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@@ -1,13 +1,5 @@ |
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//#include "freertos/FreeRTOS.h" |
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//#include "esp_wifi.h" |
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//#include "esp_system.h" |
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//#include "esp_event.h" |
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//#include "esp_event_loop.h" |
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//#include "nvs_flash.h" |
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//#include "driver/gpio.h" |
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#include "bme280.h" |
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#include "bme280_defs.h" |
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//#include "ssd1366.h" |
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#include "driver/i2c.h" |
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#include <u8g2.h> |
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#include "u8g2_esp32_hal.h" |
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@@ -64,22 +56,6 @@ void i2c_detect() |
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} |
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int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len) { |
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//printf("Reading from bus: dev_id=%x, reg_addr=%x, data=%p, length=%u\n", dev_id, reg_addr, data, len); |
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/*i2c_cmd_handle_t cmd = i2c_cmd_link_create(); |
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i2c_master_start(cmd); |
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if (data_addr != -1) { |
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i2c_master_write_byte(cmd, chip_addr << 1 | WRITE_BIT, ACK_CHECK_EN); |
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i2c_master_write_byte(cmd, data_addr, ACK_CHECK_EN); |
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i2c_master_start(cmd); |
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} |
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i2c_master_write_byte(cmd, chip_addr << 1 | READ_BIT, ACK_CHECK_EN); |
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if (len > 1) { |
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i2c_master_read(cmd, data, len - 1, ACK_VAL); |
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} |
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i2c_master_read_byte(cmd, data + len - 1, NACK_VAL); |
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i2c_master_stop(cmd); |
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esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 1000 / portTICK_RATE_MS); |
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i2c_cmd_link_delete(cmd);*/ |
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i2c_cmd_handle_t cmd = i2c_cmd_link_create(); |
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i2c_master_start(cmd); |
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i2c_master_write_byte(cmd, dev_id << 1 | I2C_MASTER_WRITE, 1); |
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@@ -123,88 +99,125 @@ void i2c_shutdown() |
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printf("Success!\n"); |
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} |
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void app_main(void) |
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{ |
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i2c_setup(); |
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struct bme280_dev dev; |
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int8_t rslt = BME280_OK; |
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dev.dev_id = 0x76; |
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dev.intf = BME280_I2C_INTF; |
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dev.read = i2c_read; |
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dev.write = i2c_write; |
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dev.delay_ms = i2c_delay; |
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rslt = bme280_init(&dev); |
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void read_sensor(struct bme280_dev* dev, int32_t* temp, uint32_t* pressure, uint32_t* humidity) { |
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uint8_t settings_sel; |
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uint32_t req_delay; |
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struct bme280_data comp_data; |
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/* Recommended mode of operation: Indoor navigation */ |
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dev.settings.osr_h = BME280_OVERSAMPLING_1X; |
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dev.settings.osr_p = BME280_OVERSAMPLING_16X; |
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dev.settings.osr_t = BME280_OVERSAMPLING_2X; |
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dev.settings.filter = BME280_FILTER_COEFF_16; |
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dev->settings.osr_h = BME280_OVERSAMPLING_1X; |
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dev->settings.osr_p = BME280_OVERSAMPLING_16X; |
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dev->settings.osr_t = BME280_OVERSAMPLING_16X; |
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dev->settings.filter = BME280_FILTER_COEFF_16; |
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settings_sel = BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL | BME280_OSR_HUM_SEL | BME280_FILTER_SEL; |
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rslt = bme280_set_sensor_settings(settings_sel, &dev); |
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bme280_set_sensor_settings(settings_sel, dev); |
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/*Calculate the minimum delay required between consecutive measurement based upon the sensor enabled |
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* and the oversampling configuration. */ |
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req_delay = bme280_cal_meas_delay(&(dev.settings)); |
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* and the oversampling configuration. */ |
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req_delay = 12*bme280_cal_meas_delay(&(dev->settings)); |
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printf("req_delay=%i\r\n", req_delay); |
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printf("Temperature, Pressure, Humidity\r\n"); |
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/* Continuously stream sensor data */ |
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while (1) { |
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rslt = bme280_set_sensor_mode(BME280_FORCED_MODE, &dev); |
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/* Wait for the measurement to complete and print data @25Hz */ |
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dev.delay_ms(req_delay); |
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rslt = bme280_get_sensor_data(BME280_ALL, &comp_data, &dev); |
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printf("%i °c, %i hPa, %i %%\r\n", comp_data.temperature/100, comp_data.pressure/100, comp_data.humidity/1024); |
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vTaskDelay(50 / portTICK_PERIOD_MS); |
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bme280_set_sensor_mode(BME280_FORCED_MODE, dev); |
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/* Wait for the measurement to complete and print data @25Hz */ |
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dev->delay_ms(req_delay / portTICK_PERIOD_MS); |
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bme280_get_sensor_data(BME280_ALL, &comp_data, dev); |
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*temp = comp_data.temperature; |
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*pressure = comp_data.pressure; |
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*humidity = comp_data.humidity; |
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} |
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void print_data(u8g2_t* u8g2, int32_t temp, uint32_t pressure, uint32_t humidity) { |
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int32_t temp1 = temp / 100; |
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int32_t temp2 = (abs(temp) % 100) / 10; |
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uint32_t press1 = pressure / 100; |
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uint32_t humid1 = humidity / 1024; |
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uint32_t humid2 = (humidity - humid1*1024) * 10 / 1024; |
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//temp1 = 12; |
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//temp2 = 3; |
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int32_t temp3 = -1*temp1; |
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int32_t temp4 = temp2; |
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//press1 = 9999; |
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//humid1 = 13; |
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//humid2 = 4; |
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char temp1str[31]; |
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char temp1str2[32]; |
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sprintf(temp1str, "%d,%d", temp1, temp2); |
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if (temp1 < 10) { |
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sprintf(temp1str2, " %s", temp1str); |
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} else { |
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sprintf(temp1str2, "%s", temp1str); |
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} |
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char temp2str[31]; |
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char temp2str2[33]; |
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sprintf(temp2str, "%d,%d", temp3, temp4); |
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uint8_t spaces = 0; |
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if (temp3 > 0) |
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spaces++; |
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if (abs(temp3) < 10) |
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spaces++; |
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if (spaces == 2) |
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sprintf(temp2str2, " %s", temp2str); |
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else if (spaces == 1) |
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sprintf(temp2str2, " %s", temp2str); |
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else { |
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sprintf(temp2str2, "%s", temp2str); |
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} |
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char tempstr[70]; |
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sprintf(tempstr, "%s %s °C", temp1str2, temp2str2); |
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u8g2_ClearBuffer(u8g2); |
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char pressstr[27]; |
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char humidstr[27]; |
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sprintf(pressstr, "%d %d hPa", press1, press1); |
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sprintf(humidstr, "%d,%d %d,%d %%", humid1, humid2, humid1, humid2); |
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u8g2_SetFont(u8g2, u8g2_font_profont17_mf); |
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int8_t fontheight = u8g2_GetAscent(u8g2); |
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int8_t fontmargin = abs(u8g2_GetDescent(u8g2))+2; |
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u8g2_DrawStr(u8g2, 0, fontheight, " IN OUT "); |
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u8g2_DrawStr(u8g2, 0, 2*fontheight + fontmargin, tempstr); |
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u8g2_DrawStr(u8g2, 0, 3*fontheight + 2*fontmargin, humidstr); |
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u8g2_DrawStr(u8g2, 0, 4*fontheight + 3*fontmargin, pressstr); |
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u8g2_SendBuffer(u8g2); |
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} |
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i2c_shutdown(); |
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void app_main(void) |
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{ |
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int32_t temp = 0; |
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uint32_t pressure = 0; |
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uint32_t humidity = 0; |
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// INIT SENSOR |
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i2c_setup(); |
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struct bme280_dev dev; |
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dev.dev_id = 0x76; |
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dev.intf = BME280_I2C_INTF; |
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dev.read = i2c_read; |
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dev.write = i2c_write; |
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dev.delay_ms = i2c_delay; |
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bme280_init(&dev); |
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// INIT DISPLAY |
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u8g2_esp32_hal_t u8g2_esp32_hal = U8G2_ESP32_HAL_DEFAULT; |
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u8g2_esp32_hal.sda = 18; |
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u8g2_esp32_hal.scl = 19; |
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u8g2_esp32_hal_init(u8g2_esp32_hal); |
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u8g2_esp32_hal_init(u8g2_esp32_hal); |
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u8g2_t u8g2; |
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u8g2_Setup_ssd1306_i2c_128x64_vcomh0_f(&u8g2, U8G2_R0, u8g2_esp32_i2c_byte_cb, |
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u8g2_esp32_gpio_and_delay_cb); |
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//u8x8_SetI2CAddress(&u8g2.u8x8,0x78); |
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u8x8_SetI2CAddress(&u8g2.u8x8,0x3C << 1); |
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u8g2_InitDisplay(&u8g2); // send init sequence to the display, display is in sleep mode after this, |
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u8g2_SetPowerSave(&u8g2, 0); // wake up display |
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u8g2_SetContrast(&u8g2, 50); |
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u8g2_uint_t r = 10; |
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u8g2_uint_t x = r+1; |
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u8g2_uint_t y = r+1; |
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int8_t dx = 2; |
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int8_t dy = 5; |
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while (1) { |
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u8g2_ClearBuffer(&u8g2); |
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u8g2_DrawDisc(&u8g2, x, y, r, U8G2_DRAW_ALL); |
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u8g2_DrawFrame(&u8g2, 0, 0, 128, 64); |
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u8g2_SendBuffer(&u8g2); |
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x = x + dx; |
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y = y + dy; |
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if (x <= 0+r+1 || x >= 127-r-1) { |
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dx = dx * -1; |
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} |
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if (y <= 0+r+1 || y >= 63-r-1) { |
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dy = dy * -1; |
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vTaskDelay(10 / portTICK_PERIOD_MS); |
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} |
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read_sensor(&dev, &temp, &pressure, &humidity); |
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printf("%i °c, %i hPa, %i %%\r\n", temp, pressure, humidity); |
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print_data(&u8g2, temp, pressure, humidity); |
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vTaskDelay(250 / portTICK_PERIOD_MS); |
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} |
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} |
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