take care of the different USB request sizes (necessary for IOWarrior 56)

This commit is contained in:
marschap
2007-12-01 17:41:58 +00:00
parent e72155b514
commit 715bf58d22
2 changed files with 58 additions and 55 deletions
+55 -55
View File
@@ -53,17 +53,17 @@
/* ------------------- IOWarrior LCD routines ------------------------------ */
/* write a set report to interface 1 of warrior */
static int iow_lcd_wcmd(usb_dev_handle *udh, unsigned char data[8])
static int iow_lcd_wcmd(usb_dev_handle *udh, int size, unsigned char *data)
{
return(usb_control_msg(udh, USB_DT_HID, USB_REQ_SET_REPORT, 0, 1,
(char *) data, 8, iowTimeout) == 8) ? IOW_OK : IOW_ERROR;
(char *) data, size, iowTimeout) == size) ? IOW_OK : IOW_ERROR;
}
/* ------------------- IOWarrior LED routines ------------------------------ */
/* write a set report to interface 0 of warrior */
static int iow_led_wcmd(usb_dev_handle *udh,int len,unsigned char *data)
static int iow_led_wcmd(usb_dev_handle *udh, int len, unsigned char *data)
{
return (usb_control_msg(udh, USB_DT_HID, USB_REQ_SET_REPORT, 2, 0,
(char *) data, len, iowTimeout) == len) ? IOW_OK : IOW_ERROR;
@@ -75,111 +75,111 @@ static int iow_led_wcmd(usb_dev_handle *udh,int len,unsigned char *data)
/* ------------------- IOWarrior LCD routines ------------------------------ */
/* start IOWarrior's LCD mode */
static int iowlcd_enable(usb_dev_handle *udh)
static int iowlcd_enable(usb_dev_handle *udh, int size)
{
unsigned char lcd_cmd[8] = { 0x04, 0x01, 0, 0, 0, 0, 0, 0 };
int res = iow_lcd_wcmd(udh,lcd_cmd);
unsigned char lcd_cmd[64] = { 0x04, 0x01, 0, 0, 0, 0, 0, 0 };
int res = iow_lcd_wcmd(udh, size, lcd_cmd);
usleep(30000); /* wait for 30ms */
return res;
}
/* leave IOWarrior's LCD mode */
static int iowlcd_disable(usb_dev_handle *udh)
static int iowlcd_disable(usb_dev_handle *udh, int size)
{
unsigned char lcd_cmd[8] = { 0x04, 0x00, 0, 0, 0, 0, 0, 0 };
int res = iow_lcd_wcmd(udh,lcd_cmd);
unsigned char lcd_cmd[64] = { 0x04, 0x00, 0, 0, 0, 0, 0, 0 };
int res = iow_lcd_wcmd(udh, size, lcd_cmd);
usleep(30000);
return res;
}
/* clear IOWarrior's display */
static int iowlcd_display_clear(usb_dev_handle *udh)
static int iowlcd_display_clear(usb_dev_handle *udh, int size)
{
unsigned char lcd_cmd[8] = { 0x05, 1, 0x01, 0, 0, 0, 0, 0 };
int res = iow_lcd_wcmd(udh,lcd_cmd);
unsigned char lcd_cmd[64] = { 0x05, 1, 0x01, 0, 0, 0, 0, 0 };
int res = iow_lcd_wcmd(udh, size, lcd_cmd);
usleep(3000); /* 3ms */
return res;
}
static int iowlcd_display_on_off(usb_dev_handle *udh,int display,int cursor,int blink)
static int iowlcd_display_on_off(usb_dev_handle *udh, int size, int display, int cursor, int blink)
{
unsigned char lcd_cmd[8] = { 0x05, 1, 0x08, 0, 0, 0, 0, 0 };
unsigned char lcd_cmd[64] = { 0x05, 1, 0x08, 0, 0, 0, 0, 0 };
if (display) lcd_cmd[2] |= 0x04;
if (cursor) lcd_cmd[2] |= 0x02;
if (blink) lcd_cmd[2] |= 0x01;
return iow_lcd_wcmd(udh,lcd_cmd);
return iow_lcd_wcmd(udh, size, lcd_cmd);
}
static int iowlcd_set_function(usb_dev_handle *udh,int eight_bit,int two_line,int ten_dots)
static int iowlcd_set_function(usb_dev_handle *udh, int size, int eight_bit, int two_line, int ten_dots)
{
unsigned char lcd_cmd[8] = { 0x05, 1, 0x20, 0, 0, 0, 0, 0 };
unsigned char lcd_cmd[64] = { 0x05, 1, 0x20, 0, 0, 0, 0, 0 };
if (eight_bit) lcd_cmd[2] |= 0x10;
if (two_line) lcd_cmd[2] |= 0x08;
if (ten_dots) lcd_cmd[2] |= 0x04;
return iow_lcd_wcmd(udh,lcd_cmd);
return iow_lcd_wcmd(udh, size, lcd_cmd);
}
static int iowlcd_set_cgram_addr(usb_dev_handle *udh,int addr)
static int iowlcd_set_cgram_addr(usb_dev_handle *udh, int size, int addr)
{
unsigned char lcd_cmd[8] = { 0x05, 1, 0x40, 0, 0, 0, 0, 0 };
unsigned char lcd_cmd[64] = { 0x05, 1, 0x40, 0, 0, 0, 0, 0 };
lcd_cmd[2] |= (addr & 0x3f);
return iow_lcd_wcmd(udh,lcd_cmd);
return iow_lcd_wcmd(udh, size, lcd_cmd);
}
static int iowlcd_set_ddram_addr(usb_dev_handle *udh,int addr)
static int iowlcd_set_ddram_addr(usb_dev_handle *udh, int size, int addr)
{
unsigned char lcd_cmd[8] = { 0x05, 1, 0x80, 0, 0, 0, 0, 0 };
unsigned char lcd_cmd[64] = { 0x05, 1, 0x80, 0, 0, 0, 0, 0 };
lcd_cmd[2] |= (addr & 0x7f);
return iow_lcd_wcmd(udh,lcd_cmd);
return iow_lcd_wcmd(udh, size, lcd_cmd);
}
static int iowlcd_write_data(usb_dev_handle *udh,int len,unsigned char *data)
static int iowlcd_write_data(usb_dev_handle *udh, int size, int len, unsigned char *data)
{
unsigned char lcd_cmd[8] = { 0x05, 0x80, 0, 0, 0, 0, 0, 0 };
unsigned char lcd_cmd[64] = { 0x05, 0x80, 0, 0, 0, 0, 0, 0 };
unsigned char *ptr = data;
int num_blk, last_blk, i;
num_blk = len / 6;
last_blk = len % 6;
num_blk = len / (size - 2);
last_blk = len % (size - 2);
/* write 6 data byte reports */
/* write data in (size-2)-sized chunks */
for (i = 0; i < num_blk; i++) {
lcd_cmd[1] = 0x80 | 6;
memcpy(&lcd_cmd[2], ptr, 6);
if (iow_lcd_wcmd(udh, lcd_cmd) == IOW_ERROR)
lcd_cmd[1] = 0x80 | (size-2);
memcpy(&lcd_cmd[2], ptr, size-2);
if (iow_lcd_wcmd(udh, size, lcd_cmd) == IOW_ERROR)
return ptr - data;
ptr += 6;
ptr += (size-2);
}
/* last block */
if (last_blk > 0) {
lcd_cmd[1] = 0x80 | last_blk;
memcpy(&lcd_cmd[2], ptr, last_blk);
if (iow_lcd_wcmd(udh, lcd_cmd) == IOW_ERROR)
if (iow_lcd_wcmd(udh, size, lcd_cmd) == IOW_ERROR)
return ptr - data;
}
return len;
}
static int iowlcd_set_pos(usb_dev_handle *udh,int x,int y)
static int iowlcd_set_pos(usb_dev_handle *udh, int size, int x, int y)
{
const unsigned char lineOff[4] = { 0x00, 0x40, 0x14, 0x54 };
unsigned char addr = lineOff[y] + x;
return iowlcd_set_ddram_addr(udh, addr);
return iowlcd_set_ddram_addr(udh, size, addr);
}
static int iowlcd_set_text(usb_dev_handle *udh,int x,int y,int len,unsigned char *data)
static int iowlcd_set_text(usb_dev_handle *udh, int size, int x, int y, int len, unsigned char *data)
{
if (iowlcd_set_pos(udh,x,y) == IOW_ERROR)
if (iowlcd_set_pos(udh, size, x, y) == IOW_ERROR)
return IOW_ERROR;
return iowlcd_write_data(udh,len,data);
return iowlcd_write_data(udh, size, len, data);
}
static int iowlcd_load_chars(usb_dev_handle *udh,int offset,int num,unsigned char *bits)
static int iowlcd_load_chars(usb_dev_handle *udh, int size, int offset, int num, unsigned char *bits)
{
if (iowlcd_set_cgram_addr(udh, offset<<3) == IOW_ERROR)
if (iowlcd_set_cgram_addr(udh, size, offset << 3) == IOW_ERROR)
return IOW_ERROR;
return iowlcd_write_data(udh, num*CELLHEIGHT, bits);
return iowlcd_write_data(udh, size, num * CELLHEIGHT, bits);
}
@@ -383,13 +383,13 @@ PrivateData *p;
}
/* enable LCD in IOW */
if (iowlcd_enable(p->udh) == IOW_ERROR)
if (iowlcd_enable(p->udh, IOWLCD_SIZE) == IOW_ERROR)
return -1;
/* enable 8bit transfer mode */
if (iowlcd_set_function(p->udh, 1, 1, 0) == IOW_ERROR)
if (iowlcd_set_function(p->udh, IOWLCD_SIZE, 1, 1, 0) == IOW_ERROR)
return -1;
/* enable display, disable cursor+blinking */
if (iowlcd_display_on_off(p->udh, 1, 0, 0) == IOW_ERROR)
if (iowlcd_display_on_off(p->udh, IOWLCD_SIZE, 1, 0, 0) == IOW_ERROR)
return -1;
report(RPT_DEBUG, "%s: init() done", drvthis->name);
@@ -428,10 +428,10 @@ PrivateData *p = drvthis->private_data;
if (p != NULL) {
/* don't turn display off: keep the logoff message */
// iowlcd_display_on_off(p->udh,0,0,0);
// iowlcd_display_on_off(p->udh, IOWLCD_SIZE,0,0,0);
/* IOW leave LCD mode */
iowlcd_disable(p->udh);
iowlcd_disable(p->udh, IOWLCD_SIZE);
/* release interface 1 */
usb_release_interface(p->udh, 1);
@@ -545,7 +545,7 @@ int count;
buffer[count] = HD44780_charmap[(unsigned char) p->framebuf[offset+count]];
p->backingstore[offset+count] = p->framebuf[offset+count];
}
iowlcd_set_text(p->udh, 0, y, count, buffer);
iowlcd_set_text(p->udh, IOWLCD_SIZE, 0, y, count, buffer);
debug(RPT_DEBUG, "%s: flushed %d chars at (%d,%d)",
drvthis->name, count, 0, y);
@@ -560,7 +560,7 @@ int count;
// buffer[i] = HD44780_charmap[(unsigned char) p->framebuf[offset+x+i]];
// p->backingstore[offset+x+i] = p->framebuf[offset+x+i];
// }
// iowlcd_set_text(p->udh, x, y, count, buffer);
// iowlcd_set_text(p->udh, IOWLCD_SIZE, x, y, count, buffer);
// debug(RPT_DEBUG, "%s: flushed %d chars at (%d,%d)",
// drvthis->name, count, x, y);
@@ -573,7 +573,7 @@ int count;
count = 0;
for (i = 0; i < NUM_CCs; i++) {
if (!p->cc[i].clean) {
iowlcd_load_chars(p->udh, i, 1, p->cc[i].cache);
iowlcd_load_chars(p->udh, IOWLCD_SIZE, i, 1, p->cc[i].cache);
p->cc[i].clean = 1; /* mark as clean */
count++;
}
@@ -799,19 +799,19 @@ IOWarrior_cursor (Driver *drvthis, int x, int y, int state)
{
PrivateData *p = drvthis->private_data;
iowlcd_set_pos(p->udh, x, y);
iowlcd_set_pos(p->udh, IOWLCD_SIZE, x, y);
switch (state) {
case CURSOR_OFF:
iowlcd_display_on_off(p->udh, 1, 0, 0);
iowlcd_display_on_off(p->udh, IOWLCD_SIZE, 1, 0, 0);
break;
case CURSOR_UNDER:
iowlcd_display_on_off(p->udh, 1, 1, 0);
iowlcd_display_on_off(p->udh, IOWLCD_SIZE, 1, 1, 0);
break;
case CURSOR_BLOCK:
case CURSOR_DEFAULT_ON:
default:
iowlcd_display_on_off(p->udh, 1, 1, 1);
iowlcd_display_on_off(p->udh, IOWLCD_SIZE, 1, 1, 1);
break;
}
}
@@ -836,7 +836,7 @@ IOWarrior_get_free_chars (Driver *drvthis)
* Define a custom character and write it to the LCD.
* \param drvthis Pointer to driver structure.
* \param n Custom character to define [0 - (NUM_CCs-1)].
* \param dat Array of 8(=cellheight) bytes, each representing a pixel row
* \param dat Array of 8 (=cellheight) bytes, each representing a pixel row
* starting from the top to bottom.
* The bits in each byte represent the pixels where the LSB
* (least significant bit) is the rightmost pixel in each pixel row.
+3
View File
@@ -53,6 +53,9 @@
#define IOWLCD_BUSY 0x80
#define IOWLCD_ADDR_MASK 0x7F
/* IOW56 uses a different USB request size */
#define IOWLCD_SIZE ((p->productID == 0x1503) ? 64 : 8)
/* IOWarriors drive HD44780 cmpatible displays that have these cells: */
#define CELLWIDTH LCD_DEFAULT_CELLWIDTH
#define CELLHEIGHT LCD_DEFAULT_CELLHEIGHT