mirror of
https://github.com/nippur72/apple1-videocard-lib.git
synced 2025-01-01 16:31:43 +00:00
fix $ bug, use byte data type
This commit is contained in:
nino-porcino
parent
b3abf7f2cd
commit
1ae7ed5ac5
@ -56,7 +56,6 @@ SdFat SD;
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#define SD_CS_PIN SS
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// pin definitions
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#define BIT0 2
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@ -74,9 +73,9 @@ SdFat SD;
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#define CPU_STROBE 15
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// indicates that a timeout occurred during wait_cpu_strobe()
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int TIMEOUT = 0;
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byte TIMEOUT = 0;
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void wait_cpu_strobe(int value) {
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void wait_cpu_strobe(byte value) {
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unsigned long start_time = millis();
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unsigned long elapsed;
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@ -92,12 +91,12 @@ void wait_cpu_strobe(int value) {
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}
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}
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const int DIR_INPUT = 0;
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const int DIR_OUTPUT = 1;
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const byte DIR_INPUT = 0;
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const byte DIR_OUTPUT = 1;
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int last_dir; // remember last data port pins direction
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byte last_dir; // remember last data port pins direction
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void set_data_port_direction(int dir) {
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void set_data_port_direction(byte dir) {
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// check if no need to set pins
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if(dir == last_dir) return;
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@ -127,7 +126,7 @@ void set_data_port_direction(int dir) {
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last_dir = dir;
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}
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int receive_byte_from_cpu() {
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byte receive_byte_from_cpu() {
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// set data port pins as INPUT pins
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set_data_port_direction(DIR_INPUT);
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@ -139,9 +138,9 @@ int receive_byte_from_cpu() {
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// read the data byte
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#ifdef FASTWRITE
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int data = ((PORTB & 0x03)<<6) | (PORTD >> 2); // data = { PORTB[1:0], PORTD[7:2] }
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byte data = ((PORTB & 0x03)<<6) | (PORTD >> 2); // data = { PORTB[1:0], PORTD[7:2] }
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#else
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int data =
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byte data =
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(digitalRead(BIT0) << 0) |
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(digitalRead(BIT1) << 1) |
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(digitalRead(BIT2) << 2) |
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@ -164,7 +163,7 @@ int receive_byte_from_cpu() {
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return data;
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}
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void send_byte_to_cpu(int data) {
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void send_byte_to_cpu(byte data) {
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// set data port pins as OUTPUT pins
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set_data_port_direction(DIR_OUTPUT);
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@ -208,24 +207,25 @@ void send_byte_to_cpu(int data) {
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// *********************************************************************************************
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// *********************************************************************************************
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const int CMD_READ = 0;
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const int CMD_WRITE = 1;
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const int CMD_DIR = 2;
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const int CMD_LOAD = 4;
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const int CMD_DEL = 11;
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const int CMD_LS = 12;
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const int CMD_CD = 13;
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const int CMD_MKDIR = 14;
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const int CMD_PWD = 19;
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const int CMD_RMDIR = 15;
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const int CMD_TEST = 20;
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const byte CMD_READ = 0;
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const byte CMD_WRITE = 1;
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const byte CMD_DIR = 2;
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const byte CMD_LOAD = 4;
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const byte CMD_DEL = 11;
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const byte CMD_LS = 12;
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const byte CMD_CD = 13;
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const byte CMD_MKDIR = 14;
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const byte CMD_PWD = 19;
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const byte CMD_RMDIR = 15;
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const byte CMD_TEST = 20;
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const int ERR_RESPONSE = 255;
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const int WAIT_RESPONSE = 1;
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const int OK_RESPONSE = 0;
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const byte ERR_RESPONSE = 255;
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const byte WAIT_RESPONSE = 1;
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const byte OK_RESPONSE = 0;
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// @buffer
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char filename[64];
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char tmp[64];
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char tmp[32];
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char cd_path[64];
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// fixed messages
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@ -289,8 +289,8 @@ void setup() {
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// **************************************************************************************
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// **************************************************************************************
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int list_files;
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void comando_dir(int command) {
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byte list_files;
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void comando_dir(byte command) {
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Serial.println(F("command DIR received from CPU"));
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// reads filename as 0 terminated string
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@ -319,7 +319,7 @@ void comando_dir(int command) {
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list_files = 0; // starts listing dirs (0) then files (1)
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while(true) {
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int c = receive_byte_from_cpu();
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byte c = receive_byte_from_cpu();
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if(TIMEOUT) {
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Serial.println(F("timeout while receiving 'next line' byte"));
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break;
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@ -340,7 +340,7 @@ void comando_dir(int command) {
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myDir.close();
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}
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int send_next_dir_line(int command) {
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byte send_next_dir_line(byte command) {
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// user wants a new line of dir listing
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while(1) {
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@ -371,7 +371,7 @@ int send_next_dir_line(int command) {
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return 1; // more lines to send
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}
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void send_directory_entry(int command) {
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void send_directory_entry(byte command) {
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myFile.getName(filename, 64);
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strtoupper(filename);
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@ -412,11 +412,11 @@ void send_directory_entry(int command) {
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if(x != NULL) {
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*x++ = 0;
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if(x[0]=='0' && x[1]=='6') {
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strcpy(type,"BIN $");
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strcpy(type,"BIN ");
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strcpy(address,x+2);
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}
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else if(x[0]=='F' && x[1]=='1') {
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strcpy(type,"BAS $");
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strcpy(type,"BAS ");
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strcpy(address,x+2);
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}
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else {
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@ -434,8 +434,12 @@ void send_directory_entry(int command) {
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print_string_to_cpu(type);
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Serial.print(type);
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print_string_to_cpu(address);
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if(type[0]!=0) {
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send_byte_to_cpu('$');
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Serial.print("$");
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}
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print_string_to_cpu(address);
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Serial.println(address);
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send_byte_to_cpu('\r');
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@ -505,7 +509,7 @@ void comando_read() {
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void send_string_to_cpu(char *msg) {
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while(1) {
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int c = *msg++;
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byte c = *msg++;
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send_byte_to_cpu(c);
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if(TIMEOUT) break;
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if(c==0) break;
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@ -515,7 +519,7 @@ void send_string_to_cpu(char *msg) {
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// come send_string_to_cpu ma senza lo zero finale
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void print_string_to_cpu(char *msg) {
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while(1) {
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int c = *msg++;
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byte c = *msg++;
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if(c==0) break;
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send_byte_to_cpu(c);
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if(TIMEOUT) break;
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@ -525,7 +529,7 @@ void print_string_to_cpu(char *msg) {
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void receive_string_from_cpu(char *msg) {
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while(1) {
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int c = receive_byte_from_cpu();
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byte c = receive_byte_from_cpu();
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if(TIMEOUT) break;
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*msg++ = c;
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if(c==0) break;
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@ -539,8 +543,8 @@ void receive_string_from_cpu(char *msg) {
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// **************************************************************************************
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int receive_word_from_cpu() {
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int lo = receive_byte_from_cpu();
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int hi = receive_byte_from_cpu();
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byte lo = receive_byte_from_cpu();
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byte hi = receive_byte_from_cpu();
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int data = lo | (hi << 8);
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return data;
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}
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@ -582,9 +586,9 @@ void comando_write() {
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Serial.print(F("received file size: "));
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Serial.println(size);
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int error = 0;
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byte error = 0;
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for(int t=0;t<size;t++) {
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int data = receive_byte_from_cpu();
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byte data = receive_byte_from_cpu();
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if(TIMEOUT) break;
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int n = myFile.write((unsigned char)data);
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if(n!=1) error = 1;
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@ -692,8 +696,9 @@ void strtoupper(char *str){
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// "pluto" => "", "pluto"
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// "/pluto" => "/", "pluto"
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// @buffer
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char file_path[64];
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char file_name[64];
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char file_name[32];
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void split_path(char *filename) {
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strcpy(file_path, filename);
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@ -715,7 +720,7 @@ void split_path(char *filename) {
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// returns 1 if matching file is found
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// returns 0 if no matching file is found
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//
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int matchname(char *filename, char *dest) {
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byte matchname(char *filename, char *dest) {
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// split filename into file_path and file_name
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split_path(filename);
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@ -735,7 +740,7 @@ int matchname(char *filename, char *dest) {
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Serial.println(F("dir opened"));
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// scans twice: scanmode=0 for exact match, scanmode=1 for partial match
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for(int scanmode=0;scanmode<=1;scanmode++) {
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for(byte scanmode=0;scanmode<=1;scanmode++) {
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if(scanmode==0) Serial.println(F("scanning for exact match..."));
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if(scanmode==1) Serial.println(F("scanning for partial match..."));
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@ -949,7 +954,7 @@ void comando_cd() {
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if(filename[0] == '.' && filename[1] == '.' && filename[2] == 0) {
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strcpy(filename, cd_path);
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for(int t=strlen(filename)-1;t>=1;t--) {
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int c = filename[t];
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byte c = filename[t];
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filename[t] = 0;
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if(c == '/') break;
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}
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@ -1041,7 +1046,7 @@ void comando_pwd() {
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void loop() {
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TIMEOUT = 0;
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int data = receive_byte_from_cpu();
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byte data = receive_byte_from_cpu();
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if(TIMEOUT) return;
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unsigned long start_time = millis();
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@ -1058,7 +1063,7 @@ void loop() {
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else if(data == CMD_LS) comando_dir(data);
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else if(data == CMD_TEST) {
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while(!TIMEOUT) {
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int data = receive_byte_from_cpu();
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byte data = receive_byte_from_cpu();
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send_byte_to_cpu(data ^ 0xFF);
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}
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}
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