Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 1 | #include <libpdbg.h> |
| 2 | |
| 3 | #include <attn_handler.hpp> |
Ben Tyner | 73ac368 | 2020-01-09 10:46:47 -0600 | [diff] [blame] | 4 | #include <attn_monitor.hpp> |
Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 5 | |
Ben Tyner | 970fd4f | 2020-02-19 13:46:42 -0600 | [diff] [blame] | 6 | #include <algorithm> |
| 7 | |
| 8 | /* |
| 9 | * @brief Search the command line arguments for an option |
| 10 | * |
| 11 | * @param i_begin command line args vector begin |
| 12 | * @param i_end command line args vector end |
| 13 | * @param i_option configuration option to look for |
| 14 | * |
| 15 | * @return true = option found on command line |
| 16 | */ |
| 17 | bool getCliOption(char** i_begin, char** i_end, const std::string& i_option) |
| 18 | { |
| 19 | return (i_end != std::find(i_begin, i_end, i_option)); |
| 20 | } |
| 21 | |
| 22 | /* |
| 23 | * @brief Search the command line arguments for a setting value |
| 24 | * |
| 25 | * @param i_begin command line args vector begin |
| 26 | * @param i_end command line args vectory end |
| 27 | * @param i_setting configuration setting to look for |
| 28 | * |
| 29 | * @return value of the setting or 0 if setting not found or value not given |
| 30 | */ |
| 31 | char* getCliSetting(char** i_begin, char** i_end, const std::string& i_setting) |
| 32 | { |
| 33 | char** value = std::find(i_begin, i_end, i_setting); |
| 34 | if (value != i_end && ++value != i_end) |
| 35 | { |
| 36 | return *value; |
| 37 | } |
| 38 | return 0; // nullptr |
| 39 | } |
| 40 | |
Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 41 | /** |
| 42 | * @brief Attention handler application main() |
| 43 | * |
| 44 | * This is the main interface to the Attention handler application, it will |
| 45 | * initialize the libgpd targets and start a gpio mointor. |
| 46 | * |
Ben Tyner | 970fd4f | 2020-02-19 13:46:42 -0600 | [diff] [blame] | 47 | * Command line arguments: |
| 48 | * |
| 49 | * breakpoints - enables breakpoint special attn handling |
| 50 | * |
Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 51 | * @return 0 = success |
| 52 | */ |
Ben Tyner | 970fd4f | 2020-02-19 13:46:42 -0600 | [diff] [blame] | 53 | int main(int argc, char* argv[]) |
Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 54 | { |
| 55 | int rc = 0; // return code |
| 56 | |
Ben Tyner | 73ac368 | 2020-01-09 10:46:47 -0600 | [diff] [blame] | 57 | gpiod_line* line; // gpio line to monitor |
| 58 | |
| 59 | boost::asio::io_service io; // async io monitoring service |
| 60 | |
Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 61 | // initialize pdbg targets |
| 62 | pdbg_targets_init(nullptr); |
| 63 | |
Ben Tyner | 73ac368 | 2020-01-09 10:46:47 -0600 | [diff] [blame] | 64 | // GPIO line configuration (falling edge, active low) |
| 65 | struct gpiod_line_request_config config |
| 66 | { |
| 67 | "attention", GPIOD_LINE_REQUEST_EVENT_FALLING_EDGE, 0 |
| 68 | }; |
| 69 | |
| 70 | // get handle to attention GPIO line |
| 71 | line = gpiod_line_get("gpiochip0", 74); |
| 72 | |
| 73 | if (nullptr == line) |
| 74 | { |
| 75 | rc = 1; // error |
| 76 | } |
| 77 | else |
| 78 | { |
Ben Tyner | 970fd4f | 2020-02-19 13:46:42 -0600 | [diff] [blame] | 79 | // Check command line args for breakpoint handling enable option |
| 80 | bool bp_enable = getCliOption(argv, argv + argc, "-breakpoints"); |
| 81 | |
Ben Tyner | 73ac368 | 2020-01-09 10:46:47 -0600 | [diff] [blame] | 82 | // Creating a vector of one gpio to monitor |
| 83 | std::vector<std::unique_ptr<attn::AttnMonitor>> gpios; |
Ben Tyner | 970fd4f | 2020-02-19 13:46:42 -0600 | [diff] [blame] | 84 | gpios.push_back( |
| 85 | std::make_unique<attn::AttnMonitor>(line, config, io, bp_enable)); |
Ben Tyner | 73ac368 | 2020-01-09 10:46:47 -0600 | [diff] [blame] | 86 | |
| 87 | io.run(); // start GPIO monitor |
| 88 | } |
| 89 | |
Ben Tyner | ef32015 | 2020-01-09 10:31:23 -0600 | [diff] [blame] | 90 | return rc; |
| 91 | } |