comparison: components/u8g2/csrc/u8x8_d_st7588.c
components/u8g2/csrc/u8x8_d_st7588.c
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| 1 /* | |
| 2 | |
| 3 u8x8_d_st7588.c | |
| 4 | |
| 5 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) | |
| 6 | |
| 7 Copyright (c) 2017, olikraus@gmail.com | |
| 8 All rights reserved. | |
| 9 | |
| 10 Redistribution and use in source and binary forms, with or without modification, | |
| 11 are permitted provided that the following conditions are met: | |
| 12 | |
| 13 * Redistributions of source code must retain the above copyright notice, this list | |
| 14 of conditions and the following disclaimer. | |
| 15 | |
| 16 * Redistributions in binary form must reproduce the above copyright notice, this | |
| 17 list of conditions and the following disclaimer in the documentation and/or other | |
| 18 materials provided with the distribution. | |
| 19 | |
| 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
| 21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
| 22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
| 25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 33 | |
| 34 ST7588 | |
| 35 - has 4 different I2C addresses | |
| 36 - I2C protocol is identical to SSD13xx | |
| 37 | |
| 38 */ | |
| 39 | |
| 40 | |
| 41 #include "u8x8.h" | |
| 42 | |
| 43 /* function set, bit 2: power down, bit 3: MY, bit 4: MX, bit 5: must be 1 */ | |
| 44 #define FS (0x020) | |
| 45 | |
| 46 /* not a real power down for the ST7588... just a display off */ | |
| 47 static const uint8_t u8x8_d_st7588_128x64_powersave0_seq[] = { | |
| 48 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 49 U8X8_C( FS | 0x00 ), /* select 00 commands */ | |
| 50 //U8X8_C( 0x08 ), /* display off */ | |
| 51 U8X8_C( 0x0c ), /* display on */ | |
| 52 U8X8_END_TRANSFER(), /* disable chip */ | |
| 53 U8X8_END() /* end of sequence */ | |
| 54 }; | |
| 55 | |
| 56 static const uint8_t u8x8_d_st7588_128x64_powersave1_seq[] = { | |
| 57 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 58 U8X8_C( FS | 0x00 ), /* select 00 commands */ | |
| 59 U8X8_C( 0x08 ), /* display off */ | |
| 60 //U8X8_C( 0x0c ), /* display on */ | |
| 61 U8X8_END_TRANSFER(), /* disable chip */ | |
| 62 U8X8_END() /* end of sequence */ | |
| 63 }; | |
| 64 | |
| 65 | |
| 66 | |
| 67 | |
| 68 static uint8_t u8x8_d_st7588_128x64_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) | |
| 69 { | |
| 70 uint8_t x, c; | |
| 71 uint8_t *ptr; | |
| 72 switch(msg) | |
| 73 { | |
| 74 /* handled by the calling function | |
| 75 case U8X8_MSG_DISPLAY_SETUP_MEMORY: | |
| 76 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info); | |
| 77 break; | |
| 78 */ | |
| 79 /* handled by the calling function | |
| 80 case U8X8_MSG_DISPLAY_INIT: | |
| 81 u8x8_d_helper_display_init(u8x8); | |
| 82 u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq); | |
| 83 break; | |
| 84 */ | |
| 85 case U8X8_MSG_DISPLAY_SET_POWER_SAVE: | |
| 86 if ( arg_int == 0 ) | |
| 87 u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave0_seq); | |
| 88 else | |
| 89 u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave1_seq); | |
| 90 | |
| 91 /* restore orientation */ | |
| 92 if ( u8x8->x_offset == 0 ) | |
| 93 u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ | |
| 94 else | |
| 95 u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ | |
| 96 | |
| 97 break; | |
| 98 #ifdef U8X8_WITH_SET_CONTRAST | |
| 99 case U8X8_MSG_DISPLAY_SET_CONTRAST: | |
| 100 | |
| 101 u8x8_cad_StartTransfer(u8x8); | |
| 102 | |
| 103 u8x8_cad_SendCmd(u8x8, FS ); | |
| 104 u8x8_cad_SendArg(u8x8, 4 | (arg_int>>7) ); | |
| 105 u8x8_cad_SendCmd(u8x8, FS | 1); | |
| 106 u8x8_cad_SendArg(u8x8, 0x080 | arg_int ); | |
| 107 | |
| 108 /* restore orientation */ | |
| 109 if ( u8x8->x_offset == 0 ) | |
| 110 u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ | |
| 111 else | |
| 112 u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ | |
| 113 u8x8_cad_EndTransfer(u8x8); | |
| 114 break; | |
| 115 #endif | |
| 116 case U8X8_MSG_DISPLAY_DRAW_TILE: | |
| 117 | |
| 118 u8x8_cad_StartTransfer(u8x8); | |
| 119 x = ((u8x8_tile_t *)arg_ptr)->x_pos; | |
| 120 x *= 8; | |
| 121 | |
| 122 x += u8x8->x_offset; | |
| 123 | |
| 124 if ( u8x8->x_offset == 0 ) | |
| 125 u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ | |
| 126 else | |
| 127 u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ | |
| 128 | |
| 129 u8x8_cad_SendCmd(u8x8, 0x040 | (((u8x8_tile_t *)arg_ptr)->y_pos)); | |
| 130 u8x8_cad_SendCmd(u8x8, 0x0e0 | ((x&15))); | |
| 131 u8x8_cad_SendCmd(u8x8, 0x0f0 | (x>>4) ); | |
| 132 | |
| 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 arg_int--; | |
| 140 } while( arg_int > 0 ); | |
| 141 | |
| 142 u8x8_cad_EndTransfer(u8x8); | |
| 143 break; | |
| 144 default: | |
| 145 return 0; | |
| 146 } | |
| 147 return 1; | |
| 148 } | |
| 149 | |
| 150 /*=============================================*/ | |
| 151 | |
| 152 static const u8x8_display_info_t u8x8_st7588_128x64_display_info = | |
| 153 { | |
| 154 /* chip_enable_level = */ 0, | |
| 155 /* chip_disable_level = */ 1, | |
| 156 | |
| 157 /* post_chip_enable_wait_ns = */ 150, | |
| 158 /* pre_chip_disable_wait_ns = */ 30, | |
| 159 /* reset_pulse_width_ms = */ 5, | |
| 160 /* post_reset_wait_ms = */ 5, /**/ | |
| 161 /* sda_setup_time_ns = */ 60, /* */ | |
| 162 /* sck_pulse_width_ns = */ 60, /* */ | |
| 163 /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ | |
| 164 /* spi_mode = */ 0, /* active high, rising edge */ | |
| 165 /* i2c_bus_clock_100kHz = */ 4, /* 400KHz */ | |
| 166 /* data_setup_time_ns = */ 80, | |
| 167 /* write_pulse_width_ns = */ 50, | |
| 168 /* tile_width = */ 16, | |
| 169 /* tile_hight = */ 8, | |
| 170 /* default_x_offset = */ 0, /* must be 0, because this is checked also for normal mode */ | |
| 171 /* flipmode_x_offset = */ 4, | |
| 172 /* pixel_width = */ 128, | |
| 173 /* pixel_height = */ 64 | |
| 174 }; | |
| 175 | |
| 176 | |
| 177 | |
| 178 static const uint8_t u8x8_d_st7588_128x64_init_seq[] = { | |
| 179 | |
| 180 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 181 | |
| 182 U8X8_C( FS | 0x03 ), /* select 11 commands */ | |
| 183 U8X8_C( 0x03 ), /* software reset */ | |
| 184 | |
| 185 U8X8_C( FS | 0x00 ), /* select 00 commands */ | |
| 186 U8X8_C( 0x08 ), /* display off */ | |
| 187 //U8X8_C( 0x0c ), /* display on */ | |
| 188 | |
| 189 U8X8_C( FS | 0x01 ), /* select 01 commands */ | |
| 190 U8X8_C( 0x08 ), /* display confguration */ | |
| 191 U8X8_C( 0x12 ), /* bias 1/9 */ | |
| 192 U8X8_C( 0x8f ), /* Vop, lower 7 bits */ | |
| 193 | |
| 194 U8X8_C( FS | 0x00 ), /* select 00 commands */ | |
| 195 U8X8_C( 0x05), /* Bit 0 contains high/low range for Vop */ | |
| 196 | |
| 197 | |
| 198 U8X8_C( FS | 0x03 ), /* select 11 commands */ | |
| 199 U8X8_C( 0x0b), /* Frame Rate: 73 Hz */ | |
| 200 | |
| 201 | |
| 202 | |
| 203 U8X8_END_TRANSFER(), /* disable chip */ | |
| 204 U8X8_END() /* end of sequence */ | |
| 205 }; | |
| 206 | |
| 207 | |
| 208 static const uint8_t u8x8_d_st7588_jlx12864_flip0_seq[] = { | |
| 209 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 210 U8X8_C( FS ), /* normal mode */ | |
| 211 U8X8_END_TRANSFER(), /* disable chip */ | |
| 212 U8X8_END() /* end of sequence */ | |
| 213 }; | |
| 214 | |
| 215 static const uint8_t u8x8_d_st7588_jlx12864_flip1_seq[] = { | |
| 216 U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ | |
| 217 U8X8_C( FS ^ 0x018 ), /* normal mode */ | |
| 218 U8X8_END_TRANSFER(), /* disable chip */ | |
| 219 U8X8_END() /* end of sequence */ | |
| 220 }; | |
| 221 | |
| 222 | |
| 223 uint8_t u8x8_d_st7588_jlx12864(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) | |
| 224 { | |
| 225 if ( u8x8_d_st7588_128x64_generic(u8x8, msg, arg_int, arg_ptr) != 0 ) | |
| 226 return 1; | |
| 227 if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) | |
| 228 { | |
| 229 u8x8_SetI2CAddress(u8x8, 0x07e); /* the JLX12864 has 0x07e as a default address for I2C */ | |
| 230 u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info); | |
| 231 return 1; | |
| 232 } | |
| 233 else if ( msg == U8X8_MSG_DISPLAY_INIT ) | |
| 234 { | |
| 235 u8x8_d_helper_display_init(u8x8); | |
| 236 u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq); | |
| 237 return 1; | |
| 238 } | |
| 239 else if ( msg == U8X8_MSG_DISPLAY_SET_FLIP_MODE ) | |
| 240 { | |
| 241 if ( arg_int == 0 ) | |
| 242 { | |
| 243 u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_flip0_seq); | |
| 244 u8x8->x_offset = u8x8->display_info->default_x_offset; | |
| 245 } | |
| 246 else | |
| 247 { | |
| 248 u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_flip1_seq); | |
| 249 u8x8->x_offset = u8x8->display_info->flipmode_x_offset; | |
| 250 } | |
| 251 return 1; | |
| 252 } | |
| 253 return 0; | |
| 254 } | |
| 255 | |
| 256 |
