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PrusaSlicer-NonPlainar/src/avrdude/pindefs.c
bubnikv 0558b53493 WIP: Moved sources int src/, separated most of the source code from Perl. 
The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.
2018-09-19 11:02:24 +02:00

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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2000-2004 Brian S. Dean <bsd@bsdhome.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* $Id: pindefs.h 1132 2013-01-09 19:23:30Z rliebscher $ */
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "avrdude.h"
#include "libavrdude.h"
/**
* Adds a pin in the pin definition as normal or inverse pin.
*
* @param[out] pindef pin definition to update
* @param[in] pin number of pin [0..PIN_MAX]
* @param[in] inverse inverse (true) or normal (false) pin
*/
void pin_set_value(struct pindef_t * const pindef, const int pin, const bool inverse) {
pindef->mask[pin / PIN_FIELD_ELEMENT_SIZE] |= 1 << (pin % PIN_FIELD_ELEMENT_SIZE);
if(inverse) {
pindef->inverse[pin / PIN_FIELD_ELEMENT_SIZE] |= (1 << (pin % PIN_FIELD_ELEMENT_SIZE));
} else {
pindef->inverse[pin / PIN_FIELD_ELEMENT_SIZE] &= ~(1 << (pin % PIN_FIELD_ELEMENT_SIZE));
}
}
/**
* Clear all defined pins in pindef.
*
* @param[out] pindef pin definition to clear
*/
void pin_clear_all(struct pindef_t * const pindef) {
memset(pindef, 0, sizeof(struct pindef_t));
}
/**
* Convert new pin definition to old pin number
*
* @param[in] pindef new pin definition structure
* @param[out] pinno old pin definition integer
*/
static int pin_fill_old_pinno(const struct pindef_t * const pindef, unsigned int * const pinno) {
bool found = false;
int i;
for(i = 0; i < PIN_MAX; i++) {
if(pindef->mask[i / PIN_FIELD_ELEMENT_SIZE] & (1 << (i % PIN_FIELD_ELEMENT_SIZE))) {
if(found) {
avrdude_message(MSG_INFO, "Multiple pins found\n"); //TODO
return -1;
}
found = true;
*pinno = i;
if(pindef->inverse[i / PIN_FIELD_ELEMENT_SIZE] & (1 << (i % PIN_FIELD_ELEMENT_SIZE))) {
*pinno |= PIN_INVERSE;
}
}
}
return 0;
}
/**
* Convert new pin definition to old pinlist, does not support mixed inverted/non-inverted pin
*
* @param[in] pindef new pin definition structure
* @param[out] pinno old pin definition integer
*/
static int pin_fill_old_pinlist(const struct pindef_t * const pindef, unsigned int * const pinno) {
int i;
for(i = 0; i < PIN_FIELD_SIZE; i++) {
if(i == 0) {
if((pindef->mask[i] & ~PIN_MASK) != 0) {
avrdude_message(MSG_INFO, "Pins of higher index than max field size for old pinno found\n");
return -1;
}
if (pindef->mask[i] == 0) {
/* this pin function is not using any pins */
*pinno = 0;
} else if(pindef->mask[i] == pindef->inverse[i]) { /* all set bits in mask are set in inverse */
*pinno = pindef->mask[i];
*pinno |= PIN_INVERSE;
} else if(pindef->mask[i] == ((~pindef->inverse[i]) & pindef->mask[i])) { /* all set bits in mask are cleared in inverse */
*pinno = pindef->mask[i];
} else {
avrdude_message(MSG_INFO, "pins have different polarity set\n");
return -1;
}
} else if(pindef->mask[i] != 0) {
avrdude_message(MSG_INFO, "Pins have higher number than fit in old format\n");
return -1;
}
}
return 0;
}
/**
* Convert for given programmer new pin definitions to old pin definitions.
*
* @param[inout] pgm programmer whose pins shall be converted.
*/
int pgm_fill_old_pins(struct programmer_t * const pgm) {
if (pin_fill_old_pinlist(&(pgm->pin[PPI_AVR_VCC]), &(pgm->pinno[PPI_AVR_VCC])) < 0)
return -1;
if (pin_fill_old_pinlist(&(pgm->pin[PPI_AVR_BUFF]), &(pgm->pinno[PPI_AVR_BUFF])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_AVR_RESET]), &(pgm->pinno[PIN_AVR_RESET])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_AVR_SCK]), &(pgm->pinno[PIN_AVR_SCK])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_AVR_MOSI]), &(pgm->pinno[PIN_AVR_MOSI])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_AVR_MISO]), &(pgm->pinno[PIN_AVR_MISO])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_LED_ERR]), &(pgm->pinno[PIN_LED_ERR])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_LED_RDY]), &(pgm->pinno[PIN_LED_RDY])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_LED_PGM]), &(pgm->pinno[PIN_LED_PGM])) < 0)
return -1;
if (pin_fill_old_pinno(&(pgm->pin[PIN_LED_VFY]), &(pgm->pinno[PIN_LED_VFY])) < 0)
return -1;
return 0;
}
/**
* This function returns a string representation of pins in the mask eg. 1,3,5-7,9,12
* Another execution of this function will overwrite the previous result in the static buffer.
* Consecutive pin number are representated as start-end.
*
* @param[in] pinmask the pin mask for which we want the string representation
* @returns pointer to a static string.
*/
const char * pinmask_to_str(const pinmask_t * const pinmask) {
static char buf[(PIN_MAX + 1) * 5]; // should be enough for PIN_MAX=255
char *p = buf;
int n;
int pin;
const char * fmt;
int start = -1;
int end = -1;
buf[0] = 0;
for(pin = PIN_MIN; pin <= PIN_MAX; pin++) {
int index = pin / PIN_FIELD_ELEMENT_SIZE;
int bit = pin % PIN_FIELD_ELEMENT_SIZE;
if(pinmask[index] & (1 << bit)) {
bool output = false;
if(start == -1) {
output = true;
start = pin;
end = start;
} else if(pin == end + 1) {
end = pin;
} else {
if(start != end) {
n = sprintf(p, "-%d", end);
p += n;
}
output = true;
start = pin;
end = start;
}
if(output) {
fmt = (buf[0] == 0) ? "%d" : ",%d";
n = sprintf(p, fmt, pin);
p += n;
}
}
}
if(start != end) {
n = sprintf(p, "-%d", end);
p += n;
}
if(buf[0] == 0)
return "(no pins)";
return buf;
}
/**
* This function checks all pin of pgm against the constraints given in the checklist.
* It checks if
* @li any invalid pins are used
* @li valid pins are used inverted when not allowed
* @li any pins are used by more than one function
* @li any mandatory pin is not set all.
*
* In case of any error it report the wrong function and the pin numbers.
* For verbose >= 2 it also reports the possible correct values.
* For verbose >=3 it shows also which pins were ok.
*
* @param[in] pgm the programmer to check
* @param[in] checklist the constraint for the pins
* @param[in] size the number of entries in checklist
* @returns 0 if all pin definitions are valid, -1 otherwise
*/
int pins_check(const struct programmer_t * const pgm, const struct pin_checklist_t * const checklist, const int size, bool output) {
static const struct pindef_t no_valid_pins = {{0}, {0}}; // default value if check list does not contain anything else
int rv = 0; // return value
int pinname; // loop counter through pinnames
pinmask_t already_used_all[PIN_FIELD_SIZE] = {0}; // collect pin definitions of all pin names for check of double use
// loop over all possible pinnames
for(pinname = 0; pinname < N_PINS; pinname++) {
bool used = false;
bool invalid = false;
bool inverse = false;
int index;
int segment;
bool mandatory_used = false;
pinmask_t invalid_used[PIN_FIELD_SIZE] = {0};
pinmask_t inverse_used[PIN_FIELD_SIZE] = {0};
pinmask_t already_used[PIN_FIELD_SIZE] = {0};
const struct pindef_t * valid_pins = &no_valid_pins;
bool is_mandatory = false;
bool is_ok = true;
//find corresponding check pattern
for(index = 0; index < size; index++) {
if(checklist[index].pinname == pinname) {
valid_pins = checklist[index].valid_pins;
is_mandatory = checklist[index].mandatory;
break;
}
}
for(segment = 0; segment < PIN_FIELD_SIZE; segment++) {
// check if for mandatory any pin is defined
invalid_used[segment] = pgm->pin[pinname].mask[segment] & ~valid_pins->mask[segment];
if(is_mandatory && (0 != (pgm->pin[pinname].mask[segment] & valid_pins->mask[segment]))) {
mandatory_used = true;
}
// check if it does not use any non valid pins
invalid_used[segment] = pgm->pin[pinname].mask[segment] & ~valid_pins->mask[segment];
if(invalid_used[segment]) {
invalid = true;
}
// check if it does not use any valid pins as inverse if not allowed
inverse_used[segment] = pgm->pin[pinname].inverse[segment] & valid_pins->mask[segment] & ~valid_pins->inverse[segment];
if(inverse_used[segment]) {
inverse = true;
}
// check if it does not use same pins as other function
already_used[segment] = pgm->pin[pinname].mask[segment] & already_used_all[segment];
if(already_used[segment]) {
used = true;
}
already_used_all[segment] |= pgm->pin[pinname].mask[segment];
}
if(invalid) {
if(output) {
avrdude_message(MSG_INFO, "%s: %s: Following pins are not valid pins for this function: %s\n",
progname, avr_pin_name(pinname), pinmask_to_str(invalid_used));
avrdude_message(MSG_NOTICE2, "%s: %s: Valid pins for this function are: %s\n",
progname, avr_pin_name(pinname), pinmask_to_str(valid_pins->mask));
}
is_ok = false;
}
if(inverse) {
if(output) {
avrdude_message(MSG_INFO, "%s: %s: Following pins are not usable as inverse pins for this function: %s\n",
progname, avr_pin_name(pinname), pinmask_to_str(inverse_used));
avrdude_message(MSG_NOTICE2, "%s: %s: Valid inverse pins for this function are: %s\n",
progname, avr_pin_name(pinname), pinmask_to_str(valid_pins->inverse));
}
is_ok = false;
}
if(used) {
if(output) {
avrdude_message(MSG_INFO, "%s: %s: Following pins are set for other functions too: %s\n",
progname, avr_pin_name(pinname), pinmask_to_str(already_used));
is_ok = false;
}
}
if(!mandatory_used && is_mandatory && !invalid) {
if(output) {
avrdude_message(MSG_INFO, "%s: %s: Mandatory pin is not defined.\n",
progname, avr_pin_name(pinname));
}
is_ok = false;
}
if(!is_ok) {
rv = -1;
} else if(output) {
avrdude_message(MSG_DEBUG, "%s: %s: Pin is ok.\n",
progname, avr_pin_name(pinname));
}
}
return rv;
}
/**
* This function returns a string representation of defined pins eg. ~1,2,~4,~5,7
* Another execution of this function will overwrite the previous result in the static buffer.
*
* @param[in] pindef the pin definition for which we want the string representation
* @returns pointer to a static string.
*/
const char * pins_to_str(const struct pindef_t * const pindef) {
static char buf[(PIN_MAX + 1) * 5]; // should be enough for PIN_MAX=255
char *p = buf;
int n;
int pin;
const char * fmt;
buf[0] = 0;
for(pin = PIN_MIN; pin <= PIN_MAX; pin++) {
int index = pin / PIN_FIELD_ELEMENT_SIZE;
int bit = pin % PIN_FIELD_ELEMENT_SIZE;
if(pindef->mask[index] & (1 << bit)) {
if(pindef->inverse[index] & (1 << bit)) {
fmt = (buf[0] == 0) ? "~%d" : ",~%d";
} else {
fmt = (buf[0] == 0) ? " %d" : ",%d";
}
n = sprintf(p, fmt, pin);
p += n;
}
}
if(buf[0] == 0)
return " (not used)";
return buf;
}
/**
* Returns the name of the pin as string.
*
* @param pinname the pinname which we want as string.
* @returns a string with the pinname, or <unknown> if pinname is invalid.
*/
const char * avr_pin_name(int pinname) {
switch(pinname) {
case PPI_AVR_VCC : return "VCC";
case PPI_AVR_BUFF : return "BUFF";
case PIN_AVR_RESET : return "RESET";
case PIN_AVR_SCK : return "SCK";
case PIN_AVR_MOSI : return "MOSI";
case PIN_AVR_MISO : return "MISO";
case PIN_LED_ERR : return "ERRLED";
case PIN_LED_RDY : return "RDYLED";
case PIN_LED_PGM : return "PGMLED";
case PIN_LED_VFY : return "VFYLED";
default : return "<unknown>";
}
}
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