ssd1306 2D and font

examples/ssd1306_fps/Makefile

@@ -0,0 +1,4 @@
+PROGRAM=SSD1306_fps
+EXTRA_COMPONENTS = extras/fonts extras/ssd1306 extras/i2c
+PROGRAM_SRC_DIR=. ./fonts
+include ../../common.mk

examples/ssd1306_fps/main.c

@@ -0,0 +1,150 @@
+#include <espressif/esp_common.h>
+#include <esp/uart.h>
+#include <FreeRTOS.h>
+#include <task.h>
+#include <queue.h>
+#include <timers.h>
+#include <string.h>
+#include <ssd1306/ssd1306.h>
+
+#define LOAD_ICON_X 54
+#define LOAD_ICON_Y 32
+#define LOAD_ICON_SIZE 20
+
+#define CIRCLE_COUNT_ICON_X 94
+#define CIRCLE_COUNT_ICON_Y 42
+
+
+/* Remove this line if your display connected by SPI */
+#define I2C_CONNECTION
+
+#ifdef I2C_CONNECTION
+    #include <i2c/i2c.h>
+#endif
+#include "fonts/fonts.h"
+
+/* Change this according to you schematics and display size */
+#define DISPLAY_WIDTH  128
+#define DISPLAY_HEIGHT 64
+
+#ifdef I2C_CONNECTION
+    #define PROTOCOL SSD1306_PROTO_I2C
+    #define ADDR     SSD1306_I2C_ADDR_0
+    #define SCL_PIN  14
+    #define SDA_PIN  13
+#else
+    #define PROTOCOL SSD1306_PROTO_SPI4
+    #define CS_PIN   5
+    #define DC_PIN   4
+#endif
+
+/* Declare device descriptor */
+static const ssd1306_t dev = {
+    .protocol = PROTOCOL,
+#ifdef I2C_CONNECTION
+    .addr     = ADDR,
+#else
+    .cs_pin   = CS_PIN,
+    .dc_pin   = DC_PIN,
+#endif
+    .width    = DISPLAY_WIDTH,
+    .height   = DISPLAY_HEIGHT
+};
+
+/* Local frame buffer */
+static uint8_t buffer[DISPLAY_WIDTH * DISPLAY_HEIGHT / 8];
+
+TimerHandle_t timerHandle = 0 ; // Timer handler
+uint8_t frame_done = 0 ; // number of frame send.
+uint8_t fps = 0 ; // image per second.
+
+
+static void ssd1306_task(void *pvParameters)
+{
+    printf("%s: Started user interface task\n", __FUNCTION__);
+    vTaskDelay(1000/portTICK_PERIOD_MS);
+
+    ssd1306_set_whole_display_lighting(&dev, false);
+
+
+    char text[20] ;
+    uint8_t x0 = LOAD_ICON_X ;
+    uint8_t y0 = LOAD_ICON_Y ;
+    uint8_t x1 = LOAD_ICON_X + LOAD_ICON_SIZE ;
+    uint8_t y1 = LOAD_ICON_Y + LOAD_ICON_SIZE ;
+    uint16_t count = 0 ;
+    ssd1306_select_font(1);
+
+    while (1) {
+
+        ssd1306_draw_string(&dev, buffer, 10, 10,"Hello, esp-open-rtos !", OLED_COLOR_WHITE, OLED_COLOR_BLACK) ;
+        sprintf(text,"FPS: %u",fps);
+        ssd1306_draw_string(&dev, buffer, 10, 40, text, OLED_COLOR_WHITE, OLED_COLOR_BLACK) ;
+
+        //generate loading icon
+        ssd1306_draw_line(&dev, buffer, x0, y0, x1, y1, OLED_COLOR_BLACK);
+        if (x0 < (LOAD_ICON_X + LOAD_ICON_SIZE)) { x0++ ; x1-- ; }
+        else if(y0< (LOAD_ICON_Y + LOAD_ICON_SIZE)) { y0++ ; y1-- ; }
+        else { x0 = LOAD_ICON_X ; y0 = LOAD_ICON_Y ; x1 = LOAD_ICON_X + LOAD_ICON_SIZE ; y1 = LOAD_ICON_Y + LOAD_ICON_SIZE ; }
+        ssd1306_draw_line(&dev, buffer, x0, y0, x1, y1, OLED_COLOR_WHITE);
+        ssd1306_draw_rectangle(&dev, buffer, LOAD_ICON_X, LOAD_ICON_Y, LOAD_ICON_SIZE+1, LOAD_ICON_SIZE+1, OLED_COLOR_WHITE);
+
+        //generate circle counting
+        for (uint8_t i = 0 ; i < 10 ; i++ ) {
+            if ((count>>i) & 0x01)  ssd1306_draw_circle(&dev,buffer,CIRCLE_COUNT_ICON_X, CIRCLE_COUNT_ICON_Y, i, OLED_COLOR_BLACK);
+        }
+
+        if(count != 0x03FF) count++;
+        else count = 0 ;
+
+        for (uint8_t i = 0 ; i < 10 ; i++ ) {
+            if ((count>>i) & 0x01) ssd1306_draw_circle(&dev,buffer, CIRCLE_COUNT_ICON_X, CIRCLE_COUNT_ICON_Y, i, OLED_COLOR_WHITE);
+        }
+
+        if (ssd1306_load_frame_buffer(&dev, buffer))
+            goto error_loop;
+        frame_done++ ;
+    }
+
+error_loop:
+    printf("%s: error while loading framebuffer into SSD1306\n", __func__);
+    for(;;){
+        vTaskDelay(2000 / portTICK_PERIOD_MS);
+        printf("%s: error loop\n", __FUNCTION__);
+    }
+}
+
+void SoftTimer( TimerHandle_t xTimer ){
+    fps = frame_done ; // Save number of frame already send to screen
+    frame_done = 0 ;
+
+}
+
+
+void user_init(void)
+{
+    //uncomment to test with CPU overclocked
+    //sdk_system_update_cpu_freq(160);
+
+    // Setup HW
+    uart_set_baud(0, 115200);
+
+    printf("SDK version:%s\n", sdk_system_get_sdk_version());
+
+#ifdef I2C_CONNECTION
+    i2c_init(SCL_PIN, SDA_PIN);
+#endif
+
+    while (ssd1306_init(&dev) != 0)
+    {
+        printf("%s: failed to init SSD1306 lcd\n", __func__);
+        vTaskDelay(1000/portTICK_PERIOD_MS);
+    }
+    ssd1306_set_whole_display_lighting(&dev, true);
+    vTaskDelay(1000/portTICK_PERIOD_MS);
+    // Create user interface task
+
+    xTaskCreate(ssd1306_task, "ssd1306_task", 256, NULL, 2, NULL);
+    timerHandle = xTimerCreate("Timer", 1000/portTICK_PERIOD_MS, pdTRUE, NULL, SoftTimer);
+    xTimerStart(timerHandle,0);
+}