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ssd1306 more functions (#310)

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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
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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);
}

24
examples/ssd1306_fps/Makefile Normal file
View file

@ -0,0 +1,24 @@
PROGRAM = SSD1306_fps
EXTRA_COMPONENTS = extras/ssd1306 extras/i2c extras/fonts
# include a lot of builtin fonts
FONTS_GLCD_5X7 = 1
FONTS_BITOCRA_4X7 = 1
FONTS_BITOCRA_6X11 = 1
FONTS_BITOCRA_7X13 = 1
FONTS_TERMINUS_6X12_ISO8859_1 = 1
FONTS_TERMINUS_8X14_ISO8859_1 = 1
FONTS_TERMINUS_BOLD_8X14_ISO8859_1 = 1
FONTS_TERMINUS_10X18_ISO8859_1 = 1
FONTS_TERMINUS_BOLD_10X18_ISO8859_1 = 1
FONTS_TERMINUS_11X22_ISO8859_1 = 1
FONTS_TERMINUS_BOLD_11X22_ISO8859_1 = 1
FONTS_TERMINUS_12X24_ISO8859_1 = 1
FONTS_TERMINUS_BOLD_12X24_ISO8859_1 = 1
FONTS_TERMINUS_14X28_ISO8859_1 = 1
FONTS_TERMINUS_BOLD_14X28_ISO8859_1 = 1
FONTS_TERMINUS_16X32_ISO8859_1 = 1
FONTS_TERMINUS_BOLD_16X32_ISO8859_1 = 1
include ../../common.mk

185
examples/ssd1306_fps/main.c Normal file
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@ -0,0 +1,185 @@
#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 42
#define LOAD_ICON_SIZE 20
#define CIRCLE_COUNT_ICON_X 100
#define CIRCLE_COUNT_ICON_Y 52
/* 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 5
#define SDA_PIN 4
#else
#define PROTOCOL SSD1306_PROTO_SPI4
#define CS_PIN 5
#define DC_PIN 4
#endif
#define DEFAULT_FONT FONT_FACE_TERMINUS_6X12_ISO8859_1
/* 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 fps_timer_handle = NULL; // Timer handler
TimerHandle_t font_timer_handle = NULL;
uint8_t frame_done = 0; // number of frame send.
uint8_t fps = 0; // image per second.
const font_info_t *font = NULL; // current font
font_face_t font_face = 0;
#define SECOND (1000 / portTICK_PERIOD_MS)
static void ssd1306_task(void *pvParameters)
{
printf("%s: Started user interface task\n", __FUNCTION__);
vTaskDelay(SECOND);
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;
while (1) {
ssd1306_fill_rectangle(&dev, buffer, 0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT/2, OLED_COLOR_BLACK);
ssd1306_draw_string(&dev, buffer, font, 0, 0, "Hello, esp-open-rtos!", OLED_COLOR_WHITE, OLED_COLOR_BLACK);
sprintf(text, "FPS: %u ", fps);
ssd1306_draw_string(&dev, buffer, font_builtin_fonts[DEFAULT_FONT], 0, 45, 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);
}
count = count == 0x03FF ? 0 : count + 1;
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(2 * SECOND);
printf("%s: error loop\n", __FUNCTION__);
}
}
void fps_timer(TimerHandle_t h)
{
fps = frame_done; // Save number of frame already send to screen
frame_done = 0;
}
void font_timer(TimerHandle_t h)
{
do {
if (++font_face >= font_builtin_fonts_count)
font_face = 0;
font = font_builtin_fonts[font_face];
} while (!font);
printf("Selected builtin font %d\n", font_face);
}
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(SECOND);
}
ssd1306_set_whole_display_lighting(&dev, true);
vTaskDelay(SECOND);
font = font_builtin_fonts[font_face];
// Create user interface task
xTaskCreate(ssd1306_task, "ssd1306_task", 256, NULL, 2, NULL);
fps_timer_handle = xTimerCreate("fps_timer", SECOND, pdTRUE, NULL, fps_timer);
xTimerStart(fps_timer_handle, 0);
font_timer_handle = xTimerCreate("font_timer", 5 * SECOND, pdTRUE, NULL, font_timer);
xTimerStart(font_timer_handle, 0);
}