Undocumented ST7786U commands #3
Description
The ST7796U initialization in lv_port_disp.c involves commands that are not documented in the ST7796U Datasheet (Version V1.0 2020/02).
Please remove undocumented commands or add comments.
Example:
lcd_init_cmd_t init_cmds[] = {
// {0xCF, {0x00, 0x83, 0X30}, 3}, // ?
{0xED, {0x64, 0x03, 0X12, 0X81}, 4}, // DOCA: display output ctrl adjust
{0xE8, {0x85, 0x01, 0x79}, 3}, // DOCA: display output ctrl adjust
// {0xCB, {0x39, 0x2C, 0x00, 0x34, 0x02}, 5}, // ?
// {0xF7, {0x20}, 1}, // ?
{0xEA, {0x00, 0x00}, 2}, // DOCA: display output ctrl adjust
{0xC0, {0x26}, 1}, // PWR1: power control 1
{0xC1, {0x11}, 1}, // PWR1: power control 1
{0xC5, {0x35, 0x3E}, 2}, // VCMPCTL: vcom control
{0xC7, {0xBE}, 1}, // VCM Offset: vcom offset register
{0x36, {0x28}, 1}, // MADCTL: memory data access control
{0x3A, {0x05}, 1}, // COLMOD: Interface pixel format
// {0xB1, {0x00, 0x1B}, 2}, // FRMCTR1: frame rate control
{0xB1, {0x00, 0x00}, 2}, // FRMCTR1: frame rate control
// {0xF2, {0x08}, 1}, // ?
// {0x26, {0x01}, 1}, // ?
{0xE0, {0x1F, 0x1A, 0x18, 0x0A, 0x0F, 0x06, 0x45, 0X87, 0x32, 0x0A, 0x07, 0x02, 0x07, 0x05, 0x00}, 15}, // PGC: positive gamma control
{0XE1, {0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3A, 0x78, 0x4D, 0x05, 0x18, 0x0D, 0x38, 0x3A, 0x1F}, 15}, // NGC: negative gamma control
{0x2A, {0x00, 0x00, 0x00, 0xEF}, 4}, // CASET: column address set
{0x2B, {0x00, 0x00, 0x01, 0x3f}, 4}, // RASET: row address set
{0x2C, {0}, 0}, // RAMWR: memory write
{0xB7, {0x07}, 1}, // EM: entry mode wet
{0xB6, {0x0A, 0x82, 0x27, 0x00}, 4}, // DFC: display function control
{0x11, {0}, 0x80}, // SLP: sleep out
{0x29, {0}, 0x80}, // DISPON: display on
{0, {0}, 0xff}, // NOP: no operation
};