-/*
+/*
This file is part of Smoothie (http://smoothieware.org/). The motion control part is heavily based on Grbl (https://github.com/simen/grbl).
Smoothie 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 3 of the License, or (at your option) any later version.
Smoothie 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 Smoothie. If not, see <http://www.gnu.org/licenses/>.
+ You should have received a copy of the GNU General Public License along with Smoothie. If not, see <http://www.gnu.org/licenses/>.
*/
#include "libs/Kernel.h"
#include "libs/utils.h"
#include "system_LPC17xx.h"
-using namespace std;
+#include "LPC17xx.h"
+#include "utils.h"
+
#include <string>
-using std::string;
#include <cstring>
+#include <stdio.h>
+#include <cstdlib>
+#include <sstream>
+
+using std::string;
+
+uint16_t get_checksum(const string &to_check)
+{
+ return get_checksum(to_check.c_str());
+}
+
+uint16_t get_checksum(const char *to_check)
+{
+ // From: http://en.wikipedia.org/wiki/Fletcher%27s_checksum
+ uint16_t sum1 = 0;
+ uint16_t sum2 = 0;
+ const char *p = to_check;
+ char c;
+ while((c = *p++) != 0) {
+ sum1 = (sum1 + c) % 255;
+ sum2 = (sum2 + sum1) % 255;
+ }
+ return (sum2 << 8) | sum1;
+}
+
+void get_checksums(uint16_t check_sums[], const string &key)
+{
+ check_sums[0] = 0x0000;
+ check_sums[1] = 0x0000;
+ check_sums[2] = 0x0000;
+ size_t begin_key = 0;
+ unsigned int counter = 0;
+ while( begin_key < key.size() && counter < 3 ) {
+ size_t end_key = key.find_first_of(".", begin_key);
+ string key_node;
+ if(end_key == string::npos) {
+ key_node = key.substr(begin_key);
+ } else {
+ key_node = key.substr(begin_key, end_key - begin_key);
+ }
+
+ check_sums[counter] = get_checksum(key_node);
+ if(end_key == string::npos) break;
+ begin_key = end_key + 1;
+ counter++;
+ }
+}
+bool is_alpha(int c)
+{
+ if ((c >= 'a') && (c <= 'z')) return true;
+ if ((c >= 'A') && (c <= 'Z')) return true;
+ if ((c == '_')) return true;
+ return false;
+}
+
+bool is_digit(int c)
+{
+ if ((c >= '0') && (c <= '9')) return true;
+ return false;
+}
+
+bool is_numeric(int c)
+{
+ if (is_digit(c)) return true;
+ if ((c == '.') || (c == '-')) return true;
+ if ((c == 'e')) return true;
+ return false;
+}
+
+bool is_alphanum(int c)
+{
+ return is_alpha(c) || is_numeric(c);
+}
-uint16_t get_checksum(string to_check){
- // From: http://en.wikipedia.org/wiki/Fletcher%27s_checksum
- uint16_t sum1 = 0;
- uint16_t sum2 = 0;
- for( int index = 0; index < to_check.length(); ++index ){
- sum1 = (sum1 + to_check[index]) % 255;
- sum2 = (sum2 + sum1) % 255;
- }
- return (sum2 << 8) | sum1;
+bool is_whitespace(int c)
+{
+ if ((c == ' ') || (c == '\t')) return true;
+ return false;
}
// Convert to lowercase
-string lc(string str){
- for (int i=0;i<strlen(str.c_str());i++)
- if (str[i] >= 0x41 && str[i] <= 0x5A)
- str[i] = str[i] + 0x20;
- return str;
+string lc(const string &str)
+{
+ string lcstr;
+ for (auto c : str) {
+ lcstr.append(1, ::tolower(c));
+ }
+ return lcstr;
}
// Remove non-number characters
-string remove_non_number( string str ){
- string number_mask = "0123456789-.";
- size_t found=str.find_first_not_of(number_mask);
- while (found!=string::npos){
+string remove_non_number( string str )
+{
+ string number_mask = "0123456789-.abcdefpxABCDEFPX";
+ size_t found = str.find_first_not_of(number_mask);
+ while (found != string::npos) {
//str[found]='*';
- str.replace(found,1,"");
- found=str.find_first_not_of(number_mask);
+ str.replace(found, 1, "");
+ found = str.find_first_not_of(number_mask);
}
return str;
}
// Get the first parameter, and remove it from the original string
-string shift_parameter( string ¶meters ){
+string shift_parameter( string ¶meters )
+{
size_t beginning = parameters.find_first_of(" ");
- if( beginning == string::npos ){ string temp = parameters; parameters = ""; return temp; }
+ if( beginning == string::npos ) {
+ string temp = parameters;
+ parameters = "";
+ return temp;
+ }
string temp = parameters.substr( 0, beginning );
- parameters = parameters.substr(beginning+1, parameters.size());
+ parameters = parameters.substr(beginning + 1, parameters.size());
return temp;
}
// Separate command from arguments
-string get_arguments( string possible_command ){
+string get_arguments( string possible_command )
+{
size_t beginning = possible_command.find_first_of(" ");
- if( beginning == string::npos ){ return ""; }
- return possible_command.substr( beginning+1, possible_command.size() - beginning);
+ if( beginning == string::npos ) {
+ return "";
+ }
+ return possible_command.substr( beginning + 1, possible_command.size() - beginning + 1);
+}
+
+// Returns true if the file exists
+bool file_exists( const string file_name )
+{
+ bool exists = false;
+ FILE *lp = fopen(file_name.c_str(), "r");
+ if(lp) {
+ exists = true;
+ }
+ fclose(lp);
+ return exists;
+}
+
+// Prepares and executes a watchdog reset for dfu or reboot
+void system_reset( bool dfu )
+{
+ if(dfu) {
+ LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK
+ uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4
+ LPC_WDT->WDTC = 1 * (float)clk; // Reset in 1 second
+ LPC_WDT->WDMOD = 0x3; // Enabled and Reset
+ LPC_WDT->WDFEED = 0xAA; // Kick the dog!
+ LPC_WDT->WDFEED = 0x55;
+ } else {
+ NVIC_SystemReset();
+ }
+}
+
+// Convert a path indication ( absolute or relative ) into a path ( absolute )
+// TODO: Combine with plan9 absolute_path, current_path as argument?
+string absolute_from_relative( string path )
+{
+ string cwd = THEKERNEL->current_path;
+
+ if ( path.empty() ) {
+ return THEKERNEL->current_path;
+ }
+
+ if ( path[0] == '/' ) {
+ return path;
+ }
+
+ while ( path.substr(0, 3) == "../" ) {
+ path = path.substr(3);
+ unsigned found = cwd.find_last_of("/");
+ cwd = cwd.substr(0, found);
+ }
+
+ if ( path.substr(0, 2) == ".." ) {
+ path = path.substr(2);
+ unsigned found = cwd.find_last_of("/");
+ cwd = cwd.substr(0, found);
+ }
+
+ if ( cwd[cwd.length() - 1] == '/' ) {
+ return cwd + path;
+ }
+
+ return cwd + '/' + path;
}
-// Prepares and executes a watchdog reset
-void system_reset( void ){
- LPC_WDT->WDCLKSEL = 0x1; // Set CLK src to PCLK
- uint32_t clk = SystemCoreClock / 16; // WD has a fixed /4 prescaler, PCLK default is /4
- LPC_WDT->WDTC = 1 * (float)clk; // Reset in 1 second
- LPC_WDT->WDMOD = 0x3; // Enabled and Reset
- LPC_WDT->WDFEED = 0xAA; // Kick the dog!
- LPC_WDT->WDFEED = 0x55;
+// FIXME this does not handle empty strings correctly
+//split a string on a delimiter, return a vector of the split tokens
+vector<string> split(const char *str, char c)
+{
+ vector<string> result;
+
+ do {
+ const char *begin = str;
+
+ while(*str != c && *str)
+ str++;
+
+ result.push_back(string(begin, str));
+ } while (0 != *str++);
+
+ return result;
+}
+
+// FIXME this does not handle empty strings correctly
+// parse a number list "1.1,2.2,3.3" and return the numbers in a vector of floats
+vector<float> parse_number_list(const char *str)
+{
+ vector<string> l= split(str, ',');
+ vector<float> r;
+ for(auto& s : l) {
+ float x = strtof(s.c_str(), nullptr);
+ r.push_back(x);
+ }
+ return r;
}
+std::string append_parameters(std::map<char,float> params)
+{
+ std::ostringstream oss;
+ for(auto &i : params) {
+ oss << i.first << i.second << " ";
+ }
+ return oss.str();
+}
HCoop / clinton / Smoothieware.git / blobdiff