69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/**
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* @file lv_port_init.c
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*
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*/
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#include <stdio.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <lvgl/lvgl.h>
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#include <lvgl/lv_conf.h>
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#include "lv_port_disp.h"
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#include "lv_port_indev.h"
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/* 0, 90, 180, 270 */
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static int g_indev_rotation = 0;
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/* 0, 90, 180, 270 */
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static int g_disp_rotation = 0;
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static int log_level = LV_LOG_LEVEL_WARN;
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static void print_cb(lv_log_level_t level, const char *buf)
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{
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if (level >= log_level)
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printf("%s", buf);
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}
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static uint32_t lv_systick(void)
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{
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static uint64_t start_ms = 0;
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if (start_ms == 0)
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{
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struct timeval tv_start;
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gettimeofday(&tv_start, NULL);
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start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec) / 1000;
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}
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struct timeval tv_now;
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gettimeofday(&tv_now, NULL);
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uint64_t now_ms;
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now_ms = (tv_now.tv_sec * 1000000 + tv_now.tv_usec) / 1000;
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uint32_t time_ms = now_ms - start_ms;
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return time_ms;
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}
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static void lv_sysdelay(uint32_t ms)
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{
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usleep(ms * 1000);
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}
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void lv_port_init(void)
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{
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const char *buf;
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lv_init();
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buf = getenv("LV_DEBUG");
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if (buf)
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log_level = buf[0] - '0';
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lv_log_register_print_cb(print_cb);
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lv_tick_set_cb(lv_systick);
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lv_delay_set_cb(lv_sysdelay);
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lv_port_disp_init(0, 0, g_disp_rotation);
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lv_port_indev_init(g_indev_rotation);
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}
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