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patch for picoLCDGraphics that adds keypad/gpi/gpo capabilities from Nicu Pavel

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git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@985 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
michael
2009-02-28 06:09:05 +00:00
parent 49aa9b7a80
commit 71247fb889
1 changed files with 30 additions and 5 deletions
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drv_picoLCDGraphic.c
+30 -5
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@@ -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)