Razvalyaev
c952c165f8
- через 60 сек экран выключается и есп уходит в сон - слейв в ожидании мастера прослушивает не постоянно 20мс/100мс
99 lines
3.6 KiB
C++
99 lines
3.6 KiB
C++
#include "Display.h"
|
|
#include "Config.h"
|
|
#include "Log.h"
|
|
#include <Wire.h>
|
|
#include <esp_log.h>
|
|
#include <string.h>
|
|
|
|
Display::Display() : oled_(128, 32, &Wire, -1) {}
|
|
|
|
bool Display::begin() {
|
|
Wire.begin(GPIO_SDA, GPIO_SCL);
|
|
Wire.setClock(400000); // keeps a full 128x32 framebuffer update near 15 ms
|
|
// An absent optional OLED produces a large burst of ESP-IDF NACK messages.
|
|
// Probe it once and keep the I2C driver quiet when no display is connected.
|
|
esp_log_level_set("i2c.master", ESP_LOG_NONE);
|
|
Wire.beginTransmission(OLED_ADDRESS);
|
|
if (Wire.endTransmission() != 0) {
|
|
ok_ = false;
|
|
Log::printf("OLED", "not detected at I2C address=0x%02X", OLED_ADDRESS);
|
|
return false;
|
|
}
|
|
ok_ = oled_.begin(SSD1306_SWITCHCAPVCC, OLED_ADDRESS);
|
|
if (ok_) {
|
|
oled_.setRotation(OLED_ROTATION);
|
|
oled_.setTextColor(SSD1306_WHITE);
|
|
oled_.setTextSize(1);
|
|
powered_ = true;
|
|
}
|
|
Log::printf("OLED", "initialization %s, I2C address=0x%02X", ok_ ? "OK" : "FAILED", OLED_ADDRESS);
|
|
return ok_;
|
|
}
|
|
|
|
void Display::setPower(bool enabled) {
|
|
if (!ok_ || powered_ == enabled) return;
|
|
oled_.ssd1306_command(enabled ? SSD1306_DISPLAYON : SSD1306_DISPLAYOFF);
|
|
powered_ = enabled;
|
|
Log::printf("OLED", "display power %s", enabled ? "ON" : "OFF");
|
|
}
|
|
|
|
void Display::fit(char *s) {
|
|
int16_t x, y; uint16_t w, h;
|
|
while (*s) {
|
|
oled_.getTextBounds(s, 0, 0, &x, &y, &w, &h);
|
|
if (w <= 128) break;
|
|
s[strlen(s) - 1] = '\0';
|
|
}
|
|
}
|
|
|
|
void Display::show(const char *a, const char *b, uint32_t progress, uint32_t progressTotal) {
|
|
char one[32], two[32];
|
|
snprintf(one, sizeof(one), "%s", a ? a : ""); snprintf(two, sizeof(two), "%s", b ? b : "");
|
|
// Serial is the primary UI mirror and remains available when OLED is absent.
|
|
Log::printf("UI", "%s | %s", one, two);
|
|
if (!ok_) return;
|
|
setPower(true);
|
|
fit(one); fit(two);
|
|
oled_.clearDisplay(); oled_.setCursor(0, 3); oled_.print(one);
|
|
oled_.setCursor(0, 19); oled_.print(two);
|
|
if (progressTotal) {
|
|
if (progress > progressTotal) progress = progressTotal;
|
|
const uint16_t width = static_cast<uint16_t>(
|
|
(static_cast<uint64_t>(progress) * 128U + progressTotal - 1U) / progressTotal);
|
|
if (width) oled_.drawFastHLine(0, 31, width, SSD1306_WHITE);
|
|
}
|
|
oled_.display();
|
|
}
|
|
|
|
void Display::formatFrequency(float hz, char *out, size_t n) {
|
|
float value = hz; const char *suffix = "Hz";
|
|
if (hz >= 999950.0f) { value = hz / 1000000.0f; suffix = "M"; }
|
|
else if (hz >= 1000.0f) { value = hz / 1000.0f; suffix = "k"; }
|
|
if (suffix[0] == 'M' && fabsf(value - roundf(value)) < 0.0005f)
|
|
snprintf(out, n, "%.0f%s", value, suffix);
|
|
else if (value >= 100.0f) snprintf(out, n, "%.1f%s", value, suffix);
|
|
else if (value >= 10.0f) snprintf(out, n, "%.2f%s", value, suffix);
|
|
else snprintf(out, n, "%.3f%s", value, suffix);
|
|
}
|
|
|
|
void Display::formatTestFrequency(uint32_t hz, char *out, size_t n) {
|
|
if (hz >= 1000000U && hz % 1000000U == 0)
|
|
snprintf(out, n, "%luM", hz / 1000000U);
|
|
else if (hz >= 1000U && hz % 1000U == 0)
|
|
snprintf(out, n, "%luk", hz / 1000U);
|
|
else if (hz >= 1000U) {
|
|
const float khz = hz / 1000.0f;
|
|
if (khz >= 100.0f) snprintf(out, n, "%.1fk", khz);
|
|
else if (khz >= 10.0f) snprintf(out, n, "%.2fk", khz);
|
|
else snprintf(out, n, "%.3fk", khz);
|
|
} else
|
|
snprintf(out, n, "%lu", hz);
|
|
}
|
|
|
|
void Display::formatDuration(uint64_t us, char *out, size_t n) {
|
|
const uint64_t totalSeconds = (us + 999999ULL) / 1000000ULL;
|
|
const uint64_t minutes = totalSeconds / 60ULL;
|
|
if (minutes < 60) snprintf(out, n, "%02llu:%02llu", minutes, totalSeconds % 60ULL);
|
|
else snprintf(out, n, "%llu:%02llu", minutes / 60ULL, minutes % 60ULL);
|
|
}
|