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serial_putc waits for the transmission to complete

pull/11816/head
d-kato 2019-11-06 20:48:30 +09:00
parent 076bbe9d56
commit 86f648d0b7
1 changed files with 1 additions and 0 deletions
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targets/TARGET_RENESAS/TARGET_RZ_A1XX/serial_api.c
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@ -592,6 +592,7 @@ void serial_putc(serial_t *obj, int c) {
while (!serial_writable(obj)); while (!serial_writable(obj));
obj->serial.uart->SCFTDR = c; obj->serial.uart->SCFTDR = c;
serial_put_done(obj); serial_put_done(obj);
while ((obj->serial.uart->SCFSR & 0x40) == 0); // Wait TEND = 1
} }
static void serial_put_done(serial_t *obj) static void serial_put_done(serial_t *obj)