Curves.hpp File Reference

Definition of throttle and brake mapping tables. More...

#include "Interp.hpp"
#include <stdint.h>

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Macros
#define	APPS_RATIO   53 / 34
	Ratio between 5V APPS and 3.3V APPS, use integer math to avoid float operations. Expanded to apps_scaled = apps_3v3 * APPS_RATIO.

Variables
constexpr uint16_t	APPS_5V_MIN = 50
constexpr uint16_t	APPS_5V_MAX = 950
constexpr uint16_t	APPS_3V3_MIN = 50
constexpr uint16_t	APPS_3V3_MAX = 950
constexpr TablePoint< uint16_t, int16_t >	CURVE_TABLE [5]
	Throttle mapping table.
constexpr uint16_t	brake_min = 50
constexpr uint16_t	brake_max = 950
constexpr TablePoint< uint16_t, int16_t >	BRAKE_TABLE [5]
	Brake mapping table, negative values for regen.
constexpr TablePoint< uint16_t, uint16_t >	APPS_3V3_SCALE_TABLE [3]
	APPS_3V3 mapping table, maps 3V3 readings to 5V readings.
constexpr TablePoint< uint16_t, uint16_t >	APPS_5V_PERCENT_TABLE [2]
	APPS_5V to percent mapping table, maps 5V readings to percent throttle (0-60000)
constexpr TablePoint< uint16_t, uint16_t >	APPS_5V_TABLE_INVERTED [2]
	APPS percent mapping table, maps APPS percentage to 5V readings.
constexpr LinearInterp< uint16_t, uint16_t, uint32_t, 2 >	APPS_5V_TABLE_INVERTED_MAP {APPS_5V_TABLE_INVERTED}
	LinearInterp for APPS_5V_TABLE_INVERTED, used to get APPS reading from a desired percentage.
constexpr TablePoint< uint16_t, int16_t >	THROTTLE_TABLE [5]
	Throttle mapping table (calculated), maps APPS_5V readings to torque values.

Detailed Description

Definition of throttle and brake mapping tables.

Author

Planeson, Red Bird Racing

Version

1.5

Date

2026-02-09

See also

Interp.hpp, Pedal

Definition in file Curves.hpp.

Macro Definition Documentation

APPS_RATIO

#define APPS_RATIO   53 / 34

Ratio between 5V APPS and 3.3V APPS, use integer math to avoid float operations. Expanded to apps_scaled = apps_3v3 * APPS_RATIO.

Note

max 64 for multiply to prevent overflow

Definition at line 28 of file Curves.hpp.

Variable Documentation

APPS_3V3_MAX

constexpr uint16_t APPS_3V3_MAX = 950

constexpr

value above which apps_3v3 is considered shorted to rail

Definition at line 21 of file Curves.hpp.

Referenced by Pedal::update().

APPS_3V3_MIN

constexpr uint16_t APPS_3V3_MIN = 50

constexpr

value below which apps_3v3 is considered shorted to ground

Definition at line 20 of file Curves.hpp.

Referenced by Pedal::update().

APPS_3V3_SCALE_TABLE

constexpr TablePoint<uint16_t, uint16_t> APPS_3V3_SCALE_TABLE[3]

constexpr

Initial value:

= {
    {189, 325},
    {327, 506},
    {530, 775}}

APPS_3V3 mapping table, maps 3V3 readings to 5V readings.

Definition at line 58 of file Curves.hpp.

APPS_5V_MAX

constexpr uint16_t APPS_5V_MAX = 950

constexpr

value above which apps_5v is considered shorted to rail

Definition at line 18 of file Curves.hpp.

Referenced by Pedal::update().

APPS_5V_MIN

constexpr uint16_t APPS_5V_MIN = 50

constexpr

value below which apps_5v is considered shorted to ground

Definition at line 17 of file Curves.hpp.

Referenced by Pedal::update().

APPS_5V_PERCENT_TABLE

constexpr TablePoint<uint16_t, uint16_t> APPS_5V_PERCENT_TABLE[2]

constexpr

Initial value:

= {
    {370, 0},
    {740, 60000}}

APPS_5V to percent mapping table, maps 5V readings to percent throttle (0-60000)

Definition at line 66 of file Curves.hpp.

Referenced by Pedal::checkPedalFault().

APPS_5V_TABLE_INVERTED

constexpr TablePoint<uint16_t, uint16_t> APPS_5V_TABLE_INVERTED[2]

constexpr

Initial value:

= {
    {APPS_5V_PERCENT_TABLE[0].out, APPS_5V_PERCENT_TABLE[0].in},
    {APPS_5V_PERCENT_TABLE[1].out, APPS_5V_PERCENT_TABLE[1].in}}

APPS percent mapping table, maps APPS percentage to 5V readings.

See also

THROTTLE_TABLE, APPS_5V_TABLE_INVERTED_MAP

Definition at line 75 of file Curves.hpp.

APPS_5V_TABLE_INVERTED_MAP

constexpr LinearInterp<uint16_t, uint16_t, uint32_t, 2> APPS_5V_TABLE_INVERTED_MAP {APPS_5V_TABLE_INVERTED}

constexpr

LinearInterp for APPS_5V_TABLE_INVERTED, used to get APPS reading from a desired percentage.

See also

THROTTLE_TABLE, APPS_5V_TABLE_INVERTED

Definition at line 83 of file Curves.hpp.

brake_max

constexpr uint16_t brake_max = 950

constexpr

value above which brake is considered shorted to rail

Definition at line 43 of file Curves.hpp.

Referenced by Pedal::update().

brake_min

constexpr uint16_t brake_min = 50

constexpr

value below which brake is considered shorted to ground

Definition at line 42 of file Curves.hpp.

Referenced by Pedal::update().

BRAKE_TABLE

constexpr TablePoint<uint16_t, int16_t> BRAKE_TABLE[5]

constexpr

Initial value:

= {
    {120, 0},
    {150, -15000},
    {180, -26000},
    {210, -31000},
    {240, -32500}}

Brake mapping table, negative values for regen.

Definition at line 48 of file Curves.hpp.

CURVE_TABLE

constexpr TablePoint<uint16_t, int16_t> CURVE_TABLE[5]

constexpr

Initial value:

= {
    {0, 0},
    {15000, 2000},
    {30000, 10000},
    {45000, 25000},
    {60000, 32500}}

Throttle mapping table.

Definition at line 33 of file Curves.hpp.

THROTTLE_TABLE

constexpr TablePoint<uint16_t, int16_t> THROTTLE_TABLE[5]

constexpr

Initial value:

= {
    {APPS_5V_TABLE_INVERTED_MAP.interp(CURVE_TABLE[0].in), CURVE_TABLE[0].out},
    {APPS_5V_TABLE_INVERTED_MAP.interp(CURVE_TABLE[1].in), CURVE_TABLE[1].out},
    {APPS_5V_TABLE_INVERTED_MAP.interp(CURVE_TABLE[2].in), CURVE_TABLE[2].out},
    {APPS_5V_TABLE_INVERTED_MAP.interp(CURVE_TABLE[3].in), CURVE_TABLE[3].out},
    {APPS_5V_TABLE_INVERTED_MAP.interp(CURVE_TABLE[4].in), CURVE_TABLE[4].out}}

Throttle mapping table (calculated), maps APPS_5V readings to torque values.

See also

CURVE_TABLE, APPS_5V_PERCENT_TABLE

Definition at line 89 of file Curves.hpp.

Referenced by loop().