diff options
| -rw-r--r-- | bsps/arm/atsam/console/console.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/bsps/arm/atsam/console/console.c b/bsps/arm/atsam/console/console.c index 5ef4327e11..0802ca2155 100644 --- a/bsps/arm/atsam/console/console.c +++ b/bsps/arm/atsam/console/console.c @@ -145,8 +145,9 @@ static void atsam_uart_interrupt(void *arg) } } - if (ctx->transmitting && (sr & UART_SR_TXEMPTY) != 0) { + while (ctx->transmitting && (sr & UART_SR_TXRDY) != 0) { rtems_termios_dequeue_characters(tty, 1); + sr = regs->UART_SR; } } #endif @@ -408,16 +409,16 @@ static void atsam_uart_write( if (len > 0) { ctx->transmitting = true; regs->UART_THR = buf[0]; - regs->UART_IER = UART_IDR_TXEMPTY; + regs->UART_IER = UART_IDR_TXRDY; } else { ctx->transmitting = false; - regs->UART_IDR = UART_IDR_TXEMPTY; + regs->UART_IDR = UART_IDR_TXRDY; } #else size_t i; for (i = 0; i < len; ++i) { - while ((regs->UART_SR & UART_SR_TXEMPTY) == 0) { + while ((regs->UART_SR & UART_SR_TXRDY) == 0) { /* Wait */ } |