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Add Display Count Down

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This commit is contained in:
nopnop2002 2019-04-21 12:24:02 +09:00
parent 218b1b8c28
commit 3e96f2021b
4 changed files with 43 additions and 33 deletions
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2
main/font8x8_basic.h
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@ -38,7 +38,7 @@
}
*/
uint8_t font8x8_basic_tr[128][8] = {
static uint8_t font8x8_basic_tr[128][8] = {
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0000 (nul)
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0001
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // U+0002

18
main/main.c
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@ -3,6 +3,7 @@
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "ssd1306.h"
#include "font8x8_basic.h"
// You have to set this config value with menuconfig
// CONFIG_MODEL
@ -43,8 +44,21 @@ void app_main(void)
ssd1306_display_text(dev, 2, "SSD1306 128x32", 14, true);
ssd1306_display_text(dev, 3, "Hello World!!", 13, true);
}
vTaskDelay(10000 / portTICK_PERIOD_MS);
//vTaskDelay(30000 / portTICK_PERIOD_MS);
vTaskDelay(3000 / portTICK_PERIOD_MS);
// Display Count Down
uint8_t image[24];
memset(image, 0, sizeof(image));
ssd1306_display_image(dev, 2, (6*8-1), image, sizeof(image));
ssd1306_display_image(dev, 3, (6*8-1), image, sizeof(image));
ssd1306_display_image(dev, 4, (6*8-1), image, sizeof(image));
for(int font=0x39;font>0x30;font--) {
memset(image, 0, sizeof(image));
ssd1306_display_image(dev, 3, (7*8-1), image, 8);
memcpy(image, font8x8_basic_tr[font], 8);
ssd1306_display_image(dev, 3, (7*8-1), image, 8);
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
// Horizontal Scroll
ssd1306_clear_screen(dev, false);

54
main/ssd1306.c
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@ -133,8 +133,7 @@ void ssd1306_display_text(SSD1306_t dev, int page, char * text, int text_len, bo
}
}
// images[32*4]
void ssd1306_display_font(SSD1306_t dev, int page, int seg, uint8_t * images, int width, int height) {
void ssd1306_display_image(SSD1306_t dev, int page, int seg, uint8_t * images, int width) {
i2c_cmd_handle_t cmd;
if (page >= dev._pages) return;
@ -142,38 +141,35 @@ void ssd1306_display_font(SSD1306_t dev, int page, int seg, uint8_t * images, in
uint8_t startLow = seg & 0x0F;
uint8_t startHigh = (seg >> 4) & 0x0F;
uint8_t numPages = height / 8;
uint8_t index = 0;
for (uint8_t cur_page=0; cur_page < numPages; cur_page++) {
index = cur_page * 32; // 0,32,64,96
cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (dev._address << 1) | I2C_MASTER_WRITE, true);
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_STREAM, true);
// Set Lower Column Start Address for Page Addressing Mode
i2c_master_write_byte(cmd, (0x00 + startLow), true);
// Set Higher Column Start Address for Page Addressing Mode
i2c_master_write_byte(cmd, (0x10 + startHigh), true);
// Set Page Start Address for Page Addressing Mode
i2c_master_write_byte(cmd, 0xB0 | (page + cur_page), true);
cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (dev._address << 1) | I2C_MASTER_WRITE, true);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10/portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_CMD_STREAM, true);
// Set Lower Column Start Address for Page Addressing Mode
//i2c_master_write_byte(cmd, 0x00, true);
i2c_master_write_byte(cmd, (0x00 + startLow), true);
// Set Higher Column Start Address for Page Addressing Mode
//i2c_master_write_byte(cmd, 0x10, true);
i2c_master_write_byte(cmd, (0x10 + startHigh), true);
// Set Page Start Address for Page Addressing Mode
i2c_master_write_byte(cmd, 0xB0 | page, true);
cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (dev._address << 1) | I2C_MASTER_WRITE, true);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10/portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
i2c_master_write(cmd, &images[index], width, true);
cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, (dev._address << 1) | I2C_MASTER_WRITE, true);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10/portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
}
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
i2c_master_write(cmd, images, width, true);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 10/portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd);
}

2
main/ssd1306.h
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@ -88,7 +88,7 @@ typedef struct {
void i2c_master_init(int sda, int scl, int reset);
void ssd1306_init(SSD1306_t * dev, int width, int height, int I2CAddress);
void ssd1306_display_text(SSD1306_t dev, int page, char * text, int text_len, bool invert);
void ssd1306_display_font(SSD1306_t dev, int page, int seg, uint8_t * images, int width, int height);
void ssd1306_display_image(SSD1306_t dev, int page, int seg, uint8_t * images, int width);
void ssd1306_clear_screen(SSD1306_t dev, bool invert);
void ssd1306_clear_line(SSD1306_t dev, int page, bool invert);
void ssd1306_contrast(SSD1306_t dev, int contrast);