diff options
Diffstat (limited to 'ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/U8glib/utility/u8g_dev_lc7981_160x80.c')
| -rwxr-xr-x | ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/U8glib/utility/u8g_dev_lc7981_160x80.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/U8glib/utility/u8g_dev_lc7981_160x80.c b/ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/U8glib/utility/u8g_dev_lc7981_160x80.c new file mode 100755 index 000000000..e05fa03a9 --- /dev/null +++ b/ArduinoAddons/Arduino_1.6.x/hardware/marlin/avr/libraries/U8glib/utility/u8g_dev_lc7981_160x80.c @@ -0,0 +1,147 @@ +/* + + u8g_dev_lc7981_160x80.c + + Universal 8bit Graphics Library + + Copyright (c) 2011, olikraus@gmail.com + All rights reserved. + + Redistribution and use in source and binary forms, with or without modification, + are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list + of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or other + materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +*/ + +#include "u8g.h" + +#define WIDTH 160 +#define HEIGHT 80 +#define PAGE_HEIGHT 8 + + +/* + code ideas: + https://github.com/vsergeev/embedded-drivers/tree/master/avr-lc7981 + data sheets: + http://www.lcd-module.de/eng/pdf/zubehoer/lc7981.pdf + http://www.lcd-module.de/pdf/grafik/w160-6.pdf +*/ + +static const uint8_t u8g_dev_lc7981_160x80_init_seq[] PROGMEM = { + U8G_ESC_CS(0), /* disable chip */ + U8G_ESC_ADR(1), /* instruction mode */ + U8G_ESC_RST(15), /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/ + U8G_ESC_CS(1), /* enable chip */ + U8G_ESC_DLY(50), /* delay 50 ms */ + + + U8G_ESC_ADR(1), /* instruction mode */ + 0x000, /* mode register */ + U8G_ESC_ADR(0), /* data mode */ + 0x032, /* display on (bit 5), master mode on (bit 4), graphics mode on (bit 1)*/ + + U8G_ESC_ADR(1), /* instruction mode */ + 0x001, /* character/bits per pixel pitch */ + U8G_ESC_ADR(0), /* data mode */ + 0x007, /* 8 bits per pixel */ + + U8G_ESC_ADR(1), /* instruction mode */ + 0x002, /* number of chars/byte width of the screen */ + U8G_ESC_ADR(0), /* data mode */ + WIDTH/8-1, /* 8 bits per pixel */ + + U8G_ESC_ADR(1), /* instruction mode */ + 0x003, /* time division */ + U8G_ESC_ADR(0), /* data mode */ + 0x07f, /* */ + + U8G_ESC_ADR(1), /* instruction mode */ + 0x008, /* display start low */ + U8G_ESC_ADR(0), /* data mode */ + 0x000, /* */ + + U8G_ESC_ADR(1), /* instruction mode */ + 0x009, /* display start high */ + U8G_ESC_ADR(0), /* data mode */ + 0x000, /* */ + + U8G_ESC_DLY(10), /* delay 10 ms */ + + U8G_ESC_CS(0), /* disable chip */ + U8G_ESC_END /* end of sequence */ +}; + +uint8_t u8g_dev_lc7981_160x80_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) +{ + switch(msg) + { + case U8G_DEV_MSG_INIT: + u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE); + u8g_WriteEscSeqP(u8g, dev, u8g_dev_lc7981_160x80_init_seq); + break; + case U8G_DEV_MSG_STOP: + break; + case U8G_DEV_MSG_PAGE_NEXT: + { + uint8_t y, i; + uint16_t disp_ram_adr; + uint8_t *ptr; + u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem); + + u8g_SetAddress(u8g, dev, 1); /* cmd mode */ + u8g_SetChipSelect(u8g, dev, 1); + y = pb->p.page_y0; + ptr = pb->buf; + disp_ram_adr = WIDTH/8; + disp_ram_adr *= y; + for( i = 0; i < 8; i ++ ) + { + u8g_SetAddress(u8g, dev, 1); /* cmd mode */ + u8g_WriteByte(u8g, dev, 0x00a ); /* display ram (cursor) address low byte */ + u8g_SetAddress(u8g, dev, 0); /* data mode */ + u8g_WriteByte(u8g, dev, disp_ram_adr & 0x0ff ); + + u8g_SetAddress(u8g, dev, 1); /* cmd mode */ + u8g_WriteByte(u8g, dev, 0x00b ); /* display ram (cursor) address hight byte */ + u8g_SetAddress(u8g, dev, 0); /* data mode */ + u8g_WriteByte(u8g, dev, disp_ram_adr >> 8 ); + + u8g_SetAddress(u8g, dev, 1); /* cmd mode */ + u8g_WriteByte(u8g, dev, 0x00c ); /* write data */ + u8g_SetAddress(u8g, dev, 0); /* data mode */ + u8g_WriteSequence(u8g, dev, WIDTH/8, ptr); + ptr += WIDTH/8; + disp_ram_adr += WIDTH/8; + } + u8g_SetChipSelect(u8g, dev, 0); + } + break; + } + return u8g_dev_pb8h1f_base_fn(u8g, dev, msg, arg); +} + +U8G_PB_DEV(u8g_dev_lc7981_160x80_8bit, WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_lc7981_160x80_fn, U8G_COM_FAST_PARALLEL); + + |