flipperzero-firmware/applications/examples/uart_write.c
coreglitch 4dc82b68d1
UART write example (#53)
* Rename test functions

* rewrite furi API, segfault

* make fixes in FURI, log through FURI

* add uart write example blank

* implement fuprintf instead of fopencookie

* add gif, blank page

* UART write example description

Co-authored-by: Vadim Kaushan <admin@disasm.info>
2020-08-26 21:32:22 +03:00

33 lines
827 B
C

#include "flipper.h"
#include <string.h>
#include "log.h"
void application_uart_write(void* p) {
// Red led for showing progress
GpioPin led = {.pin = GPIO_PIN_8, .port = GPIOA};
pinMode(led, GpioModeOpenDrain);
// get_default_log open "tty" record
FuriRecordSubscriber* log = get_default_log();
// create buffer
const char test_string[] = "test\n";
furi_write(log, test_string, strlen(test_string));
// for example, create counter and show its value
uint8_t counter = 0;
while(1) {
// continously write it to UART
fuprintf(log, "counter: %d\n", counter);
counter++;
// flash at every send
digitalWrite(led, LOW);
delay(50);
digitalWrite(led, HIGH);
// delay with overall perion of 1s
delay(950);
}
}