j3d1/esp-open-rtos
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

ssd1306 more functions (#310)

Browse source 
SSD1306 2D drawing/text functions, new example, builtin fonts support
This commit is contained in:
Zaltora 2016-12-13 14:42:23 +01:00 • committed by Ruslan V. Uss
parent 61c3d509e5
commit 7432c019f7
39 changed files with 145365 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

30
examples/ssd1306_example/main.c
View file

@ -3,6 +3,7 @@
#include <FreeRTOS.h>
#include <task.h>
#include <queue.h>
#include <timers.h>
#include <string.h>
#include <ssd1306/ssd1306.h>
@ -45,6 +46,11 @@ static const ssd1306_t dev = {
/* Local frame buffer */
static uint8_t buffer[DISPLAY_WIDTH * DISPLAY_HEIGHT / 8];
TimerHandle_t scrol_timer_handle = NULL; // Timer handler
#define SECOND (1000 / portTICK_PERIOD_MS)
static void ssd1306_task(void *pvParameters)
{
@ -58,7 +64,7 @@ static void ssd1306_task(void *pvParameters)
ssd1306_set_whole_display_lighting(&dev, false);
bool fwd = false;
while (1) {
vTaskDelay(2000 / portTICK_PERIOD_MS);
vTaskDelay(2*SECOND);
printf("%s: still alive, flipping!\n", __FUNCTION__);
ssd1306_set_scan_direction_fwd(&dev, fwd);
fwd = !fwd;
@ -67,11 +73,22 @@ static void ssd1306_task(void *pvParameters)
error_loop:
printf("%s: error while loading framebuffer into SSD1306\n", __func__);
for(;;){
vTaskDelay(2000 / portTICK_PERIOD_MS);
vTaskDelay(2*SECOND);
printf("%s: error loop\n", __FUNCTION__);
}
}
void scrolling_timer(TimerHandle_t h)
{
static bool scrol = true ;
if(scrol)
ssd1306_start_scroll_hori(&dev, false, 0, 7, FRAME_25);
else
ssd1306_stop_scroll(&dev);
printf("Scrolling status: %s\n", (scrol)? "On" : "Off");
scrol=!scrol ;
}
void user_init(void)
{
// Setup HW
@ -86,11 +103,16 @@ void user_init(void)
while (ssd1306_init(&dev) != 0)
{
printf("%s: failed to init SSD1306 lcd\n", __func__);
vTaskDelay(1000/portTICK_PERIOD_MS);
vTaskDelay(SECOND);
}
ssd1306_set_whole_display_lighting(&dev, true);
vTaskDelay(1000/portTICK_PERIOD_MS);
vTaskDelay(SECOND);
// Create user interface task
xTaskCreate(ssd1306_task, "ssd1306_task", 256, NULL, 2, NULL);
//Scrolling timer
scrol_timer_handle = xTimerCreate("fps_timer", 10*SECOND, pdTRUE, NULL, scrolling_timer);
xTimerStart(scrol_timer_handle, 0);
}