CanSat/EmbeddedESP
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This commit is contained in:
Bruno Rybársky
2025-04-26 17:09:55 +02:00
parent 5853bf849f
commit cb339e6b66
18 changed files with 270 additions and 111 deletions
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45
main/hw/ccs811.c
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@@ -4,13 +4,13 @@
i2c_device_config_t CCS811_DEV_CFG = {
.dev_addr_length = I2C_ADDR_BIT_LEN_7,
.device_address = 0x5A,
.device_address = CCS811_ADDRESS,
.scl_speed_hz = 100000,
};
i2c_master_dev_handle_t CCS811_DEV_HANDLE;
void ccs811_getStatus()
esp_err_t ccs811_getStatus()
{
uint8_t errorID;
uint8_t status;
@@ -18,29 +18,42 @@ void ccs811_getStatus()
uint16_t version;
uint16_t bootVersion;
i2c_read_register_8(CCS811_DEV_HANDLE, CCS811_REG_STATUS, &status);
i2c_read_register_16(CCS811_DEV_HANDLE, CCS811_REG_FW_APP_VERSION, &version);
i2c_read_register_16(CCS811_DEV_HANDLE, CCS811_REG_FW_BOOT_VERSION, &bootVersion);
i2c_read_register_8(CCS811_DEV_HANDLE, CCS811_REG_HW_VERSION, &hardwareVersion);
i2c_read_register_8(CCS811_DEV_HANDLE, CCS811_REG_ERROR_ID, &errorID);
esp_err_t ret = i2c_read_register_8(CCS811_DEV_HANDLE, CCS811_REG_STATUS, &status);
if (ret != ESP_OK) {return ret;}
ret = i2c_read_register_16(CCS811_DEV_HANDLE, CCS811_REG_FW_APP_VERSION, &version);
if (ret != ESP_OK) {return ret;}
ret = i2c_read_register_16(CCS811_DEV_HANDLE, CCS811_REG_FW_BOOT_VERSION, &bootVersion);
if (ret != ESP_OK) {return ret;}
ret = i2c_read_register_8(CCS811_DEV_HANDLE, CCS811_REG_HW_VERSION, &hardwareVersion);
if (ret != ESP_OK) {return ret;}
ret = i2c_read_register_8(CCS811_DEV_HANDLE, CCS811_REG_ERROR_ID, &errorID);
ESP_LOGW(TAG_CCS, "CCS811 status: %d, version: %d, boot version: %d, hardware version: %d, error ID: %d", status, version, bootVersion, hardwareVersion, errorID);
return ret;
}
void ccs811_init()
esp_err_t ccs811_init()
{
ESP_ERROR_CHECK(i2c_master_bus_add_device(i2c0_bus_hdl, &CCS811_DEV_CFG, &CCS811_DEV_HANDLE));
mcp23018_set_pin(MCP23018_DEV_HANDLE, MCP_CCS811_WAKE, 0);
mcp23018_set_pin(MCP23018_DEV_HANDLE, MCP_CCS811_POWER, 1);
esp_err_t ret =i2c_master_bus_add_device(i2c0_bus_hdl, &CCS811_DEV_CFG, &CCS811_DEV_HANDLE);
if (ret != ESP_OK) {return ret;}
ret = mcp23018_set_pin(MCP23018_DEV_HANDLE, MCP_CCS811_WAKE, 0);
if (ret != ESP_OK) {return ret;}
ret = mcp23018_set_pin(MCP23018_DEV_HANDLE, MCP_CCS811_POWER, 1);
if (ret != ESP_OK) {return ret;}
vTaskDelay(10 / portTICK_PERIOD_MS);
uint8_t reset_seq[4] = {0x11, 0xE5, 0x72, 0x8A};
i2c_write_register(CCS811_DEV_HANDLE, CCS811_REG_SW_RESET, reset_seq, sizeof(reset_seq)); // Reset
ret = i2c_write_register(CCS811_DEV_HANDLE, CCS811_REG_SW_RESET, reset_seq, sizeof(reset_seq)); // Reset
if (ret != ESP_OK) {return ret;}
vTaskDelay(10 / portTICK_PERIOD_MS);
ccs811_getStatus();
i2c_write_register(CCS811_DEV_HANDLE, CCS811_REG_APP_START, NULL, 0); // start
ret = ccs811_getStatus();
if (ret != ESP_OK) {return ret;}
ret = i2c_write_register(CCS811_DEV_HANDLE, CCS811_REG_APP_START, NULL, 0); // start
if (ret != ESP_OK) {return ret;}
vTaskDelay(10 / portTICK_PERIOD_MS);
i2c_write_register_8(CCS811_DEV_HANDLE, CCS811_REG_MEAS_MODE, 0x40); // MODE 1 interrupts vypnuté
ccs811_getStatus();
ret = i2c_write_register_8(CCS811_DEV_HANDLE, CCS811_REG_MEAS_MODE, 0x40); // MODE 1 interrupts vypnuté
if (ret != ESP_OK) {return ret;}
ret = ccs811_getStatus();
return ret;
}
esp_err_t ccs811_get_data(uint16_t *eCO2, uint16_t *tvoc, uint8_t *current, uint16_t *rawData)
{