From: jede <jede@oric.org>
Date: Wed, 14 Dec 2016 22:45:20 +0000 (+0100)
Subject: Adding ch376.h header, correcting some bugs
X-Git-Tag: V2.16~47^2~24
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=15ac85b50c4aa6d32966cfeec5bc650c037aa0c1;p=cc65

Adding ch376.h header, correcting some bugs
---

diff --git a/include/ch376.h b/include/ch376.h
new file mode 100644
index 000000000..9db801eaf
--- /dev/null
+++ b/include/ch376.h
@@ -0,0 +1,55 @@
+
+
+/* /// "Portable types" */
+
+
+
+
+/* /// "CH376 interface commands and constants" */
+
+// Chip version
+#define CH376_DATA_IC_VER 3
+
+// Commands
+#define CH376_CMD_NONE        0x00
+#define CH376_CMD_GET_IC_VER  0x01
+#define CH376_CMD_CHECK_EXIST   0x06
+#define CH376_CMD_SET_USB_MODE  0x15
+#define CH376_CMD_GET_STATUS    0x22
+#define CH376_CMD_RD_USB_DATA0  0x27
+#define CH376_CMD_WR_REQ_DATA   0x2d
+#define CH376_CMD_SET_FILE_NAME 0x2f
+#define CH376_CMD_DISK_MOUNT    0x31
+#define CH376_CMD_FILE_OPEN     0x32
+#define CH376_CMD_FILE_ENUM_GO  0x33
+#define CH376_CMD_FILE_CREATE   0x34
+#define CH376_CMD_FILE_CLOSE  0x36
+#define CH376_CMD_BYTE_LOCATE   0x39
+#define CH376_CMD_BYTE_READ     0x3a
+#define CH376_CMD_BYTE_RD_GO    0x3b
+#define CH376_CMD_BYTE_WRITE    0x3c
+#define CH376_CMD_BYTE_WR_GO    0x3d
+#define CH376_CMD_DISK_QUERY    0x3f
+#define CH376_CMD_DISK_RD_GO    0x55
+
+#define CH376_ARG_SET_USB_MODE_INVALID  0x00
+#define CH376_ARG_SET_USB_MODE_SD_HOST  0x03
+#define CH376_ARG_SET_USB_MODE_USB_HOST 0x06
+
+// Status & errors
+#define CH376_ERR_OPEN_DIR  0x41
+#define CH376_ERR_MISS_FILE 0x42
+
+#define CH376_RET_SUCCESS 0x51
+#define CH376_RET_ABORT   0x5f
+
+#define CH376_INT_SUCCESS    0x14
+#define CH376_INT_DISK_READ  0x1d
+#define CH376_INT_DISK_WRITE 0x1e
+
+
+unsigned char	ch376_check_exist(unsigned char value);
+unsigned char 	ch376_ic_get_version(void);
+void 			ch376_set_usb_mode(unsigned char value);
+unsigned char 	ch376_disk_mount(void);
+
diff --git a/libsrc/telemon30/ch376.s b/libsrc/telemon30/ch376.s
index 1b75c2b18..90e2878e1 100644
--- a/libsrc/telemon30/ch376.s
+++ b/libsrc/telemon30/ch376.s
@@ -4,7 +4,7 @@
 	.export 	_ch376_reset
 	.export 	_ch376_check_exist
 	.export 	_ch376_disk_mount
-	
+	.export		_ch376_set_usb_mode
 	.import 	popax
 	.importzp 	sp,tmp2,tmp3,tmp1
 	.include    "telemon30.inc"
@@ -123,6 +123,7 @@ loop:
 .proc _ch376_ic_get_version
 	lda #CH376_GET_IC_VER
 	sta CH376_COMMAND
+	ldx #0
 	lda CH376_DATA
 	rts
 .endproc 
@@ -131,10 +132,10 @@ loop:
 	
 .proc _ch376_set_usb_mode
 ; CH376_SET_USB_MODE_CODE_USB_HOST_SOF_PACKAGE_AUTOMATICALLY
-	sta tmp1
+	pha
 	lda #CH376_SET_USB_MODE ; $15
 	sta CH376_COMMAND
-	lda tmp1
+	pla
 	sta CH376_DATA
 	rts
 .endproc 
@@ -169,6 +170,7 @@ loop:
 	sta CH376_COMMAND
 	jsr _ch376_wait_response
 	; if we read data value, we have then length of the volume name
+	ldx #0
 	rts	
 .endproc