add lots of debugging stuff

firmware/include/fast_source.h

@@ -30,5 +30,6 @@ extern unsigned char fastsource_interfaces[3];
 
 void fastsource_init(void);
 void fastsource_start(void);
+void fastsource_dump(void);
 
 void usb_submit_req_ctx(struct req_ctx *rctx);

firmware/include/req_ctx.h

@@ -50,4 +50,6 @@ extern uint8_t req_ctx_num(struct req_ctx *ctx);
 void req_ctx_enqueue(struct llist_head *list, struct req_ctx *rctx);
 struct req_ctx *req_ctx_dequeue(struct llist_head *list);
 
+void req_ctx_dump();
+
 #endif /* _REQ_CTX_H */

firmware/include/tuner_e4k.h

@@ -215,4 +215,6 @@ int e4k_set_lna_gain(struct e4k_state *e4k, int32_t gain);
 int e4k_enable_manual_gain(struct e4k_state *e4k, uint8_t manual);
 int e4k_set_enh_gain(struct e4k_state *e4k, int32_t gain);
 
+int e4k_dump(struct e4k_state *e4k);
+
 #endif /* _E4K_TUNER_H */

firmware/osmosdr-project/main.c

@@ -335,6 +335,12 @@ static int cmd_tuner_iqofs(struct cmd_state *cs, enum cmd_op op,
 	return e4k_manual_dc_offset(&e4k, iofs, irange, qofs, qrange);
 }
 
+static int cmd_tuner_dump(struct cmd_state *cs, enum cmd_op op,
+	const char *cmd, int argc, char ** argv)
+{
+	return e4k_dump(&e4k);
+}
+
 static int cmd_dfu(struct cmd_state *cs, enum cmd_op op,
                    const char *cmd, int argc, char ** argv)
 {
@@ -345,6 +351,8 @@ static int cmd_dfu(struct cmd_state *cs, enum cmd_op op,
 static struct cmd cmds[] = {
 	{ "tuner.init", CMD_OP_EXEC, cmd_tuner_init,
 	  "Initialize the tuner" },
+	{ "tuner.dump", CMD_OP_EXEC, cmd_tuner_dump,
+	  "Dump E4k registers" },
 	{ "tuner.freq", CMD_OP_SET|CMD_OP_GET, cmd_rf_freq,
 	  "Tune to the specified frequency" },
 	{ "tuner.gain", CMD_OP_SET, cmd_tuner_gain,

firmware/src/fast_source.c

@@ -588,3 +588,13 @@ void USBDDriverCallbacks_InterfaceSettingChanged(unsigned char interface,
 	else
 		LED_Set(USBD_LEDOTHER);
 }
+
+void fastsource_dump(void)
+{
+	struct req_ctx *rctx, *rctx2;
+
+	printf("usb pending:");
+	llist_for_each_entry_safe(rctx, rctx2, &usb_state.queue, list)
+		printf(" %02d", req_ctx_num(rctx));
+	printf("\n\r");
+}

firmware/src/osdr_ssc.c

@@ -277,7 +277,16 @@ static int cmd_ssc_stats(struct cmd_state *cs, enum cmd_op op,
 static int cmd_ssc_dump(struct cmd_state *cs, enum cmd_op op,
 			const char *cmd, int argc, char **argv)
 {
+	struct req_ctx *rctx, *rctx2;
+
 	dma_dump_regs();
+	req_ctx_dump();
+
+	printf("ssc pending:");
+	llist_for_each_entry_safe(rctx, rctx2, &ssc_state.pending_rctx, list)
+		printf(" %02d", req_ctx_num(rctx));
+	printf("\n\r");
+	fastsource_dump();
 }
 
 static struct cmd cmds[] = {

firmware/src/req_ctx.c

@@ -129,3 +129,15 @@ void req_ctx_enqueue(struct llist_head *list, struct req_ctx *rctx)
 	llist_add_tail(&rctx->list, list);
 	local_irq_restore(flags);
 }
+
+void req_ctx_dump()
+{
+	int i;
+
+	local_irq_save(flags);
+	printf("ctx status: ");
+	for(i = 0; i < NUM_REQ_CTX; i++)
+		printf(" %02x", req_ctx[i].state);
+	local_irq_restore(flags);
+	printf("\n\r");
+}

firmware/src/tuner_e4k.c

@@ -969,3 +969,16 @@ int e4k_init(struct e4k_state *e4k)
 
 	return 0;
 }
+
+int e4k_dump(struct e4k_state *e4k)
+{
+	int i;
+
+	for(i = 0; i < 64; i++)
+		printf("0x%02x: 0x%02x    0x%02x: 0x%02x    0x%02x: 0x%02x    0x%02x: 0x%02x\n\r",
+			i, e4k_reg_read(e4k, i),
+			i + 64, e4k_reg_read(e4k, i + 64),
+			i + 128, e4k_reg_read(e4k, i + 128),
+			i + 192, e4k_reg_read(e4k, i + 192)
+	);
+}

firmware/usb-fast-audio-source/fast_source.c

@@ -145,4 +145,11 @@ void fastsource_start(void)
 	USBD_Write(EP_NR, test_data, sizeof(test_data), wr_compl_cb, NULL);
 }
 
-
+void fastsource_dump(void)
+{
+	printf("usb pending: ");
+	printf("ssc pending:");
+	llist_for_each_entry_safe(rctx, rctx2, &ssc_state.pending_rctx, list)
+		printf(" %d", req_ctx_num(rctx));
+	printf("\r\n");
+}

firmware/usb-fast-audio-source/fast_source.h

@@ -16,3 +16,4 @@
 void fastsource_init(void);
 void fastsource_start(void);
 void fastsource_req_hdlr(const USBGenericRequest *request);
+void fastsource_dump(void);