From a3d86de2ce72ba6faff1bec092fc2d0f01176b8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20=C5=81ukawski?= <bwmn.peter@gmail.com>
Date: Wed, 12 Jul 2023 18:45:29 +0200
Subject: [PATCH] Dump DSP contents

---
 .gitignore     |  6 ++++++
 jr3pci-ioctl.c | 28 ++++++++++++++++++++++++++++
 jr3pci-ioctl.h |  4 +++-
 raw.cpp        | 11 +++++++++--
 4 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 7b57fe0..4199b9d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,3 +55,9 @@ dkms.conf
 /jr3mon
 /reset
 /test
+/raw
+
+# Miscellanea
+/.vs/
+/.vscode/
+
diff --git a/jr3pci-ioctl.c b/jr3pci-ioctl.c
index a113933..104c729 100644
--- a/jr3pci-ioctl.c
+++ b/jr3pci-ioctl.c
@@ -111,6 +111,30 @@ int jr3GetForceAndRaw(unsigned long arg) {
 	return ret;
 }
 
+int jr3DumpDsp(void) {
+	int i;
+	int card;
+
+	for (card = 0; card < 4; card++)
+	{
+		for (i = 0; i < 0xFF; i += 8) {
+			printk(KERN_INFO "jr3pci(%d): [0x%02X] 0x%04X 0x%04X 0x%04X 0x%04X 0x%04X 0x%04X 0x%04X 0x%04X",
+				   card, i,
+				   (unsigned short)readData(JR3_RAWCHANNELS + i,     card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 1, card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 2, card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 3, card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 4, card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 5, card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 6, card),
+				   (unsigned short)readData(JR3_RAWCHANNELS + i + 7, card)
+				   );
+		}
+	}
+
+	return 0;
+}
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
 int jr3_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
 #else
@@ -352,6 +376,10 @@ long jr3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			else ret=-1;
 			break;
 
+		case IOCTL_JR3_DUMP_DSP:
+			ret = jr3DumpDsp();
+			break;
+
 		default:
 			return -ENOTTY;
 	}
diff --git a/jr3pci-ioctl.h b/jr3pci-ioctl.h
index 785e813..a38dd2f 100644
--- a/jr3pci-ioctl.h
+++ b/jr3pci-ioctl.h
@@ -78,6 +78,8 @@ typedef struct force_and_raw_array {
 #define IOCTL3_JR3_GET_FULL_SCALES    _IOR( JR3_TYPE, 43, struct force_array )
 #define IOCTL3_JR3_SET_FULL_SCALES    _IOW( JR3_TYPE, 44, struct force_array )
 
-#define IOCTL_JR3_MAXNR 45
+#define IOCTL_JR3_DUMP_DSP            _IO ( JR3_TYPE, 45   )
+
+#define IOCTL_JR3_MAXNR 46
 #endif
 
diff --git a/raw.cpp b/raw.cpp
index ef8d46b..e6bf0fa 100644
--- a/raw.cpp
+++ b/raw.cpp
@@ -1,6 +1,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
@@ -20,8 +21,9 @@ int main(void) {
 	ret=ioctl(fd,IOCTL0_JR3_GET_FORCE_AND_RAW,&fr);
 
 	if (ret!=-1) {
-		for (i=0;i<16;i++) {
-			printf("channel %d: time = %u, value = %d\n",i,fr.raw_channels[i].raw_time,fr.raw_channels[i].raw_data);
+		for (i=0;i<8;i++) {
+			printf("channel %d: time = %u, value = 0x%04X, signed = %d\n",
+					i, fr.raw_channels[i].raw_time, (uint16_t)(fr.raw_channels[i].raw_data), (int16_t)(fr.raw_channels[i].raw_data));
 		}
 		for (i=0;i<3;i++) {
 			printf("f[%d] = %d\n",i,fr.filtered.f[i]);
@@ -32,5 +34,10 @@ int main(void) {
 	} else
 		perror("");
 
+	ret=ioctl(fd,IOCTL_JR3_DUMP_DSP);
+
+	if (ret==-1)
+		perror("");
+
 	close(fd);
 }