lattice開發錯誤集合（1）
modelsim版本：se 10.1a
使用modelsim仿真sdi IP 1.5時，sdi_tx_ip_beh.v文件出現如下錯誤：
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3436): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘gd8fcb1’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3436): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘ofcca60’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3436): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘ho58adb’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3437): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘pu9cf44’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3437): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘zk7cddb’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3442): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘tj3d3f1’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3449): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘psf1b87’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3449): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘en60848’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3449): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘rtd2d87’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3450): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘jcc5774’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3451): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘mt3c2cc’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3451): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘psd5c73’) must be constant.
** Error: E:\work\lattice\v9802g\programme\9802g_project_sdi_hdmi_202206170927\project_sdi_hdmi\modelsim\sdi_tx_ip_beh.v(3451): The expression for a parameter actual associated with the parameter name (‘pmi_family’) for the module instance (‘lde94fa’) must be constant.

問題原因：sdi_tx_ip_beh.v找不到預定義的參數，需要指定參數文件路徑。
解決辦法，在sdi_tx_ip_beh.v文件中加入`include “sdi_tx_ip_params.v”。

Error 61211113 Place & Route ERROR - I/O initial placement is unsuccessful. Please check the I/O placement constraints / user constraints (such as pin locking) carefully.
引腳名字錯了，注意大小寫。

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