From fee9f08942fb5cf81c87a9c93c0ce8bd74be5a83 Mon Sep 17 00:00:00 2001
From: Daniel <brikbusters@gmail.com>
Date: Sat, 18 May 2024 12:15:03 -0400
Subject: [PATCH] Add PTP_CANCELED, move some old stuff around

---
 src/camlib.h   | 7 +------
 src/lib.c      | 4 ++++
 src/liveview.c | 6 ++++++
 src/ptp.h      | 1 +
 4 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/camlib.h b/src/camlib.h
index f08dad6..26f527e 100644
--- a/src/camlib.h
+++ b/src/camlib.h
@@ -30,12 +30,6 @@ __attribute__ ((noreturn)) void ptp_panic(char *fmt, ...);
 // 4mb recommended default buffer size
 #define CAMLIB_DEFAULT_SIZE 1000000
 
-// Transparency pixel used in liveview processor. Will be packed as RGB uint32
-// uncompressed array of pixels in little-endian. This will be used as the first byte.
-#ifndef PTP_LV_TRANSPARENCY_PIXEL
-	#define PTP_LV_TRANSPARENCY_PIXEL 0x0
-#endif
-
 /// @brief Camlib library errors, not PTP return codes
 enum PtpGeneralError {
 	PTP_OK = 0,
@@ -47,6 +41,7 @@ enum PtpGeneralError {
 	PTP_RUNTIME_ERR = -6,
 	PTP_UNSUPPORTED = -7,
 	PTP_CHECK_CODE = -8,
+	PTP_CANCELED = -9,
 };
 
 /// @brief Evaluates PtpGeneralError into string message
diff --git a/src/lib.c b/src/lib.c
index 1db4d05..24802c5 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -190,6 +190,8 @@ int ptp_send_data(struct PtpRuntime *r, struct PtpCommand *cmd, void *data, int
 		ptp_buffer_resize(r, 100 + length);
 	}
 
+	//usleep(2000);
+
 	// Send operation request (data phase later on)
 	int plength = ptp_new_cmd_packet(r, cmd);
 	if (ptp_send_bulk_packets(r, plength) != plength) {
@@ -197,6 +199,8 @@ int ptp_send_data(struct PtpRuntime *r, struct PtpCommand *cmd, void *data, int
 		return PTP_IO_ERR;
 	}
 
+	//usleep(2000);
+
 	if (r->connection_type == PTP_IP) {
 		// Send data start packet first (only has payload length)
 		plength = ptpip_data_start_packet(r, length);
diff --git a/src/liveview.c b/src/liveview.c
index 7a7acae..de6fc57 100644
--- a/src/liveview.c
+++ b/src/liveview.c
@@ -13,6 +13,12 @@
 
 #define MAX_EOS_JPEG_SIZE 550000
 
+// Transparency pixel used in liveview processor. Will be packed as RGB uint32
+// uncompressed array of pixels in little-endian. This will be used as the first byte.
+#ifndef PTP_LV_TRANSPARENCY_PIXEL
+	#define PTP_LV_TRANSPARENCY_PIXEL 0x0
+#endif
+
 #define PTP_ML_LvWidth 360
 #define PTP_ML_LvHeight 240
 
diff --git a/src/ptp.h b/src/ptp.h
index 9605c1b..1363d62 100644
--- a/src/ptp.h
+++ b/src/ptp.h
@@ -1,4 +1,5 @@
 // This file describes Picture Transfer Protocol (ISO 15740)
+// And many vendor opcodes, property codes, and event codes.
 
 #ifndef PTP_H
 #define PTP_H