Leahnaya/Poke_Transporter_GB
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Switching to an interrupt timer based system

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This commit is contained in:
GearsProgress
2026-04-17 13:17:02 -04:00
parent be0fb6dcca 0ee063b03a
commit 3c26aec186
4 changed files with 64 additions and 38 deletions
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83
source/link_handler.cpp
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@@ -70,9 +70,9 @@ void print(const char *format, ...)
void setup(const u16 *debug_charset)
{
interrupt_init();
interrupt_set_handler(INTR_SERIAL, LINK_SPI_ISR_SERIAL);
interrupt_enable(INTR_SERIAL);
REG_TM3D = -0x4000;
REG_TM3CNT = TM_FREQ_1024 | TM_ENABLE;
irq_enable(II_TIMER3);
linkSPI->activate(LinkSPI::Mode::MASTER_256KBPS);
linkSPI->setWaitModeActive(false);
@@ -89,18 +89,18 @@ void setup(const u16 *debug_charset)
}
}
byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_ROM *curr_gb_rom, PokeBox *box, const u16 *debug_charset, bool cancel_connection)
byte handleIncomingByte()
{
switch (currLinkState->conState)
{
case HS:
currLinkState->mosi_delay = 4;
if (curr_gb_rom->generation == 2)
if (currLinkState->curr_gb_rom->generation == 2)
{
currLinkState->conState = ACK;
return 0x00;
}
if (in == 0x00)
if (currLinkState->in == 0x00)
{
currLinkState->conState = ACK;
return 0x01;
@@ -108,9 +108,9 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
break;
case ACK:
if (curr_gb_rom->generation == 2)
if (currLinkState->curr_gb_rom->generation == 2)
{
if (in == 0x61)
if (currLinkState->in == 0x61)
{
currLinkState->conState = MENU;
return 0x61;
@@ -119,12 +119,12 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
}
else
{
if (in == 0x00)
if (currLinkState->in == 0x00)
{
currLinkState->conState = MENU;
return 0x00;
}
else if (in == 0x02)
else if (currLinkState->in == 0x02)
{
currLinkState->conState = HS;
return 0x02;
@@ -133,7 +133,7 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
break;
case MENU:
if (in == 0x60 || in == 0x61)
if (currLinkState->in == 0x60 || currLinkState->in == 0x61)
{
{
u8 general_text_table_buffer[2048];
@@ -147,16 +147,16 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
link_animation_state(STATE_NO_ANIM);
currLinkState->conState = PRETRADE;
currLinkState->data_counter = 0;
return in;
return currLinkState->in;
}
else if (in == 0x02)
else if (currLinkState->in == 0x02)
{
currLinkState->conState = HS;
return 0x02;
}
else
{
return in;
return currLinkState->in;
}
break;
@@ -167,11 +167,11 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
currLinkState->conState = TRADE;
}
currLinkState->data_counter++;
if (curr_gb_rom->generation == 2)
if (currLinkState->curr_gb_rom->generation == 2)
{
return 0x61;
}
else if (curr_gb_rom->generation == 1 && curr_gb_rom->version == YELLOW_ID)
else if (currLinkState->curr_gb_rom->generation == 1 && currLinkState->curr_gb_rom->version == YELLOW_ID)
{
return 0xD5;
}
@@ -181,7 +181,7 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
}
break;
case TRADE:
if (in == 0xfd)
if (currLinkState->in == 0xfd)
{
{
u8 general_text_table_buffer[2048];
@@ -196,20 +196,20 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
currLinkState->mosi_delay = 1;
currLinkState->conState = PARTY_PREAMBLE;
}
return in;
return currLinkState->in;
break;
case PARTY_PREAMBLE:
if (in != 0xfd)
if (currLinkState->in != 0xfd)
{
currLinkState->conState = TRADE_DATA;
return exchange_parties(in, curr_payload);
return exchange_parties(currLinkState->in, currLinkState->curr_payload);
}
return in;
return currLinkState->in;
break;
case TRADE_DATA:
if (currLinkState->data_counter >= curr_gb_rom->payload_size)
if (currLinkState->data_counter >= currLinkState->curr_gb_rom->payload_size)
{
if (in == 0xFD)
if (currLinkState->in == 0xFD)
{
currLinkState->conState = BOX_PREAMBLE;
currLinkState->init_packet = true;
@@ -219,18 +219,18 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
return 0x00;
}
}
return exchange_parties(in, curr_payload);
return exchange_parties(currLinkState->in, currLinkState->curr_payload);
break;
case BOX_PREAMBLE:
if (in != 0xFD)
if (currLinkState->in != 0xFD)
{
currLinkState->conState = BOX_DATA;
return exchange_boxes(in, box_data_storage, curr_gb_rom, debug_charset);
return exchange_boxes(currLinkState->in, currLinkState->box_data_storage, currLinkState->curr_gb_rom, currLinkState->debug_charset);
}
return in;
return currLinkState->in;
break;
case BOX_DATA:
return exchange_boxes(in, box_data_storage, curr_gb_rom, debug_charset);
return exchange_boxes(currLinkState->in, currLinkState->box_data_storage, currLinkState->curr_gb_rom, currLinkState->debug_charset);
break;
case REBOOT:
currLinkState->data_counter = 0;
@@ -239,12 +239,12 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
break;
case REMOVE_ARRAY_PREAMBLE:
if (in != 0xFD)
if (currLinkState->in != 0xFD)
{
currLinkState->conState = SEND_REMOVE_ARRAY;
return exchange_remove_array(in, box, cancel_connection);
return exchange_remove_array(currLinkState->in, currLinkState->box, currLinkState->cancel_connection);
}
return in;
return currLinkState->in;
break;
case SEND_REMOVE_ARRAY:
@@ -253,15 +253,15 @@ byte handleIncomingByte(byte in, byte *box_data_storage, byte *curr_payload, GB_
currLinkState->conState = END2;
}
currLinkState->data_counter++;
return exchange_remove_array(in, box, cancel_connection);
return exchange_remove_array(currLinkState->in, currLinkState->box, currLinkState->cancel_connection);
break;
default:
return in;
return currLinkState->in;
break;
}
return 0; // This should never hit
return 0; // This should never hit but the compiler likes this being here
}
int loop(byte *box_data_storage, byte *curr_payload, GB_ROM *curr_gb_rom, PokeBox *box, const u16 *debug_charset, bool cancel_connection)
@@ -270,6 +270,14 @@ int loop(byte *box_data_storage, byte *curr_payload, GB_ROM *curr_gb_rom, PokeBo
#define NUM_LINES 8
int counter = 0;
char stuff[NUM_LINES][LINE_WIDTH];
currLinkState->box_data_storage = box_data_storage;
currLinkState->curr_payload = curr_payload;
currLinkState->curr_gb_rom = curr_gb_rom;
currLinkState->box = box;
currLinkState->debug_charset = debug_charset;
currLinkState->cancel_connection = cancel_connection;
while (true)
{
if (g_debug_options.print_link_data && key_held(KEY_L))
@@ -321,7 +329,7 @@ int loop(byte *box_data_storage, byte *curr_payload, GB_ROM *curr_gb_rom, PokeBo
}
}
currLinkState->out_data = handleIncomingByte(currLinkState->in_data, box_data_storage, curr_payload, curr_gb_rom, box, debug_charset, cancel_connection);
currLinkState->out_data = handleIncomingByte();
if (currLinkState->FF_count > (15 * 60))
{
@@ -374,6 +382,11 @@ int loop(byte *box_data_storage, byte *curr_payload, GB_ROM *curr_gb_rom, PokeBo
}
};
void handshake()
{
currLinkState->out_data = handleIncomingByte();
}
byte exchange_parties(byte curr_in, byte *curr_payload)
{
int ret = curr_payload[currLinkState->data_counter];