lv_draw_eve_target.h¶

Typedefs

typedef void (*lv_draw_eve_operation_cb_t)(lv_display_t *disp, lv_draw_eve_operation_t operation, void *data, uint32_t length)¶

Enums

enum lv_draw_eve_operation_t¶

Values:

enumerator LV_DRAW_EVE_OPERATION_POWERDOWN_SET¶: set the "PD_N" pin low

enumerator LV_DRAW_EVE_OPERATION_POWERDOWN_CLEAR¶: set the "PD_N" pin high

enumerator LV_DRAW_EVE_OPERATION_CS_ASSERT¶: set the "CS_N" pin low

enumerator LV_DRAW_EVE_OPERATION_CS_DEASSERT¶: set the "CS_N" pin high

enumerator LV_DRAW_EVE_OPERATION_SPI_SEND¶: send length bytes of data over SPI

enumerator LV_DRAW_EVE_OPERATION_SPI_RECEIVE¶: receive length bytes into data from SPI

struct lv_draw_eve_parameters_t¶

Public Members

uint16_t hor_res¶: active display width

uint16_t ver_res¶: active display height

uint16_t hcycle¶: total number of clocks per line, incl front/back porch

uint16_t hoffset¶: start of active line

uint16_t hsync0¶: start of horizontal sync pulse

uint16_t hsync1¶: end of horizontal sync pulse

uint16_t vcycle¶: total number of lines per screen, including pre/post

uint16_t voffset¶: start of active screen

uint16_t vsync0¶: start of vertical sync pulse

uint16_t vsync1¶: end of vertical sync pulse

uint8_t swizzle¶: FT8xx output to LCD - pin order

uint8_t pclkpol¶: LCD data is clocked in on this PCLK edge

uint8_t cspread¶: helps with noise, when set to 1 fewer signals are changed simultaneously, reset-default: 1

uint8_t pclk¶: 60MHz / pclk = pclk frequency

bool has_crystal¶: has an external clock crystal

bool has_gt911¶: has a touch controller

uint8_t backlight_pwm¶: backlight PWM duty cycle 0 = off, 128 = max

uint16_t backlight_freq¶: backlight PWM frequency. try 4000 if unsure