From: Joel Holdsworth <redacted>
Date: Mon, 7 May 2012 14:58:04 +0000 (+0100)
Subject: Support wide sampling
X-Git-Tag: sigrok-firmware-fx2lafw-0.1.0~22
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=daf6d940fca76d60e236f492ef95885966553bcf;p=sigrok-firmware-fx2lafw.git

Support wide sampling
---

diff --git a/gpif-acquisition.c b/gpif-acquisition.c
index d8092c7d..b0d302b6 100644
--- a/gpif-acquisition.c
+++ b/gpif-acquisition.c
@@ -196,6 +196,14 @@ bool gpif_acquisition_start(const struct cmd_start_acquisition *cmd)
 	/* Ensure GPIF is idle before reconfiguration. */
 	while (!(GPIFTRIG & 0x80));
 
+	/* Configure the EP2 FIFO */
+	if(cmd->flags & CMD_START_FLAGS_SAMPLE_16BIT) {
+		EP2FIFOCFG = bmAUTOIN | bmWORDWIDE;
+	} else {
+		EP2FIFOCFG = bmAUTOIN;
+	}
+	SYNCDELAY();
+
 	/* Set IFCONFIG to the correct clock source. */
 	if (cmd->flags & CMD_START_FLAGS_CLK_48MHZ) {
 		IFCONFIG = bmIFCLKSRC | bm3048MHZ | bmIFCLKOE | bmASYNC |
diff --git a/include/command.h b/include/command.h
index ad5ea90b..2f7d3abf 100644
--- a/include/command.h
+++ b/include/command.h
@@ -25,8 +25,12 @@
 #define CMD_START			0xb1
 #define CMD_GET_REVID_VERSION		0xb2
 
+#define CMD_START_FLAGS_WIDE_POS	5
 #define CMD_START_FLAGS_CLK_SRC_POS	6
 
+#define CMD_START_FLAGS_SAMPLE_8BIT	(0 << CMD_START_FLAGS_WIDE_POS)
+#define CMD_START_FLAGS_SAMPLE_16BIT	(1 << CMD_START_FLAGS_WIDE_POS)
+
 #define CMD_START_FLAGS_CLK_30MHZ	(0 << CMD_START_FLAGS_CLK_SRC_POS)
 #define CMD_START_FLAGS_CLK_48MHZ	(1 << CMD_START_FLAGS_CLK_SRC_POS)