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[M487] Change comment for serial_getc/serial_putc

pull/4608/head
ccli8 2017-05-09 09:32:25 +08:00
parent e3fb76f0d9
commit 00b69c7ddd
1 changed files with 2 additions and 2 deletions
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4
targets/TARGET_NUVOTON/TARGET_M480/serial_api.c
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@ -427,7 +427,7 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
int serial_getc(serial_t *obj) int serial_getc(serial_t *obj)
{ {
// TODO: Fix every byte access requires accompaniment of one interrupt. This has side effect of performance degradation. // NOTE: Every byte access requires accompaniment of one interrupt. This has side effect of performance degradation.
while (! serial_readable(obj)); while (! serial_readable(obj));
int c = UART_READ(((UART_T *) NU_MODBASE(obj->serial.uart))); int c = UART_READ(((UART_T *) NU_MODBASE(obj->serial.uart)));
@ -442,7 +442,7 @@ int serial_getc(serial_t *obj)
void serial_putc(serial_t *obj, int c) void serial_putc(serial_t *obj, int c)
{ {
// TODO: Fix every byte access requires accompaniment of one interrupt. This has side effect of performance degradation. // NOTE: Every byte access requires accompaniment of one interrupt. This has side effect of performance degradation.
while (! serial_writable(obj)); while (! serial_writable(obj));
UART_WRITE(((UART_T *) NU_MODBASE(obj->serial.uart)), c); UART_WRITE(((UART_T *) NU_MODBASE(obj->serial.uart)), c);