diff options
Diffstat (limited to 'glcddrivers/st7565r-reel.c')
| -rw-r--r-- | glcddrivers/st7565r-reel.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/glcddrivers/st7565r-reel.c b/glcddrivers/st7565r-reel.c new file mode 100644 index 0000000..1890a7a --- /dev/null +++ b/glcddrivers/st7565r-reel.c @@ -0,0 +1,342 @@ +/** + * GraphLCD driver library + * + * st7565-reel.c - Plugin for ST7565 display on Reelbox + * driven by an AVR on the front panel + * + * (c) 2004 Georg Acher, BayCom GmbH, http://www.baycom.de + * based on simlcd.c by Carsten Siebholz + **/ + +/*************************************************************************** + * * + * 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 * + * (at your option) 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., * + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * + * * + ***************************************************************************/ + +#include <errno.h> +#include <fcntl.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <syslog.h> +#include <termios.h> +#include <sys/time.h> +#include <sys/ioctl.h> +#include <inttypes.h> + +#include "common.h" +#include "config.h" + +#include "st7565r-reel.h" +#include "port.h" + + +namespace GLCD +{ + +cDriverST7565RReel::cDriverST7565RReel(cDriverConfig * config) : cDriver(config) +{ +} + + +int cDriverST7565RReel::Init(void) +{ + width = config->width; + if (width < 0) + width = 128; + height = config->height; + if (height < 0) + height = 64; + + for (unsigned int i = 0; i < config->options.size(); i++) + { + if (config->options[i].name == "") + { + } + } + + // setup lcd array + LCD = new uint32_t *[width]; + if (LCD) + { + for (int x = 0; x < width; x++) + { + LCD[x] = new uint32_t[height]; + } + } + + int bdflag=B115200; + struct termios tty; + fd = open(config->device.c_str(), O_RDWR|O_NONBLOCK|O_NOCTTY); + fcntl(fd,F_SETFL,0); + + tcgetattr(fd, &tty); + tty.c_iflag = IGNBRK | IGNPAR; + tty.c_oflag = 0; + tty.c_lflag = 0; + tty.c_line = 0; + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 1; + tty.c_cflag = CS8|CREAD|HUPCL; + cfsetispeed(&tty,bdflag); + cfsetospeed(&tty,bdflag); + tcsetattr(fd, TCSAFLUSH, &tty); + + *oldConfig = *config; + set_displaymode(0); + set_clock(); + // clear display + Clear(); + + syslog(LOG_INFO, "%s: ST7565R initialized.\n", config->name.c_str()); + return 0; +} + +int cDriverST7565RReel::DeInit(void) +{ + // free lcd array + + if (fd>0) + { +// clear_display(); +// set_displaymode(1); // Clock +// syslog(LOG_INFO, "deint.\n"); + close(fd); + } + + // free lcd array + if (LCD) + { + for (int x = 0; x < width; x++) + { + delete[] LCD[x]; + } + delete[] LCD; + } + + return 0; +} + + +int cDriverST7565RReel::CheckSetup(void) +{ + if (config->device != oldConfig->device || + config->width != oldConfig->width || + config->height != oldConfig->height) + { + DeInit(); + Init(); + return 0; + } + if (config->brightness != oldConfig->brightness) + { + oldConfig->brightness = config->brightness; + SetBrightness(config->brightness); + usleep(500000); + } + if (config->contrast != oldConfig->contrast) + { + oldConfig->contrast = config->contrast; + SetContrast(config->contrast); + } + if (config->upsideDown != oldConfig->upsideDown || + config->invert != oldConfig->invert) + { + oldConfig->upsideDown = config->upsideDown; + oldConfig->invert = config->invert; + return 1; + } + return 0; +} + + +void cDriverST7565RReel::Clear(void) +{ + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + LCD[x][y] = GRAPHLCD_White; + } + } +// syslog(LOG_INFO, "Clear.\n"); + +} + +void cDriverST7565RReel::SetPixel(int x, int y, uint32_t data) +/*{ + if (x > width || y > height) + return; + if (config->upsideDown) + { + // upside down orientation + x = width - 1 - x; + y = height - 1 - y; + } +// syslog(LOG_INFO, "setpixel.\n"); + LCD[x][y] = data;*/ +{ + if (x >= width || y >= height) + return; + + int pos = x % 8; + if (config->upsideDown) + { + x = width - 1 - x; + y = height - 1 - y; + } else { + pos = 7 - pos; // reverse bit position + } + + if (data == GRAPHLCD_White) + LCD[x / 8][y] |= (1 << pos); + else + LCD[x / 8][y] &= ( 0xFF ^ (1 << pos) ); +} + +void cDriverST7565RReel::Refresh(bool refreshAll) +{ + int x,y,xx,yy; + int i; + unsigned char c; + int rx; + int invert; + + CheckSetup(); + if (!LCD) + return; + invert=(config->invert != 0) ? 0xff : 0x00; + if (fd>=0) + { + for (y = 0; y < (height); y+=8) + { + display_cmd( 0xb0+((y/8)&15)); + for (x = 0; x < width / 8; x+=4) + { + unsigned char d[32]={0}; + + for(yy=0;yy<8;yy++) + { + for (xx=0;xx<4;xx++) + { + c = (LCD[x+xx][y+yy])^invert; + + for (i = 0; i < 8; i++) + { + d[i+xx*8]>>=1; + if (c & 0x80) + d[i+xx*8]|=0x80; + c<<=1; + } + } + } + rx=4+x*8; +// printf("X %i, y%i\n",rx,y); + + display_cmd( 0x10+((rx>>4)&15)); + display_cmd( 0x00+(rx&15)); + display_data( d,32); + } + } + } +// syslog(LOG_INFO, "refresh.\n"); +} +void cDriverST7565RReel::Set8Pixels(int x, int y, unsigned char data) +{ + if (!LCD) + return; + + clip(x, 0, width - 1); + clip(y, 0, height - 1); + + if (1) // !config->upsideDown) + { + // normal orientation +// syslog(LOG_INFO, "%s: set8pixel normal.\n"); + LCD[x / 8][y] = LCD[x / 8][y] | data; + } + else + { + // upside down orientation + x = width - 1 - x; + y = height - 1 - y; +// syslog(LOG_INFO, "%s: set8pixel flip.\n", LCD); + LCD[x /8][y] = LCD[x / 8][y] | ReverseBits(data); + } +} + +void cDriverST7565RReel::display_cmd( unsigned char cmd) +{ + unsigned char buf[]={0xa5, 0x05, 3, 0, cmd}; + write(fd,buf,5); +// syslog(LOG_INFO, "%s: display cmd.\n", cmd); +} + +void cDriverST7565RReel::display_data( unsigned char *data, int l) +{ + unsigned char buf[64]={0xa5,0x05,l+2,+1}; + memcpy(buf+4,data,l); + write(fd,buf,l+4); +// syslog(LOG_INFO, "%s: display data.\n", data); +} +void cDriverST7565RReel::set_displaymode(int m) +{ + char buf[]={0xa5,0x09,m}; + write(fd,buf,3); +// syslog(LOG_INFO, "displaymode.\n"); +} + +void cDriverST7565RReel::set_clock(void) +{ + time_t t; + struct tm tm; + t=time(0); + localtime_r(&t,&tm); + { + char buf[]={0xa5,0x7,tm.tm_hour,tm.tm_min,tm.tm_sec, + t>>24,t>>16,t>>8,t}; + write(fd,buf,9); + } +// syslog(LOG_INFO, "set_clock cmd.\n"); +} + +void cDriverST7565RReel::clear_display(void) +{ + char buf[]={0xa5,0x04}; + write(fd,buf,2); +// syslog(LOG_INFO, "clear_display cmd.\n"); +} + +void cDriverST7565RReel::SetBrightness(unsigned int percent) +{ + char buf[]={0xa5,0x02, 0x00, 0x00}; + int n=static_cast<int>(percent*2.5); + if (n>255) + n=255; + buf[2]=(char)(n); + write(fd,buf,4); +} + +void cDriverST7565RReel::SetContrast(unsigned int val) +{ + char buf[]={0xa5,0x03, 0x00, 0x00}; + buf[2]=(char)(val*25); + write(fd,buf,4); +} + + +} |