96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
#include "ina260.h"
|
|
|
|
i2c_device_config_t INA260_DEV_CFG = {
|
|
.dev_addr_length = I2C_ADDR_BIT_LEN_7,
|
|
.device_address = INA260_ADDRESS,
|
|
.scl_speed_hz = 100000,
|
|
};
|
|
|
|
i2c_master_dev_handle_t INA260_DEV_HANDLE;
|
|
|
|
void ina260_reset()
|
|
{
|
|
i2c_write_register_16(INA260_DEV_HANDLE, 0x00, 0x0FFF); // set ina max averaging and max time
|
|
}
|
|
|
|
esp_err_t ina260_init()
|
|
{
|
|
esp_err_t ret = i2c_master_bus_add_device(i2c0_bus_hdl, &INA260_DEV_CFG, &INA260_DEV_HANDLE);
|
|
if (ret != ESP_OK)
|
|
{
|
|
ESP_LOGE(TAG_INA, "%s", esp_err_to_name(ret));
|
|
return ret;
|
|
}
|
|
ESP_LOGI(TAG_INA, "hehedstesfsewscdsfsrgerpodsvhdrsivhriuvjdreiv");
|
|
return i2c_write_register_16(INA260_DEV_HANDLE, INA260_CONFIG_REGISTER,
|
|
CONFIG_AVG_1024 | CONFIG_VBUSCT_8_244MS | CONFIG_ISHCT_8_244MS | CONFIG_MODE_CURRENT_VOLTAGE_CONTINOUS); // set ina max averaging and max time
|
|
}
|
|
|
|
esp_err_t i2c_master_read_register_transmit_receive(i2c_master_dev_handle_t device_handle, uint8_t reg_addr, uint8_t *data, size_t data_len)
|
|
{
|
|
esp_err_t ret;
|
|
|
|
// The register address is what we want to send first (the "transmit" part)
|
|
uint8_t write_buffer[1] = {reg_addr};
|
|
size_t write_size = 1;
|
|
|
|
// The data we read will be stored in the 'data' buffer (the "receive" part)
|
|
uint8_t read_buffer[data_len];
|
|
size_t read_size = data_len;
|
|
|
|
// Perform the combined write (register address) and read (register value)
|
|
ret = i2c_master_transmit_receive(INA260_DEV_HANDLE,
|
|
write_buffer, write_size,
|
|
read_buffer, read_size,
|
|
I2C_TIMEOUT_MS_VALUE);
|
|
|
|
if (ret == ESP_OK)
|
|
{
|
|
// Copy the data from the temporary read buffer to the output buffer
|
|
memcpy(data, read_buffer, read_size);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void ina260_readParams(uint16_t *volt, uint16_t *cur, uint16_t *pow)
|
|
{
|
|
if (INA260_DEV_HANDLE)
|
|
{
|
|
*volt = 0;
|
|
*cur = 0;
|
|
*pow = 0;
|
|
for (uint8_t reg_addr = 1; reg_addr <= 3; reg_addr++)
|
|
{
|
|
uint8_t reg_value[2] = {0}; // Buffer for storing register data
|
|
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_read_register_transmit_receive(INA260_DEV_HANDLE, reg_addr, reg_value, sizeof(reg_value)));
|
|
// Perform the register read
|
|
switch (reg_addr)
|
|
{
|
|
case 1:
|
|
*cur = (((uint16_t)(reg_value[0] & 0xFF)) << 8) | (reg_value[1] & 0xFF);
|
|
//*cur = *((uint16_t *)reg_value);
|
|
break;
|
|
case 2:
|
|
*volt = (((uint16_t)(reg_value[0] & 0xFF)) << 8) | (reg_value[1] & 0xFF);
|
|
break;
|
|
case 3:
|
|
*pow = (((uint16_t)(reg_value[0] & 0xFF)) << 8) | (reg_value[1] & 0xFF);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ina260_printParams(uint16_t volt, uint16_t cur, uint16_t pow)
|
|
{
|
|
float miliVolts = volt * 1.25;
|
|
float miliAmps = cur * 1.25;
|
|
float power = pow * 10;
|
|
ESP_LOGI(TAG_INA, "Current: %.3f mA (raw %d)", miliAmps, cur);
|
|
ESP_LOGI(TAG_INA, "Voltage: %.3f mV (raw %d)", miliVolts, volt);
|
|
ESP_LOGI(TAG_INA, "Power: %.3f mW (raw %d)", power, pow);
|
|
} |