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author
Chuck Todd
committed
fixing spaces
Try to fix source layout of Wire Example eeprom_size.ino
1 parent 278d53c commit a5b33af

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+73
-73
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+73
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‎libraries/Wire/examples/eeprom_size/eeprom_size.ino

+73-73
Original file line numberDiff line numberDiff line change
@@ -23,18 +23,18 @@
2323
the memory cells. During this programming cycle, the IC does not respond
2424
to I2C requests. This feature 'NAK' polling is used to determine when
2525
the program cycle has completed.
26-
*/
26+
*/
2727
bool i2cReady(uint8_t ID){
2828
uint32_t timeout=millis();
2929
bool ready=false;
3030
while((millis()-timeout<100)&&(!ready)){
31-
Wire.beginTransmission(ID);
32-
int err=Wire.endTransmission();
33-
ready=(err==0);
34-
if(!ready){
35-
if(err!=2)Serial.printf("{%d}:%s",err,Wire.getErrorText(err));
36-
}
37-
}
31+
Wire.beginTransmission(ID);
32+
int err=Wire.endTransmission();
33+
ready=(err==0);
34+
if(!ready){
35+
if(err!=2)Serial.printf("{%d}:%s",err,Wire.getErrorText(err));
36+
}
37+
}
3838
return ready;
3939
}
4040

@@ -47,29 +47,29 @@ uint8_t ID=0x50,i;
4747
uint16_t size;
4848
char buf[256];
4949
while(ID<0x58){
50-
i=0;
51-
size = 0x1000; // Start at 4k, 16bit address devices,
52-
i += sprintf_P(&buf[i],PSTR("0x%02X: "),ID);
53-
if(i2cReady(ID)) { // EEPROM answered
54-
uint8_t zeroByte;
55-
Wire.beginTransmission(ID);
56-
Wire.write((uint8_t)0); // set address ptr to 0, two bytes High
57-
Wire.write((uint8_t)0); // set address ptr to 0, two bytes Low
58-
uint8_t err=Wire.endTransmission();
59-
if(err==0){// worked, device exists at this ID
60-
err=Wire.requestFrom(ID,(uint8_t)1);
61-
if(err==1){// got the value of the byte at address 0
62-
zeroByte=Wire.read();
63-
uint8_t saveByte,testByte;
64-
do{
65-
if(i2cReady(ID)){
66-
Wire.beginTransmission(ID);
67-
Wire.write(highByte(size)); // set next test address
68-
Wire.write(lowByte(size));
69-
Wire.endTransmission();
70-
err=Wire.requestFrom(ID,(uint8_t)1);
71-
if(err==1){
72-
saveByte=Wire.read();
50+
i=0;
51+
size = 0x1000; // Start at 4k, 16bit address devices,
52+
i += sprintf_P(&buf[i],PSTR("0x%02X: "),ID);
53+
if(i2cReady(ID)) { // EEPROM answered
54+
uint8_t zeroByte;
55+
Wire.beginTransmission(ID);
56+
Wire.write((uint8_t)0); // set address ptr to 0, two bytes High
57+
Wire.write((uint8_t)0); // set address ptr to 0, two bytes Low
58+
uint8_t err=Wire.endTransmission();
59+
if(err==0){// worked, device exists at this ID
60+
err=Wire.requestFrom(ID,(uint8_t)1);
61+
if(err==1){// got the value of the byte at address 0
62+
zeroByte=Wire.read();
63+
uint8_t saveByte,testByte;
64+
do{
65+
if(i2cReady(ID)){
66+
Wire.beginTransmission(ID);
67+
Wire.write(highByte(size)); // set next test address
68+
Wire.write(lowByte(size));
69+
Wire.endTransmission();
70+
err=Wire.requestFrom(ID,(uint8_t)1);
71+
if(err==1){
72+
saveByte=Wire.read();
7373
if(saveByte == zeroByte) { // have to test it
7474
Wire.beginTransmission(ID);
7575
Wire.write(highByte(size)); // set next test address
@@ -103,41 +103,41 @@ while(ID<0x58){
103103
else {
104104
testByte = ~zeroByte;
105105
}
106-
107-
//restore byte
108-
if(!i2cReady(ID)){
109-
i+=sprintf_P(&buf[i],PSTR(" notReady4.\n"));
110-
Serial.print(buf);
111-
ID++;
112-
break;
113-
}
114-
Wire.beginTransmission(ID);
115-
Wire.write(highByte(size)); // set next test address
116-
Wire.write(lowByte(size));
117-
Wire.write((uint8_t)saveByte); // restore it
118-
Wire.endTransmission();
119-
}
106+
107+
//restore byte
108+
if(!i2cReady(ID)){
109+
i+=sprintf_P(&buf[i],PSTR(" notReady4.\n"));
110+
Serial.print(buf);
111+
ID++;
112+
break;
113+
}
114+
Wire.beginTransmission(ID);
115+
Wire.write(highByte(size)); // set next test address
116+
Wire.write(lowByte(size));
117+
Wire.write((uint8_t)saveByte); // restore it
118+
Wire.endTransmission();
119+
}
120120
else testByte = zeroByte; // They were different so the eeprom Is Bigger
121121
}
122-
else testByte=~zeroByte;
123-
}
124-
else testByte=~zeroByte;
125-
if(testByte==zeroByte){
126-
size = size <<1;
127-
}
128-
}while((testByte==zeroByte)&&(size>0));
129-
if(size==0) i += sprintf_P(&buf[i],PSTR("64k Bytes"));
130-
else i+=sprintf_P(&buf[i],PSTR("%dk Bytes"),size/1024);
131-
if(!i2cReady(ID)){
132-
i+=sprintf_P(&buf[i],PSTR(" notReady3.\n"));
133-
Serial.print(buf);
134-
ID++;
135-
continue;
136-
}
137-
Wire.beginTransmission(ID);
138-
Wire.write((uint8_t)0); // set address ptr to 0, two bytes High
139-
Wire.write((uint8_t)0); // set address ptr to 0, two bytes Low
140-
err=Wire.endTransmission();
122+
else testByte=~zeroByte;
123+
}
124+
else testByte=~zeroByte;
125+
if(testByte==zeroByte){
126+
size = size <<1;
127+
}
128+
}while((testByte==zeroByte)&&(size>0));
129+
if(size==0) i += sprintf_P(&buf[i],PSTR("64k Bytes"));
130+
else i+=sprintf_P(&buf[i],PSTR("%dk Bytes"),size/1024);
131+
if(!i2cReady(ID)){
132+
i+=sprintf_P(&buf[i],PSTR(" notReady3.\n"));
133+
Serial.print(buf);
134+
ID++;
135+
continue;
136+
}
137+
Wire.beginTransmission(ID);
138+
Wire.write((uint8_t)0); // set address ptr to 0, two bytes High
139+
Wire.write((uint8_t)0); // set address ptr to 0, two bytes Low
140+
err=Wire.endTransmission();
141141
if(err==0){
142142
err= Wire.requestFrom(ID,1);
143143
if (err==1) {
@@ -152,15 +152,15 @@ while(ID<0x58){
152152
}
153153
}
154154
}
155-
else i+=sprintf_P(&buf[i],PSTR("Read 0 Failure"));
156-
}
157-
else i+=sprintf_P(&buf[i],PSTR("Write Adr 0 Failure"));
158-
159-
}
160-
else i+=sprintf_P(&buf[i],PSTR("Not Present"));
161-
Serial.println(buf);
162-
ID++;
163-
}
155+
else i+=sprintf_P(&buf[i],PSTR("Read 0 Failure"));
156+
}
157+
else i+=sprintf_P(&buf[i],PSTR("Write Adr 0 Failure"));
158+
159+
}
160+
else i+=sprintf_P(&buf[i],PSTR("Not Present"));
161+
Serial.println(buf);
162+
ID++;
163+
}
164164
}
165165

166166
void setup(){

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