std::span for algo function

master
Clyne 4 years ago
parent cedb218a69
commit f84b4b119d

@ -19,7 +19,7 @@ const std::array<unsigned int, 6> srateNums {
const char *makefile_text_h7 = R"make(
all:
@arm-none-eabi-g++ -x c++ -Os -fno-exceptions -fno-rtti \
@arm-none-eabi-g++ -x c++ -Os -std=c++20 -fno-exceptions -fno-rtti \
-mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16 -mtune=cortex-m7 \
-nostartfiles \
-Wl,-Ttext-segment=0x00000000 -Wl,-zmax-page-size=512 -Wl,-eprocess_data_entry \
@ -34,7 +34,7 @@ all:
)make";
const char *makefile_text_l4 = R"make(
all:
@arm-none-eabi-g++ -x c++ -Os -fno-exceptions -fno-rtti \
@arm-none-eabi-g++ -x c++ -Os -std=c++20 -fno-exceptions -fno-rtti \
-mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mtune=cortex-m4 \
-nostartfiles \
-Wl,-Ttext-segment=0x10000000 -Wl,-zmax-page-size=512 -Wl,-eprocess_data_entry \
@ -48,15 +48,20 @@ all:
arm-none-eabi-size $0.o
)make";
// $0 = buffer size
const char *file_header_h7 = R"cpp(
#include <cstdint>
#include <span>
using adcsample_t = uint16_t;
constexpr unsigned int SIZE = $0;
adcsample_t *process_data(adcsample_t *samples, unsigned int size);
using Sample = uint16_t;
using Samples = std::span<Sample, $0>;
Sample *process_data(Samples samples);
extern "C" void process_data_entry()
{
((void (*)())process_data)();
Sample *samples;
asm("mov %0, r0" : "=r" (samples));
process_data(Samples(samples, $0));
}
constexpr double PI = 3.14159265358979323846L;
@ -94,7 +99,7 @@ return 0;
}
auto readalt() {
adcsample_t s;
Sample s;
asm("svc 3; mov %0, r0" : "=&r"(s));
return s;
}
@ -104,13 +109,17 @@ return s;
)cpp";
const char *file_header_l4 = R"cpp(
#include <cstdint>
#include <span>
using Sample = uint16_t;
using Samples = std::span<Sample, $0>;
using adcsample_t = uint16_t;
constexpr unsigned int SIZE = $0;
adcsample_t *process_data(adcsample_t *samples, unsigned int size);
Sample *process_data(Samples samples);
extern "C" void process_data_entry()
{
((void (*)())process_data)();
Sample *samples;
asm("mov %0, r0" : "=r" (samples));
process_data(Samples(samples, $0));
}
constexpr float PI = 3.14159265358979L;
@ -148,7 +157,7 @@ return 0;
}
auto readalt() {
adcsample_t s;
Sample s;
asm("push {r4-r6}; svc 3; mov %0, r0; pop {r4-r6}" : "=&r"(s));
return s;
}
@ -159,9 +168,9 @@ return s;
const char *file_content =
R"cpp(adcsample_t *process_data(adcsample_t *samples, unsigned int size)
R"cpp(Sample *process_data(Samples samples)
{
return samples;
return samples.data();
}
)cpp";

@ -11,6 +11,7 @@
#include "wxsiggen.hpp"
#include <array>
#include <wx/filedlg.h>
#include <wx/radiobox.h>

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