aboutsummaryrefslogtreecommitdiffstats
path: root/drv_picoLCDGraphic.c
diff options
context:
space:
mode:
Diffstat (limited to 'drv_picoLCDGraphic.c')
-rw-r--r--drv_picoLCDGraphic.c35
1 files changed, 30 insertions, 5 deletions
diff --git a/drv_picoLCDGraphic.c b/drv_picoLCDGraphic.c
index ec54c4a..0577337 100644
--- a/drv_picoLCDGraphic.c
+++ b/drv_picoLCDGraphic.c
@@ -6,7 +6,7 @@
* Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
- * Copyright (C) 2008 Nicu Pavel, Mini-Box.com <npavel@mini-box.com>
+ * Copyright (C) 2009 Nicu Pavel, Mini-Box.com <npavel@mini-box.com>
*
* This file is part of LCD4Linux.
*
@@ -98,7 +98,8 @@ static char *Buffer;
static char *BufPtr;
static usb_dev_handle *lcd;
-
+//extern int usb_debug;
+int usb_debug;
/****************************************/
@@ -119,7 +120,7 @@ static int drv_pLG_open(void)
info("%s: scanning for picoLCD 256x64...", Name);
- usb_set_debug(0);
+ usb_debug = 0;
usb_init();
usb_find_busses();
@@ -169,6 +170,11 @@ static int drv_pLG_open(void)
return -1;
}
+static int drv_pLG_read(unsigned char *data, int size)
+{
+ return usb_interrupt_read(lcd, USB_ENDPOINT_IN + 1, (char *) data, size, 1000);
+}
+
static void drv_pLG_send(unsigned char *data, int size)
{
@@ -388,6 +394,22 @@ static int drv_pLG_backlight(int backlight)
return backlight;
}
+#define _USBLCD_MAX_DATA_LEN 24
+#define IN_REPORT_KEY_STATE 0x11
+static int drv_pLG_gpi( __attribute__ ((unused))
+ int num)
+{
+ int ret;
+ unsigned char read_packet[_USBLCD_MAX_DATA_LEN];
+ ret = drv_pLG_read(read_packet, _USBLCD_MAX_DATA_LEN);
+ if ((ret > 0) && (read_packet[0] == IN_REPORT_KEY_STATE)) {
+ debug("picoLCD: pressed key= 0x%02x\n", read_packet[1]);
+ return read_packet[1];
+ }
+ return 0;
+}
+
+
static int drv_pLG_gpo(int num, int val)
{
unsigned char cmd[2] = { 0x81 }; /* set GPO */
@@ -409,7 +431,7 @@ static int drv_pLG_gpo(int num, int val)
gpo &= ~(1 << num);
cmd[1] = gpo;
- //drv_pLG_send(cmd, 2);
+ drv_pLG_send(cmd, 2);
return val;
}
@@ -549,9 +571,12 @@ int drv_pLG_init(const char *section, const int quiet)
XRES = 6; /* pixel width of one char */
YRES = 8; /* pixel height of one char */
GPOS = 8;
-
+ GPIS = 1;
/* real worker functions */
drv_generic_graphic_real_blit = drv_pLG_blit;
+ drv_generic_gpio_real_set = drv_pLG_gpo;
+ drv_generic_gpio_real_get = drv_pLG_gpi;
+
/* start display */
if ((ret = drv_pLG_start(section, quiet)) != 0)