
- GPIFABORT = 0xff;
- /* TODO */
+ vendor_command = cmd;
+ EP0BCL = 0;
return TRUE;
break;
case CMD_GET_FW_VERSION:
- /* TODO */
- break;
- default:
- /* Unimplemented command. */
+ send_fw_version();
+ return TRUE;
break;
}
REVCTL = bmNOAUTOARM | bmSKIPCOMMIT;
got_sud = FALSE;
+ vendor_command = 0;
/* Renumerate. */
RENUMERATE_UNCOND();
gpif_init_la();
}
-void fx2lafw_run(void)
+void fx2lafw_poll(void)
{
if (got_sud) {
handle_setupdata();
got_sud = FALSE;
}
+
+ if (vendor_command) {
+ switch (vendor_command) {
+ case CMD_START:
+ if ((EP0CS & bmEPBUSY) != 0)
+ break;
+
+ if (EP0BCL == 2) {
+ gpif_acquisition_start(
+ (const struct cmd_start_acquisition *)EP0BUF);
+ }
+
+ /* Acknowledge the vendor command. */
+ vendor_command = 0;
+ break;
+ default:
+ /* Unimplemented command. */
+ vendor_command = 0;
+ break;
+ }
+ }
+
+ gpif_poll();
+}
+
+void main(void)
+{
+ fx2lafw_init();
+ while (1)
+ fx2lafw_poll();
}