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New driver for Olimex MOD-LCD1x9

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This adds minimal support for the display - including a 14 segment font.
(Looks like this is the first 14 segment display to be supported by
lcdproc.)

Tested on linux.

Signed-off-by: Harald Geyer <harald@ccbib.org>
This commit is contained in:
Harald Geyer
2016-08-02 20:14:47 +02:00
parent 03cb10fe41
commit da6ab836e1
11 changed files with 437 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
server/drivers/Makefile.am
+2 -1
View File
@@ -23,7 +23,7 @@ AM_LDFLAGS = @LDSHARED@
lcdexecbindir = $(pkglibdir)
lcdexecbin_PROGRAMS = @DRIVERS@
EXTRA_PROGRAMS = bayrad CFontz CFontzPacket curses CwLnx debug ea65 EyeboxOne g15 glcd glcdlib glk hd44780 i2500vfd icp_a106 imon imonlcd IOWarrior irman irtrans joy lb216 lcdm001 lcterm linux_input lirc lis MD8800 mdm166a ms6931 mtc_s16209x MtxOrb mx5000 NoritakeVFD picolcd pyramid rawserial sdeclcd sed1330 sed1520 serialPOS serialVFD shuttleVFD sli stv5730 SureElec svga t6963 text tyan ula200 vlsys_m428 xosd
EXTRA_PROGRAMS = bayrad CFontz CFontzPacket curses CwLnx debug ea65 EyeboxOne g15 glcd glcdlib glk hd44780 i2500vfd icp_a106 imon imonlcd IOWarrior irman irtrans joy lb216 lcdm001 lcterm linux_input lirc lis MD8800 mdm166a ms6931 mtc_s16209x MtxOrb mx5000 NoritakeVFD Olimex_MOD_LCD1x9 picolcd pyramid rawserial sdeclcd sed1330 sed1520 serialPOS serialVFD shuttleVFD sli stv5730 SureElec svga t6963 text tyan ula200 vlsys_m428 xosd
noinst_LIBRARIES = libLCD.a libbignum.a
g15_CFLAGS = @LIBUSB_CFLAGS@ $(AM_CFLAGS)
@@ -117,6 +117,7 @@ mtc_s16209x_SOURCES = lcd.h lcd_lib.h mtc_s16209x.c mtc_s16209x.h report.h
MtxOrb_SOURCES = lcd.h lcd_lib.h MtxOrb.c MtxOrb.h report.h adv_bignum.h
mx5000_SOURCES = lcd.h mx5000.c mx5000.h report.h
NoritakeVFD_SOURCES = lcd.h lcd_lib.h NoritakeVFD.c NoritakeVFD.h report.h adv_bignum.h
Olimex_MOD_LCD1x9_SOURCES = lcd.h report.h i2c.h i2c.c Olimex_MOD_LCD1x9.h Olimex_MOD_LCD1x9.c Olimex_MOD_LCD1x9_font.h
rawserial_SOURCES = lcd.h rawserial.c rawserial.h
picolcd_SOURCES = lcd.h picolcd.h picolcd.c report.h
pyramid_SOURCES = lcd.h pylcd.c pylcd.h
server/drivers/Olimex_MOD_LCD1x9.c
+227
View File
@@ -0,0 +1,227 @@
/** \file server/drivers/Olimex_MOD_LCD1x9.c
* LCDd \c Olimex_MOD_LCD1x9 driver for MOD-LCD1x9 from Olimex.
* This display uses a PCF857DU style controller.
*/
/* Copyright (C) 2015 Harald Geyer <harald@ccbib.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "lcd.h"
#include "report.h"
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include "i2c.h"
#include "Olimex_MOD_LCD1x9_font.h"
#define BUS_ADDRESS 0x38
#define LEN_INIT_SEQ 24
/** private data for the \c Olimex_MOD_LCD1x9 driver */
typedef struct olimex1x9_private_data {
I2CHandle *dev; /**< handle of the i2c device */
uint16_t buf[11]; /**< header + frame buffer */
} PrivateData;
/* Vars for the server core */
MODULE_EXPORT char *api_version = API_VERSION;
MODULE_EXPORT int stay_in_foreground = 0;
MODULE_EXPORT int supports_multiple = 1;
MODULE_EXPORT char *symbol_prefix = "olimex1x9_";
/**
* Initialize the driver.
* \param drvthis Pointer to driver structure.
* \retval 0 Success.
* \retval <0 Error.
*/
MODULE_EXPORT int
olimex1x9_init (Driver *drvthis)
{
PrivateData *p;
const char *configvalue;
char buffer[LEN_INIT_SEQ];
uint8_t *preamble;
int i;
/* Allocate and store private data */
p = (PrivateData *) malloc(sizeof(PrivateData));
if (p == NULL)
return -1;
if (drvthis->store_private_ptr(drvthis, p))
return -1;
configvalue = drvthis->config_get_string(drvthis->name, "Device", 0, I2C_DEFAULT_DEVICE);
p->dev = i2c_open(configvalue, BUS_ADDRESS);
if (!p->dev) {
report(RPT_ERR, "open i2c device '%s' failed: %s", configvalue, strerror(errno));
return(-1);
}
buffer[0] = 0xC8; /* Mode register */
buffer[1] = 0xF0; /* Blink register */
buffer[2] = 0xE0; /* Device select register */
buffer[3] = 0x00; /* Point register */
for (i = 4; i < LEN_INIT_SEQ; ++i)
buffer[i] = 0xFF;
if (i2c_write(p->dev, buffer, LEN_INIT_SEQ) < 0) {
report(RPT_ERR, "I2C: %s: sending of initialization data failed: %s", configvalue, strerror(errno));
return (-1);
}
preamble = (uint8_t *) p->buf;
preamble[0] = 0xE0; /* Device select register */
preamble[1] = 0x00; /* Point register */
report(RPT_DEBUG, "%s: init() done", drvthis->name);
return 0;
}
/**
* Close the driver (do necessary clean-up).
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void
olimex1x9_close (Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
if (p != NULL) {
i2c_close(p->dev);
free(p);
}
drvthis->store_private_ptr(drvthis, NULL);
}
/**
* Return the display width in characters.
* \param drvthis Pointer to driver structure.
* \return Number of characters the display is wide.
*/
MODULE_EXPORT int
olimex1x9_width (Driver *drvthis)
{
return 9;
}
/**
* Return the display height in characters.
* \param drvthis Pointer to driver structure.
* \return Number of characters the display is high.
*/
MODULE_EXPORT int
olimex1x9_height (Driver *drvthis)
{
return 1;
}
/**
* Clear the screen.
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void
olimex1x9_clear (Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
/* Don't overwrite the preamble part of the buffer */
memset(&p->buf[1], 0, sizeof(p->buf) - sizeof(p->buf[0]));
}
/**
* Flush data on screen to the display.
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void
olimex1x9_flush (Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
i2c_write(p->dev, p->buf, sizeof(p->buf));
}
/**
* Print a string on the screen at position (x,y).
* The upper-left corner is (1,1), the lower-right corner is (9, 1).
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param string String that gets written.
*/
MODULE_EXPORT void
olimex1x9_string (Driver *drvthis, int x, int y, const unsigned char string[])
{
PrivateData *p = drvthis->private_data;
int pos = 10 - x; /* The left side is on the upper end of the buffer */
int count = 0;
while (string[count]) {
switch (string[count]) {
case '\b': /* Allow composition of characters */
++pos;
break;
case ':': /* We can't display a proper ':' */
case '.': /* Use the dot between characters if possible */
if (pos < 9 &&
!(p->buf[pos+1] & htons(olimex1x9_font['.'])))
++pos;
/* fall through */
default:
if (pos >= 1 && pos <= 9) /* no buffer overflow */
p->buf[pos] |=
htons(olimex1x9_font[string[count]]);
--pos;
}
++count;
}
}
/**
* Print a character on the screen at position (x,y).
* The upper-left corner is (1,1), the lower-right corner is (9, 1).
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param c Character that gets written.
*/
MODULE_EXPORT void
olimex1x9_chr (Driver *drvthis, int x, int y, unsigned char c)
{
PrivateData *p = drvthis->private_data;
if (x < 1 || x > 9)
return;
p->buf[10-x] |= olimex1x9_font[c];
}
server/drivers/Olimex_MOD_LCD1x9.h
+13
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@@ -0,0 +1,13 @@
#ifndef OLIMEX_LCD1x9_H
#define OLIMEX_LCD1x9_H
MODULE_EXPORT int olimex1x9_init (Driver *drvthis);
MODULE_EXPORT void olimex1x9_close (Driver *drvthis);
MODULE_EXPORT int olimex1x9_width (Driver *drvthis);
MODULE_EXPORT int olimex1x9_height (Driver *drvthis);
MODULE_EXPORT void olimex1x9_clear (Driver *drvthis);
MODULE_EXPORT void olimex1x9_flush (Driver *drvthis);
MODULE_EXPORT void olimex1x9_string (Driver *drvthis, int x, int y, const char string[]);
MODULE_EXPORT void olimex1x9_chr (Driver *drvthis, int x, int y, char c);
#endif
server/drivers/Olimex_MOD_LCD1x9_font.h
+131
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@@ -0,0 +1,131 @@
#ifndef OLIMEX_LCD1x9_FONT_H
#define OLIMEX_LCD1x9_FONT_H
uint16_t olimex1x9_font[256] = {
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000,
0x0000, /* ' ' */
0x9800, /* '!' */
0x0101, /* '"' */
0x5054, /* '#' -- use this for a degree sign */
0x0000, /* '$' */
0x0000, /* '%' */
0x0000, /* '&' */
0x0100, /* ''' */
0x0096, /* '(' */
0x9090, /* ')' */
0x6761, /* '*' */
0x4640, /* '+' */
0x0020, /* ',' */
0x4040, /* '-' */
0x0800, /* '.' */
0x0120, /* '/' */
0x9096, /* '0' */
0x9000, /* '1' */
0x50d2, /* '2' */
0xd0d0, /* '3' */
0xd044, /* '4' */
0xc0d4, /* '5' */
0xc0d6, /* '6' */
0x9010, /* '7' */
0xd0d6, /* '8' */
0xd0d4, /* '9' */
0x0800, /* ':' same as '.' */
0x0000, /* ';' */
0x2100, /* '<' */
0x0000, /* '=' */
0x0021, /* '>' */
0x0000, /* '?' */
0xffff, /* '@' */
0xd056, /* 'A' */
0x21d6, /* 'B' */
0x0096, /* 'C' */
0x0027, /* 'D' */
0x00d6, /* 'E' */
0x4056, /* 'F' */
0xc0d6, /* 'G' */
0xd046, /* 'H' */
0x0688, /* 'I' */
0x9080, /* 'J' */
0x2146, /* 'K' */
0x0086, /* 'L' */
0x9107, /* 'M' */
0xb007, /* 'N' */
0x9096, /* 'O' */
0x5056, /* 'P' */
0xb096, /* 'Q' */
0x7056, /* 'R' */
0xc0d4, /* 'S' */
0x0610, /* 'T' */
0x9086, /* 'U' */
0x0126, /* 'V' */
0xb026, /* 'W' */
0x2121, /* 'X' */
0xd0c4, /* 'Y' */
0x01b0, /* 'Z' */
0x0096, /* '[' */
0x2001, /* '\' */
0x9090, /* ']' */
0x0010, /* '^' */
0x0080, /* '_' */
0x0400, /* '`' */
0x02c2, /* 'a' */
0xc0c6, /* 'b' */
0x00c2, /* 'c' */
0xd0c2, /* 'd' */
0x00e2, /* 'e' */
0x0056, /* 'f' */
0xe080, /* 'g' */
0xc046, /* 'h' */
0x8000, /* 'i' */
0x9080, /* 'j' */
0x6046, /* 'k' */
0x0026, /* 'l' */
0xc242, /* 'm' */
0xc042, /* 'n' */
0xc0c2, /* 'o' */
0x5056, /* 'p' */
0xd054, /* 'q' */
0x0042, /* 'r' */
0x6080, /* 's' */
0x00c6, /* 't' */
0x8082, /* 'u' */
0x0022, /* 'v' */
0xa022, /* 'w' */
0x2121, /* 'x' */
0xa080, /* 'y' */
0x00e0, /* 'z' */
0x0000
};
#endif