comparison: components/u8g2/csrc/u8x8_d_pcf8812.c
components/u8g2/csrc/u8x8_d_pcf8812.c
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| 1 /* | |
| 2 | |
| 3 u8x8_d_pcf8812.c | |
| 4 | |
| 5 pcf8812: 65x102 | |
| 6 pcf8814: 65x96 | |
| 7 | |
| 8 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) | |
| 9 | |
| 10 Copyright (c) 2017, olikraus@gmail.com | |
| 11 All rights reserved. | |
| 12 | |
| 13 Redistribution and use in source and binary forms, with or without modification, | |
| 14 are permitted provided that the following conditions are met: | |
| 15 | |
| 16 * Redistributions of source code must retain the above copyright notice, this list | |
| 17 of conditions and the following disclaimer. | |
| 18 | |
| 19 * Redistributions in binary form must reproduce the above copyright notice, this | |
| 20 list of conditions and the following disclaimer in the documentation and/or other | |
| 21 materials provided with the distribution. | |
| 22 | |
| 23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
| 24 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
| 25 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 26 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
| 28 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 29 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 30 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 31 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 32 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 33 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 34 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 35 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 36 | |
| 37 */ | |
| 38 | |
| 39 | |
| 40 #include "u8x8.h" | |
| 41 | |
| 42 | |
| 43 | |
| 44 static const uint8_t u8x8_d_pcf8812_96x65_init_seq[] = { | |
| 45 | |
| 46 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 47 | |
| 48 U8X8_C(0x020), /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */ | |
| 49 U8X8_C(0x008), /* blank display */ | |
| 50 | |
| 51 U8X8_C(0x021), /* activate chip (PD=0), horizontal increment (V=0), enter extended command set (H=1) */ | |
| 52 U8X8_C(0x006), /* temp. control: b10 = 2 */ | |
| 53 U8X8_C(0x013), /* bias system, 0x010..0x07 1:48 */ | |
| 54 U8X8_C(0x09f), /* contrast setting, 0..127 */ | |
| 55 //U8X8_CA(0x020 | 2, 0x080 | 0), /* contrast setting, pcf8814 */ | |
| 56 | |
| 57 U8X8_C(0x024), /* deactivate chip (PD=1), horizontal increment (V=0), enter normal command set (H=0) */ | |
| 58 | |
| 59 U8X8_END_TRANSFER(), /* disable chip */ | |
| 60 U8X8_END() /* end of sequence */ | |
| 61 }; | |
| 62 | |
| 63 static const uint8_t u8x8_d_pcf8812_96x65_powersave0_seq[] = { | |
| 64 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 65 U8X8_C(0x020), /* power on */ | |
| 66 U8X8_C(0x00c), /* display on */ | |
| 67 U8X8_END_TRANSFER(), /* disable chip */ | |
| 68 U8X8_END() /* end of sequence */ | |
| 69 }; | |
| 70 | |
| 71 static const uint8_t u8x8_d_pcf8812_96x65_powersave1_seq[] = { | |
| 72 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 73 U8X8_C(0x020), /* power on */ | |
| 74 U8X8_C(0x008), /* blank display */ | |
| 75 U8X8_C(0x024), /* power down */ | |
| 76 U8X8_END_TRANSFER(), /* disable chip */ | |
| 77 U8X8_END() /* end of sequence */ | |
| 78 }; | |
| 79 | |
| 80 | |
| 81 static uint8_t u8x8_d_pcf8812_96x65_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) | |
| 82 { | |
| 83 uint8_t x, c; | |
| 84 uint8_t *ptr; | |
| 85 switch(msg) | |
| 86 { | |
| 87 /* handled by the calling function | |
| 88 case U8X8_MSG_DISPLAY_SETUP_MEMORY: | |
| 89 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_pcf8812_96x65_display_info); | |
| 90 break; | |
| 91 */ | |
| 92 case U8X8_MSG_DISPLAY_INIT: | |
| 93 u8x8_d_helper_display_init(u8x8); | |
| 94 u8x8_cad_SendSequence(u8x8, u8x8_d_pcf8812_96x65_init_seq); | |
| 95 break; | |
| 96 case U8X8_MSG_DISPLAY_SET_POWER_SAVE: | |
| 97 if ( arg_int == 0 ) | |
| 98 u8x8_cad_SendSequence(u8x8, u8x8_d_pcf8812_96x65_powersave0_seq); | |
| 99 else | |
| 100 u8x8_cad_SendSequence(u8x8, u8x8_d_pcf8812_96x65_powersave1_seq); | |
| 101 break; | |
| 102 /* | |
| 103 case U8X8_MSG_DISPLAY_SET_FLIP_MODE: | |
| 104 if ( arg_int == 0 ) | |
| 105 { | |
| 106 u8x8_cad_SendSequence(u8x8, u8x8_d_pcf8812_96x65_flip0_seq); | |
| 107 u8x8->x_offset = u8x8->display_info->default_x_offset; | |
| 108 } | |
| 109 else | |
| 110 { | |
| 111 u8x8_cad_SendSequence(u8x8, u8x8_d_pcf8812_96x65_flip1_seq); | |
| 112 u8x8->x_offset = u8x8->display_info->flipmode_x_offset; | |
| 113 } | |
| 114 break; | |
| 115 */ | |
| 116 #ifdef U8X8_WITH_SET_CONTRAST | |
| 117 case U8X8_MSG_DISPLAY_SET_CONTRAST: | |
| 118 u8x8_cad_StartTransfer(u8x8); | |
| 119 u8x8_cad_SendCmd(u8x8, 0x021 ); /* command mode, extended function set */ | |
| 120 u8x8_cad_SendArg(u8x8, (arg_int>>1)|0x80 ); /* 0..127 for contrast */ | |
| 121 u8x8_cad_EndTransfer(u8x8); | |
| 122 break; | |
| 123 #endif | |
| 124 case U8X8_MSG_DISPLAY_DRAW_TILE: | |
| 125 u8x8_cad_StartTransfer(u8x8); | |
| 126 x = ((u8x8_tile_t *)arg_ptr)->x_pos; | |
| 127 x *= 8; | |
| 128 x += u8x8->x_offset; | |
| 129 | |
| 130 u8x8_cad_SendCmd(u8x8, 0x020 ); /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */ | |
| 131 u8x8_cad_SendCmd(u8x8, 0x080 | x); | |
| 132 u8x8_cad_SendCmd(u8x8, 0x040 | ((u8x8_tile_t *)arg_ptr)->y_pos); | |
| 133 | |
| 134 do | |
| 135 { | |
| 136 c = ((u8x8_tile_t *)arg_ptr)->cnt; | |
| 137 ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; | |
| 138 u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */ | |
| 139 /* | |
| 140 do | |
| 141 { | |
| 142 u8x8_cad_SendData(u8x8, 8, ptr); | |
| 143 ptr += 8; | |
| 144 c--; | |
| 145 } while( c > 0 ); | |
| 146 */ | |
| 147 arg_int--; | |
| 148 } while( arg_int > 0 ); | |
| 149 | |
| 150 u8x8_cad_EndTransfer(u8x8); | |
| 151 break; | |
| 152 default: | |
| 153 return 0; | |
| 154 } | |
| 155 return 1; | |
| 156 } | |
| 157 | |
| 158 | |
| 159 static const u8x8_display_info_t u8x8_pcf8812_96x65_display_info = | |
| 160 { | |
| 161 /* chip_enable_level = */ 0, | |
| 162 /* chip_disable_level = */ 1, | |
| 163 | |
| 164 /* post_chip_enable_wait_ns = */ 100, | |
| 165 /* pre_chip_disable_wait_ns = */ 100, | |
| 166 /* reset_pulse_width_ms = */ 100, | |
| 167 /* post_reset_wait_ms = */ 100, | |
| 168 /* sda_setup_time_ns = */ 100, | |
| 169 /* sck_pulse_width_ns = */ 100, | |
| 170 /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ | |
| 171 /* spi_mode = */ 0, /* active high, rising edge */ | |
| 172 /* i2c_bus_clock_100kHz = */ 4, | |
| 173 /* data_setup_time_ns = */ 40, | |
| 174 /* write_pulse_width_ns = */ 150, | |
| 175 /* tile_width = */ 12, | |
| 176 /* tile_hight = */ 9, | |
| 177 /* default_x_offset = */ 0, | |
| 178 /* flipmode_x_offset = */ 0, | |
| 179 /* pixel_width = */ 96, | |
| 180 /* pixel_height = */ 65 | |
| 181 }; | |
| 182 | |
| 183 uint8_t u8x8_d_pcf8812_96x65(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) | |
| 184 { | |
| 185 if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) | |
| 186 { | |
| 187 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_pcf8812_96x65_display_info); | |
| 188 return 1; | |
| 189 } | |
| 190 return u8x8_d_pcf8812_96x65_generic(u8x8, msg, arg_int, arg_ptr); | |
| 191 } | |
| 192 | |
| 193 |
