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Separate print methods from UART interface

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This commit is contained in:
Henrik Stickann 2022-05-07 16:16:19 +02:00
parent e3be99514c
commit bc35c44cb1
7 changed files with 430 additions and 350 deletions
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10
include/sta/debug_serial.hpp
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@ -30,22 +30,20 @@
#ifdef STA_DEBUG_SERIAL_ENABLE
#include <sta/intf/uart.hpp>
#include <sta/printable_uart.hpp>
namespace sta
{
extern UART * const DebugSerial;
extern PrintableUART DebugSerial;
} // namespace sta
# define STA_DEBUG_PRINT(...) sta::DebugSerial->print(__VA_ARGS__)
# define STA_DEBUG_PRINTLN(...) sta::DebugSerial->println(__VA_ARGS__)
# define STA_DEBUG_WRITE(b, s) sta::DebugSerial->write(b, s)
# define STA_DEBUG_PRINT(...) sta::DebugSerial.print(__VA_ARGS__)
# define STA_DEBUG_PRINTLN(...) sta::DebugSerial.println(__VA_ARGS__)
#else // !STA_DEBUG_SERIAL_ENABLE
# define STA_DEBUG_PRINT(...) ((void)0)
# define STA_DEBUG_PRINTLN(...) ((void)0)
# define STA_DEBUG_WRITE(b, s) ((void)0)
#endif // !STA_DEBUG_SERIAL_ENABLE
#endif // STA_DEBUG_SERIAL_HPP

2
include/sta/hal/uart.hpp
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@ -28,8 +28,6 @@ namespace sta
*/
HalUART(UART_HandleTypeDef * handle);
using UART::print;
void write(const uint8_t * buffer, size_t size) override;
private:

167
include/sta/intf/uart.hpp
View File

@ -1,8 +1,8 @@
/**
* @brief UART interface definition.
*/
#ifndef STA_UART_HPP
#define STA_UART_HPP
#ifndef STA_INTF_UART_HPP
#define STA_INTF_UART_HPP
#include <cstddef>
#include <cstdint>
@ -10,148 +10,12 @@
namespace sta
{
/**
* @brief Integer representation.
*/
enum class IntegerBase
{
DEC, /**< Decimal */
BIN, /**< Binary */
HEX /**< Hexadecimal */
};
/**
* @brief Interface for UART.
*/
class UART
{
public:
/**
* @brief Print single character.
*
* @param c Character to print
*/
void print(char c);
/**
* @brief Print boolean value.
*
* @param b Boolean value
*/
void print(bool b);
/**
* @brief Print floating point value.
*
* @param d Floating point value
*/
void print(double d);
/**
* @brief Print integer in selected base.
*
* @param num 8-bit unsigned integer
* @param base Integer base
*/
void print(uint8_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base.
*
* @param num 16-bit unsigned integer
* @param base Integer base
*/
void print(uint16_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base.
*
* @param num 32-bit unsigned integer
* @param base Integer base
*/
void print(uint32_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base.
*
* @param num Integer
* @param base Integer base
*/
void print(size_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print c-string.
*
* @param str Null terminated string
*/
void print(const char * str);
/**
* @brief Print string.
*
* @param str String buffer
* @parma length String length
*/
void print(const char * str, size_t length);
/**
* @brief Print new-line.
*/
void println();
/**
* @brief Print single character followed by a new-line.
*
* @param c Character to print
*/
void println(char c);
/**
* @brief Print boolean value followed by a new-line.
*
* @param b Boolean value
*/
void println(bool b);
/**
* @brief Print floating point value followed by a new-line.
*
* @param d Floating point value
*/
void println(double d);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num 8-bit unsigned integer
* @param base Integer base
*/
void println(uint8_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num 16-bit unsigned integer
* @param base Integer base
*/
void println(uint16_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num 32-bit unsigned integer
* @param base Integer base
*/
void println(uint32_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num Integer
* @param base Integer base
*/
void println(size_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print c-string followed by a new-line.
*
* @param str Null terminated string
*/
void println(const char * str);
/**
* @brief Print string followed by a new-line.
*
* @param str String buffer
* @parma length String length
*/
void println(const char * str, size_t length);
/**
* @brief Write buffer to UART.
*
@ -160,39 +24,26 @@ namespace sta
*/
virtual void write(const uint8_t * buffer, size_t size) = 0;
private:
/**
* @brief Print unsigned integer in selected base.
* @brief Write unsigned integer to UART.
*
* @param value Unsigned integer value
* @param base Integer base
* @param fmt printf format string for base 10
* @param size Size of value in bytes
*/
void printBase(uintmax_t value, IntegerBase base, const char * fmt, size_t size);
void write(uint8_t value);
/**
* @brief Print unsigned integer in base 10.
* @brief Write unsigned integer to UART.
*
* @param value Unsigned integer value
* @param fmt printf format string
*/
void printDec(uintmax_t value, const char * fmt);
void write(uint16_t value);
/**
* @brief Print unsigned integer in base 2.
* @brief Write unsigned integer to UART.
*
* @param value Unsigned integer value
* @param digits Number of digits to print
*/
void printBin(uintmax_t value, size_t digits);
/**
* @brief Print unsigned integer in base 16.
*
* @param value Unsigned integer value
* @param digits Number of digits to print
*/
void printHex(uintmax_t value, size_t digits);
void write(uint32_t value);
};
} // namespace sta
#endif // STA_UART_HPP
#endif // STA_INTF_UART_HPP

196
include/sta/printable_uart.hpp Normal file
View File

@ -0,0 +1,196 @@
/**
* @brief UART interface definition.
*/
#ifndef STA_PRINTABLE_UART_HPP
#define STA_PRINTABLE_UART_HPP
#include <sta/intf/uart.hpp>
#include <cstddef>
#include <cstdint>
namespace sta
{
/**
* @brief Integer representation.
*/
enum class IntegerBase
{
DEC, /**< Decimal */
BIN, /**< Binary */
HEX /**< Hexadecimal */
};
/**
* @brief Interface for UART.
*/
class PrintableUART
{
public:
PrintableUART(UART * intf);
/**
* @brief Print single character.
*
* @param c Character to print
*/
void print(char c);
/**
* @brief Print boolean value.
*
* @param b Boolean value
*/
void print(bool b);
/**
* @brief Print floating point value.
*
* @param d Floating point value
*/
void print(double d);
/**
* @brief Print integer in selected base.
*
* @param num 8-bit unsigned integer
* @param base Integer base
*/
void print(uint8_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base.
*
* @param num 16-bit unsigned integer
* @param base Integer base
*/
void print(uint16_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base.
*
* @param num 32-bit unsigned integer
* @param base Integer base
*/
void print(uint32_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base.
*
* @param num Integer
* @param base Integer base
*/
void print(size_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print c-string.
*
* @param str Null terminated string
*/
void print(const char * str);
/**
* @brief Print string.
*
* @param str String buffer
* @parma length String length
*/
void print(const char * str, size_t length);
/**
* @brief Print new-line.
*/
void println();
/**
* @brief Print single character followed by a new-line.
*
* @param c Character to print
*/
void println(char c);
/**
* @brief Print boolean value followed by a new-line.
*
* @param b Boolean value
*/
void println(bool b);
/**
* @brief Print floating point value followed by a new-line.
*
* @param d Floating point value
*/
void println(double d);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num 8-bit unsigned integer
* @param base Integer base
*/
void println(uint8_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num 16-bit unsigned integer
* @param base Integer base
*/
void println(uint16_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num 32-bit unsigned integer
* @param base Integer base
*/
void println(uint32_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print integer in selected base followed by a new-line.
*
* @param num Integer
* @param base Integer base
*/
void println(size_t num, IntegerBase base = IntegerBase::DEC);
/**
* @brief Print c-string followed by a new-line.
*
* @param str Null terminated string
*/
void println(const char * str);
/**
* @brief Print string followed by a new-line.
*
* @param str String buffer
* @parma length String length
*/
void println(const char * str, size_t length);
private:
/**
* @brief Print unsigned integer in selected base.
*
* @param value Unsigned integer value
* @param base Integer base
* @param fmt printf format string for base 10
* @param size Size of value in bytes
*/
void printBase(uintmax_t value, IntegerBase base, const char * fmt, size_t size);
/**
* @brief Print unsigned integer in base 10.
*
* @param value Unsigned integer value
* @param fmt printf format string
*/
void printDec(uintmax_t value, const char * fmt);
/**
* @brief Print unsigned integer in base 2.
*
* @param value Unsigned integer value
* @param digits Number of digits to print
*/
void printBin(uintmax_t value, size_t digits);
/**
* @brief Print unsigned integer in base 16.
*
* @param value Unsigned integer value
* @param digits Number of digits to print
*/
void printHex(uintmax_t value, size_t digits);
private:
UART * intf_;
};
} // namespace sta
#endif // STA_PRINTABLE_UART_HPP

2
src/hal/uart.cpp
View File

@ -34,7 +34,7 @@ namespace sta
HalUART gHalDebugSerial(&STA_HAL_UART_DEBUG_SERIAL);
// Used by <sta/debug.hpp>
UART * const DebugSerial = &gHalDebugSerial;
PrintableUART DebugSerial(&gHalDebugSerial);
} // namespace sta
#endif // STA_HAL_UART_DEBUG_SERIAL

192
src/intf/uart.cpp
View File

@ -9,195 +9,21 @@
namespace sta
{
void UART::print(char c)
void UART::write(uint8_t value)
{
print(&c, 1);
// TODO Handle endian-ness
write(&value, 1);
}
void UART::print(bool b)
void UART::write(uint16_t value)
{
print(b ? "true" : "false");
// TODO Handle endian-ness
write(reinterpret_cast<uint8_t *>(&value), sizeof(value));
}
void UART::print(double d)
void UART::write(uint32_t value)
{
char buffer[64];
snprintf(buffer, sizeof(buffer), "%f", d);
print(buffer);
}
void UART::print(uint8_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%" PRIu8, sizeof(num));
}
void UART::print(uint16_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%" PRIu16, sizeof(num));
}
void UART::print(uint32_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%" PRIu32, sizeof(num));
}
void UART::print(size_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%z", sizeof(num));
}
void UART::print(const char * str)
{
print(str, strlen(str));
}
void UART::print(const char * str, size_t length)
{
write(reinterpret_cast<const uint8_t *>(str), length);
}
void UART::println()
{
print("\r\n", 2);
}
void UART::println(char c)
{
print(&c, 1);
println();
}
void UART::println(bool b)
{
print(b);
println();
}
void UART::println(double d)
{
print(d);
println();
}
void UART::println(uint8_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void UART::println(uint16_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void UART::println(uint32_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void UART::println(size_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void UART::println(const char * str)
{
println(str, strlen(str));
}
void UART::println(const char * str, size_t length)
{
print(str, length);
println();
}
void UART::printBase(uintmax_t num, IntegerBase base, const char * fmt, size_t size)
{
switch (base)
{
case IntegerBase::DEC:
printDec(num, fmt);
break;
case IntegerBase::BIN:
// Digits in base 2 = size in bytes * 8
printBin(num, size * 8);
break;
case IntegerBase::HEX:
// Digits in base 16 = size in bytes * 2
printHex(num, size * 2);
break;
default:
print("<invalid_base>");
}
}
void UART::printDec(uintmax_t num, const char * fmt)
{
char buffer[64];
snprintf(buffer, sizeof(buffer), fmt, static_cast<uint32_t>(num));
print(buffer);
}
void UART::printBin(uintmax_t value, size_t digits)
{
// Need 8 digits for every byte
char buffer[sizeof(value) * 8];
// Check bounds
if (digits > sizeof(buffer))
{
print("<bin_value_too_big>");
return;
}
// Nothing to do
if (digits == 0)
return;
for (size_t i = 0; i < digits; ++i)
{
// Convert bit to '0' or '1'
// First digit in buffer is MSB in value, so shift from high to low
buffer[i] = '0' + ((value >> (digits - 1 - i)) & 0x1);
}
print(buffer, digits);
}
void UART::printHex(uintmax_t value, size_t digits)
{
// Need 2 digits for every byte
char buffer[sizeof(value) * 2];
// Check bounds
if (digits > sizeof(buffer))
{
print("<hex_value_too_big>");
return;
}
// Nothing to do
if (digits == 0)
return;
for (size_t i = 0; i < digits; ++i)
{
// Convert 4 bits to hex
// First digit in buffer is 4 MSBs in value, so shift from high to low
uint8_t hex = ((value >> ((digits - 1 - i) * 4)) & 0xF);
if (hex > 9)
buffer[i] = 'A' + (hex - 10);
else
buffer[i] = '0' + hex;
}
print(buffer, digits);
// TODO Handle endian-ness
write(reinterpret_cast<uint8_t *>(&value), sizeof(value));
}
} // namespace sta

211
src/printable_uart.cpp Normal file
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@ -0,0 +1,211 @@
#include <sta/printable_uart.hpp>
#include <sta/assert.hpp>
#include <sta/printf.hpp>
#include <cinttypes>
#include <cstring>
namespace sta
{
PrintableUART::PrintableUART(UART * intf)
: intf_{intf}
{
STA_ASSERT(intf != nullptr);
}
void PrintableUART::print(char c)
{
print(&c, 1);
}
void PrintableUART::print(bool b)
{
print(b ? "true" : "false");
}
void PrintableUART::print(double d)
{
char buffer[64];
snprintf(buffer, sizeof(buffer), "%f", d);
print(buffer);
}
void PrintableUART::print(uint8_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%" PRIu8, sizeof(num));
}
void PrintableUART::print(uint16_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%" PRIu16, sizeof(num));
}
void PrintableUART::print(uint32_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%" PRIu32, sizeof(num));
}
void PrintableUART::print(size_t num, IntegerBase base /* = IntegerBase::DEC */)
{
printBase(num, base, "%z", sizeof(num));
}
void PrintableUART::print(const char * str)
{
print(str, strlen(str));
}
void PrintableUART::print(const char * str, size_t length)
{
intf_->write(reinterpret_cast<const uint8_t *>(str), length);
}
void PrintableUART::println()
{
print("\r\n", 2);
}
void PrintableUART::println(char c)
{
print(&c, 1);
println();
}
void PrintableUART::println(bool b)
{
print(b);
println();
}
void PrintableUART::println(double d)
{
print(d);
println();
}
void PrintableUART::println(uint8_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void PrintableUART::println(uint16_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void PrintableUART::println(uint32_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void PrintableUART::println(size_t num, IntegerBase base /* = IntegerBase::DEC */)
{
print(num, base);
println();
}
void PrintableUART::println(const char * str)
{
println(str, strlen(str));
}
void PrintableUART::println(const char * str, size_t length)
{
print(str, length);
println();
}
void PrintableUART::printBase(uintmax_t num, IntegerBase base, const char * fmt, size_t size)
{
switch (base)
{
case IntegerBase::DEC:
printDec(num, fmt);
break;
case IntegerBase::BIN:
// Digits in base 2 = size in bytes * 8
printBin(num, size * 8);
break;
case IntegerBase::HEX:
// Digits in base 16 = size in bytes * 2
printHex(num, size * 2);
break;
default:
print("<invalid_base>");
}
}
void PrintableUART::printDec(uintmax_t num, const char * fmt)
{
char buffer[64];
snprintf(buffer, sizeof(buffer), fmt, static_cast<uint32_t>(num));
print(buffer);
}
void PrintableUART::printBin(uintmax_t value, size_t digits)
{
// Need 8 digits for every byte
char buffer[sizeof(value) * 8];
// Check bounds
if (digits > sizeof(buffer))
{
print("<bin_value_too_big>");
return;
}
// Nothing to do
if (digits == 0)
return;
for (size_t i = 0; i < digits; ++i)
{
// Convert bit to '0' or '1'
// First digit in buffer is MSB in value, so shift from high to low
buffer[i] = '0' + ((value >> (digits - 1 - i)) & 0x1);
}
print(buffer, digits);
}
void PrintableUART::printHex(uintmax_t value, size_t digits)
{
// Need 2 digits for every byte
char buffer[sizeof(value) * 2];
// Check bounds
if (digits > sizeof(buffer))
{
print("<hex_value_too_big>");
return;
}
// Nothing to do
if (digits == 0)
return;
for (size_t i = 0; i < digits; ++i)
{
// Convert 4 bits to hex
// First digit in buffer is 4 MSBs in value, so shift from high to low
uint8_t hex = ((value >> ((digits - 1 - i) * 4)) & 0xF);
if (hex > 9)
buffer[i] = 'A' + (hex - 10);
else
buffer[i] = '0' + hex;
}
print(buffer, digits);
}
} // namespace sta