epson2: more error debugging

backend/epson2-commands.c

@@ -570,6 +570,9 @@ esci_request_scanner_status(SANE_Handle handle, unsigned char *buf)
 	if (buf[0] & FSF_STATUS_MAIN_WU)
 		DBG(1, " scanner is warming up\n");
 
+	if (buf[0] & FSF_STATUS_MAIN_CWU)
+		DBG(1, " warmup can be cancelled\n");
+
 
 	DBG(1, "adf status      : 0x%02x\n", buf[1]);
 

backend/epson2.h

@@ -135,10 +135,11 @@
 #define EXT_IDTY_CAP2_DFD	0x08	/* double feed detection */
 #define EXT_IDTY_CAP2_ADFAS	0x10	/* ADF with auto scan support */
 
-
 #define FSF_STATUS_MAIN_FER	0x80	/* system error */
 #define FSF_STATUS_MAIN_NR	0x40	/* not ready */
 #define FSF_STATUS_MAIN_WU	0x02	/* warming up */
+#define FSF_STATUS_MAIN_CWU	0x01	/* warm up can be cancelled (?) */
+
 #define FSF_STATUS_ADF_IST	0x80	/* installed */
 #define FSF_STATUS_ADF_EN	0x40	/* enabled */
 #define FSF_STATUS_ADF_ERR	0x20	/* system error */
@@ -146,10 +147,12 @@
 #define FSF_STATUS_ADF_PJ	0x04	/* paper jam */
 #define FSF_STATUS_ADF_OPN	0x02	/* cover open */
 #define FSF_STATUS_ADF_PAG	0x01	/* duplex */
+
 #define FSF_STATUS_TPU_IST	0x80	/* installed */
 #define FSF_STATUS_TPU_EN	0x40	/* enabled */
 #define FSF_STATUS_TPU_ERR	0x20	/* system error */
 #define FSF_STATUS_TPU_OPN	0x02	/* cover open */
+
 #define FSF_STATUS_MAIN2_ERR	0x20	/* system error */
 #define FSF_STATUS_MAIN2_PE	0x08	/* paper empty */
 #define FSF_STATUS_MAIN2_PJ	0x04	/* paper jam */