Business-code/fpga/fpga_pwm_trace_project/scripts/program.sh

#!/bin/bash
set -euo pipefail

PROJECT="$(cd "$(dirname "$0")/.." && pwd)"
TD_DEFAULT="$(cd "$PROJECT/../.." && pwd)/TD_4.6.7_Linux/bin/td"
TD="${TD_BIN:-$TD_DEFAULT}"
BIT="$PROJECT/build/td/fpga_pwm_trace.bit"

if [ ! -x "$TD" ]; then
    echo "ERROR: TD executable not found: $TD" >&2
    exit 1
fi
if [ ! -s "$BIT" ]; then
    echo "ERROR: bitstream not found: $BIT" >&2
    echo "Run ./scripts/build.sh first." >&2
    exit 1
fi

# These are the exact low-level parameters previously verified on the real
# EF2L45 board: jtag_burst + cable 0 + SVF speed 4.
printf 'bit_to_vec -chip EF2L45B -m jtag_burst -bit %s\nprogram -cable 0 -mode svf -spd 4 -p\nexit\n' "$BIT" | "$TD"