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mirror of https://github.com/bdring/Grbl_Esp32.git synced 2025-08-31 18:11:48 +02:00

Accept NO_PIN (case independent) as a pin name.

Also, the pin parser no longer requires a . , so you can
have pin names without a numeric suffix, and it no longer
limits the numeric suffix to 254.
This commit is contained in:
Mitch Bradley
2021-06-24 07:09:31 -10:00
parent 97b2fae2f6
commit 76493e0cf8

View File

@@ -75,17 +75,10 @@ const char* Pin::parse(StringRange tmp, Pins::PinDetail*& pinImplementation) {
int pinNumber = 0;
if (prefix != "") {
if (idx == str.end()) {
// Incorrect pin definition.
return "Pin definition is missing.";
}
for (int n = 0; idx != str.end() && n <= 4 && *idx >= '0' && *idx <= '9'; ++idx, ++n) {
pinNumber = pinNumber * 10 + int(*idx - '0');
}
if ((idx != str.end() && *idx >= '0' && *idx <= '9') || (pinNumber < 0 || pinNumber > 253)) {
// Pin number has to be between [0,253].
return "Pin number has to be between [0,253>";
if (idx != str.end()) {
for (int n = 0; idx != str.end() && n <= 4 && *idx >= '0' && *idx <= '9'; ++idx, ++n) {
pinNumber = pinNumber * 10 + int(*idx - '0');
}
}
}
@@ -112,7 +105,7 @@ const char* Pin::parse(StringRange tmp, Pins::PinDetail*& pinImplementation) {
// Build an options parser:
Pins::PinOptionsParser parser(options.begin(), options.end());
pin_debug("Attempting to set up pin: %s, index %d\r\n", prefix.c_str(), int(pinNumber));
pin_debug("Attempting to set up pin: %s, index %d", prefix.c_str(), int(pinNumber));
// Build this pin:
if (prefix == "gpio") {
@@ -123,16 +116,20 @@ const char* Pin::parse(StringRange tmp, Pins::PinDetail*& pinImplementation) {
pinImplementation = new Pins::I2SOPinDetail(uint8_t(pinNumber), parser);
}
#endif
if (prefix == "no_pin") {
pinImplementation = new Pins::VoidPinDetail();
}
if (prefix == "void") {
// Note: having multiple void pins has its uses for debugging.
pinImplementation = new Pins::VoidPinDetail();
}
if (pinImplementation == nullptr) {
pin_error("ERR: Unknown prefix: \"%s\"\r\n", prefix.c_str());
pin_error("ERR: Unknown prefix: \"%s\"", prefix.c_str());
return "Unknown pin prefix";
} else {
#if DEBUG_PIN_DUMP
#ifdef DEBUG_PIN_DUMP
pinImplementation = new Pins::DebugPinDetail(pinImplementation);
#endif
@@ -147,7 +144,7 @@ Pin Pin::create(const String& str) {
Pin Pin::create(const StringRange& str) {
Pins::PinDetail* pinImplementation = nullptr;
try {
pin_debug("Setting up pin: [%s]\r\n", str.str().c_str());
pin_debug("Setting up pin: [%s]", str.str().c_str());
const char* err = parse(str, pinImplementation);
if (err) {