espressif/arduino-esp32
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UART rework

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many possible problems fixed in preparation for thread-safe
This commit is contained in:
me-no-dev
2016-10-14 03:02:40 +03:00
parent 50b060ab32
commit 17c8ceb1b9
4 changed files with 153 additions and 132 deletions
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40
cores/esp32/HardwareSerial.cpp
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@ -33,11 +33,7 @@ void HardwareSerial::setDebugOutput(bool en)
return;
}
if(en) {
if(_uart->txEnabled) {
uartSetDebug(_uart);
} else {
uartSetDebug(0);
}
uartSetDebug(_uart);
} else {
if(uartGetDebug() == _uart_nr) {
uartSetDebug(0);
@ -45,33 +41,14 @@ void HardwareSerial::setDebugOutput(bool en)
}
}
bool HardwareSerial::isTxEnabled(void)
{
if(_uart == 0) {
return false;
}
return _uart->txEnabled;
}
bool HardwareSerial::isRxEnabled(void)
{
if(_uart == 0) {
return false;
}
return _uart->rxEnabled;
}
int HardwareSerial::available(void)
{
if (_uart && _uart->rxEnabled) {
return uartAvailable(_uart);
}
return 0;
return uartAvailable(_uart);
}
int HardwareSerial::peek(void)
{
if (_uart && _uart->rxEnabled) {
if (available()) {
return uartPeek(_uart);
}
return -1;
@ -79,7 +56,7 @@ int HardwareSerial::peek(void)
int HardwareSerial::read(void)
{
if(_uart && _uart->rxEnabled) {
if(available()) {
return uartRead(_uart);
}
return -1;
@ -87,26 +64,17 @@ int HardwareSerial::read(void)
void HardwareSerial::flush()
{
if(_uart == 0 || !_uart->txEnabled) {
return;
}
uartFlush(_uart);
}
size_t HardwareSerial::write(uint8_t c)
{
if(_uart == 0 || !_uart->txEnabled) {
return 0;
}
uartWrite(_uart, c);
return 1;
}
size_t HardwareSerial::write(const uint8_t *buffer, size_t size)
{
if(_uart == 0 || !_uart->txEnabled) {
return 0;
}
uartWriteBuf(_uart, buffer, size);
return size;
}