Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
u8glibARM/u8g_dev_st7920_192x32.c@1:0e75de2a5d21, 2016-06-13 (annotated)
- Committer:
- lixianyu
- Date:
- Mon Jun 13 02:21:11 2016 +0000
- Revision:
- 1:0e75de2a5d21
- Parent:
- 0:d8f4c441e032
u8glib???????????????????????????Adafruit_GFX????OLED????????bitmap??????
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| lixianyu | 0:d8f4c441e032 | 1 | /* |
| lixianyu | 0:d8f4c441e032 | 2 | |
| lixianyu | 0:d8f4c441e032 | 3 | u8g_dev_st7920_192x32.c |
| lixianyu | 0:d8f4c441e032 | 4 | |
| lixianyu | 0:d8f4c441e032 | 5 | Universal 8bit Graphics Library |
| lixianyu | 0:d8f4c441e032 | 6 | |
| lixianyu | 0:d8f4c441e032 | 7 | Copyright (c) 2011, olikraus@gmail.com |
| lixianyu | 0:d8f4c441e032 | 8 | All rights reserved. |
| lixianyu | 0:d8f4c441e032 | 9 | |
| lixianyu | 0:d8f4c441e032 | 10 | Redistribution and use in source and binary forms, with or without modification, |
| lixianyu | 0:d8f4c441e032 | 11 | are permitted provided that the following conditions are met: |
| lixianyu | 0:d8f4c441e032 | 12 | |
| lixianyu | 0:d8f4c441e032 | 13 | * Redistributions of source code must retain the above copyright notice, this list |
| lixianyu | 0:d8f4c441e032 | 14 | of conditions and the following disclaimer. |
| lixianyu | 0:d8f4c441e032 | 15 | |
| lixianyu | 0:d8f4c441e032 | 16 | * Redistributions in binary form must reproduce the above copyright notice, this |
| lixianyu | 0:d8f4c441e032 | 17 | list of conditions and the following disclaimer in the documentation and/or other |
| lixianyu | 0:d8f4c441e032 | 18 | materials provided with the distribution. |
| lixianyu | 0:d8f4c441e032 | 19 | |
| lixianyu | 0:d8f4c441e032 | 20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| lixianyu | 0:d8f4c441e032 | 21 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| lixianyu | 0:d8f4c441e032 | 22 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| lixianyu | 0:d8f4c441e032 | 23 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| lixianyu | 0:d8f4c441e032 | 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
| lixianyu | 0:d8f4c441e032 | 25 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| lixianyu | 0:d8f4c441e032 | 26 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| lixianyu | 0:d8f4c441e032 | 27 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| lixianyu | 0:d8f4c441e032 | 28 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| lixianyu | 0:d8f4c441e032 | 29 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| lixianyu | 0:d8f4c441e032 | 30 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| lixianyu | 0:d8f4c441e032 | 31 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| lixianyu | 0:d8f4c441e032 | 32 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| lixianyu | 0:d8f4c441e032 | 33 | |
| lixianyu | 0:d8f4c441e032 | 34 | |
| lixianyu | 0:d8f4c441e032 | 35 | */ |
| lixianyu | 0:d8f4c441e032 | 36 | |
| lixianyu | 0:d8f4c441e032 | 37 | #include "u8g.h" |
| lixianyu | 0:d8f4c441e032 | 38 | |
| lixianyu | 0:d8f4c441e032 | 39 | #define WIDTH 192 |
| lixianyu | 0:d8f4c441e032 | 40 | #define HEIGHT 32 |
| lixianyu | 0:d8f4c441e032 | 41 | |
| lixianyu | 0:d8f4c441e032 | 42 | |
| lixianyu | 0:d8f4c441e032 | 43 | /* init sequence from https://github.com/adafruit/ST7565-LCD/blob/master/ST7565/ST7565.cpp */ |
| lixianyu | 0:d8f4c441e032 | 44 | static const uint8_t u8g_dev_st7920_192x32_init_seq[] PROGMEM = { |
| lixianyu | 0:d8f4c441e032 | 45 | U8G_ESC_CS(0), /* disable chip */ |
| lixianyu | 0:d8f4c441e032 | 46 | U8G_ESC_ADR(0), /* instruction mode */ |
| lixianyu | 0:d8f4c441e032 | 47 | U8G_ESC_RST(15), /* do reset low pulse with (15*16)+2 milliseconds (=maximum delay)*/ |
| lixianyu | 0:d8f4c441e032 | 48 | U8G_ESC_DLY(100), /* 8 Dez 2012: additional delay 100 ms because of reset*/ |
| lixianyu | 0:d8f4c441e032 | 49 | U8G_ESC_CS(1), /* enable chip */ |
| lixianyu | 0:d8f4c441e032 | 50 | U8G_ESC_DLY(50), /* delay 50 ms */ |
| lixianyu | 0:d8f4c441e032 | 51 | |
| lixianyu | 0:d8f4c441e032 | 52 | 0x038, /* 8 Bit interface (DL=1), basic instruction set (RE=0) */ |
| lixianyu | 0:d8f4c441e032 | 53 | 0x00c, /* display on, cursor & blink off; 0x08: all off */ |
| lixianyu | 0:d8f4c441e032 | 54 | 0x006, /* Entry mode: Cursor move to right ,DDRAM address counter (AC) plus 1, no shift */ |
| lixianyu | 0:d8f4c441e032 | 55 | 0x002, /* disable scroll, enable CGRAM adress */ |
| lixianyu | 0:d8f4c441e032 | 56 | 0x001, /* clear RAM, needs 1.6 ms */ |
| lixianyu | 0:d8f4c441e032 | 57 | U8G_ESC_DLY(100), /* delay 10 ms */ |
| lixianyu | 0:d8f4c441e032 | 58 | |
| lixianyu | 0:d8f4c441e032 | 59 | U8G_ESC_CS(0), /* disable chip */ |
| lixianyu | 0:d8f4c441e032 | 60 | U8G_ESC_END /* end of sequence */ |
| lixianyu | 0:d8f4c441e032 | 61 | }; |
| lixianyu | 0:d8f4c441e032 | 62 | |
| lixianyu | 0:d8f4c441e032 | 63 | uint8_t u8g_dev_st7920_192x32_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) |
| lixianyu | 0:d8f4c441e032 | 64 | { |
| lixianyu | 0:d8f4c441e032 | 65 | switch(msg) |
| lixianyu | 0:d8f4c441e032 | 66 | { |
| lixianyu | 0:d8f4c441e032 | 67 | case U8G_DEV_MSG_INIT: |
| lixianyu | 0:d8f4c441e032 | 68 | u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS); |
| lixianyu | 0:d8f4c441e032 | 69 | u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7920_192x32_init_seq); |
| lixianyu | 0:d8f4c441e032 | 70 | break; |
| lixianyu | 0:d8f4c441e032 | 71 | case U8G_DEV_MSG_STOP: |
| lixianyu | 0:d8f4c441e032 | 72 | break; |
| lixianyu | 0:d8f4c441e032 | 73 | case U8G_DEV_MSG_PAGE_NEXT: |
| lixianyu | 0:d8f4c441e032 | 74 | { |
| lixianyu | 0:d8f4c441e032 | 75 | uint8_t y, i; |
| lixianyu | 0:d8f4c441e032 | 76 | uint8_t *ptr; |
| lixianyu | 0:d8f4c441e032 | 77 | u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem); |
| lixianyu | 0:d8f4c441e032 | 78 | |
| lixianyu | 0:d8f4c441e032 | 79 | u8g_SetAddress(u8g, dev, 0); /* cmd mode */ |
| lixianyu | 0:d8f4c441e032 | 80 | u8g_SetChipSelect(u8g, dev, 1); |
| lixianyu | 0:d8f4c441e032 | 81 | y = pb->p.page_y0; |
| lixianyu | 0:d8f4c441e032 | 82 | ptr = pb->buf; |
| lixianyu | 0:d8f4c441e032 | 83 | for( i = 0; i < 8; i ++ ) |
| lixianyu | 0:d8f4c441e032 | 84 | { |
| lixianyu | 0:d8f4c441e032 | 85 | u8g_SetAddress(u8g, dev, 0); /* cmd mode */ |
| lixianyu | 0:d8f4c441e032 | 86 | u8g_WriteByte(u8g, dev, 0x03e ); /* enable extended mode */ |
| lixianyu | 0:d8f4c441e032 | 87 | u8g_WriteByte(u8g, dev, 0x080 | y ); /* y pos */ |
| lixianyu | 0:d8f4c441e032 | 88 | u8g_WriteByte(u8g, dev, 0x080 ); /* set x pos to 0*/ |
| lixianyu | 0:d8f4c441e032 | 89 | u8g_SetAddress(u8g, dev, 1); /* data mode */ |
| lixianyu | 0:d8f4c441e032 | 90 | u8g_WriteSequence(u8g, dev, WIDTH/8, ptr); |
| lixianyu | 0:d8f4c441e032 | 91 | ptr += WIDTH/8; |
| lixianyu | 0:d8f4c441e032 | 92 | y++; |
| lixianyu | 0:d8f4c441e032 | 93 | } |
| lixianyu | 0:d8f4c441e032 | 94 | u8g_SetChipSelect(u8g, dev, 0); |
| lixianyu | 0:d8f4c441e032 | 95 | } |
| lixianyu | 0:d8f4c441e032 | 96 | break; |
| lixianyu | 0:d8f4c441e032 | 97 | } |
| lixianyu | 0:d8f4c441e032 | 98 | return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg); |
| lixianyu | 0:d8f4c441e032 | 99 | } |
| lixianyu | 0:d8f4c441e032 | 100 | |
| lixianyu | 0:d8f4c441e032 | 101 | uint8_t u8g_dev_st7920_192x32_4x_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) |
| lixianyu | 0:d8f4c441e032 | 102 | { |
| lixianyu | 0:d8f4c441e032 | 103 | switch(msg) |
| lixianyu | 0:d8f4c441e032 | 104 | { |
| lixianyu | 0:d8f4c441e032 | 105 | case U8G_DEV_MSG_INIT: |
| lixianyu | 0:d8f4c441e032 | 106 | u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_400NS); |
| lixianyu | 0:d8f4c441e032 | 107 | u8g_WriteEscSeqP(u8g, dev, u8g_dev_st7920_192x32_init_seq); |
| lixianyu | 0:d8f4c441e032 | 108 | break; |
| lixianyu | 0:d8f4c441e032 | 109 | case U8G_DEV_MSG_STOP: |
| lixianyu | 0:d8f4c441e032 | 110 | break; |
| lixianyu | 0:d8f4c441e032 | 111 | case U8G_DEV_MSG_PAGE_NEXT: |
| lixianyu | 0:d8f4c441e032 | 112 | { |
| lixianyu | 0:d8f4c441e032 | 113 | uint8_t y, i; |
| lixianyu | 0:d8f4c441e032 | 114 | uint8_t *ptr; |
| lixianyu | 0:d8f4c441e032 | 115 | u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem); |
| lixianyu | 0:d8f4c441e032 | 116 | |
| lixianyu | 0:d8f4c441e032 | 117 | u8g_SetAddress(u8g, dev, 0); /* cmd mode */ |
| lixianyu | 0:d8f4c441e032 | 118 | u8g_SetChipSelect(u8g, dev, 1); |
| lixianyu | 0:d8f4c441e032 | 119 | y = pb->p.page_y0; |
| lixianyu | 0:d8f4c441e032 | 120 | ptr = pb->buf; |
| lixianyu | 0:d8f4c441e032 | 121 | for( i = 0; i < 32; i ++ ) |
| lixianyu | 0:d8f4c441e032 | 122 | { |
| lixianyu | 0:d8f4c441e032 | 123 | u8g_SetAddress(u8g, dev, 0); /* cmd mode */ |
| lixianyu | 0:d8f4c441e032 | 124 | u8g_WriteByte(u8g, dev, 0x03e ); /* enable extended mode */ |
| lixianyu | 0:d8f4c441e032 | 125 | u8g_WriteByte(u8g, dev, 0x080 | y ); /* y pos */ |
| lixianyu | 0:d8f4c441e032 | 126 | u8g_WriteByte(u8g, dev, 0x080 ); /* set x pos to 0*/ |
| lixianyu | 0:d8f4c441e032 | 127 | u8g_SetAddress(u8g, dev, 1); /* data mode */ |
| lixianyu | 0:d8f4c441e032 | 128 | u8g_WriteSequence(u8g, dev, WIDTH/8, ptr); |
| lixianyu | 0:d8f4c441e032 | 129 | ptr += WIDTH/8; |
| lixianyu | 0:d8f4c441e032 | 130 | y++; |
| lixianyu | 0:d8f4c441e032 | 131 | } |
| lixianyu | 0:d8f4c441e032 | 132 | u8g_SetChipSelect(u8g, dev, 0); |
| lixianyu | 0:d8f4c441e032 | 133 | } |
| lixianyu | 0:d8f4c441e032 | 134 | break; |
| lixianyu | 0:d8f4c441e032 | 135 | } |
| lixianyu | 0:d8f4c441e032 | 136 | return u8g_dev_pb32h1_base_fn(u8g, dev, msg, arg); |
| lixianyu | 0:d8f4c441e032 | 137 | } |
| lixianyu | 0:d8f4c441e032 | 138 | |
| lixianyu | 0:d8f4c441e032 | 139 | |
| lixianyu | 0:d8f4c441e032 | 140 | U8G_PB_DEV(u8g_dev_st7920_192x32_sw_spi, WIDTH, HEIGHT, 8, u8g_dev_st7920_192x32_fn, U8G_COM_ST7920_SW_SPI); |
| lixianyu | 0:d8f4c441e032 | 141 | U8G_PB_DEV(u8g_dev_st7920_192x32_hw_spi, WIDTH, HEIGHT, 8, u8g_dev_st7920_192x32_fn, U8G_COM_ST7920_HW_SPI); |
| lixianyu | 0:d8f4c441e032 | 142 | U8G_PB_DEV(u8g_dev_st7920_192x32_8bit, WIDTH, HEIGHT, 8, u8g_dev_st7920_192x32_fn, U8G_COM_FAST_PARALLEL); |
| lixianyu | 0:d8f4c441e032 | 143 | |
| lixianyu | 0:d8f4c441e032 | 144 | |
| lixianyu | 0:d8f4c441e032 | 145 | #define QWIDTH (WIDTH*4) |
| lixianyu | 0:d8f4c441e032 | 146 | uint8_t u8g_dev_st7920_192x32_4x_buf[QWIDTH] U8G_NOCOMMON ; |
| lixianyu | 0:d8f4c441e032 | 147 | u8g_pb_t u8g_dev_st7920_192x32_4x_pb = { {32, HEIGHT, 0, 0, 0}, WIDTH, u8g_dev_st7920_192x32_4x_buf}; |
| lixianyu | 0:d8f4c441e032 | 148 | u8g_dev_t u8g_dev_st7920_192x32_4x_sw_spi = { u8g_dev_st7920_192x32_4x_fn, &u8g_dev_st7920_192x32_4x_pb, U8G_COM_ST7920_SW_SPI }; |
| lixianyu | 0:d8f4c441e032 | 149 | u8g_dev_t u8g_dev_st7920_192x32_4x_hw_spi = { u8g_dev_st7920_192x32_4x_fn, &u8g_dev_st7920_192x32_4x_pb, U8G_COM_ST7920_HW_SPI }; |
| lixianyu | 0:d8f4c441e032 | 150 | u8g_dev_t u8g_dev_st7920_192x32_4x_8bit = { u8g_dev_st7920_192x32_4x_fn, &u8g_dev_st7920_192x32_4x_pb, U8G_COM_FAST_PARALLEL }; |
| lixianyu | 0:d8f4c441e032 | 151 | |
| lixianyu | 0:d8f4c441e032 | 152 |