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added bt81x_touch_xy() for synchronous touch reads #51

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added bt81x_touch_xy() for synchronous touch reads #51

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10 changes: 9 additions & 1 deletion src/drivers/gpu/bt81x/bt81x.c
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,6 @@ bt81x_rd32(bt81x_t *b, uint32_t addr)
}



static void
bt81x_cmd(bt81x_t *b, uint8_t command, uint8_t param)
{
Expand Down Expand Up @@ -788,6 +787,14 @@ bt81x_backlight(gfx_display_t *gd, uint8_t backlight)
}


uint32_t
bt81x_touch_xy(gfx_display_t *gd)
{
bt81x_t *b = (bt81x_t *)gd;
return bt81x_rd32(b, EVE_REG_CTOUCH_TOUCH0_XY);
}


/************************************************************************
*
* GUI draw primitives
Expand Down Expand Up @@ -1285,3 +1292,4 @@ cmd_gpu_info(cli_t *cli, int argc, char **argv)

CLI_CMD_DEF("gpu_info", cmd_gpu_info);
#endif

3 changes: 3 additions & 0 deletions src/drivers/gpu/bt81x/bt81x.h
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Expand Up @@ -52,3 +52,6 @@ struct gfx_display *bt81x_create(spi_t *spi, gpio_t ncs, gpio_t pd, gpio_t irq,
void bt81x_enable(struct gfx_display *, int enabled);

void bt81x_backlight(struct gfx_display *, uint8_t backlight);

uint32_t bt81x_touch_xy(struct gfx_display *gd);

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