diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_picoLCDGraphic.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_picoLCDGraphic.c.svn-base | 749 |
1 files changed, 0 insertions, 749 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_picoLCDGraphic.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_picoLCDGraphic.c.svn-base deleted file mode 100644 index b5652e74..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_picoLCDGraphic.c.svn-base +++ /dev/null @@ -1,749 +0,0 @@ -/* $Id$ - * $URL$ - * - * driver for picoLCD Graphic(256x64) displays from mini-box.com - * - * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> - * - * Copyright (C) 2009 Nicu Pavel, Mini-Box.com <npavel@mini-box.com> - * - * 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_picoLCDGraphic - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <termios.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/time.h> - -#include <usb.h> - -#include "debug.h" -#include "cfg.h" -#include "qprintf.h" -#include "udelay.h" -#include "plugin.h" -#include "timer.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_gpio.h" -#include "drv_generic_keypad.h" -#include "drv_generic_graphic.h" - - - -#define picoLCD_VENDOR 0x04d8 -#define picoLCD_DEVICE 0xc002 - -#define OUT_REPORT_LED_STATE 0x81 -#define OUT_REPORT_LCD_BACKLIGHT 0x91 -#define OUT_REPORT_LCD_CONTRAST 0x92 - -#define OUT_REPORT_CMD 0x94 -#define OUT_REPORT_DATA 0x95 -#define OUT_REPORT_CMD_DATA 0x96 - -#define SCREEN_H 64 -#define SCREEN_W 256 - - -#if 1 -#define DEBUG(x) debug("%s(): %s", __FUNCTION__, x); -#else -#define DEBUG(x) -#endif - -/* "dirty" marks the display to be redrawn from frame buffer */ -static int dirty = 1; - -/* timer for display redraw (set to zero for "direct updates") */ -static int update = 0; - -/* USB read timeout in ms (the picoLCD 256x64 times out on every read - unless a key has been pressed!) */ -static int read_timeout = 0; - -static char Name[] = "picoLCDGraphic"; -static unsigned char *pLG_framebuffer; - -/* used to display white text on black background or inverse */ -unsigned char inverted = 0; - -static unsigned int gpo = 0; - -static char *Buffer; -static char *BufPtr; - -static usb_dev_handle *lcd; -//extern int usb_debug; -int usb_debug; - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -static int drv_pLG_open(void) -{ - struct usb_bus *busses, *bus; - struct usb_device *dev; - char driver[1024]; - char product[1024]; - char manufacturer[1024]; - char serialnumber[1024]; - int ret; - - lcd = NULL; - - info("%s: scanning for picoLCD 256x64...", Name); - - usb_debug = 0; - - usb_init(); - usb_find_busses(); - usb_find_devices(); - busses = usb_get_busses(); - - for (bus = busses; bus; bus = bus->next) { - for (dev = bus->devices; dev; dev = dev->next) { - if ((dev->descriptor.idVendor == picoLCD_VENDOR) && (dev->descriptor.idProduct == picoLCD_DEVICE)) { - - info("%s: found picoLCD on bus %s device %s", Name, bus->dirname, dev->filename); - - lcd = usb_open(dev); - - ret = usb_get_driver_np(lcd, 0, driver, sizeof(driver)); - - if (ret == 0) { - info("%s: interface 0 already claimed by '%s'", Name, driver); - info("%s: attempting to detach driver...", Name); - if (usb_detach_kernel_driver_np(lcd, 0) < 0) { - error("%s: usb_detach_kernel_driver_np() failed!", Name); - return -1; - } - } - - usb_set_configuration(lcd, 1); - usleep(100); - - if (usb_claim_interface(lcd, 0) < 0) { - error("%s: usb_claim_interface() failed!", Name); - return -1; - } - - usb_set_altinterface(lcd, 0); - - usb_get_string_simple(lcd, dev->descriptor.iProduct, product, sizeof(product)); - usb_get_string_simple(lcd, dev->descriptor.iManufacturer, manufacturer, sizeof(manufacturer)); - usb_get_string_simple(lcd, dev->descriptor.iSerialNumber, serialnumber, sizeof(serialnumber)); - - info("%s: Manufacturer='%s' Product='%s' SerialNumber='%s'", Name, manufacturer, product, serialnumber); - - return 0; - } - } - } - error("%s: could not find a picoLCD", Name); - return -1; -} - -static int drv_pLG_read(unsigned char *data, int size) -{ - return usb_interrupt_read(lcd, USB_ENDPOINT_IN + 1, (char *) data, size, read_timeout); -} - - -static void drv_pLG_send(unsigned char *data, int size) -{ - int ret; - ret = usb_interrupt_write(lcd, USB_ENDPOINT_OUT + 1, (char *) data, size, 1000); - //fprintf(stderr, "%s written %d bytes\n", __FUNCTION__, ret); -} - -static int drv_pLG_close(void) -{ - usb_release_interface(lcd, 0); - usb_close(lcd); - - return 0; -} - -static void drv_pLG_update_img() -{ - unsigned char cmd3[64] = { OUT_REPORT_CMD_DATA }; /* send command + data */ - unsigned char cmd4[64] = { OUT_REPORT_DATA }; /* send data only */ - - int index, bit, x, y; - unsigned char cs, line; - unsigned char pixel; - - /* do not redraw display if frame buffer has not changed, unless - "direct updates" have been requested (update is zero) */ - if ((!dirty) && (update > 0)) { - debug("Skipping %s\n", __FUNCTION__); - return; - } - - debug("In %s\n", __FUNCTION__); - - for (cs = 0; cs < 4; cs++) { - unsigned char chipsel = (cs << 2); //chipselect - for (line = 0; line < 8; line++) { - //ha64_1.setHIDPkt(OUT_REPORT_CMD_DATA, 8+3+32, 8, chipsel, 0x02, 0x00, 0x00, 0xb8|j, 0x00, 0x00, 0x40); - cmd3[0] = OUT_REPORT_CMD_DATA; - cmd3[1] = chipsel; - cmd3[2] = 0x02; - cmd3[3] = 0x00; - cmd3[4] = 0x00; - cmd3[5] = 0xb8 | line; - cmd3[6] = 0x00; - cmd3[7] = 0x00; - cmd3[8] = 0x40; - cmd3[9] = 0x00; - cmd3[10] = 0x00; - cmd3[11] = 32; - - //ha64_2.setHIDPkt(OUT_REPORT_DATA, 4+32, 4, chipsel | 0x01, 0x00, 0x00, 32); - - cmd4[0] = OUT_REPORT_DATA; - cmd4[1] = chipsel | 0x01; - cmd4[2] = 0x00; - cmd4[3] = 0x00; - cmd4[4] = 32; - - for (index = 0; index < 32; index++) { - pixel = 0x00; - - for (bit = 0; bit < 8; bit++) { - x = cs * 64 + index; - y = (line * 8 + bit + 0) % SCREEN_H; - - if (pLG_framebuffer[y * 256 + x] ^ inverted) - pixel |= (1 << bit); - } - cmd3[12 + index] = pixel; - } - - for (index = 32; index < 64; index++) { - pixel = 0x00; - - for (bit = 0; bit < 8; bit++) { - x = cs * 64 + index; - y = (line * 8 + bit + 0) % SCREEN_H; - if (pLG_framebuffer[y * 256 + x] ^ inverted) - pixel |= (1 << bit); - } - - cmd4[5 + (index - 32)] = pixel; - } - - drv_pLG_send(cmd3, 44); - drv_pLG_send(cmd4, 38); - } - } - - /* mark display as up-to-date */ - dirty = 0; - //drv_pLG_clear(); -} - - -#define _USBLCD_MAX_DATA_LEN 24 -#define IN_REPORT_KEY_STATE 0x11 -static void drv_pLG_update_keypad() -{ - static int pressed_key = 0; - - 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]); - int new_pressed_key = read_packet[1]; - if (pressed_key != new_pressed_key) { - /* negative values mark a key release */ - drv_generic_keypad_press(-pressed_key); - drv_generic_keypad_press(new_pressed_key); - pressed_key = new_pressed_key; - } - } -} - - -/* for graphic displays only */ -static void drv_pLG_blit(const int row, const int col, const int height, const int width) -{ - int r, c; - - //DEBUG(fprintf(stderr, "In %s called with row %d col %d height %d width %d\n", __FUNCTION__, row, col, height, width)); - - for (r = row; r < row + height; r++) { - for (c = col; c < col + width; c++) { - pLG_framebuffer[r * 256 + c] = drv_generic_graphic_black(r, c); - //fprintf(stderr, "%d", pLG_framebuffer[r * 256 + c]); - } - //fprintf(stderr, "\n"); - } - - /* - for (r = 0; r < 64; r++) { - for(c = 0; c < 256; c++) { - fprintf(stderr, "%d", pLG_framebuffer[r * 256 + c]); - } - fprintf(stderr, "\n"); - } - */ - - /* display needs to be redrawn from frame buffer */ - dirty = 1; - - /* if "direct updates" have been requested, redraw now */ - if (update <= 0) - drv_pLG_update_img(); -} - - -void drv_pLG_clear(void) -{ - unsigned char cmd[3] = { 0x93, 0x01, 0x00 }; /* init display */ - unsigned char cmd2[9] = { OUT_REPORT_CMD }; /* init display */ - unsigned char cmd3[64] = { OUT_REPORT_CMD_DATA }; /* clear screen */ - unsigned char cmd4[64] = { OUT_REPORT_CMD_DATA }; /* clear screen */ - - int init, index; - unsigned char cs, line; - - - debug("In %s\n", __FUNCTION__); - drv_pLG_send(cmd, 3); - - for (init = 0; init < 4; init++) { - unsigned char cs = ((init << 2) & 0xFF); - - cmd2[0] = OUT_REPORT_CMD; - cmd2[1] = cs; - cmd2[2] = 0x02; - cmd2[3] = 0x00; - cmd2[4] = 0x64; - cmd2[5] = 0x3F; - cmd2[6] = 0x00; - cmd2[7] = 0x64; - cmd2[8] = 0xC0; - - drv_pLG_send(cmd2, 9); - } - - - for (cs = 0; cs < 4; cs++) { - unsigned char chipsel = (cs << 2); //chipselect - for (line = 0; line < 8; line++) { - //ha64_1.setHIDPkt(OUT_REPORT_CMD_DATA, 8+3+32, 8, cs, 0x02, 0x00, 0x00, 0xb8|j, 0x00, 0x00, 0x40); - cmd3[0] = OUT_REPORT_CMD_DATA; - cmd3[1] = chipsel; - cmd3[2] = 0x02; - cmd3[3] = 0x00; - cmd3[4] = 0x00; - cmd3[5] = 0xb8 | line; - cmd3[6] = 0x00; - cmd3[7] = 0x00; - cmd3[8] = 0x40; - cmd3[9] = 0x00; - cmd3[10] = 0x00; - cmd3[11] = 32; - - unsigned char temp = 0; - - for (index = 0; index < 32; index++) { - cmd3[12 + index] = temp; - } - - drv_pLG_send(cmd3, 64); - - //ha64_2.setHIDPkt(OUT_REPORT_DATA, 4+32, 4, cs | 0x01, 0x00, 0x00, 32); - - cmd4[0] = OUT_REPORT_DATA; - cmd4[1] = chipsel | 0x01; - cmd4[2] = 0x00; - cmd4[3] = 0x00; - cmd4[4] = 32; - - for (index = 32; index < 64; index++) { - temp = 0x00; - cmd4[5 + (index - 32)] = temp; - } - drv_pLG_send(cmd4, 64); - } - } -} - -static int drv_pLG_contrast(int contrast) -{ - unsigned char cmd[2] = { 0x92 }; /* set contrast */ - - if (contrast < 0) - contrast = 0; - if (contrast > 255) - contrast = 255; - - cmd[1] = contrast; - drv_pLG_send(cmd, 2); - - return contrast; -} - - -static int drv_pLG_backlight(int backlight) -{ - unsigned char cmd[2] = { 0x91 }; /* set backlight */ - - if (backlight < 0) - backlight = 0; - if (backlight >= 1) - backlight = 200; - - cmd[1] = backlight; - drv_pLG_send(cmd, 2); - - return backlight; -} - -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 */ - - if (num < 0) - num = 0; - if (num > 7) - num = 7; - - if (val < 0) - val = 0; - if (val > 1) - val = 1; - - /* set led bit to 1 or 0 */ - if (val) - gpo |= 1 << num; - else - gpo &= ~(1 << num); - - cmd[1] = gpo; - drv_pLG_send(cmd, 2); - - return val; -} - -static int drv_pLG_start(const char *section, const int quiet) -{ - int rows = -1, cols = -1; - int value; - char *s; - - /* set display redraw interval (set to zero for "direct updates") */ - cfg_number(section, "update", 200, 0, -1, &update); - - /* USB read timeout in ms (the picoLCD 256x64 times out on every - read unless a key has been pressed!) */ - cfg_number(section, "Timeout", 5, 1, 1000, &read_timeout); - - s = cfg_get(section, "Size", NULL); - if (s == NULL || *s == '\0') { - error("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); - return -1; - } - if (sscanf(s, "%dx%d", &cols, &rows) != 2 || rows < 1 || cols < 1) { - error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); - free(s); - return -1; - } - - if (cfg_number(section, "Inverted", 0, 0, 1, &value) > 0) { - info("Setting display inverted to %d", value); - inverted = value; - } - - DROWS = SCREEN_H; - DCOLS = SCREEN_W; - - if (drv_pLG_open() < 0) { - return -1; - } - - /* Init the command buffer */ - Buffer = (char *) malloc(1024); - if (Buffer == NULL) { - error("%s: coommand buffer could not be allocated: malloc() failed", Name); - return -1; - } - BufPtr = Buffer; - - /* Init framebuffer buffer */ - pLG_framebuffer = malloc(SCREEN_W * SCREEN_H * sizeof(unsigned char)); - if (!pLG_framebuffer) - return -1; - - DEBUG("allocated"); - memset(pLG_framebuffer, 0, SCREEN_W * SCREEN_H); - DEBUG("zeroed"); - - if (cfg_number(section, "Contrast", 0, 0, 255, &value) > 0) { - info("Setting contrast to %d", value); - drv_pLG_contrast(value); - } - - if (cfg_number(section, "Backlight", 0, 0, 1, &value) > 0) { - info("Setting backlight to %d", value); - drv_pLG_backlight(value); - } - - drv_pLG_clear(); /* clear display */ - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, SCREEN_W, SCREEN_H); - if (drv_generic_graphic_greet(buffer, "http://www.picolcd.com")) { - sleep(3); - drv_pLG_clear(); - } - } - - /* setup a timer that regularly redraws the display from the frame - buffer (unless "direct updates" have been requested */ - if (update > 0) - timer_add(drv_pLG_update_img, NULL, update, 0); - - /* setup a timer that regularly checks the keypad for pressed or - released keys */ - /* FIXME: make 100msec configurable */ - timer_add(drv_pLG_update_keypad, NULL, 100, 0); - - return 0; -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -static void plugin_contrast(RESULT * result, RESULT * arg1) -{ - double contrast; - - contrast = drv_pLG_contrast(R2N(arg1)); - SetResult(&result, R_NUMBER, &contrast); -} - -static void plugin_backlight(RESULT * result, RESULT * arg1) -{ - double backlight; - - backlight = drv_pLG_backlight(R2N(arg1)); - SetResult(&result, R_NUMBER, &backlight); -} - -static void plugin_gpo(RESULT * result, RESULT * argv[]) -{ - double gpo; - gpo = drv_pLG_gpo(R2N(argv[0]), R2N(argv[1])); - SetResult(&result, R_NUMBER, &gpo); -} - - -/****************************************/ -/*** widget callbacks ***/ -/****************************************/ - - -/* using drv_generic_text_draw(W) */ -/* using drv_generic_text_icon_draw(W) */ -/* using drv_generic_text_bar_draw(W) */ - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_pLG_list(void) -{ - printf("picoLCD 256x64 Graphic LCD"); - return 0; -} - - -static int drv_pLG_keypad(const int num) -{ - int val; - int new_num = num; - - if (new_num == 0) - return 0; - else if (new_num > 0) - val = WIDGET_KEY_PRESSED; - else { - /* negative values mark a key release */ - new_num = -num; - val = WIDGET_KEY_RELEASED; - } - - switch (new_num) { - case 1: - val += WIDGET_KEY_CANCEL; - break; - case 2: - val += WIDGET_KEY_LEFT; - break; - case 3: - val += WIDGET_KEY_RIGHT; - break; - case 5: - val += WIDGET_KEY_UP; - break; - case 6: - val += WIDGET_KEY_CONFIRM; - break; - case 7: - val += WIDGET_KEY_DOWN; - break; - default: - error("%s: unknown keypad value %d", Name, num); - } - - return val; -} - - -/* initialize driver & display */ -int drv_pLG_init(const char *section, const int quiet) -{ - int ret; - - info("%s: %s", Name, "$Rev$"); - - info("PICOLCD Graphic initialization\n"); - - /* display preferences */ - 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_keypad_real_press = drv_pLG_keypad; - 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) - return ret; - - - /* initialize generic graphic driver */ - if ((ret = drv_generic_graphic_init(section, Name)) != 0) - return ret; - - - /* initialize generic key pad driver */ - if ((ret = drv_generic_keypad_init(section, Name)) != 0) - return ret; - - - /* GPO's init */ - - if ((ret = drv_generic_gpio_init(section, Name)) != 0) - return ret; - - /* register plugins */ - - AddFunction("LCD::contrast", 1, plugin_contrast); - AddFunction("LCD::backlight", 1, plugin_backlight); - AddFunction("LCD::gpo", -1, plugin_gpo); - - return 0; -} - - -/* close driver & display */ -int drv_pLG_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - /* clear display */ - drv_pLG_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_graphic_greet("goodbye!", NULL); - } - - drv_pLG_close(); - - if (Buffer) { - free(Buffer); - BufPtr = NULL; - } - - drv_generic_graphic_quit(); - drv_generic_keypad_quit(); - - return (0); -} - - -DRIVER drv_picoLCDGraphic = { - .name = Name, - .list = drv_pLG_list, - .init = drv_pLG_init, - .quit = drv_pLG_quit, -}; |
