dezibot/src/power/PowerParameters.h

123 lines
3.8 KiB
C++

/**
* @file PowerParameters.h
* @author Phillip Kühne
* @brief
* @version 0.1
* @date 2024-11-28
*
* @copyright (c) 2024
*
*/
#ifndef PowerParameters_h
#define PowerParameters_h
#include <cstdint>
namespace PowerParameters {
struct Battery {
// Datasheet values
static constexpr float CELL_CAPACITY_MAH = 120;
static constexpr float CELL_VOLTAGE_NOMINAL = 3.7;
struct DISCHARGE_CURVE {
static constexpr float REFERENCE_CURRENT_A = 0.063925;
static constexpr int NUM_POINTS = 22;
static constexpr float VOLTAGES[NUM_POINTS] = {
3.7426, 3.6110, 3.5621, 3.5027, 3.4826, 3.4391, 3.4005,
3.3674, 3.3387, 3.3137, 3.2846, 3.2400, 3.2212, 3.1949,
3.1749, 3.1575, 3.1148, 3.0967, 3.0234, 2.9689, 2.8903};
static constexpr int CHARGE_STATES[NUM_POINTS] = {
100, 95, 90, 85, 80, 75, 70, 65, 60, 55, 50,
45, 40, 35, 30, 25, 20, 15, 10, 5, 0};
};
// Derived values
static constexpr float CELL_CHARGE_FULL_COLOUMB = CELL_CAPACITY_MAH * 3.6;
static constexpr float CELL_ENERGY_FULL_JOULES =
CELL_CAPACITY_MAH * CELL_VOLTAGE_NOMINAL * 3.6;
static constexpr float CELL_CURRENT_1C_MA = CELL_CAPACITY_MAH;
static constexpr float CELL_CURRENT_2C_MA = CELL_CAPACITY_MAH * 2;
struct BAT_ADC {
static constexpr float VOLTAGE_DIVIDER_R12 = 27e3;
static constexpr float VOLTAGE_DIVIDER_R13 = 10e3;
static constexpr float VOLTAGE_DIVIDER_FACTOR =
(VOLTAGE_DIVIDER_R12 + VOLTAGE_DIVIDER_R13) / VOLTAGE_DIVIDER_R13;
};
// Configuration
static constexpr int AVERAGING_SAMPLES = 20;
};
// Factors concerning Buck-Boost-Converter
static constexpr float BUCK_BOOST_EFFICIENCY = 0.9;
/*
* The current consumptions in milliamperes of the different components are
* defined here. These values are measured on 3,3 Volts, and need to be
* converted to currents actually occuring at the battery.
*/
struct CurrentConsumptions {
static constexpr float CURRENT_ESP_BASE = 37.42;
static constexpr float CURRENT_ESP_LOAD = 88.43;
static constexpr float CURRENT_ESP_AVG =
(CURRENT_ESP_BASE + CURRENT_ESP_LOAD) / 2;
// WiFi current consumptions
static constexpr float CURRENT_WIFI_BASE = 64.58;
static constexpr float CURRENT_WIFI_PEAK = 128;
// RGB LED quiescent current
static constexpr float CURRENT_LED_RGB_BASE = 0.7;
// RGB LED per channel current during PWM on-time.
static constexpr float CURRENT_LED_RGB_CHAN_T_ON = 16;
static constexpr float CURRENT_SENSOR_RGBW = 0.2;
static constexpr float CURRENT_LED_IR_BOTTOM = 100;
static constexpr float CURRENT_LED_IR_FRONT = 180.7;
// Phototransistor current when active and illuminated.
static constexpr float CURRENT_PT = 0.33005;
// Average value, as internal behaviour can not non-expensively and
// accurately be observed from code.
static constexpr float CURRENT_DISPLAY = 9;
// Per motor current during PWM on-time.
static constexpr float CURRENT_MOTOR_T_ON = 130;
// Current of IMU when activated.
static constexpr float CURRENT_IMU = 0.55;
// LED Current. Placeholder.
static constexpr float CURRENT_UV_LED = 200;
};
/*
* Single consumer current limit up to which requests are granted no matter
* what. The idea is, that this will allow Sensors (with their miniscule power
* draw) to always be granted power, which should massively improve behaviour.
*/
static constexpr float CURRENT_INSIGNIFICANT = 1;
struct PinConfig {
static constexpr int BAT_ADC = 10;
static constexpr int BAT_ADC_EN = 9;
static constexpr int VUSB_SENS = 38;
static constexpr int BAT_CHG_STAT = 39;
};
enum PowerConsumers {
ESP,
WIFI,
LED_RGB_TOP_LEFT,
LED_RGB_TOP_RIGHT,
LED_RGB_BOTTOM,
RGBW_SENSOR,
LED_IR_BOTTOM,
LED_IR_FRONT,
PT_IR,
PT_DL,
LED_UV,
DISPLAY_OLED,
MOTOR_LEFT,
MOTOR_RIGHT,
IMU
};
static constexpr uint32_t POWER_STATE_UPDATE_INTERVAL_MS = 10;
}; // namespace PowerParameters
#endif // Consumptions_h