/* $Id$ * $URL$ * * new style driver for Cwlinux display modules * * Copyright (C) 1999, 2000 Michael Reinelt * Copyright (C) 2004 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux 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, or (at your option) * any later version. * * LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * * exported fuctions: * * struct DRIVER drv_Cwlinux * */ #include "config.h" #include #include #include #include #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "timer.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.h" #include "widget_keypad.h" #include "drv.h" #include "drv_generic_text.h" #include "drv_generic_gpio.h" #include "drv_generic_serial.h" #include "drv_generic_keypad.h" static char Name[] = "Cwlinux"; static int Model; static int Protocol; /* ring buffer for bytes received from the display */ static unsigned char RingBuffer[256]; static unsigned int RingRPos = 0; static unsigned int RingWPos = 0; typedef struct { int type; char *name; int rows; int cols; int xres; /* pixel width of one char */ int yres; /* pixel height of one char */ int gpos; int gpis; int chars; /* number of user definable chars */ int protocol; } MODEL; /* Fixme: number of gpo's should be verified */ static MODEL Models[] = { {0x01, "CW1602", 2, 16, 5, 7, 2, 2, 8, 1}, {0x02, "CW12232", 4, 20, 6, 8, 2, 2, 16, 2}, {0xff, "Unknown", -1, -1, -1, -1, -1, -1, -1, -1} }; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_CW_process_input(void) { while (RingRPos != RingWPos) { drv_generic_keypad_press(RingBuffer[RingRPos++]); if (RingRPos >= sizeof(RingBuffer)) RingRPos = 0; } } static int drv_CW_poll(void) { while (1) { char buffer[32]; int num, n; num = drv_generic_serial_poll(buffer, sizeof(buffer)); if (num <= 0) break; /* no more input */ /* put result into RingBuffer */ for (n = 0; n < num; n++) { RingBuffer[RingWPos++] = (unsigned char) buffer[n]; if (RingWPos >= sizeof(RingBuffer)) RingWPos = 0; } } if (RingRPos != RingWPos) return 1; else return 0; } static void drv_CW_timer(void __attribute__ ((unused)) * notused) { while (drv_CW_poll()) { drv_CW_process_input(); } } static void drv_CW_send(const char *string, const int len) { drv_generic_serial_write(string, len); usleep(20); if (drv_CW_poll()) drv_CW_process_input(); } static void drv_CW_write(const int row, const int col, const char *data, const int len) { char cmd[6] = "\376Gxy\375"; cmd[2] = (char) col; cmd[3] = (char) row; drv_CW_send(cmd, 5); drv_CW_send(data, len); } static void drv_CW1602_defchar(const int ascii, const unsigned char *buffer) { int i; char cmd[12] = "\376Nn12345678\375"; cmd[2] = (char) ascii

# Sweden - Bankeryd
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 634000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 698000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE

ret; info("%s: %s", Name, "$Rev$"); /* display preferences */ CHAR0 = 1; /* ASCII of first user-defineable char */ GOTO_COST = 3; /* number of bytes a goto command requires */ INVALIDATE = 1; /* re-defined chars must be re-sent to the display */ /* start display */ if ((ret = drv_CW_start(section)) != 0) return ret; /* real worker functions */ drv_generic_text_real_write = drv_CW_write; drv_generic_gpio_real_set = drv_CW_GPO; drv_generic_gpio_real_get = drv_CW_GPI; drv_generic_keypad_real_press = drv_CW_keypad; switch (Protocol) { case 1: drv_generic_text_real_defchar = drv_CW1602_defchar; break; case 2: drv_generic_text_real_defchar = drv_CW12232_defchar; break; } if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %s", Name, Models[Model].name); if (drv_generic_text_greet(buffer, "www.cwlinux.com")) { sleep(3); drv_CW_clear(); } } /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* initialize generic icon driver */ if ((ret = drv_generic_text_icon_init()) != 0) return ret; /* initialize generic bar driver */ if ((ret = drv_generic_text_bar_init(0)) != 0) return ret; /* add fixed chars to the bar driver */ drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ /* initialize generic GPIO driver */ if ((ret = drv_generic_gpio_init(section, Name)) != 0) return ret; /* initialize generic key pad driver */ if ((ret = drv_generic_keypad_init(section, Name)) != 0) return ret; /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register icon widget */ wc = Widget_Icon; wc.draw = drv_generic_text_icon_draw; widget_register(&wc); /* register bar widget */ wc = Widget_Bar; wc.draw = drv_generic_text_bar_draw; widget_register(&wc); /* register plugins */ AddFunction("LCD::brightness", -1, plugin_brightness); return 0; } /* close driver & display */ int drv_CW_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); drv_generic_gpio_quit(); drv_generic_keypad_quit(); /* clear display */ drv_CW_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } drv_generic_serial_close(); return (0); } DRIVER drv_Cwlinux = { .name = Name, .list = drv_CW_list, .init = drv_CW_init, .quit = drv_CW_quit, };