bananatools/board/najv4.c

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C
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2023-01-03 04:35:53 +00:00
#include <windows.h>
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "board/najv4.h"
#include "jvs/jvs-bus.h"
#include "jvs/jvs-cmd.h"
#include "jvs/jvs-util.h"
#include "util/dprintf.h"
#include "util/dump.h"
static void najv4_transact(
struct jvs_node *node,
const void *bytes,
size_t nbytes,
struct iobuf *resp);
static bool najv4_sense(struct jvs_node *node);
static HRESULT najv4_cmd(
void *ctx,
struct const_iobuf *req,
struct iobuf *resp);
static HRESULT najv4_cmd_read_id(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_get_cmd_version(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_get_jvs_version(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_get_comm_version(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_get_features(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_write_pcb_info(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_read_switches(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_read_coin(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_read_analogs(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_analog_out(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
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static HRESULT najv4_cmd_write_gpio(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_reset(struct najv4 *najv4, struct const_iobuf *buf);
static HRESULT najv4_cmd_assign_addr(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_namco_extend_cmd(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT najv4_cmd_namco_extend_noop_cmd(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static const uint8_t najv4_ident[] = "namco ltd.;NA-JV;Ver4.00;JPN,Multipurpose";
static uint8_t najv4_features[] = {
/* Feature : 0x01 : Players and switches
Param1 : 1 : Number of players
Param2 : 18 : Number of switches per player
Param3 : 0 : N/A */
0x01,
0x01,
0x18,
0x00,
/* Feature : 0x02 : Coin slots
Param1 : 2 : Number of coin slots
Param2 : 0 : N/A
Param3 : 0 : N/A */
0x02,
0x02,
0x00,
0x00,
/* Feature : 0x03 : Analog inputs
Param1 : 8 : Number of ADC channels
Param2 : 10 : Effective bits of resolution per ADC
Param3 : 0 : N/A */
0x03,
0x08,
0x10,
0x00,
/* Feature : 0x04 : Rotary Input
Param1 : 4 : Number of Rotary channels
Param2 : 0 : N/A
Param3 : 0 : N/A */
0x04,
0x04,
0x00,
0x00,
/* Feature : 0x12 : GPIO outputs
Param1 : 3 : Number of ports (8 bits per port)
Param2 : 0 : N/A
Param3 : 0 : N/A
*/
0x12,
0x12,
0x00,
0x00,
/* Feature : 0x13 : Analog outputs
Param1 : 2 : Number of channels
Param2 : 0 : N/A
Param3 : 0 : N/A
*/
0x13,
0x02,
0x00,
0x00,
/* Feature : 0x14 : Character Output
Param1 : 0x50 : Width
Param2 : 0x19 : Height
Param3 : 0 : Type
*/
0x14,
0x50,
0x19,
0x00,
/* Feature : 0x00 : End of capabilities */
0x00,
};
void najv4_init(
struct najv4 *najv4,
struct jvs_node *next,
const struct najv4_ops *ops,
void *ops_ctx)
{
assert(najv4 != NULL);
assert(ops != NULL);
najv4->jvs.next = next;
najv4->jvs.transact = najv4_transact;
najv4->jvs.sense = najv4_sense;
najv4->addr = 0xFF;
najv4->ops = ops;
najv4->ops_ctx = ops_ctx;
}
struct jvs_node *najv4_to_jvs_node(struct najv4 *najv4)
{
assert(najv4 != NULL);
return &najv4->jvs;
}
static void najv4_transact(
struct jvs_node *node,
const void *bytes,
size_t nbytes,
struct iobuf *resp)
{
struct najv4 *najv4;
assert(node != NULL);
assert(bytes != NULL);
assert(resp != NULL);
najv4 = CONTAINING_RECORD(node, struct najv4, jvs);
jvs_crack_request(bytes, nbytes, resp, najv4->addr, najv4_cmd, najv4);
}
static bool najv4_sense(struct jvs_node *node)
{
struct najv4 *najv4;
assert(node != NULL);
najv4 = CONTAINING_RECORD(node, struct najv4, jvs);
return najv4->addr == 0xFF;
}
static HRESULT najv4_cmd(
void *ctx,
struct const_iobuf *req,
struct iobuf *resp)
{
struct najv4 *najv4;
najv4 = ctx;
switch (req->bytes[req->pos]) {
case JVS_CMD_READ_ID:
return najv4_cmd_read_id(najv4, req, resp);
case JVS_CMD_GET_CMD_VERSION:
return najv4_cmd_get_cmd_version(najv4, req, resp);
case JVS_CMD_GET_JVS_VERSION:
return najv4_cmd_get_jvs_version(najv4, req, resp);
case JVS_CMD_GET_COMM_VERSION:
return najv4_cmd_get_comm_version(najv4, req, resp);
case JVS_CMD_GET_FEATURES:
return najv4_cmd_get_features(najv4, req, resp);
case JVS_CMD_WRITE_PCB_INFO:
return najv4_cmd_write_pcb_info(najv4, req, resp);
case JVS_CMD_READ_SWITCHES:
return najv4_cmd_read_switches(najv4, req, resp);
case JVS_CMD_READ_COIN:
return najv4_cmd_read_coin(najv4, req, resp);
case JVS_CMD_READ_ANALOGS:
return najv4_cmd_read_analogs(najv4, req, resp);
case JVS_CMD_ANALOG_OUT:
return najv4_cmd_analog_out(najv4, req, resp);
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case JVS_CMD_WRITE_GPIO:
return najv4_cmd_write_gpio(najv4, req, resp);
case JVS_CMD_RESET:
return najv4_cmd_reset(najv4, req);
case JVS_CMD_ASSIGN_ADDR:
return najv4_cmd_assign_addr(najv4, req, resp);
case JVS_CMD_NAMCO_EXTEND:
return najv4_cmd_namco_extend_cmd(najv4, req, resp);
default:
dprintf("JVS I/O: Node %02x: Unhandled command byte %02x\n",
najv4->addr,
req->bytes[req->pos]);
return E_NOTIMPL;
}
}
static HRESULT najv4_cmd_read_id(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t req;
HRESULT hr;
hr = iobuf_read_8(req_buf, &req);
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Read ID\n");
/* Write report byte */
hr = iobuf_write_8(resp_buf, 0x01);
if (FAILED(hr)) {
return hr;
}
/* Write the identification string. The NUL terminator at the end of this C
string is also sent, and it naturally terminates the response chunk. */
return iobuf_write(resp_buf, najv4_ident, sizeof(najv4_ident));
}
static HRESULT najv4_cmd_get_cmd_version(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t req;
uint8_t resp[2];
HRESULT hr;
hr = iobuf_read_8(req_buf, &req);
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Get command format version\n");
resp[0] = 0x01; /* Report byte */
resp[1] = 0x13; /* Command format version BCD */
return iobuf_write(resp_buf, resp, sizeof(resp));
}
static HRESULT najv4_cmd_get_jvs_version(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t req;
uint8_t resp[2];
HRESULT hr;
hr = iobuf_read_8(req_buf, &req);
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Get JVS version\n");
resp[0] = 0x01; /* Report byte */
resp[1] = 0x31; /* JVS version BCD */
return iobuf_write(resp_buf, resp, sizeof(resp));
}
static HRESULT najv4_cmd_get_comm_version(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t req;
uint8_t resp[2];
HRESULT hr;
hr = iobuf_read_8(req_buf, &req);
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Get communication version\n");
resp[0] = 0x01; /* Report byte */
resp[1] = 0x10; /* "Communication version" BCD */
return iobuf_write(resp_buf, resp, sizeof(resp));
}
static HRESULT najv4_cmd_get_features(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t req;
HRESULT hr;
hr = iobuf_read_8(req_buf, &req);
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Get features\n");
hr = iobuf_write_8(resp_buf, 0x01); /* Write report byte */
if (FAILED(hr)) {
return hr;
}
return iobuf_write(resp_buf, najv4_features, sizeof(najv4_features));
}
static HRESULT najv4_cmd_write_pcb_info(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t strlen = (int)req_buf->nbytes - 4; // subtract 2 bytes at the begining, command byte, and sync byte
uint8_t cmd;
uint8_t info[100]; // No more then 100 characters
dprintf("JVS I/O: PCB Info ");
iobuf_read_8(req_buf, &cmd);
iobuf_read(req_buf, info, strlen);
dprintf("%s\n", info);
// Just acknowlage we read it
return iobuf_write_8(resp_buf, 0x01);
}
static HRESULT najv4_cmd_read_switches(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
struct jvs_req_read_switches req;
struct najv4_switch_state state;
HRESULT hr;
/* Read req */
hr = iobuf_read(req_buf, &req, sizeof(req));
if (FAILED(hr)) {
return hr;
}
#if 0
dprintf("JVS I/O: Read switches, np=%i, bpp=%i\n",
req.num_players,
req.bytes_per_player);
#endif
/* Build response */
hr = iobuf_write_8(resp_buf, 0x01); /* Report byte */
if (FAILED(hr)) {
return hr;
}
memset(&state, 0, sizeof(state));
if (najv4->ops != NULL) {
najv4->ops->read_switches(najv4->ops_ctx, &state);
}
hr = iobuf_write_8(resp_buf, state.system); /* Test, Tilt lines */
if (FAILED(hr)) {
return hr;
}
if (req.num_players > 0) {
hr = iobuf_write_be16(resp_buf, state.p1);
if (FAILED(hr)) {
return hr;
}
}
if (req.num_players > 1) {
hr = iobuf_write_be16(resp_buf, state.p2);
if (FAILED(hr)) {
return hr;
}
}
hr = iobuf_write_8(resp_buf, 0x00); // Not sure what this byte is but it needs to be here
return hr;
}
static HRESULT najv4_cmd_read_coin(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
struct jvs_req_read_coin req;
uint16_t ncoins;
uint8_t i;
HRESULT hr;
/* Read req */
hr = iobuf_read(req_buf, &req, sizeof(req));
if (FAILED(hr)) {
return hr;
}
//dprintf("JVS I/O: Read coin, nslots=%i\n", req.nslots);
/* Write report byte */
hr = iobuf_write_8(resp_buf, 0x01);
if (FAILED(hr)) {
return hr;
}
/* Write slot detail */
for (i = 0 ; i < req.nslots ; i++) {
ncoins = 0;
if (najv4->ops->read_coin_counter != NULL) {
najv4->ops->read_coin_counter(najv4->ops_ctx, i, &ncoins);
}
hr = iobuf_write_be16(resp_buf, ncoins);
if (FAILED(hr)) {
return hr;
}
}
return hr;
}
static HRESULT najv4_cmd_read_analogs(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
struct jvs_req_read_analogs req;
uint16_t analogs[8];
uint8_t i;
HRESULT hr;
/* Read req */
hr = iobuf_read(req_buf, &req, sizeof(req));
if (FAILED(hr)) {
return hr;
}
if (req.nanalogs > _countof(analogs)) {
dprintf("JVS I/O: Invalid analog count %i\n", req.nanalogs);
return E_FAIL;
}
//dprintf("JVS I/O: Read analogs, nanalogs=%i\n", req.nanalogs);
/* Write report byte */
hr = iobuf_write_8(resp_buf, 0x01);
if (FAILED(hr)) {
return hr;
}
/* Write analogs */
memset(analogs, 0, sizeof(analogs));
if (najv4->ops->read_analogs != NULL) {
najv4->ops->read_analogs(najv4->ops_ctx, analogs, req.nanalogs);
}
for (i = 0 ; i < req.nanalogs ; i++) {
hr = iobuf_write_be16(resp_buf, analogs[i]);
if (FAILED(hr)) {
return hr;
}
}
return hr;
}
static HRESULT najv4_cmd_analog_out(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t cmd;
uint8_t channel_ct;
uint16_t bytes[MAX_PATH];
HRESULT hr;
hr = iobuf_read_8(req_buf, &cmd);
if (FAILED(hr)) {
return hr;
}
hr = iobuf_read_8(req_buf, &channel_ct);
if (FAILED(hr)) {
return hr;
}
for (int i = 0; i < channel_ct; i++) {
iobuf_read_be16(req_buf, &bytes[i]);
}
//dprintf("JVS I/O: Write Analog Out to %d channels\n", channel_ct);
return iobuf_write_8(resp_buf, 0x01);
}
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static HRESULT najv4_cmd_write_gpio(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t cmd;
uint8_t nbytes;
uint8_t bytes[3];
HRESULT hr;
/* Read request header */
hr = iobuf_read_8(req_buf, &cmd);
if (FAILED(hr)) {
return hr;
}
hr = iobuf_read_8(req_buf, &nbytes);
if (FAILED(hr)) {
return hr;
}
if (nbytes > 3) {
dprintf("JVS I/O: Invalid GPIO write size %i\n", nbytes);
hr = iobuf_write_8(resp_buf, 0x02);
if (FAILED(hr)) {
return hr;
}
return E_FAIL;
}
/* Read payload */
memset(bytes, 0, sizeof(bytes));
hr = iobuf_read(req_buf, bytes, nbytes);
if (FAILED(hr)) {
return hr;
}
if (najv4->ops->write_gpio != NULL) {
najv4->ops->write_gpio(
najv4->ops_ctx,
bytes[0] | (bytes[1] << 8) | (bytes[2] << 16));
}
/* Write report byte */
return iobuf_write_8(resp_buf, 0x01);
}
static HRESULT najv4_cmd_reset(struct najv4 *najv4, struct const_iobuf *req_buf)
{
struct jvs_req_reset req;
HRESULT hr;
hr = iobuf_read(req_buf, &req, sizeof(req));
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Reset (param %02x)\n", req.unknown);
najv4->addr = 0xFF;
if (najv4->ops->reset != NULL) {
najv4->ops->reset(najv4->ops_ctx);
}
/* No ack for this since it really is addressed to everybody */
return S_OK;
}
static HRESULT najv4_cmd_assign_addr(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
struct jvs_req_assign_addr req;
bool sense;
HRESULT hr;
hr = iobuf_read(req_buf, &req, sizeof(req));
if (FAILED(hr)) {
return hr;
}
sense = jvs_node_sense(najv4->jvs.next);
dprintf("JVS I/O: Assign addr %02x sense %i\n", req.addr, sense);
if (sense) {
/* That address is for somebody else */
return S_OK;
}
najv4->addr = req.addr;
return iobuf_write_8(resp_buf, 0x01);
}
static HRESULT najv4_cmd_namco_extend_cmd(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
switch(req_buf->bytes[req_buf->pos + 1]) {
case JVS_NAMCO_EXTEND_CMD_NOOP_18:
return najv4_cmd_namco_extend_noop_cmd(najv4, req_buf, resp_buf);
default:
dprintf("JVS I/O: Node %X Unknown Namco Extended command %X\n",
najv4->addr,
req_buf->bytes[req_buf->pos + 1]);
return E_NOTIMPL;
}
}
static HRESULT najv4_cmd_namco_extend_noop_cmd(
struct najv4 *najv4,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
uint8_t strlen = (int)req_buf->nbytes - 9;
uint8_t info[100];
uint8_t cmd;
uint8_t subcmd;
uint16_t hardcode;
uint16_t param;
HRESULT hr;
hr = iobuf_read_8(req_buf, &cmd); // cmd (0x70)
hr = iobuf_read_8(req_buf, &subcmd); // subcmd (0x18)
hr = iobuf_read_be16(req_buf, &hardcode); // some constant (0x504c)
hr = iobuf_read_be16(req_buf, &param); // param1
if (FAILED(hr)) {
return hr;
}
dprintf("JVS I/O: Namco Extended Command 0x18 param: %X", param);
switch (param) {
case 0x14d0: // read some string
hr = iobuf_read(req_buf, info, strlen);
if (FAILED(hr)) {
return hr;
}
dprintf("\t%s\n", info);
return iobuf_write_8(resp_buf, 1);
case 0x14B4:
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case 0x143c: // Run it back??
hr = iobuf_read_8(req_buf, &cmd); // cmd (0x70)
hr = iobuf_read_8(req_buf, &subcmd); // subcmd (0x18)
hr = iobuf_read_be16(req_buf, &hardcode); // some constant (0x504c)
hr = iobuf_read_be16(req_buf, &param); // param1
dprintf("\tsecond param: %X\n", param);
return iobuf_write_8(resp_buf, 1);
default:
dprintf("\nJVS I/O: Namco Extended Command 0x18 param unknown! %04X\n", param);
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dump_const_iobuf(req_buf);
return iobuf_write_8(resp_buf, 1);
}
}