issue #1913 code updates

This commit is contained in:
kraus 2022-07-18 22:22:10 +02:00
parent 9c0dc044e9
commit d937379ff4
3 changed files with 81 additions and 0 deletions

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@ -986,6 +986,7 @@ uint8_t u8x8_d_lc7981_160x80(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *a
uint8_t u8x8_d_lc7981_160x160(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_d_lc7981_240x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_d_lc7981_240x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_d_lc7981_128x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_d_ist3020_erc19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_d_ist3088_320x240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8x8_d_ist7920_128x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);

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@ -468,3 +468,75 @@ uint8_t u8x8_d_lc7981_240x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *a
return 1;
}
/*================================================*/
/* LC7981 128x128 LCD, https://github.com/olikraus/u8g2/issues/1913*/
static const u8x8_display_info_t u8x8_lc7981_128x128_display_info =
{
/* chip_enable_level = */ 0, /* LC7981 has a low active CS*/
/* chip_disable_level = */ 1,
/* from here... */
/* post_chip_enable_wait_ns = */ 20,
/* pre_chip_disable_wait_ns = */ 20,
/* reset_pulse_width_ms = */ 1,
/* post_reset_wait_ms = */ 10,
/* sda_setup_time_ns = */ 30,
/* sck_pulse_width_ns = */ 65, /* half of cycle time */
/* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
/* spi_mode = */ 0, /* active high, rising edge */
/* i2c_bus_clock_100kHz = */ 4,
/* ... to here, values are ignored, because this is a parallel interface only */
/* data_setup_time_ns = */ 220,
/* write_pulse_width_ns = */ 20,
/* tile_width = */ 16, /* width of 16*8=128 pixel */
/* tile_hight = */ 16,
/* default_x_offset = */ 0,
/* flipmode_x_offset = */ 0,
/* pixel_width = */ 128,
/* pixel_height = */ 128
};
static const uint8_t u8x8_d_lc7981_128x128_init_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_DLY(50),
U8X8_CA(0x00, 0x32), /* display on (bit 5), master mode on (bit 4), graphics mode on (bit 1) */
U8X8_CA(0x01, 0x07), /* character/bits per pixel pitch */
U8X8_CA(0x02, 128/8-1), /* number of chars/byte width of the screen */
U8X8_CA(0x03, 128), /* time division, issue https://github.com/olikraus/u8g2/issues/1581 */
U8X8_CA(0x08, 0x00), /* display start low */
U8X8_CA(0x09, 0x00), /* display start high */
U8X8_DLY(10),
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
uint8_t u8x8_d_lc7981_128x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
/* call common procedure first and handle messages there */
if ( u8x8_d_lc7981_common(u8x8, msg, arg_int, arg_ptr) == 0 )
{
/* msg not handled, then try here */
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_lc7981_128x128_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_lc7981_128x128_init_seq);
break;
default:
return 0; /* msg unknown */
}
}
return 1;
}

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@ -1671,6 +1671,14 @@ struct controller controller_list[] =
{ NULL }
}
},
{
"lc7981", 16, 16, "u8g2_ll_hvline_horizontal_right_lsb", "u8x8_cad_100", "", COM_6800,
"U8x8 not supported, no powerdown, no HW flip, no constrast", /* is_generate_u8g2_class= */ 1,
{
{ "128x128" },
{ NULL }
}
},
{
"t6963", 30, 16, "u8g2_ll_hvline_horizontal_right_lsb", "u8x8_cad_100", "", COM_8080,