'hardening' infrastucture against toolchain bugs

[arm-crypto-lib.git] / test_src / uart_i.c

diff --git a/test_src/uart_i.c b/test_src/uart_i.c
index 1eb421edd6fcce62a0bb9c64c9ba07bba60f2f5f..539dc222c81d72d1d145ec73cce4a91750f4060a 100644 (file)
--- a/test_src/uart_i.c
+++ b/test_src/uart_i.c
@@ -272,6 +272,8 @@ void uart_flush(uint8_t uartno){
        if(uartno>UART_MAX){
                return;
        }
+       while(circularbytebuffer_cnt(&(uart_tx_buffer[uartno])))
+               ;
        while((HW_REG(uart_base[uartno]+UARTCTL_OFFSET)&_BV(UART_EOT)) == 0)
                ;
 }