riscv
/
OpenFPGA
mirror of https://github.com/lnis-uofu/OpenFPGA.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[lib] developing the support on forcing pin direction from a specific column in pin table .csv

This commit is contained in:
tangxifan 2022-10-17 12:23:39 -07:00
parent 8b00bfdff9
commit dbbabbc098
1 changed files with 23 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
libs/libpcf/src/io/read_csv_io_pin_table.cpp
View File

@ -18,6 +18,14 @@
/* Begin namespace openfpga */
namespace openfpga {
/* Constants for io pin table csv parser */
constexpr const int ROW_INDEX_INTERNAL_PIN = 4;
constexpr const int ROW_INDEX_EXTERNAL_PIN = 5;
constexpr const int ROW_INDEX_DIRECTION = 6;
constexpr const int ROW_INDEX_SIDE = 0;
constexpr const char* DIRECTION_INPUT = "in";
constexpr const char* DIRECTION_OUTPUT = "out";
/********************************************************************
* Parse XML codes about <pin_constraints> to an object of PinConstraints
*******************************************************************/
@ -40,13 +48,13 @@ IoPinTable read_csv_io_pin_table(const char* fname) {
std::vector<std::string> row_vec = doc.GetRow<std::string>(irow);
IoPinTableId pin_id = io_pin_table.create_pin();
/* Fill pin-level information */
PortParser internal_pin_parser(row_vec.at(4));
PortParser internal_pin_parser(row_vec.at(ROW_INDEX_INTERNAL_PIN));
io_pin_table.set_internal_pin(pin_id, internal_pin_parser.port());
PortParser external_pin_parser(row_vec.at(5));
PortParser external_pin_parser(row_vec.at(ROW_INDEX_EXTERNAL_PIN));
io_pin_table.set_external_pin(pin_id, external_pin_parser.port());
std::string pin_side_str = row_vec.at(0);
std::string pin_side_str = row_vec.at(ROW_INDEX_SIDE);
if (side_str_map.end() == side_str_map.find(pin_side_str)) {
VTR_LOG(
"Invalid side defintion (='%s')! Expect [TOP|RIGHT|LEFT|BOTTOM]\n",
@ -69,6 +77,18 @@ IoPinTable read_csv_io_pin_table(const char* fname) {
"Invalid direction defintion! Expect [A2F|F2A] in the pin name\n");
exit(1);
}
/* Parse pin direction from a specific column, this has a higher priority than inferring from pin names */
std::string port_dir_str = row_vec.at(ROW_INDEX_DIRECTION);
if (port_dir_str == std::string(DIRECTION_INPUT)) {
io_pin_table.set_pin_direction(pin_id, IoPinTable::INPUT);
} else if (port_dir_str == std::string(DIRECTION_OUTPUT)) {
io_pin_table.set_pin_direction(pin_id, IoPinTable::OUTPUT);
} else {
VTR_LOG(
"Invalid direction defintion! Expect [%s|%s] in the GPIO direction\n", DIRECTION_INPUT, DIRECTION_OUTPUT);
exit(1);
}
}
return io_pin_table;