Files
pico-examples/multicore/hello_multicore/multicore.c
graham sanderson 46078742c7 Initial Release
2021-01-20 16:45:01 -06:00

48 lines
955 B
C

/**
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdio.h>
#include "pico/stdlib.h"
#include "pico/multicore.h"
#define FLAG_VALUE 123
void core1_entry() {
multicore_fifo_push_blocking(FLAG_VALUE);
uint32_t g = multicore_fifo_pop_blocking();
if (g != FLAG_VALUE)
printf("Hmm, that's not right on core 1!\n");
else
printf("Its all gone well on core 1!");
while (1)
tight_loop_contents();
}
int main() {
stdio_init_all();
printf("Hello, multicore!\n");
///tag::setup_multicore[]
multicore_launch_core1(core1_entry);
// Wait for it to start up
uint32_t g = multicore_fifo_pop_blocking();
if (g != FLAG_VALUE)
printf("Hmm, that's not right on core 0!\n");
else {
multicore_fifo_push_blocking(FLAG_VALUE);
printf("It's all gone well on core 0!");
}
///end::setup_multicore[]
}