ejung/bsb1
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

kout

Browse Source
This commit is contained in:
Eggert Jung
2025-04-23 01:31:43 +02:00
parent 5ae907ca5a
commit 91d7affc23
7 changed files with 49 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
arch/serial.cc
View File

@@ -40,10 +40,13 @@ char Serial::readReg(RegisterIndex reg) {
}
int Serial::write(char out) {
// TODO: Implement
if(readReg(LINE_STATUS_REGISTER) & TRANSMITTER_EMPTY){
writeReg(TRANSMIT_BUFFER_REGISTER, out);
return out;
}
return -1;
//TODO fix behavior when \r\n ist actually sent
if(out == '\n')
write('\r');
if(readReg(LINE_STATUS_REGISTER) & TRANSMITTER_EMPTY){
writeReg(TRANSMIT_BUFFER_REGISTER, out);
return out;
}
return -1;
}

5
device/serialstream.cc
View File

@@ -5,8 +5,11 @@ SerialStream::SerialStream(ComPort port, BaudRate baud_rate, DataBits data_bits,
StopBits stop_bits, Parity parity)
:Serial(port, baud_rate, data_bits, stop_bits, parity) {}
SerialStream kout = SerialStream();
void SerialStream::flush() {
print(buffer, strlen(buffer));
print(buffer, pos);
pos = 0;
}
// https://stackoverflow.com/questions/3440726/what-is-the-proper-way-of-implementing-a-good-itoa-function

3
device/serialstream.h
View File

@@ -141,3 +141,6 @@ class SerialStream : public OutputStream, public Serial {
*/
void print(char* str, int length);
};
extern SerialStream kout;

3
device/textstream.cc
View File

@@ -15,7 +15,4 @@ TextStream::TextStream(unsigned from_col,
void TextStream::flush() {
print(buffer,pos);
pos = 0;
}

39
main.cc
View File

@@ -38,18 +38,33 @@ extern "C" int main() {
//Serial s = Serial();
//s.write('a');
// test SerialStream
SerialStream ss = SerialStream();
ss.print("test", 4);
ss.setAttribute(SerialStream::UNDERSCORE);
ss.print("test", 4);
ss.setAttribute(SerialStream::RESET);
ss.setForeground(SerialStream::MAGENTA);
ss.print("test", 4);
ss.setBackground(SerialStream::CYAN);
ss.print("test", 4);
ss.setPos(10, 10);
ss.print("test", 4);
//// test SerialStream
//SerialStream ss = SerialStream();
//ss.print("test", 4);
//ss.setAttribute(SerialStream::UNDERSCORE);
//ss.print("test", 4);
//ss.setAttribute(SerialStream::RESET);
//ss.setForeground(SerialStream::MAGENTA);
//ss.print("test", 4);
//ss.setBackground(SerialStream::CYAN);
//ss.print("test", 4);
//ss.setPos(10, 10);
//ss.print("test", 4);
kout << "Test <stream result> -> <expected>" << endl;
kout << "bool: " << true << " -> true" << endl;
kout << "zero: " << 0 << " -> 0" << endl;
kout << "binary: " << bin << 42 << dec << " -> 0b101010" << endl;
kout << "octal: " << oct << 42 << dec << " -> 052" << endl;
kout << "hex: " << hex << 42 << dec << " -> 0x2a" << endl;
kout << "uint64_t max: " << ~((uint64_t)0) << " -> 18446744073709551615" << endl;
kout << "int64_t max: " << ~(1ll<<63) << " -> 9223372036854775807" << endl;
kout << "int64_t min: " << (1ll<<63) << " -> -9223372036854775808" << endl;
kout << "some int64_t: " << (-1234567890123456789) << " -> -1234567890123456789" << endl;
kout << "some int64_t: " << (1234567890123456789) << " -> 1234567890123456789" << endl;
kout << "pointer: " << reinterpret_cast<void*>(1994473406541717165ull)
<< " -> 0x1badcafefee1dead" << endl;
kout << "smiley: " << static_cast<char>(1) << endl;
/* Start application processors
* To avoid unexpected behaviour, make sure that interrupts are not

6
object/stringbuffer.cc
View File

@@ -1,3 +1,7 @@
#include "stringbuffer.h"
void Stringbuffer::put(char c) { (void)c; }
void Stringbuffer::put(char c) {
buffer[pos++] = c;
if(pos > 80)
flush();
}

2
tools/qemu.mk
View File

@@ -59,7 +59,7 @@ kvm: all
# Execute Qemu with activated GDB stub and directly connect GDB to the spawned Qemu.
gdb: all
${VERBOSE} $(GDB) "$(DBGKERNEL)" \
${VERBOSE} cgdb -d $(GDB) "$(DBGKERNEL)" \
-ex "set arch $(DBGARCH)" \
-ex "target remote | exec $(QEMU) -gdb stdio $(QEMUKERNEL) -smp $(QEMUCPUS) -S $(QEMUFLAGS) $(DBGFLAGS)"