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Weather_ESP/main/main.c

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Fix rgb value ordering Enable sensor usage Display now uses measured values
2020-04-20 18:54:01 +02:00
#include "bme280.h"
#include "bme280_defs.h"
#include "driver/i2c.h"
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
2020-04-20 05:19:42 +02:00
#include "display.h"
Imported u8g2 library and added example to main Removed old display library code
2020-02-10 19:14:18 +01:00
#include <esp_log.h>
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
2020-04-20 05:19:42 +02:00
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
//#include <esp_wifi.h>
//#include "freertos/event_groups.h"
//#include "nvs_flash.h"
//#include <esp_http_server.h>
//#include <sys/param.h>
//#define WIFI_SSID "Netzknecht"
//#define WIFI_PASS "***REMOVED***"
//#define WIFI_RETRIES 10
//
//static EventGroupHandle_t s_wifi_event_group;
//#define WIFI_CONNECTED_BIT BIT0
//#define WIFI_FAIL_BIT BIT1
//
//static const char *TAG = "wifi station";
//static int s_retry_num = 0;
//
//char cur_value_str[255];
//
///* An HTTP GET handler */
//static esp_err_t hello_get_handler(httpd_req_t *req)
//{
// char* buf;
// size_t buf_len;
//
// /* Get header value string length and allocate memory for length + 1,
// * extra byte for null termination */
// buf_len = httpd_req_get_hdr_value_len(req, "Host") + 1;
// if (buf_len > 1) {
// buf = malloc(buf_len);
// /* Copy null terminated value string into buffer */
// if (httpd_req_get_hdr_value_str(req, "Host", buf, buf_len) == ESP_OK) {
// ESP_LOGI(TAG, "Found header => Host: %s", buf);
// }
// free(buf);
// }
//
// buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-2") + 1;
// if (buf_len > 1) {
// buf = malloc(buf_len);
// if (httpd_req_get_hdr_value_str(req, "Test-Header-2", buf, buf_len) == ESP_OK) {
// ESP_LOGI(TAG, "Found header => Test-Header-2: %s", buf);
// }
// free(buf);
// }
//
// buf_len = httpd_req_get_hdr_value_len(req, "Test-Header-1") + 1;
// if (buf_len > 1) {
// buf = malloc(buf_len);
// if (httpd_req_get_hdr_value_str(req, "Test-Header-1", buf, buf_len) == ESP_OK) {
// ESP_LOGI(TAG, "Found header => Test-Header-1: %s", buf);
// }
// free(buf);
// }
//
// /* Read URL query string length and allocate memory for length + 1,
// * extra byte for null termination */
// buf_len = httpd_req_get_url_query_len(req) + 1;
// if (buf_len > 1) {
// buf = malloc(buf_len);
// if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
// ESP_LOGI(TAG, "Found URL query => %s", buf);
// char param[32];
// /* Get value of expected key from query string */
// if (httpd_query_key_value(buf, "query1", param, sizeof(param)) == ESP_OK) {
// ESP_LOGI(TAG, "Found URL query parameter => query1=%s", param);
// }
// if (httpd_query_key_value(buf, "query3", param, sizeof(param)) == ESP_OK) {
// ESP_LOGI(TAG, "Found URL query parameter => query3=%s", param);
// }
// if (httpd_query_key_value(buf, "query2", param, sizeof(param)) == ESP_OK) {
// ESP_LOGI(TAG, "Found URL query parameter => query2=%s", param);
// }
// }
// free(buf);
// }
//
// /* Set some custom headers */
// httpd_resp_set_hdr(req, "Custom-Header-1", "Custom-Value-1");
// httpd_resp_set_hdr(req, "Custom-Header-2", "Custom-Value-2");
//
// /* Send response with custom headers and body set as the
// * string passed in user context*/
// const char* resp_str = cur_value_str;
// httpd_resp_send(req, resp_str, strlen(resp_str));
//
// /* After sending the HTTP response the old HTTP request
// * headers are lost. Check if HTTP request headers can be read now. */
// if (httpd_req_get_hdr_value_len(req, "Host") == 0) {
// ESP_LOGI(TAG, "Request headers lost");
// }
// return ESP_OK;
//}
//
//static httpd_uri_t hello = {
// .uri = "/hello",
// .method = HTTP_GET,
// .handler = hello_get_handler,
// /* Let's pass response string in user
// * context to demonstrate it's usage */
// .user_ctx = "Hello World!"
//};
//
//static httpd_handle_t start_webserver(void)
//{
// httpd_handle_t server = NULL;
// httpd_config_t config = HTTPD_DEFAULT_CONFIG();
//
// // Start the httpd server
// ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port);
// if (httpd_start(&server, &config) == ESP_OK) {
// // Set URI handlers
// ESP_LOGI(TAG, "Registering URI handlers");
// httpd_register_uri_handler(server, &hello);
// return server;
// }
//
// ESP_LOGI(TAG, "Error starting server!");
// return NULL;
//}
//
//static void stop_webserver(httpd_handle_t server)
//{
// // Stop the httpd server
// httpd_stop(server);
//}
//
//static void disconnect_handler(void* arg, esp_event_base_t event_base,
// int32_t event_id, void* event_data)
//{
// httpd_handle_t* server = (httpd_handle_t*) arg;
// if (*server) {
// ESP_LOGI(TAG, "Stopping webserver");
// stop_webserver(*server);
// *server = NULL;
// }
//}
//
//static void connect_handler(void* arg, esp_event_base_t event_base,
// int32_t event_id, void* event_data)
//{
// httpd_handle_t* server = (httpd_handle_t*) arg;
// if (*server == NULL) {
// ESP_LOGI(TAG, "Starting webserver");
// *server = start_webserver();
// }
//}
//
//static void event_handler(void* arg, esp_event_base_t event_base,
// int32_t event_id, void* event_data)
//{
// if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
// esp_wifi_connect();
// } else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
// if (s_retry_num < WIFI_RETRIES) {
// esp_wifi_connect();
// s_retry_num++;
// ESP_LOGI(TAG, "retry to connect to the AP");
// } else {
// xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
// }
// ESP_LOGI(TAG,"connect to the AP fail");
// } else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
// ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
// ESP_LOGI(TAG, "got ip:%s",
// ip4addr_ntoa(&event->ip_info.ip));
// s_retry_num = 0;
// xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
// }
//}
//void wifi_init_sta()
//{
// s_wifi_event_group = xEventGroupCreate();
//
// tcpip_adapter_init();
//
// ESP_ERROR_CHECK(esp_event_loop_create_default());
//
// wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
// ESP_ERROR_CHECK(esp_wifi_init(&cfg));
//
// //tcpip_adapter_dhcpc_stop(TCPIP_ADAPTER_IF_STA);
// //tcpip_adapter_ip_info_t info;
// //ip4_addr_t gw;
// //gw.addr = ipaddr_addr("192.168.0.1");
// //info.gw = gw;
// //ip4_addr_t ip;
// //ip.addr = ipaddr_addr("192.168.0.110");
// //info.ip = ip;
// //ip4_addr_t netmask;
// //netmask.addr = ipaddr_addr("255.255.255.0");
// //info.netmask = netmask;
// //tcpip_adapter_sta_start(0, &info);
//
// ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL));
// ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL));
//
// wifi_config_t wifi_config = {
// .sta = {
// .ssid = WIFI_SSID,
// .password = WIFI_PASS
// },
// };
// ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
// ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
// ESP_ERROR_CHECK(esp_wifi_start() );
//
// ESP_LOGI(TAG, "wifi_init_sta finished.");
//
// /* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
// * number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
// EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
// WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
// pdFALSE,
// pdFALSE,
// portMAX_DELAY);
//
// //tcpip_adapter_set_ip_info(TCPIP_ADAPTER_IF_STA, &info);
// /* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
// * happened. */
// if (bits & WIFI_CONNECTED_BIT) {
// ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
// WIFI_SSID, WIFI_PASS);
// } else if (bits & WIFI_FAIL_BIT) {
// ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
// WIFI_SSID, WIFI_PASS);
// } else {
// ESP_LOGE(TAG, "UNEXPECTED EVENT");
// }
//
// ESP_ERROR_CHECK(esp_event_handler_unregister(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler));
// ESP_ERROR_CHECK(esp_event_handler_unregister(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler));
// vEventGroupDelete(s_wifi_event_group);
//}
Fix rgb value ordering Enable sensor usage Display now uses measured values
2020-04-20 18:54:01 +02:00
void i2c_setup()
{
printf("Setting up I<>C driver on port 1... ");
i2c_config_t config;
config.mode = I2C_MODE_MASTER;
config.sda_io_num = 33;
config.sda_pullup_en = GPIO_PULLUP_ENABLE;
config.scl_io_num = 32;
config.scl_pullup_en = GPIO_PULLUP_ENABLE;
config.master.clk_speed = 100000;
i2c_param_config(I2C_NUM_0, &config);
printf("Set driver parameters... ");
esp_err_t err = i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, 0, 0, 0);
if (err == ESP_OK)
printf("Driver installed!\n");
else if (err == ESP_ERR_INVALID_ARG)
printf("Driver install failed, invalid arguments!\n");
else
printf("Driver install failed!\n");
}
int8_t i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len) {
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd);
i2c_master_write_byte(cmd, dev_id << 1 | I2C_MASTER_WRITE, 1);
i2c_master_write_byte(cmd, reg_addr, 1);
i2c_master_start(cmd);
i2c_master_write_byte(cmd, dev_id << 1 | I2C_MASTER_READ, 1);
if (len > 1) {
i2c_master_read(cmd, data, len - 1, I2C_MASTER_ACK);
}
i2c_master_read_byte(cmd, data + len - 1, I2C_MASTER_NACK);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 500 / portTICK_RATE_MS);
i2c_cmd_link_delete(cmd);
return 0;
}
int8_t i2c_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *data, uint16_t len) {
//printf("Writing to 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);
i2c_master_write_byte(cmd, (dev_id << 1) | I2C_MASTER_WRITE, 1);
i2c_master_write_byte(cmd, reg_addr, 1);
i2c_master_write(cmd, data, len, 1);
i2c_master_stop(cmd);
i2c_master_cmd_begin(I2C_NUM_0, cmd, 500 / portTICK_RATE_MS);
i2c_cmd_link_delete(cmd);
return 0;
}
void i2c_delay(uint32_t period) {
vTaskDelay(period / portTICK_PERIOD_MS);
}
void i2c_shutdown()
{
printf("Shutting down I<>C bus... ");
esp_err_t err = i2c_driver_delete(I2C_NUM_0);
if (err == ESP_ERR_INVALID_ARG)
printf("Failed, invalid arguments!\n");
else
printf("Success!\n");
}
void read_sensor(struct bme280_dev* dev, int32_t* temp, uint32_t* pressure, uint32_t* humidity) {
uint8_t settings_sel;
uint32_t req_delay;
struct bme280_data comp_data;
dev->settings.osr_h = BME280_OVERSAMPLING_16X;
dev->settings.osr_p = BME280_OVERSAMPLING_16X;
dev->settings.osr_t = BME280_OVERSAMPLING_16X;
dev->settings.filter = BME280_FILTER_COEFF_16;
settings_sel = BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL | BME280_OSR_HUM_SEL | BME280_FILTER_SEL;
bme280_set_sensor_settings(settings_sel, dev);
req_delay = 12*bme280_cal_meas_delay(&(dev->settings));
/* Continuously stream sensor data */
bme280_set_sensor_mode(BME280_FORCED_MODE, dev);
/* Wait for the measurement to complete and print data @25Hz */
dev->delay_ms(req_delay / portTICK_PERIOD_MS);
bme280_get_sensor_data(BME280_ALL, &comp_data, dev);
*temp = comp_data.temperature;
*pressure = comp_data.pressure;
*humidity = comp_data.humidity;
}
void read_sensor2(struct bme280_dev* dev, int32_t* temp, uint32_t* pressure, uint32_t* humidity) {
uint8_t settings_sel;
uint32_t req_delay;
struct bme280_data comp_data;
dev->settings.osr_h = BME280_OVERSAMPLING_16X;
dev->settings.osr_p = BME280_OVERSAMPLING_16X;
dev->settings.osr_t = BME280_OVERSAMPLING_16X;
dev->settings.filter = BME280_FILTER_COEFF_16;
settings_sel = BME280_OSR_PRESS_SEL | BME280_OSR_TEMP_SEL | BME280_OSR_HUM_SEL | BME280_FILTER_SEL;
bme280_set_sensor_settings(settings_sel, dev);
/*Calculate the minimum delay required between consecutive measurement based upon the sensor enabled
* and the oversampling configuration. */
req_delay = 12*bme280_cal_meas_delay(&(dev->settings));
bme280_set_sensor_mode(BME280_FORCED_MODE, dev);
/* Wait for the measurement to complete and print data @25Hz */
dev->delay_ms(req_delay / portTICK_PERIOD_MS);
bme280_get_sensor_data(BME280_ALL, &comp_data, dev);
*temp = comp_data.temperature;
*pressure = comp_data.pressure;
*humidity = comp_data.humidity;
}
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
2020-04-20 05:19:42 +02:00
//void print_data(u8g2_t* u8g2, int32_t temp_raw, uint32_t pressure_raw, uint32_t humidity_raw,
// int32_t temp2_raw, uint32_t pressure2_raw, uint32_t humidity2_raw) {
// // Calc temperature pre and post comma values
// int32_t temp_pre = temp_raw / 100;
// int32_t temp_post = (abs(temp_raw) % 100) / 10;
// int32_t temp2_pre = temp2_raw / 100;
// int32_t temp2_post = (abs(temp2_raw) % 100) / 10;
//
// // Calc pressure values
// uint32_t press = pressure_raw / 100;
// uint32_t press2 = pressure2_raw / 100;
//
// // Calc humidity pre and post comma values
// uint32_t humid_pre = humidity_raw / 1024;
// uint32_t humid_post = (humidity_raw - humid_pre*1024) * 10 / 1024;
// uint32_t humid2_pre = humidity2_raw / 1024;
// uint32_t humid2_post = (humidity2_raw - humid2_pre*1024) * 10 / 1024;
//
// // Format temperatures
// char temp_str[2*(sizeof(int)*8+1)+5] = ""; // ""
// char temp_pre_str[sizeof(int)*8+1];
// itoa(temp_pre, temp_pre_str, 10);
// char temp_post_str[sizeof(int)*8+1];
// itoa(temp_post, temp_post_str, 10);
// char temp2_pre_str[sizeof(int)*8+1];
// itoa(temp2_pre, temp2_pre_str, 10);
// char temp2_post_str[sizeof(int)*8+1];
// itoa(temp2_post, temp2_post_str, 10);
// if (temp_pre < 10)
// strcat(temp_str, " "); // Add space if first temperatur is just one digit long " "
// strcat(temp_str, temp_pre_str); // " 1"
// strcat(temp_str, ","); // " 1,"
// strcat(temp_str, temp_post_str); // " 1,3"
// strcat(temp_str, " "); // " 1,3 "
// if (temp2_pre >= 0)
// strcat(temp_str, " "); // Add space if there is no minus sign " 1,3 "
// if (temp2_pre < 10)
// strcat(temp_str, " "); // Add space if second temperatur is just one digit long " 1,3 "
// strcat(temp_str, temp2_pre_str); // " 1,3 7"
// strcat(temp_str, ","); // " 1,3 7,"
// strcat(temp_str, temp2_post_str); // " 1,3 7,2"
// strcat(temp_str, " <20>C"); // " 1,3 7,2 <20>C"
//
// // Format temperatures
// char humid_str[2*(sizeof(int)*8+1)+5] = ""; // ""
// char humid_pre_str[sizeof(int)*8+1];
// itoa(humid_pre, humid_pre_str, 10);
// char humid_post_str[sizeof(int)*8+1];
// itoa(humid_post, humid_post_str, 10);
// char humid2_pre_str[sizeof(int)*8+1];
// itoa(humid2_pre, humid2_pre_str, 10);
// char humid2_post_str[sizeof(int)*8+1];
// itoa(humid2_post, humid2_post_str, 10);
// strcat(humid_str, humid_pre_str); // "12"
// strcat(humid_str, ","); // "12,"
// strcat(humid_str, humid_post_str); // "12,5"
// strcat(humid_str, " "); // "12,5 "
// strcat(humid_str, humid2_pre_str); // "12,5 45"
// strcat(humid_str, ","); // "12,5 45,"
// strcat(humid_str, humid2_post_str); // "12,5 45,23"
// strcat(humid_str, " %"); // "12,5 45,23 %"
//
// // Format pressure
// char pressure_str[2*(sizeof(int)*8+1)+5] = ""; // ""
// char press1_str[sizeof(int)*8+1];
// itoa(press, press1_str, 10);
// char press2_str[sizeof(int)*8+1];
// itoa(press2, press2_str, 10);
// if (press < 1000)
// strcat(pressure_str, " ");
// strcat(pressure_str, press1_str);
// strcat(pressure_str, " ");
// if (press2 < 1000)
// strcat(pressure_str, " ");
// strcat(pressure_str, press2_str);
// strcat(pressure_str, " hPa");
//
// u8g2_ClearBuffer(u8g2);
// 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, temp_str);
// u8g2_DrawStr(u8g2, 0, 3*fontheight + 2*fontmargin, humid_str);
// u8g2_DrawStr(u8g2, 0, 4*fontheight + 3*fontmargin, pressure_str);
// u8g2_SendBuffer(u8g2);
//}
Added simple HTTP Server Rewrote print_data function Fixed multiple sensor usage on one I2C bus
2020-03-05 01:30:31 +01:00
Integrated BME280 Bosch library Sensor measurements are working
2020-02-15 18:09:19 +01:00
Restructured library calls to make them work together
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void app_main(void)
{
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
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int32_t temp = -12;
Restructured library calls to make them work together
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uint32_t pressure = 0;
uint32_t humidity = 0;
Added simple HTTP Server Rewrote print_data function Fixed multiple sensor usage on one I2C bus
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int32_t temp2 = 0;
uint32_t pressure2 = 0;
uint32_t humidity2 = 0;
Restructured library calls to make them work together
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// INIT SENSOR
Fix rgb value ordering Enable sensor usage Display now uses measured values
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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);
Integrated BME280 Bosch library Sensor measurements are working
2020-02-15 18:09:19 +01:00
Added simple HTTP Server Rewrote print_data function Fixed multiple sensor usage on one I2C bus
2020-03-05 01:30:31 +01:00
// INIT SENSOR2
Fix rgb value ordering Enable sensor usage Display now uses measured values
2020-04-20 18:54:01 +02:00
struct bme280_dev dev2;
dev2.dev_id = 0x77;
dev2.intf = BME280_I2C_INTF;
dev2.read = i2c_read;
dev2.write = i2c_write;
dev2.delay_ms = i2c_delay;
bme280_init(&dev2);
Imported u8g2 library and added example to main Removed old display library code
2020-02-10 19:14:18 +01:00
Added simple HTTP Server Rewrote print_data function Fixed multiple sensor usage on one I2C bus
2020-03-05 01:30:31 +01:00
// INIT WIFI
//Initialize NVS
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
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// esp_err_t ret = nvs_flash_init();
// if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
// ESP_ERROR_CHECK(nvs_flash_erase());
// ret = nvs_flash_init();
// }
// ESP_ERROR_CHECK(ret);
//
// ESP_LOGI(TAG, "ESP_WIFI_MODE_STA");
// wifi_init_sta();
Added simple HTTP Server Rewrote print_data function Fixed multiple sensor usage on one I2C bus
2020-03-05 01:30:31 +01:00
// INIT WEBSERVER
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
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// static httpd_handle_t server = NULL;
// ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &connect_handler, &server));
// ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &disconnect_handler, &server));
// server = start_webserver();
init_display();
Added simple HTTP Server Rewrote print_data function Fixed multiple sensor usage on one I2C bus
2020-03-05 01:30:31 +01:00
Imported u8g2 library and added example to main Removed old display library code
2020-02-10 19:14:18 +01:00
while (1) {
Fix rgb value ordering Enable sensor usage Display now uses measured values
2020-04-20 18:54:01 +02:00
read_sensor(&dev, &temp, &pressure, &humidity);
read_sensor(&dev2, &temp2, &pressure2, &humidity2);
printf("%i °C, %i hPa, %i %%\r\n", temp, pressure, humidity);
printf("%i °C, %i hPa, %i %%\r\n", temp2, pressure2, humidity2);
Add ESP32_TFT lib, remove Ucglib Implement first version of interface
2020-04-20 05:19:42 +02:00
display_data(temp, pressure, humidity, temp2, pressure2, humidity2);
vTaskDelay(1000 / portTICK_PERIOD_MS);
Imported u8g2 library and added example to main Removed old display library code
2020-02-10 19:14:18 +01:00
}
Create eclipse project
2020-02-03 09:02:25 +01:00
}
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