119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
#include <bit>
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#include "maple/maple_bus_ft6_key_scan_codes.hpp"
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#include "maple/maple_bus_commands.hpp"
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#include "maple/maple_bus_bits.hpp"
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#include "maple/maple_host_command_writer.hpp"
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#include "sh7091/serial.hpp"
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#include "keyboard.hpp"
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void keyboard_do_get_condition(ft6::data_transfer::data_format& data)
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{
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uint32_t send_buf[1024] __attribute__((aligned(32)));
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uint32_t recv_buf[1024] __attribute__((aligned(32)));
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auto writer = maple::host_command_writer(send_buf, recv_buf);
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using command_type = get_condition;
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using response_type = data_transfer<ft6::data_transfer::data_format>;
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auto [host_command, host_response]
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= writer.append_command_all_ports<command_type, response_type>();
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host_command->bus_data.data_fields.function_type = std::byteswap(function_type::keyboard);
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maple::dma_start(send_buf, writer.send_offset,
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recv_buf, writer.recv_offset);
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for (uint8_t port = 0; port < 4; port++) {
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auto& bus_data = host_response[port].bus_data;
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auto& data_fields = bus_data.data_fields;
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if (bus_data.command_code != response_type::command_code) {
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continue;
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}
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if ((std::byteswap(data_fields.function_type) & function_type::keyboard) == 0) {
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continue;
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}
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data.modifier_key = data_fields.data.modifier_key;
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data.led_state = data_fields.data.led_state;
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data.scan_code_array[0] = data_fields.data.scan_code_array[0];
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data.scan_code_array[1] = data_fields.data.scan_code_array[1];
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data.scan_code_array[2] = data_fields.data.scan_code_array[2];
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data.scan_code_array[3] = data_fields.data.scan_code_array[3];
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data.scan_code_array[4] = data_fields.data.scan_code_array[4];
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data.scan_code_array[5] = data_fields.data.scan_code_array[5];
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return;
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}
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}
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void keyboard_debug(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix)
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{
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uint32_t this_frame = (frame_ix + 0) & 1;
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bool difference = false;
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for (int i = 0; i < 6; i++) {
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if (keyboards[0].scan_code_array[i] != keyboards[1].scan_code_array[i]) {
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difference = true;
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break;
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}
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}
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if (difference) {
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for (int i = 0; i < 6; i++) {
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serial::integer<uint8_t>(keyboards[this_frame].scan_code_array[i], ' ');
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}
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serial::string("\n");
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}
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}
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static inline bool is_shifted(const uint8_t modifier_key)
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{
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return
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(ft6::data_transfer::modifier_key::right_shift() & modifier_key) ||
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(ft6::data_transfer::modifier_key::left_shift() & modifier_key);
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}
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void keyboard_update(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix, gap_buffer& gb)
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{
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uint32_t this_frame = (frame_ix + 0) & 1;
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uint32_t next_frame = (frame_ix + 1) & 1;
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for (int i = 0; i < 6; i++) {
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if (keyboards[this_frame].scan_code_array[i] == ft6::scan_code::no_operation)
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break;
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if (i < 5 && keyboards[this_frame].scan_code_array[i + 1] != ft6::scan_code::no_operation)
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continue;
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bool make = true;
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for (int j = 0; j < 6; j++) {
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if (keyboards[next_frame].scan_code_array[j] == keyboards[this_frame].scan_code_array[i]) {
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make = false;
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break;
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}
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}
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if (make) {
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// make
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uint8_t scan_code = keyboards[this_frame].scan_code_array[i];
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if (scan_code <= ft6::scan_code::last_printable) {
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bool shifted = is_shifted(keyboards[this_frame].modifier_key);
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char_type code_point = ft6::scan_code::code_point[scan_code][shifted];
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if (code_point != 0) {
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gap_append(gb, code_point);
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continue;
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}
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}
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switch (scan_code) {
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case ft6::scan_code::_return: gap_append(gb, '\n'); break;
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case ft6::scan_code::backspace: gap_pop(gb); break;
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case ft6::scan_code::spacebar: gap_append(gb, ' '); break;
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case ft6::scan_code::left_arrow: gap_cursor_pos(gb, -1); break;
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case ft6::scan_code::right_arrow: gap_cursor_pos(gb, 1); break;
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case ft6::scan_code::up_arrow: gap_cursor_pos_line(gb, -1); break;
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case ft6::scan_code::down_arrow: gap_cursor_pos_line(gb, 1); break;
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default:
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break;
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}
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}
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}
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}
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