#!/bin/bash
# Copyright 2013, Sinclair R.F., Inc.

NAME=UART_Rx

cat <<EOF > good
48
65
6c
6c
6f
20
57
6f
72
6c
63
12
0d
0a
00
EOF

# Test +/-2.7% and 0% baud rates.
cp tb_UART_Rx.s-normal tb_UART_Rx.s;
for baud in 112089 115200 118310; do
  sed -e "s/115200/${baud}/" tb_${NAME}.9x8-good > tb_${NAME}.9x8;
  ../../../../../ssbcc -q -P monitor_stack tb_${NAME}.9x8 || { echo "${NAME} compile failed" > /dev/stderr; exit 1; }
  iverilog -o tb tb.v tb_${NAME}.v || { echo "${NAME} build failed" > /dev/stderr; exit 1; }
  ./tb > tb.out;
  if ! cmp -s tb.out good; then
    echo "${NAME} failed testing baud rate:  ${baud}" > /dev/stderr;
    exit 1;
  fi
done

# Partial test for input FIFO.
cp tb_UART_Rx.s-fifo tb_UART_Rx.s;
sed -e "s/G_BAUD$/G_BAUD inFIFO=16/" tb_${NAME}.9x8-good > tb_${NAME}.9x8;
../../../../../ssbcc -q -P monitor_stack tb_${NAME}.9x8 || { echo "${NAME} compile failed" > /dev/stderr; exit 1; }
iverilog -o tb tb.v tb_${NAME}.v || { echo "${NAME} build failed" > /dev/stderr; exit 1; }
./tb > tb.out
if ! cmp tb.out good; then
  echo "${NAME} FIFO test failed" > /dev/stderr;
  exit 1;
fi

echo "Passed:  ${NAME}";
exit 0;