From 49894ed2cf2b79773aebe49ad3889bffc8ab6189 Mon Sep 17 00:00:00 2001 From: Matheus Date: Thu, 4 May 2023 19:57:16 -0300 Subject: [PATCH] keyboard: translate keycode to ascii on packet --- kernel-src/io/keyboard.c | 60 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/kernel-src/io/keyboard.c b/kernel-src/io/keyboard.c index 6f787338..167c9975 100644 --- a/kernel-src/io/keyboard.c +++ b/kernel-src/io/keyboard.c @@ -8,6 +8,14 @@ #define BUFFER_PACKET_CAPACITY 100 #define BUFFER_SIZE (BUFFER_PACKET_CAPACITY * sizeof(kbpacket_t)) +static char asciitable[] = { + 0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 0, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\n', 0, '/', 0, 0, '\n', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +static char asciitableupper[] = { + 0, '\033', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', '\b', '\t', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', 0, 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '\"', '~', 0, '|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', 0, '*', 0, ' ', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '7', '8', '9', '-', '4', '5', '6', '+', '1', '2', '3', '0', '.', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '\n', 0, '/', 0, 0, '\n', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + static int currentkbnum; keyboard_t *keyboard_console; @@ -32,6 +40,58 @@ static void destroykb(keyboard_t *kb) { void keyboard_sendpacket(keyboard_t *kb, kbpacket_t *packet) { interrupt_raiseipl(IPL_KEYBOARD); + switch (packet->keycode) { + case KEYCODE_LEFTCTRL: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_LEFTCTRL; + else + kb->flags |= KBPACKET_FLAGS_LEFTCTRL; + break; + case KEYCODE_RIGHTCTRL: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_RIGHTCTRL; + else + kb->flags |= KBPACKET_FLAGS_RIGHTCTRL; + break; + case KEYCODE_CAPSLOCK: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_CAPSLOCK; + else + kb->flags |= KBPACKET_FLAGS_CAPSLOCK; + break; + case KEYCODE_LEFTALT: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_LEFTALT; + else + kb->flags |= KBPACKET_FLAGS_LEFTALT; + break; + case KEYCODE_RIGHTALT: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_RIGHTALT; + else + kb->flags |= KBPACKET_FLAGS_RIGHTALT; + break; + case KEYCODE_LEFTSHIFT: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_LEFTSHIFT; + else + kb->flags |= KBPACKET_FLAGS_LEFTSHIFT; + break; + case KEYCODE_RIGHTSHIFT: + if (packet->flags & KBPACKET_FLAGS_RELEASED) + kb->flags &= ~KBPACKET_FLAGS_RIGHTSHIFT; + else + kb->flags |= KBPACKET_FLAGS_RIGHTSHIFT; + break; + } + + packet->flags |= kb->flags; + char* table = asciitable; + + if ((packet->flags & KBPACKET_FLAGS_LEFTSHIFT) || (packet->flags & KBPACKET_FLAGS_RIGHTSHIFT)) + table = asciitableupper; + + packet->ascii = table[packet->keycode]; if (ringbuffer_write(&kb->packetbuffer, packet, sizeof(kbpacket_t)) != 0) semaphore_signal(&kb->semaphore);