Restructured library calls to make them work
together
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b4b55678a9
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15051a0aca
169
main/main.c
169
main/main.c
@ -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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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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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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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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i2c_shutdown();
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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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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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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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}
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