Combined LPC / Serial fixes (#21178)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
X-Ryl669
2021-02-25 08:23:29 +01:00
committed by GitHub
parent 13c4eef637
commit f003e52009
11 changed files with 132 additions and 87 deletions

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@ -92,12 +92,11 @@ int MarlinSerialUSB::read() {
return c;
}
bool MarlinSerialUSB::available() {
/* If Pending chars */
return pending_char >= 0 ||
/* or USB CDC enumerated and configured on the PC side and some
bytes where sent to us */
(usb_task_cdc_isenabled() && udi_cdc_is_rx_ready());
int MarlinSerialUSB::available() {
if (pending_char > 0) return pending_char;
return pending_char == 0 ||
// or USB CDC enumerated and configured on the PC side and some bytes where sent to us */
(usb_task_cdc_isenabled() && udi_cdc_is_rx_ready());
}
void MarlinSerialUSB::flush() { }

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@ -39,7 +39,7 @@ struct MarlinSerialUSB {
int peek();
int read();
void flush();
bool available();
int available();
size_t write(const uint8_t c);
#if ENABLED(SERIAL_STATS_DROPPED_RX)

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@ -25,20 +25,46 @@
#include "MarlinSerial.h"
#if ANY_SERIAL_IS(0)
MSerialT MSerial(true, LPC_UART0);
extern "C" void UART0_IRQHandler() { MSerial.IRQHandler(); }
MarlinSerial _MSerial(LPC_UART0);
MSerialT MSerial(true, _MSerial);
extern "C" void UART0_IRQHandler() { _MSerial.IRQHandler(); }
#endif
#if ANY_SERIAL_IS(1)
MSerialT MSerial1(true, (LPC_UART_TypeDef *) LPC_UART1);
extern "C" void UART1_IRQHandler() { MSerial1.IRQHandler(); }
MarlinSerial _MSerial1((LPC_UART_TypeDef *) LPC_UART1);
MSerialT MSerial1(true, _MSerial1);
extern "C" void UART1_IRQHandler() { _MSerial1.IRQHandler(); }
#endif
#if ANY_SERIAL_IS(2)
MSerialT MSerial2(true, LPC_UART2);
extern "C" void UART2_IRQHandler() { MSerial2.IRQHandler(); }
MarlinSerial _MSerial2(LPC_UART2);
MSerialT MSerial2(true, _MSerial2);
extern "C" void UART2_IRQHandler() { _MSerial2.IRQHandler(); }
#endif
#if ANY_SERIAL_IS(3)
MSerialT MSerial3(true, LPC_UART3);
extern "C" void UART3_IRQHandler() { MSerial3.IRQHandler(); }
MarlinSerial _MSerial3(LPC_UART3);
MSerialT MSerial3(true, _MSerial3);
extern "C" void UART3_IRQHandler() { _MSerial3.IRQHandler(); }
#endif
#if ENABLED(EMERGENCY_PARSER)
bool MarlinSerial::recv_callback(const char c) {
// Need to figure out which serial port we are and react in consequence (Marlin does not have CONTAINER_OF macro)
if (false) {}
#if ANY_SERIAL_IS(0)
else if (this == &_MSerial) emergency_parser.update(MSerial.emergency_state, c);
#endif
#if ANY_SERIAL_IS(1)
else if (this == &_MSerial1) emergency_parser.update(MSerial1.emergency_state, c);
#endif
#if ANY_SERIAL_IS(2)
else if (this == &_MSerial2) emergency_parser.update(MSerial2.emergency_state, c);
#endif
#if ANY_SERIAL_IS(3)
else if (this == &_MSerial3) emergency_parser.update(MSerial3.emergency_state, c);
#endif
return true;
}
#endif
#endif // TARGET_LPC1768

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@ -47,15 +47,21 @@ public:
void end() {}
#if ENABLED(EMERGENCY_PARSER)
bool recv_callback(const char c) override {
emergency_parser.update(static_cast<Serial0Type<MarlinSerial> *>(this)->emergency_state, c);
return true; // do not discard character
}
bool recv_callback(const char c) override;
#endif
};
typedef Serial0Type<MarlinSerial> MSerialT;
// On LPC176x framework, HardwareSerial does not implement the same interface as Arduino's Serial, so overloads
// of 'available' and 'read' method are not used in this multiple inheritance scenario.
// Instead, use a ForwardSerial here that adapts the interface.
typedef ForwardSerial0Type<MarlinSerial> MSerialT;
extern MSerialT MSerial;
extern MSerialT MSerial1;
extern MSerialT MSerial2;
extern MSerialT MSerial3;
// Consequently, we can't use a RuntimeSerial either. The workaround would be to use a RuntimeSerial<ForwardSerial<MarlinSerial>> type here
// Right now, let's ignore this until it's actually required.
#if ENABLED(SERIAL_RUNTIME_HOOK)
#error "SERIAL_RUNTIME_HOOK is not yet supported for LPC176x."
#endif

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@ -29,8 +29,8 @@
EmergencyParser::State emergency_state;
bool CDC_RecvCallback(const char buffer) {
emergency_parser.update(emergency_state, buffer);
bool CDC_RecvCallback(const char c) {
emergency_parser.update(emergency_state, c);
return true;
}

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@ -51,7 +51,7 @@
// Use hardware cycle counter instead, it's much safer
void delay_dwt(uint32_t count) {
// Reuse the ASM_CYCLES_PER_ITERATION variable to avoid wasting another useless variable
register uint32_t start = HW_REG(_DWT_CYCCNT) - ASM_CYCLES_PER_ITERATION, elapsed;
uint32_t start = HW_REG(_DWT_CYCCNT) - ASM_CYCLES_PER_ITERATION, elapsed;
do {
elapsed = HW_REG(_DWT_CYCCNT) - start;
} while (elapsed < count);
@ -114,7 +114,7 @@
serialprintPGM(unit);
SERIAL_ECHOLNPAIR(" took: ", total);
serialprintPGM(unit);
if (do_flush) SERIAL_FLUSH();
if (do_flush) SERIAL_FLUSHTX();
};
uint32_t s, e;