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more experiments

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This commit is contained in:
Martin Brodbeck 2024-02-11 15:45:12 +01:00
parent 706e514ba4
commit 5bfe72553f
3 changed files with 29 additions and 6 deletions
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17
src/keyer.cpp
View file

@ -8,7 +8,7 @@ extern const uint LEFT_PADDLE_PIN;
bool left_paddle_pressed()
{
if (gpio_get(LEFT_PADDLE_PIN))
if (!gpio_get(LEFT_PADDLE_PIN))
{
return true;
}
@ -25,7 +25,20 @@ void Keyer::run()
break;
case State::LeftPaddlePressed:
printf(".");
state = State::Wait;
if (left_paddle_pressed())
state = State::InterCharSpace;
else
state = State::Wait;
break;
case State::InterCharSpace:
printf("(.)");
if (left_paddle_pressed())
state = State::LeftPaddlePressed;
else
state = State::Wait;
break;
default:

8
src/keyer.h
View file

@ -8,6 +8,7 @@ public:
{
Wait,
LeftPaddlePressed,
InterCharSpace,
};
@ -15,6 +16,13 @@ public:
private:
State state{State::Wait};
uint8_t numElements{0};
};
inline uint64_t element_duration_us(uint8_t wpm)
{
uint64_t duration = static_cast<uint64_t>(1.2 / static_cast<uint64_t>(wpm) * 1000 * 1000);
return duration;
}
#endif

10
src/pico_keyer.cpp
View file

@ -1,4 +1,5 @@
#include <stdio.h>
#include <inttypes.h>
#include "pico/stdlib.h"
@ -23,10 +24,10 @@ void setup()
// Setup pins for left and right paddles
gpio_init(LEFT_PADDLE_PIN);
gpio_set_dir(LEFT_PADDLE_PIN, GPIO_IN);
gpio_pull_down(LEFT_PADDLE_PIN);
gpio_pull_up(LEFT_PADDLE_PIN);
gpio_init(RIGHT_PADDLE_PIN);
gpio_set_dir(RIGHT_PADDLE_PIN, GPIO_IN);
gpio_pull_down(RIGHT_PADDLE_PIN);
gpio_pull_up(RIGHT_PADDLE_PIN);
}
int main()
@ -39,14 +40,15 @@ int main()
Settings settings{read_settings()};
printf("Iambic mode (loaded): %d\n", static_cast<int>(settings.mode));
printf("\nIambic mode (loaded): %d\n", static_cast<int>(settings.mode));
printf("WPM (loaded): %d\n", settings.wpm);
printf("Element duration (u_sec): %" PRIu64 "\n", element_duration_us(settings.wpm));
Keyer keyer;
while (true)
{
sleep_ms(1.2 * settings.wpm);
sleep_us(element_duration_us(settings.wpm));
keyer.run();
}