#include "system_LPC17xx.h"
#include "LPC17xx.h"
#include "utils.h"
-using namespace std;
+
#include <string>
-using std::string;
#include <cstring>
#include <stdio.h>
+#include <cstdlib>
-volatile bool _isr_context = false;
+#include "mbed.h"
+
+using std::string;
-uint16_t get_checksum(const string& to_check){
+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;
+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){
- const string k = key+" ";
+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()-1 && counter < 3 ){
- const size_t end_key = k.find_first_of(" .", begin_key);
- const string key_node = k.substr(begin_key, end_key - begin_key);
+ 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++;
}
}
// Convert to lowercase
-string lc(string str){
- for (unsigned 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 remove_non_number( string str )
+{
string number_mask = "0123456789-.abcdefpxABCDEFPX";
- size_t found=str.find_first_not_of(number_mask);
- while (found!=string::npos){
+ 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( const string& possible_command )
+{
size_t beginning = possible_command.find_first_of(" ");
- if( beginning == string::npos ){ return ""; }
+ 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 file_exists( const string file_name )
+{
bool exists = false;
FILE *lp = fopen(file_name.c_str(), "r");
- if(lp){ exists = true; }
+ if(lp) {
+ exists = true;
+ }
fclose(lp);
return exists;
}
// Prepares and executes a watchdog reset for dfu or reboot
-void system_reset( bool dfu ){
+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->WDMOD = 0x3; // Enabled and Reset
LPC_WDT->WDFEED = 0xAA; // Kick the dog!
LPC_WDT->WDFEED = 0x55;
- }else{
+ } else {
NVIC_SystemReset();
}
}
return path;
}
- string match = "../" ;
- while ( path.substr(0,3) == match ) {
+ while ( path.substr(0, 3) == "../" ) {
path = path.substr(3);
unsigned found = cwd.find_last_of("/");
- cwd = cwd.substr(0,found);
+ cwd = cwd.substr(0, found);
}
- match = ".." ;
- if ( path.substr(0,2) == match ) {
+ if ( path.substr(0, 2) == ".." ) {
path = path.substr(2);
unsigned found = cwd.find_last_of("/");
- cwd = cwd.substr(0,found);
+ cwd = cwd.substr(0, found);
}
if ( cwd[cwd.length() - 1] == '/' ) {
- return cwd + path;
+ return cwd + path;
}
return cwd + '/' + path;
}
+
+// 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;
+}
+
+vector<uint32_t> parse_number_list(const char *str, uint8_t radix)
+{
+ vector<string> l= split(str, ',');
+ vector<uint32_t> r;
+ for(auto& s : l){
+ uint32_t x = strtol(s.c_str(), nullptr, radix);
+ r.push_back(x);
+ }
+ return r;
+}
+
+int append_parameters(char *buf, std::vector<std::pair<char,float>> params, size_t bufsize)
+{
+ size_t n= 0;
+ for(auto &i : params) {
+ if(n >= bufsize) break;
+ buf[n++]= i.first;
+ n += snprintf(&buf[n], bufsize-n, "%1.4f ", i.second);
+ }
+ return n;
+}
+
+string wcs2gcode(int wcs) {
+ string str= "G5";
+ str.append(1, std::min(wcs, 5) + '4');
+ if(wcs >= 6) {
+ str.append(".").append(1, '1' + (wcs - 6));
+ }
+ return str;
+}
+
+void safe_delay_ms(uint32_t delay)
+{
+ safe_delay_us(delay*1000);
+}
+
+void safe_delay_us(uint32_t dus)
+{
+ uint32_t start = us_ticker_read();
+ while ((us_ticker_read() - start) < dus) {
+ THEKERNEL->call_event(ON_IDLE);
+ }
+}
HCoop / clinton / Smoothieware.git / blobdiff