From: Stefan Brüns <redacted>
Date: Sun, 31 Dec 2017 06:51:53 +0000 (+0100)
Subject: fx2lafw: Insert SYNCDELAYs where necessary according to TRM
X-Git-Tag: sigrok-firmware-fx2lafw-0.1.6~6
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=57b6b3a357e22769e7cbb4416c93bedbdd0c0ec6;p=sigrok-firmware-fx2lafw.git

fx2lafw: Insert SYNCDELAYs where necessary according to TRM
---

diff --git a/fx2lafw.c b/fx2lafw.c
index b99d77f4..629e28c0 100644
--- a/fx2lafw.c
+++ b/fx2lafw.c
@@ -104,7 +104,9 @@ static void send_fw_version(void)
 
 	/* Send the message. */
 	EP0BCH = 0;
+	SYNCDELAY();
 	EP0BCL = sizeof(struct version_info);
+	SYNCDELAY();
 }
 
 static void send_revid_version(void)
@@ -117,7 +119,9 @@ static void send_revid_version(void)
 
 	/* Send the message. */
 	EP0BCH = 0;
+	SYNCDELAY();
 	EP0BCL = 1;
+	SYNCDELAY();
 }
 
 BOOL handle_vendorcommand(BYTE cmd)
@@ -128,6 +132,7 @@ BOOL handle_vendorcommand(BYTE cmd)
 		/* Tell hardware we are ready to receive data. */
 		vendor_command = cmd;
 		EP0BCL = 0;
+		SYNCDELAY();
 		return TRUE;
 	case CMD_GET_FW_VERSION:
 		send_fw_version();