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246 lines
8.6 KiB
246 lines
8.6 KiB
/* |
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u8x8_d_st7586s_s028hn118a.c |
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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Copyright (c) 2018, olikraus@gmail.com |
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All rights reserved. |
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Redistribution and use in source and binary forms, with or without modification, |
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are permitted provided that the following conditions are met: |
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* Redistributions of source code must retain the above copyright notice, this list |
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of conditions and the following disclaimer. |
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* Redistributions in binary form must reproduce the above copyright notice, this |
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list of conditions and the following disclaimer in the documentation and/or other |
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materials provided with the distribution. |
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "u8g2.h" |
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static const uint8_t u8x8_d_st7586s_sleep_on[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x010), /* set power save mode */ |
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U8X8_END_TRANSFER(), /* disable chip */ |
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U8X8_END() /* end of sequence */ |
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}; |
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static const uint8_t u8x8_d_st7586s_sleep_off[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x011), //Sleep out |
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U8X8_DLY(50), /* delay 50 ms */ |
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U8X8_END_TRANSFER(), /* disable chip */ |
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U8X8_END() /* end of sequence */ |
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}; |
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static const uint8_t u8x8_d_st7586s_s028hn118a_flip0_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x036), /* Scan Direction Setting */ |
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U8X8_A(0x000), /* COM0 -> COM159 SEG0 -> SEG384 */ |
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U8X8_C(0x037), /* Start line 0 */ |
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U8X8_A(0x000), |
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U8X8_END_TRANSFER(), /* disable chip */ |
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U8X8_END() /* end of sequence */ |
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}; |
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static const uint8_t u8x8_d_st7586s_s028hn118a_flip1_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x036), /* Scan Direction Setting */ |
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U8X8_A(0x0C8), /* COM159 -> COM0 SEG384 -> SEG0 */ |
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U8X8_C(0x037), /* Start line 24 */ |
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U8X8_A(0x018), |
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U8X8_END_TRANSFER(), /* disable chip */ |
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U8X8_END() /* end of sequence */ |
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}; |
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static uint8_t u8x8_d_st7586s_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { |
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uint8_t c; |
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uint8_t *ptr; |
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uint8_t i, byte; |
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uint32_t input; |
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uint8_t output[8]; |
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switch (msg) { |
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case U8X8_MSG_DISPLAY_DRAW_TILE: |
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u8x8_cad_StartTransfer(u8x8); // OK Start transfer |
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u8x8_cad_SendCmd(u8x8, 0x02B); /* Row Address Setting */ |
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u8x8_cad_SendArg(u8x8, 0x000); |
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u8x8_cad_SendArg(u8x8, 0x008 * ((u8x8_tile_t *)arg_ptr)->y_pos); |
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u8x8_cad_SendArg(u8x8, 0x000); |
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u8x8_cad_SendArg(u8x8, u8x8->display_info->pixel_height - 1); /* should this be u8x8->display_info->pixel_height - 1 */ |
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u8x8_cad_SendCmd(u8x8, 0x02C); /* cmd write display data to ram */ |
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c = ((u8x8_tile_t *) arg_ptr)->cnt; // |
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c *= 8; |
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ptr = ((u8x8_tile_t *) arg_ptr)->tile_ptr; // |
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// The ST7586S has an unusual 3 pixels per byte format so here we read in 3 bytes (24 pixels) and |
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// pack that into 8 bytes of 3 pixels each |
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while (c > 0) { |
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input = (((uint32_t)ptr[0] << 16) | ((uint32_t)ptr[1] << 8) | (uint32_t)ptr[2]); |
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for (i=0; i<8; i++) |
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{ |
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byte = 0; |
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if (input & 0x800000) // if bit 23 |
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byte = byte | 0xC0; //set pixel 1 |
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if (input & 0x400000) // if bit 22 |
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byte = byte | 0x18; //set pixel 2 |
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if (input & 0x200000) // if bit 22 |
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byte = byte | 0x3; //set pixel 3 |
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output[i] = byte; |
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input <<= 3; |
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} |
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u8x8_cad_SendData(u8x8, 8, output); |
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ptr += 3; |
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c -= 3; |
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} |
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u8x8_cad_EndTransfer(u8x8); |
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break; |
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE: |
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if (arg_int == 0) |
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_sleep_off); |
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else |
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_sleep_on); |
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break; |
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#ifdef U8X8_WITH_SET_CONTRAST |
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case U8X8_MSG_DISPLAY_SET_CONTRAST: |
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u8x8_cad_StartTransfer(u8x8); |
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u8x8_cad_SendCmd(u8x8, 0x0C0); |
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u8x8_cad_SendArg(u8x8, arg_int); |
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u8x8_cad_SendArg(u8x8, 0); |
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u8x8_cad_EndTransfer(u8x8); |
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break; |
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#endif |
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default: |
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return 0; |
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} |
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return 1; |
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} |
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static const uint8_t u8x8_d_st7586s_s028hn118a_init_seq[] = { |
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U8X8_END_TRANSFER(),/* disable chip */ |
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// U8G_ESC_RST(15), /* hardware reset */ |
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U8X8_DLY(60), /* Delay 60 ms */ |
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U8X8_START_TRANSFER(),/* enable chip */ |
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U8X8_C(0x001), // Soft reset |
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U8X8_DLY(60), // Delay 120 ms |
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U8X8_C(0x011), // Sleep Out |
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U8X8_C(0x028), // Display OFF |
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U8X8_DLY(25), // Delay 50 ms |
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U8X8_CAA(0x0C0,0x0E5,0x00),// Vop = F0h in trace a bit too dark |
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U8X8_CA(0x0C3,0x004), // BIAS = 1/10 0x04 in trace |
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U8X8_CA(0x0C4,0x005), // Booster = x6 0x05 in trace |
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U8X8_CA(0x0D0,0x01D), // Enable Analog Circuit |
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U8X8_CA(0x0B3,0x000), // Set FOSC divider |
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U8X8_CA(0x0B5,0x08B), // N-Line = 0 |
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U8X8_C(0x039), // 0x39 Monochrome mode. 0x38 - gray Mode |
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U8X8_C(0x03A), // Enable DDRAM Interface |
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U8X8_A(0x002), // monochrome and 4-level |
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U8X8_C(0x036), // Scan Direction Setting |
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U8X8_A(0x000), // COM0 -> COM159 SEG0 -> SEG384 |
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U8X8_C(0x0B0), // Duty Setting (num rows - 1) |
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U8X8_A(0x087), // should be 0x87 but caused flicker 0x9F |
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U8X8_C(0x020), // Display inversion off |
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U8X8_C(0x02A), // Column Address Setting |
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U8X8_A(0x000), // COL0 -> COL127 |
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U8X8_A(0x000), // |
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U8X8_A(0x000), // |
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U8X8_A(0x07f), // 128*3=384 pixels |
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U8X8_C(0x02B), // Row Address Setting |
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U8X8_A(0x000), // ROW0 -> ROW135 |
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U8X8_A(0x000), // |
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U8X8_A(0x000), // |
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U8X8_A(0x087), // 136 pixels |
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U8X8_C(0x0F1), // Frame rate monochrome |
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U8X8_A(0x00C), // The factory firmware set this to 49.0 Hz 0x07 |
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U8X8_A(0x00C), // This caused a shimmer under 50Hz LED lights |
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U8X8_A(0x00C), // 69.0 Hz (0x0C) fixes this and should avoid the |
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U8X8_A(0x00C), // issue in the US too |
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U8X8_C(0x029), // Display ON |
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U8X8_END() /* end of sequence */ |
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}; |
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static const u8x8_display_info_t u8x8_st7586s_s028hn118a_display_info = |
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{ |
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/* chip_enable_level = */ 0, |
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/* chip_disable_level = */ 1, |
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/* post_chip_enable_wait_ns = */ 5, |
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/* pre_chip_disable_wait_ns = */ 5, |
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/* reset_pulse_width_ms = */ 1, |
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/* post_reset_wait_ms = */ 6, |
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/* sda_setup_time_ns = */ 20, |
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/* sck_pulse_width_ns = */ 100, /* datasheet ST7586S */ |
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/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ |
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/* ST7586+Atmega128RFA1 works with 8MHz */ |
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/* spi_mode = */ 3, /* active high, rising edge */ |
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/* i2c_bus_clock_100kHz = */ 4, |
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/* data_setup_time_ns = */ 20, /* datasheet suggests min 20 */ |
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/* write_pulse_width_ns = */ 40, |
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/* tile_width = */ 48, |
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/* tile_height = */ 17, |
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/* default_x_offset = */ 0, |
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/* flipmode_x_offset = */ 0, |
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/* pixel_width = */ 384, |
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/* pixel_height = */ 136 |
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}; |
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/******************************************************************************* |
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* st7586s_s028hn118a driver. This is the display in the SMART Response XE. This requires 16 bit mode. |
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******************************************************************************/ |
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uint8_t u8x8_d_st7586s_s028hn118a(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { |
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if (u8x8_d_st7586s_common(u8x8, msg, arg_int, arg_ptr) != 0) |
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return 1; |
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switch (msg) { |
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case U8X8_MSG_DISPLAY_INIT: |
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u8x8_d_helper_display_init(u8x8); |
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_s028hn118a_init_seq); |
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break; |
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case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7586s_s028hn118a_display_info); |
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break; |
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case U8X8_MSG_DISPLAY_SET_FLIP_MODE: |
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if ( arg_int == 0 ) |
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{ |
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_s028hn118a_flip0_seq); |
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u8x8->x_offset = u8x8->display_info->default_x_offset; |
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} |
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else |
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{ |
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7586s_s028hn118a_flip1_seq); |
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u8x8->x_offset = u8x8->display_info->flipmode_x_offset; |
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} |
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break; |
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default: |
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return 0; |
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} |
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return 1; |
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}
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