Repo unification

This commit is contained in:
2024-03-12 21:22:26 +02:00
parent 7aa7edba33
commit 02cb3a9c70
152 changed files with 14575 additions and 2038 deletions

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/**** Includes ****/
#include "faults.h"
#include "utils.h"
/**** Private definitions ****/
/**** Private constants ****/
/**** Private variables ****/
/**** Mapping function declarations ****/
/**** Private function declarations ****/
/**** Public function definitions ****/
#ifdef TESTING
#endif
uint8_t fault_process(fault_t* fault, uint8_t w_trig, uint8_t f_trig, fault_cfg_t* cfg)
{
// Override warning trigger in case of fault trigger
if(f_trig) w_trig = 1;
// Increase warning time, if reoccurring
if((w_trig)&&(fault->severity != FAULT_LVL_OK)) fault->w_time = util_sat_add_16b(fault->w_time, 1);
else fault->w_time = 0;
// Check if waring can be considered fault
if((cfg->wtof > 0)&&(fault->w_time > cfg->wtof)) f_trig = 1;
// Increase fault time, if reoccurring
if((f_trig)&&(fault->severity != FAULT_LVL_OK)) fault->f_time = util_sat_add_16b(fault->f_time, 1);
else fault->f_time = 0;
// Modify fault trigger
if((cfg->delay)&&(fault->f_time < cfg->delay)) f_trig = 0;
// Process fault level
if(f_trig)
{
fault->severity = FAULT_LVL_FAULT;
return 1;
}
else
{
if(w_trig) fault->severity = FAULT_LVL_WARNING;
else fault->severity = FAULT_LVL_OK;
}
return 0;
}
uint8_t fault_is_active(fault_t* fault)
{
if(fault->severity == FAULT_LVL_FAULT) return 1;
else return 0;
}
uint8_t fault_is_warning(fault_t* fault)
{
if(fault->severity != FAULT_LVL_OK) return 1;
else return 0;
}
void fault_reset(fault_t* fault)
{
fault->severity = FAULT_LVL_OK;
fault->w_time = 0;
fault->f_time = 0;
}
/**** Private function definitions ****/

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#ifndef FAULTS_H_
#define FAULTS_H_
/*
*/
/**** Includes ****/
#include <stdint.h>
/**** Public definitions ****/
typedef enum {
FAULT_LVL_OK,
FAULT_LVL_WARNING,
FAULT_LVL_FAULT
} fault_lvl_t;
typedef struct {
fault_lvl_t severity;
uint16_t w_time;
uint16_t f_time;
} fault_t;
typedef struct {
uint16_t delay;
uint16_t wtof;
} fault_cfg_t;
/**** Public function declarations ****/
uint8_t fault_process(fault_t* fault, uint8_t w_trig, uint8_t f_trig, fault_cfg_t* cfg);
uint8_t fault_is_active(fault_t* fault);
uint8_t fault_is_warning(fault_t* fault);
void fault_reset(fault_t* fault);
#ifdef TESTING
#endif
#endif /* FAULTS_H_ */

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/**** Includes ****/
#include "fuses.h"
#include "utils.h"
/**** Private definitions ****/
/**** Private constants ****/
/**** Private variables ****/
/**** Mapping function declarations ****/
/**** Private function declarations ****/
/**** Public function definitions ****/
#ifdef TESTING
#endif
void fuse_reset(fuse_t* fuse)
{
fuse->state = FUSE_OFF;
fuse->timer = 0;
fuse->count = 0;
}
uint8_t fuse_process(fuse_t* fuse, uint8_t fault, fuse_cfg_t* cfg)
{
// Active fault condition
if(fault)
{
// Note fuse time count
if((fuse->state == FUSE_OFF)||(fuse->state == FUSE_RETRY)) fuse->count++;
// Go to fused state in any case
fuse->state = FUSE_ACTIVE;
fuse->timer = 0;
return 1;
};
// No active fault condition
if(fuse->state==FUSE_ACTIVE)
{
// Go to cooldown
fuse->state = FUSE_COOLDOWN;
fuse->timer = cfg->cooldown_time;
};
// Wait for timeout
if(fuse->timer)
{
fuse->timer--;
if(fuse->state == FUSE_RETRY) return 0;
else return 1;
};
// Timeout end, transition logic
switch(fuse->state)
{
case FUSE_COOLDOWN:
// Cooldown end
if(cfg->retry_time)
{
fuse->state = FUSE_RETRY;
fuse->timer = cfg->retry_time;
}
else
{
fuse->state = FUSE_OFF;
fuse->timer = 0;
}
break;
case FUSE_RETRY:
// Go back to normal
fuse->state = FUSE_OFF;
break;
default:
// Nothing to do
break;
}
return 0;
}
/**** Private function definitions ****/

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#ifndef FUSES_H_
#define FUSES_H_
/*
*/
/**** Includes ****/
#include <stdint.h>
/**** Public definitions ****/
typedef enum {
FUSE_OFF,
FUSE_ACTIVE,
FUSE_COOLDOWN,
FUSE_RETRY
} fuse_state_t;
typedef struct {
fuse_state_t state;
uint8_t count;
uint16_t timer;
} fuse_t;
typedef struct {
uint16_t cooldown_time;
uint16_t retry_time;
} fuse_cfg_t;
/**** Public function declarations ****/
void fuse_reset(fuse_t* fuse);
uint8_t fuse_process(fuse_t* fuse, uint8_t fault, fuse_cfg_t* cfg);
#ifdef TESTING
#endif
#endif /* FUSES_H_ */

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/**** Includes ****/
#include "utils.h"
/**** Private definitions ****/
/**** Private constants ****/
/**** Private variables ****/
/**** Private function declarations ****/
#ifndef TESTING
static uint8_t find_interval_end_index(uint16_t val, uint16_t* axis_values, uint8_t len_axis);
static uint16_t interpolate_u16b(uint16_t x, uint16_t x0, uint16_t x1, uint16_t y0, uint16_t y1);
static uint16_t index2d_to_index1d(uint8_t ix, uint8_t iy, uint8_t len_x);
#endif
/**** Public function definitions ****/
uint8_t util_invert_8b(uint8_t x)
{
if(x!=0) return 0;
else return 1;
}
uint8_t util_sat_add_8b(uint8_t x, uint8_t y)
{
uint8_t z = x + y;
// Check for overflow
if((z < x)||(z < y)) return 0xFF;
else return z;
}
uint8_t util_sat_subtract_8b(uint8_t x, uint8_t y)
{
uint8_t z = x - y;
// Check for underflow
if(z > x) return 0;
else return z;
}
uint16_t util_sat_add_16b(uint16_t x, uint16_t y)
{
uint16_t z = x + y;
// Check for overflow
if((z < x)||(z < y)) return 0xFFFF;
else return z;
}
uint16_t util_sat_subtract_16b(uint16_t x, uint16_t y)
{
uint16_t z = x - y;
// Check for underflow
if(z > x) return 0;
else return z;
}
uint16_t util_limit_u32b_to_u16b(uint32_t in)
{
if(in == 0) return 0;
else if(in >= 0x0000FFFF) return 0xFFFF;
else return (uint16_t)in;
}
uint16_t util_limit_s32b_to_u16b(int32_t in)
{
if(in <= 0) return 0;
else if(in >= 0x0000FFFF) return 0xFFFF;
else return (uint16_t)in;
}
uint16_t util_convert_muldivoff(uint16_t raw, uint8_t mul, uint8_t div, int16_t offset)
{
int32_t temp = (int32_t)raw;
temp = temp * mul;
if(div>1) temp /= div;
temp += offset;
return util_limit_s32b_to_u16b(temp);
}
uint16_t util_sat_mul_kilo(uint16_t xk, uint16_t yk)
{
uint32_t temp = (uint32_t)xk * (uint32_t)yk;
temp /= 1000;
return util_limit_u32b_to_u16b(temp);
}
uint16_t util_sat_div_kilo(uint16_t top, uint16_t bot)
{
//Sanity check bot
if(bot==0) return 0xFFFF; //aka infinity
uint32_t temp = (uint32_t)top * 1000;
temp /= (uint32_t)bot;
return util_limit_u32b_to_u16b(temp);
}
uint16_t util_sat_ratio_16b(uint16_t top, uint16_t bot)
{
//Sanity check bot
if(bot==0) return 0xFFFF; //aka infinity
//Easy option
if(top>=bot) return 0xFFFF;
uint32_t temp = (uint32_t)top * 0x0000FFFF;
temp /= (uint32_t)bot;
return util_limit_u32b_to_u16b(temp);
}
uint16_t util_percent_to_16b(uint8_t percent)
{
uint32_t temp = (uint32_t)percent * 0x0000FFFF;
temp /= 100;
// Limit to 16 bits
uint16_t pwm = util_limit_u32b_to_u16b(temp);
return pwm;
}
uint16_t util_interpolate_1d_u16b(uint16_t x, uint16_t* x_axis, uint16_t* y_values, uint8_t len_axis)
{
// validate axis length
if(len_axis==0) return 0; // Empty data set
if(len_axis==1) return y_values[0]; // Only one data point
uint16_t y;
uint8_t i = find_interval_end_index(x, x_axis, len_axis);
if(i==0)
{
//Less then start
y = y_values[0];
}
else if(i==len_axis)
{
//More than end
y = y_values[len_axis-1];
}
else
{
// Do interpolate
y = interpolate_u16b(x, x_axis[i-1], x_axis[i], y_values[i-1], y_values[i]);
}
return y;
}
uint16_t util_interpolate_2d_u16b(uint16_t x, uint16_t y, uint16_t* x_axis, uint8_t len_x_axis, uint16_t* y_axis, uint8_t len_y_axis, uint16_t* z_values)
{
// validate axis length
if((len_x_axis==0)&&(len_y_axis==0)) return 0; // Empty data set
if((len_x_axis==1)&&(len_y_axis==1)) return z_values[0]; // Only one data point
uint8_t ix = find_interval_end_index(x, x_axis, len_x_axis);
uint8_t iy = find_interval_end_index(y, y_axis, len_y_axis);
// Check corners - easy answers
if((ix==0)&&(iy==0))
{
return z_values[0]; //[0][0] [Y][X]
}
else if((ix==len_x_axis)&&(iy==0))
{
return z_values[len_x_axis-1]; //[0][end]
}
else if((ix==0)&&(iy==len_y_axis))
{
uint16_t i = index2d_to_index1d(0, len_y_axis-1, len_x_axis);
return z_values[i]; //[end][0]
}
else if((ix==len_x_axis)&&(iy==len_y_axis))
{
uint16_t i = index2d_to_index1d(len_x_axis-1, len_y_axis-1, len_x_axis);
return z_values[i]; //[end][end]
};
// Check boundaries - 1D interpolation
if(ix==0)
{
// On ix=0 line
uint16_t i = 0;
uint16_t z0 = z_values[i];
i = index2d_to_index1d(0, len_y_axis-1, len_x_axis);
uint16_t z1 = z_values[i];
return interpolate_u16b(y, y_axis[0], y_axis[len_y_axis-1], z0, z1);
}
else if(ix==len_x_axis)
{
// On ix=END line
uint16_t i = len_x_axis-1;
uint16_t z0 = z_values[i];
i = index2d_to_index1d(len_x_axis-1, len_y_axis-1, len_x_axis);
uint16_t z1 = z_values[i];
return interpolate_u16b(y, y_axis[0], y_axis[len_y_axis-1], z0, z1);
}
else if(iy==0)
{
// On iy=0 line
uint16_t i = 0;
uint16_t z0 = z_values[i];
i = len_x_axis-1;
uint16_t z1 = z_values[i];
return interpolate_u16b(x, x_axis[0], x_axis[len_x_axis-1], z0, z1);
}
else if(iy==len_y_axis)
{
// On iy=END line
uint16_t i = index2d_to_index1d(0, len_y_axis-1, len_x_axis);
uint16_t z0 = z_values[i];
i = index2d_to_index1d(len_x_axis-1, len_y_axis-1, len_x_axis);
uint16_t z1 = z_values[i];
return interpolate_u16b(x, x_axis[0], x_axis[len_x_axis-1], z0, z1);
}
// Do interpolation
// Get axis values
uint16_t x0 = x_axis[ix-1];
uint16_t x1 = x_axis[ix];
uint16_t y0 = y_axis[iy-1];
uint16_t y1 = y_axis[iy];
// Do y0 line calculation
// Get z values at x0 and x1 points on y0 line
uint16_t i = index2d_to_index1d(ix-1, iy-1, len_x_axis);
uint16_t z0 = z_values[i];
uint16_t z1 = z_values[i+1];
// Interpolate z value on y0 line
uint16_t zy0 = interpolate_u16b(x, x0, x1, z0, z1);
// Do y1 line calculation
// Get z values at x0 and x1 points on y1 line
i = index2d_to_index1d(ix-1, iy, len_x_axis);
z0 = z_values[i];
z1 = z_values[i+1];
// Interpolate z value on y0 line
uint16_t zy1 = interpolate_u16b(x, x0, x1, z0, z1);
// Do calculation in y axis on xz line
return interpolate_u16b(y, y0, y1, zy0, zy1);
}
/**** Private function definitions ****/
static uint16_t interpolate_u16b(uint16_t x, uint16_t x0, uint16_t x1, uint16_t y0, uint16_t y1)
{
int32_t dy = (int32_t)y1 - (int32_t)y0;
int32_t dx = (int32_t)x1 - (int32_t)x0;
int32_t d = (int32_t)x - (int32_t)x0;
int32_t y = dy * d;
y /= dx;
y += y0;
return util_limit_s32b_to_u16b(y);
}
static uint8_t find_interval_end_index(uint16_t val, uint16_t* axis_values, uint8_t len_axis)
{
for(uint8_t i=0; i<len_axis; i++)
{
if(val < axis_values[i]) return i;
continue;
}
return len_axis;
}
static uint16_t index2d_to_index1d(uint8_t ix, uint8_t iy, uint8_t len_x)
{
return ((uint16_t)len_x * iy) + ix;
}

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#ifndef UTILS_H_
#define UTILS_H_
/**** Includes ****/
#include <stdint.h>
/**** Public definitions ****/
/**** Public function declarations ****/
uint8_t util_invert_8b(uint8_t x);
uint16_t util_limit_u32b_to_u16b(uint32_t in);
uint16_t util_limit_s32b_to_u16b(int32_t in);
uint16_t util_convert_muldivoff(uint16_t raw, uint8_t mul, uint8_t div, int16_t offset);
uint16_t util_sat_mul_kilo(uint16_t xk, uint16_t yk);
uint16_t util_sat_div_kilo(uint16_t top, uint16_t bot);
uint16_t util_sat_ratio_16b(uint16_t top, uint16_t bot);
uint16_t util_percent_to_16b(uint8_t percent);
uint8_t util_sat_add_8b(uint8_t x, uint8_t y);
uint8_t util_sat_subtract_8b(uint8_t x, uint8_t y);
uint16_t util_sat_add_16b(uint16_t x, uint16_t y);
uint16_t util_sat_subtract_16b(uint16_t x, uint16_t y);
uint16_t util_interpolate_1d_u16b(uint16_t x, uint16_t* x_axis, uint16_t* y_values, uint8_t len_axis);
uint16_t util_interpolate_2d_u16b(uint16_t x, uint16_t y, uint16_t* x_axis, uint8_t len_x_axis, uint16_t* y_axis, uint8_t len_y_axis, uint16_t* z_values);
#ifdef TESTING
// Access to private functions for unit testing
static uint8_t find_interval_end_index(uint16_t val, uint16_t* axis_values, uint8_t len_axis);
static uint16_t interpolate_u16b(uint16_t x, uint16_t x0, uint16_t x1, uint16_t y0, uint16_t y1);
static uint16_t index2d_to_index1d(uint8_t ix, uint8_t iy, uint8_t len_x);
#endif
#endif /* UTILS_H_ */