alex/esp-idf-ssd1306
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refactored

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nopnop2002 2024-09-13 11:27:18 +09:00
parent fa9c06e357
commit 52f523c7da
2 changed files with 101 additions and 53 deletions
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8
CounterDemo/main/main.c
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@ -195,10 +195,9 @@ uint8_t segmentDisplay[IMAGES][192] = {
// show_digit(&dev, segmentImage, 2, 3); // show_digit(&dev, segmentImage, 2, 3);
// show_digit(&dev, segmentImage, 1, 2); // show_digit(&dev, segmentImage, 1, 2);
// show_digit(&dev, segmentImage, 0, 1); // show_digit(&dev, segmentImage, 0, 1);
void show_digit(SSD1306_t * dev, uint8_t *segmentImage, int digitPosition, int digitNumber) {
void show_digit(SSD1306_t * dev, uint8_t *segmentImage, int digit_position, int digit_number) { int segmentImageIndex = digitNumber * 256;
int segmentImageIndex = digit_number * 256; int seg = digitPosition * 32;
int seg = digit_position * 32;
for (int page=0;page<8;page++) { for (int page=0;page<8;page++) {
ssd1306_display_image(dev, page, seg, &segmentImage[segmentImageIndex+page*32], 32); ssd1306_display_image(dev, page, seg, &segmentImage[segmentImageIndex+page*32], 32);
} }
@ -312,6 +311,7 @@ void app_main(void)
show_digit(&dev, segmentImage, 2, 0); show_digit(&dev, segmentImage, 2, 0);
show_digit(&dev, segmentImage, 1, 0); show_digit(&dev, segmentImage, 1, 0);
show_digit(&dev, segmentImage, 0, 0); show_digit(&dev, segmentImage, 0, 0);
vTaskDelay(200);
while(1) { while(1) {
digit4++; digit4++;

146
ScrollCounterDemo/main/main.c
View File

@ -190,6 +190,68 @@ uint8_t segmentDisplay[IMAGES][192] = {
} }
}; };
// If you want show "1234":
// show_digit(&dev, segmentImage, 3, 4);
// show_digit(&dev, segmentImage, 2, 3);
// show_digit(&dev, segmentImage, 1, 2);
// show_digit(&dev, segmentImage, 0, 1);
void show_digit(SSD1306_t * dev, uint8_t *segmentImage, int digitPosition, int digitNumber) {
int segmentImageIndex = digitNumber * 256;
int seg = digitPosition * 32;
for (int page=0;page<8;page++) {
ssd1306_display_image(dev, page, seg, &segmentImage[segmentImageIndex+page*32], 32);
}
}
// If you want show "3456":
// scroll_digit(&dev, segmentImage, 3, 6, buffer);
// scroll_digit(&dev, segmentImage, 2, 5, buffer);
// scroll_digit(&dev, segmentImage, 1, 4, buffer);
// scroll_digit(&dev, segmentImage, 0, 3, buffer);
void scroll_digit(SSD1306_t * dev, uint8_t *segmentImage, int digitPosition, int digitNumber, uint8_t *buffer) {
int segmentImageIndex = digitNumber * 256;
//memcpy(src, &segmentImage[digitNumber*256], 256);
uint8_t src[256];
memcpy(src, &segmentImage[segmentImageIndex], 256);
int height = ssd1306_get_height(dev);
ESP_LOGD(TAG, "height=%d", height);
int startSeg = digitPosition * 32; // startSeg=96->64->32->0
for (int _height=0;_height<height;_height++) {
// wrap_arround with no display
ssd1306_wrap_arround(dev, SCROLL_UP, startSeg, startSeg+31, -1);
// Get internal buffer
ssd1306_get_buffer(dev, buffer);
int page = _height/8;
int srcBits = (_height % 8);
ESP_LOGD(TAG,"_height=%d page=%d srcBits=%d", _height, page, srcBits);
// Update buffer
for (int seg=0;seg<32;seg++) {
int bufferIndex = 7*128+seg+startSeg;
uint8_t swk = src[page*32+seg];
uint8_t dwk = buffer[bufferIndex];
if (dev->_flip) swk = ssd1306_rotate_byte(swk);
if (dev->_flip) dwk = ssd1306_rotate_byte(dwk);
//buffer[bufferIndex] = ssd1306_copy_bit(src[page*32+seg], srcBits, buffer[bufferIndex], 7);
buffer[bufferIndex] = ssd1306_copy_bit(swk, srcBits, dwk, 7);
ESP_LOGD(TAG, "src[%d]=%02x buffer[bufferIndex]=%02x", page*32+seg, src[page*32+seg], buffer[bufferIndex]);
}
// Set internal buffer
ssd1306_set_buffer(dev, buffer);
// Show internal buffer
ssd1306_show_buffer(dev);
} // end _height
// Avoid WatchDog alerts
vTaskDelay(1);
}
void app_main(void) void app_main(void)
{ {
@ -271,60 +333,46 @@ void app_main(void)
#endif #endif
} }
// Test code
ssd1306_clear_screen(&dev, false); ssd1306_clear_screen(&dev, false);
for (int page=0;page<8;page++) { show_digit(&dev, segmentImage, 3, 4);
ssd1306_display_image(&dev, page, 0, &segmentImage[page*32], 32); show_digit(&dev, segmentImage, 2, 3);
ssd1306_display_image(&dev, page, 32, &segmentImage[page*32], 32); show_digit(&dev, segmentImage, 1, 2);
ssd1306_display_image(&dev, page, 64, &segmentImage[page*32], 32); show_digit(&dev, segmentImage, 0, 1);
ssd1306_display_image(&dev, page, 96, &segmentImage[page*32], 32); vTaskDelay(200);
vTaskDelay(2); scroll_digit(&dev, segmentImage, 3, 6, buffer);
} scroll_digit(&dev, segmentImage, 2, 5, buffer);
scroll_digit(&dev, segmentImage, 1, 4, buffer);
scroll_digit(&dev, segmentImage, 0, 3, buffer);
vTaskDelay(200);
// Show initial screen
int digit1 = 3;
int digit2 = 2;
int digit3 = 1;
int digit4 = 0;
ssd1306_clear_screen(&dev, false);
show_digit(&dev, segmentImage, 3, digit1);
show_digit(&dev, segmentImage, 2, digit2);
show_digit(&dev, segmentImage, 1, digit3);
show_digit(&dev, segmentImage, 0, digit4);
vTaskDelay(200);
int height = ssd1306_get_height(&dev); int height = ssd1306_get_height(&dev);
ESP_LOGD(TAG, "height=%d", height); ESP_LOGD(TAG, "height=%d", height);
while(1) { while(1) {
uint8_t src[256]; digit1 = digit1 + 1;
for (int imageIndex=1; imageIndex<=10; imageIndex++) { if (digit1 == 10) digit1 = 0;
int segmentImageIndex = imageIndex * 256; scroll_digit(&dev, segmentImage, 3, digit1, buffer);
if (imageIndex == 10) { digit2 = digit2 + 1;
segmentImageIndex = 0; if (digit2 == 10) digit2 = 0;
} scroll_digit(&dev, segmentImage, 2, digit2, buffer);
//memcpy(src, &segmentImage[imageIndex*256], 256); digit3 = digit3 + 1;
memcpy(src, &segmentImage[segmentImageIndex], 256); if (digit3 == 10) digit3 = 0;
scroll_digit(&dev, segmentImage, 1, digit3, buffer);
for (int digit=3;digit>=0;digit--) { digit4 = digit4 + 1;
int startSeg = digit * 32; // startSeg=96->64->32->0 if (digit4 == 10) digit4 = 0;
scroll_digit(&dev, segmentImage, 0, digit4, buffer);
for (int _height=0;_height<height;_height++) {
// wrap_arround with no display
ssd1306_wrap_arround(&dev, SCROLL_UP, startSeg, startSeg+31, -1);
// Get internal buffer
ssd1306_get_buffer(&dev, buffer);
int page = _height/8;
int srcBits = (_height % 8);
ESP_LOGD(TAG,"_height=%d page=%d srcBits=%d", _height, page, srcBits);
// Update buffer
for (int seg=0;seg<32;seg++) {
int bufferIndex = 7*128+seg+startSeg;
uint8_t swk = src[page*32+seg];
uint8_t dwk = buffer[bufferIndex];
if (dev._flip) swk = ssd1306_rotate_byte(swk);
if (dev._flip) dwk = ssd1306_rotate_byte(dwk);
//buffer[bufferIndex] = ssd1306_copy_bit(src[page*32+seg], srcBits, buffer[bufferIndex], 7);
buffer[bufferIndex] = ssd1306_copy_bit(swk, srcBits, dwk, 7);
ESP_LOGD(TAG, "src[%d]=%02x buffer[bufferIndex]=%02x", page*32+seg, src[page*32+seg], buffer[bufferIndex]);
}
// Set internal buffer
ssd1306_set_buffer(&dev, buffer);
// Show internal buffer
ssd1306_show_buffer(&dev);
// Avoid WatchDog alerts
//vTaskDelay(1);
} // end _height
// Avoid WatchDog alerts
vTaskDelay(1);
} // end digit
} // end imageIndex
} // end while } // end while
} }