Adding ch376.h header, correcting some bugs

diff --git a/include/ch376.h b/include/ch376.h
new file mode 100644 (file)
index 0000000..9db801e
--- /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 1b75c2b18290742a291fda935c05864a8836fbe3..90e2878e1a3528c5caa2130f6ba3867142530cc6 100644 (file)
--- 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