u8g_dev_uc1611_dogm240.c 4.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126
  1. /*
  2. u8g_dev_uc1611_dogm240.c
  3. Universal 8bit Graphics Library
  4. Copyright (c) 2014, dev.menges.jonas@gmail.com
  5. All rights reserved.
  6. Redistribution and use in source and binary forms, with or without modification,
  7. are permitted provided that the following conditions are met:
  8. * Redistributions of source code must retain the above copyright notice, this list
  9. of conditions and the following disclaimer.
  10. * Redistributions in binary form must reproduce the above copyright notice, this
  11. list of conditions and the following disclaimer in the documentation and/or other
  12. materials provided with the distribution.
  13. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  14. CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  15. INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  16. MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17. DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
  18. CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  19. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20. NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  21. LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  22. CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  23. STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24. ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25. ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. #include "u8g.h"
  28. #define WIDTH 240
  29. #define HEIGHT 64
  30. #define PAGE_HEIGHT 8
  31. static const uint8_t u8g_dev_uc1611_dogm240_init_seq[] PROGMEM = {
  32. U8G_ESC_CS(0), /* disable chip */
  33. U8G_ESC_ADR(0), /* instruction mode */
  34. U8G_ESC_RST(1), /* do reset low pulse with (1*16)+2 milliseconds */
  35. U8G_ESC_DLY(200),
  36. U8G_ESC_CS(1), // enable chip
  37. U8G_ESC_ADR(0), // instruction mode
  38. 0xe2, // system reset
  39. U8G_ESC_DLY(1),
  40. 0x2f, // enable internal charge pump
  41. 0xF1, // set last COM electrode
  42. 0x3F, // 64-1=63
  43. 0xF2, // set display start line
  44. 0x00, // 0
  45. 0xF3, // set display end line
  46. 0x3F, // 64-1=63
  47. 0x81, // set contrast (0-255)
  48. 0xB7, // 183
  49. 0xC0, // set view
  50. //0x04, // topview
  51. 0x02, // bottomview
  52. 0xA3, // set line rate (9.4k)
  53. 0xE9, // set bias ratio (10)
  54. 0xA9, // enable display
  55. 0xD1, // set black and white mode
  56. U8G_ESC_CS(0), // disable chip
  57. U8G_ESC_END // end of sequence
  58. };
  59. static void setPage(u8g_t *u8g, u8g_dev_t *dev, unsigned char page)
  60. {
  61. u8g_WriteByte(u8g, dev, 0x70 + (page>>4));
  62. u8g_WriteByte(u8g, dev, 0x60 + (page&0x0F));
  63. }
  64. static const uint8_t u8g_dev_uc1611_dogm240_data_start[] PROGMEM = {
  65. U8G_ESC_ADR(0), /* instruction mode */
  66. U8G_ESC_CS(1), /* enable chip */
  67. 0x10, /* set upper 4 bit of the col adr to 0 */
  68. 0x00, /* set lower 4 bit of the col adr to 0 */
  69. U8G_ESC_END /* end of sequence */
  70. };
  71. uint8_t u8g_dev_uc1611_dogm240_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
  72. {
  73. switch(msg)
  74. {
  75. case U8G_DEV_MSG_INIT:
  76. u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
  77. u8g_WriteEscSeqP(u8g, dev, u8g_dev_uc1611_dogm240_init_seq);
  78. break;
  79. case U8G_DEV_MSG_STOP:
  80. break;
  81. case U8G_DEV_MSG_PAGE_NEXT:
  82. {
  83. u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
  84. u8g_WriteEscSeqP(u8g, dev, u8g_dev_uc1611_dogm240_data_start);
  85. setPage(u8g, dev, pb->p.page); /* select current page (uc1611) */
  86. u8g_SetAddress(u8g, dev, 1); /* data mode */
  87. if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
  88. return 0;
  89. u8g_SetChipSelect(u8g, dev, 0);
  90. }
  91. break;
  92. case U8G_DEV_MSG_CONTRAST:
  93. u8g_SetChipSelect(u8g, dev, 1);
  94. u8g_SetAddress(u8g, dev, 0); /* instruction mode */
  95. u8g_WriteByte(u8g, dev, 0x81);
  96. /* 11 Jul 2015: bugfix, github issue 339 */
  97. u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) ); /* set contrast from, keep gain at 0 */
  98. u8g_SetChipSelect(u8g, dev, 0);
  99. return 1;
  100. }
  101. return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
  102. }
  103. U8G_PB_DEV(u8g_dev_uc1611_dogm240_i2c , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogm240_fn, U8G_COM_UC_I2C);
  104. U8G_PB_DEV(u8g_dev_uc1611_dogm240_sw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogm240_fn, U8G_COM_SW_SPI);
  105. U8G_PB_DEV(u8g_dev_uc1611_dogm240_hw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogm240_fn, U8G_COM_HW_SPI);
  106. U8G_PB_DEV(u8g_dev_uc1611_dogm240_8bit , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogm240_fn, U8G_COM_FAST_PARALLEL);