chris/Weather_ESP
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Restructured library calls to make them work

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This commit is contained in:
Christian Loch 2020-02-17 09:04:52 +01:00
parent b4b55678a9
commit 15051a0aca
1 changed files with 93 additions and 80 deletions
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169
main/main.c
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@ -1,13 +1,5 @@
//#include "freertos/FreeRTOS.h"
//#include "esp_wifi.h"
//#include "esp_system.h"
//#include "esp_event.h"
//#include "esp_event_loop.h"
//#include "nvs_flash.h"
//#include "driver/gpio.h"
#include "bme280.h" #include "bme280.h"
#include "bme280_defs.h" #include "bme280_defs.h"
//#include "ssd1366.h"
#include "driver/i2c.h" #include "driver/i2c.h"
#include <u8g2.h> #include <u8g2.h>
#include "u8g2_esp32_hal.h" #include "u8g2_esp32_hal.h"
@ -64,22 +56,6 @@ void i2c_detect()
} }
int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len) { int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len) {
//printf("Reading from bus: dev_id=%x, reg_addr=%x, data=%p, length=%u\n", dev_id, reg_addr, data, len);
/*i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
if (data_addr != -1) {
i2c_master_write_byte(cmd, chip_addr << 1 | WRITE_BIT, ACK_CHECK_EN);
i2c_master_write_byte(cmd, data_addr, ACK_CHECK_EN);
i2c_master_start(cmd);
}
i2c_master_write_byte(cmd, chip_addr << 1 | READ_BIT, ACK_CHECK_EN);
if (len > 1) {
i2c_master_read(cmd, data, len - 1, ACK_VAL);
}
i2c_master_read_byte(cmd, data + len - 1, NACK_VAL);
i2c_master_stop(cmd);
esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 1000 / portTICK_RATE_MS);
i2c_cmd_link_delete(cmd);*/
i2c_cmd_handle_t cmd = i2c_cmd_link_create(); i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd); i2c_master_start(cmd);
i2c_master_write_byte(cmd, dev_id << 1 | I2C_MASTER_WRITE, 1); i2c_master_write_byte(cmd, dev_id << 1 | I2C_MASTER_WRITE, 1);
@ -123,88 +99,125 @@ void i2c_shutdown()
printf("Success!\n"); printf("Success!\n");
} }
void app_main(void) void read_sensor(struct bme280_dev* dev, int32_t* temp, uint32_t* pressure, uint32_t* humidity) {
{
i2c_setup();
struct bme280_dev dev;
int8_t rslt = BME280_OK;
dev.dev_id = 0x76;
dev.intf = BME280_I2C_INTF;
dev.read = i2c_read;
dev.write = i2c_write;
dev.delay_ms = i2c_delay;
rslt = bme280_init(&dev);
uint8_t settings_sel; uint8_t settings_sel;
uint32_t req_delay; uint32_t req_delay;
struct bme280_data comp_data; struct bme280_data comp_data;
/* Recommended mode of operation: Indoor navigation */ /* Recommended mode of operation: Indoor navigation */
dev.settings.osr_h = BME280_OVERSAMPLING_1X; dev->settings.osr_h = BME280_OVERSAMPLING_1X;
dev.settings.osr_p = BME280_OVERSAMPLING_16X; dev->settings.osr_p = BME280_OVERSAMPLING_16X;
dev.settings.osr_t = BME280_OVERSAMPLING_2X; dev->settings.osr_t = BME280_OVERSAMPLING_16X;
dev.settings.filter = BME280_FILTER_COEFF_16; dev->settings.filter = BME280_FILTER_COEFF_16;
settings_sel = BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL | BME280_OSR_HUM_SEL | BME280_FILTER_SEL; settings_sel = BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL | BME280_OSR_HUM_SEL | BME280_FILTER_SEL;
bme280_set_sensor_settings(settings_sel, dev);
rslt = bme280_set_sensor_settings(settings_sel, &dev);
/*Calculate the minimum delay required between consecutive measurement based upon the sensor enabled /*Calculate the minimum delay required between consecutive measurement based upon the sensor enabled
* and the oversampling configuration. */ * and the oversampling configuration. */
req_delay = bme280_cal_meas_delay(&(dev.settings)); req_delay = 12*bme280_cal_meas_delay(&(dev->settings));
printf("req_delay=%i\r\n", req_delay);
printf("Temperature, Pressure, Humidity\r\n");
/* Continuously stream sensor data */ /* Continuously stream sensor data */
while (1) { bme280_set_sensor_mode(BME280_FORCED_MODE, dev);
rslt = bme280_set_sensor_mode(BME280_FORCED_MODE, &dev);
/* Wait for the measurement to complete and print data @25Hz */ /* Wait for the measurement to complete and print data @25Hz */
dev.delay_ms(req_delay); dev->delay_ms(req_delay / portTICK_PERIOD_MS);
rslt = bme280_get_sensor_data(BME280_ALL, &comp_data, &dev); bme280_get_sensor_data(BME280_ALL, &comp_data, dev);
printf("%i °c, %i hPa, %i %%\r\n", comp_data.temperature/100, comp_data.pressure/100, comp_data.humidity/1024); *temp = comp_data.temperature;
vTaskDelay(50 / portTICK_PERIOD_MS); *pressure = comp_data.pressure;
*humidity = comp_data.humidity;
}
void print_data(u8g2_t* u8g2, int32_t temp, uint32_t pressure, uint32_t humidity) {
int32_t temp1 = temp / 100;
int32_t temp2 = (abs(temp) % 100) / 10;
uint32_t press1 = pressure / 100;
uint32_t humid1 = humidity / 1024;
uint32_t humid2 = (humidity - humid1*1024) * 10 / 1024;
//temp1 = 12;
//temp2 = 3;
int32_t temp3 = -1*temp1;
int32_t temp4 = temp2;
//press1 = 9999;
//humid1 = 13;
//humid2 = 4;
char temp1str[31];
char temp1str2[32];
sprintf(temp1str, "%d,%d", temp1, temp2);
if (temp1 < 10) {
sprintf(temp1str2, " %s", temp1str);
} else {
sprintf(temp1str2, "%s", temp1str);
} }
char temp2str[31];
char temp2str2[33];
sprintf(temp2str, "%d,%d", temp3, temp4);
uint8_t spaces = 0;
if (temp3 > 0)
spaces++;
if (abs(temp3) < 10)
spaces++;
if (spaces == 2)
sprintf(temp2str2, " %s", temp2str);
else if (spaces == 1)
sprintf(temp2str2, " %s", temp2str);
else {
sprintf(temp2str2, "%s", temp2str);
}
char tempstr[70];
sprintf(tempstr, "%s %s °C", temp1str2, temp2str2);
u8g2_ClearBuffer(u8g2);
i2c_shutdown(); char pressstr[27];
char humidstr[27];
sprintf(pressstr, "%d %d hPa", press1, press1);
sprintf(humidstr, "%d,%d %d,%d %%", humid1, humid2, humid1, humid2);
u8g2_SetFont(u8g2, u8g2_font_profont17_mf);
int8_t fontheight = u8g2_GetAscent(u8g2);
int8_t fontmargin = abs(u8g2_GetDescent(u8g2))+2;
u8g2_DrawStr(u8g2, 0, fontheight, " IN OUT ");
u8g2_DrawStr(u8g2, 0, 2*fontheight + fontmargin, tempstr);
u8g2_DrawStr(u8g2, 0, 3*fontheight + 2*fontmargin, humidstr);
u8g2_DrawStr(u8g2, 0, 4*fontheight + 3*fontmargin, pressstr);
u8g2_SendBuffer(u8g2);
}
void app_main(void)
{
int32_t temp = 0;
uint32_t pressure = 0;
uint32_t humidity = 0;
// INIT SENSOR
i2c_setup();
struct bme280_dev dev;
dev.dev_id = 0x76;
dev.intf = BME280_I2C_INTF;
dev.read = i2c_read;
dev.write = i2c_write;
dev.delay_ms = i2c_delay;
bme280_init(&dev);
// INIT DISPLAY
u8g2_esp32_hal_t u8g2_esp32_hal = U8G2_ESP32_HAL_DEFAULT; u8g2_esp32_hal_t u8g2_esp32_hal = U8G2_ESP32_HAL_DEFAULT;
u8g2_esp32_hal.sda = 18; u8g2_esp32_hal.sda = 18;
u8g2_esp32_hal.scl = 19; u8g2_esp32_hal.scl = 19;
u8g2_esp32_hal_init(u8g2_esp32_hal);
u8g2_esp32_hal_init(u8g2_esp32_hal);
u8g2_t u8g2; u8g2_t u8g2;
u8g2_Setup_ssd1306_i2c_128x64_vcomh0_f(&u8g2, U8G2_R0, u8g2_esp32_i2c_byte_cb, u8g2_Setup_ssd1306_i2c_128x64_vcomh0_f(&u8g2, U8G2_R0, u8g2_esp32_i2c_byte_cb,
u8g2_esp32_gpio_and_delay_cb); u8g2_esp32_gpio_and_delay_cb);
//u8x8_SetI2CAddress(&u8g2.u8x8,0x78);
u8x8_SetI2CAddress(&u8g2.u8x8,0x3C << 1); u8x8_SetI2CAddress(&u8g2.u8x8,0x3C << 1);
u8g2_InitDisplay(&u8g2); // send init sequence to the display, display is in sleep mode after this, u8g2_InitDisplay(&u8g2); // send init sequence to the display, display is in sleep mode after this,
u8g2_SetPowerSave(&u8g2, 0); // wake up display u8g2_SetPowerSave(&u8g2, 0); // wake up display
u8g2_SetContrast(&u8g2, 50);
u8g2_uint_t r = 10;
u8g2_uint_t x = r+1;
u8g2_uint_t y = r+1;
int8_t dx = 2;
int8_t dy = 5;
while (1) { while (1) {
u8g2_ClearBuffer(&u8g2); read_sensor(&dev, &temp, &pressure, &humidity);
u8g2_DrawDisc(&u8g2, x, y, r, U8G2_DRAW_ALL); printf("%i °c, %i hPa, %i %%\r\n", temp, pressure, humidity);
u8g2_DrawFrame(&u8g2, 0, 0, 128, 64); print_data(&u8g2, temp, pressure, humidity);
u8g2_SendBuffer(&u8g2); vTaskDelay(250 / portTICK_PERIOD_MS);
x = x + dx;
y = y + dy;
if (x <= 0+r+1 || x >= 127-r-1) {
dx = dx * -1;
} }
if (y <= 0+r+1 || y >= 63-r-1) {
dy = dy * -1;
vTaskDelay(10 / portTICK_PERIOD_MS);
}
}
} }