raspikeyer/src/raspi_keyer.cpp

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#include <stdio.h>
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#include "pico/multicore.h"
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#include "pico/stdlib.h"
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#include "pico/util/queue.h"
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#include "keyer.h"
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#include "settings.h"
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namespace
{
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}
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extern const uint LED_PIN = PICO_DEFAULT_LED_PIN;
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extern const uint LEFT_PADDLE_PIN = 14;
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extern const uint RIGHT_PADDLE_PIN = 15;
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extern const uint BUZZER_PIN = 18;
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extern const uint CW_OUT_PIN = 17;
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// Stuff for communicating between cores
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enum class KeyerQueueCommand {
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Run,
Stop,
Config,
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Wait,
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};
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struct KeyerQueueData {
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KeyerQueueCommand cmd;
uint8_t wpm;
Mode mode;
};
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queue_t keyerQueue;
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void setup()
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{
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stdio_init_all();
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gpio_init(LED_PIN);
gpio_set_dir(LED_PIN, GPIO_OUT);
gpio_put(LED_PIN, 0);
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// Setup pins for left and right paddles
gpio_init(LEFT_PADDLE_PIN);
gpio_set_dir(LEFT_PADDLE_PIN, GPIO_IN);
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gpio_pull_up(LEFT_PADDLE_PIN);
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gpio_init(RIGHT_PADDLE_PIN);
gpio_set_dir(RIGHT_PADDLE_PIN, GPIO_IN);
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gpio_pull_up(RIGHT_PADDLE_PIN);
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gpio_init(CW_OUT_PIN);
gpio_set_dir(CW_OUT_PIN, GPIO_OUT);
gpio_put(CW_OUT_PIN, 0);
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}
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/* Let's do all the keying stuff in the second core, so there are no timing problems. */
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void core1_main()
{
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printf("Hello from core1!\n");
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KeyerQueueData data;
queue_remove_blocking(&keyerQueue, &data);
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Keyer keyer(data.wpm, data.mode);
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while (true) {
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queue_try_remove(&keyerQueue, &data);
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switch (data.cmd) {
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case KeyerQueueCommand::Run:
keyer.run();
break;
case KeyerQueueCommand::Stop:
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keyer.stop();
data.cmd = KeyerQueueCommand::Wait;
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break;
case KeyerQueueCommand::Config:
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keyer.setSpeed(data.wpm);
keyer.setMode(data.mode);
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data.cmd = KeyerQueueCommand::Run;
break;
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case KeyerQueueCommand::Wait:
break;
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default:
break;
}
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}
}
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int main()
{
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// timer_hw->dbgpause = 2; // workaround for problem with debug and sleep_ms
// https://github.com/raspberrypi/pico-sdk/issues/1152#issuecomment-1418248639
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setup();
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printf("Hello from core0!\n");
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Settings settings{read_settings()};
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settings.wpm = 25; // TODO: remove!
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queue_init(&keyerQueue, sizeof(KeyerQueueData), 2);
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multicore_reset_core1();
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multicore_launch_core1(core1_main);
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KeyerQueueData keyerQueueData{KeyerQueueCommand::Run, settings.wpm, settings.mode};
queue_add_blocking(&keyerQueue, &keyerQueueData);
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while (true) {
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// Currently there's nothing to do on core0
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sleep_ms(1000);
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}
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return 0;
}