mirror of https://github.com/ARMmbed/mbed-os.git
31 lines
752 B
C++
31 lines
752 B
C++
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#include "mbed.h"
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#include "TextLCD.h"
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int main() {
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printf("printf to stdout\n");
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// printf to specific peripherals
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Serial pc(USBTX, USBRX);
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pc.printf("Serial(USBTX, USBRX).printf\n");
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TextLCD lcd(p14, p15, p16, p17, p18, p19, p20, "lcd"); // rs, rw, e, d0-d3, name
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lcd.printf("TextLCD.printf\n");
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// change stdout to file
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LocalFileSystem local("local");
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freopen("/local/output.txt", "w", stdout);
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printf("printf redirected to LocalFileSystem\n");
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fclose(stdout);
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// change stdout to LCD
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freopen("/lcd", "w", stdout);
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printf("printf redirected to TextLCD\n");
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fclose(stdout);
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DigitalOut led(LED1);
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while (true) {
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led = !led;
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wait(1);
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}
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}
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