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io3: added basic rotary input support

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Dniel97 2024-05-12 19:39:56 +02:00
parent 517469a60c
commit b77ce7b457
Signed by untrusted user: Dniel97
GPG Key ID: 6180B3C768FB2E08
2 changed files with 70 additions and 0 deletions
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69
board/io3.c
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@ -79,6 +79,11 @@ static HRESULT io3_cmd_read_analogs(
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT io3_cmd_read_rotarys(
struct io3 *io3,
struct const_iobuf *req_buf,
struct iobuf *resp_buf);
static HRESULT io3_cmd_write_gpio(
struct io3 *io3,
struct const_iobuf *req_buf,
@ -116,6 +121,13 @@ static uint8_t io3_features[] = {
0x03, 8, 10, 0,
/* Feature : 0x04 : Rotary inputs
Param1 : 4 : Number of rotary channels
Param2 : 0 : N/A
Param3 : 0 : N/A */
0x04, 4, 0, 0,
/* Feature : 0x12 : GPIO outputs
Param1 : 3 : Number of ports (8 bits per port)
Param2 : 0 : N/A
@ -219,6 +231,9 @@ static HRESULT io3_cmd(
case JVS_CMD_READ_ANALOGS:
return io3_cmd_read_analogs(io3, req, resp);
case JVS_CMD_READ_ROTARYS:
return io3_cmd_read_rotarys(io3, req, resp);
case JVS_CMD_WRITE_GPIO:
return io3_cmd_write_gpio(io3, req, resp);
@ -536,6 +551,60 @@ static HRESULT io3_cmd_read_analogs(
}
static HRESULT io3_cmd_read_rotarys(
struct io3 *io3,
struct const_iobuf *req_buf,
struct iobuf *resp_buf)
{
struct jvs_req_read_rotarys req;
uint16_t rotarys[4];
uint8_t i;
HRESULT hr;
/* Read req */
hr = iobuf_read(req_buf, &req, sizeof(req));
if (FAILED(hr)) {
return hr;
}
if (req.nrotarys > _countof(rotarys)) {
dprintf("JVS I/O: Invalid analog count %i\n", req.nrotarys);
return E_FAIL;
}
//dprintf("JVS I/O: Read rotarys, nrotarys=%i\n", req.nrotarys);
/* Write report byte */
hr = iobuf_write_8(resp_buf, 0x01);
if (FAILED(hr)) {
return hr;
}
/* Write analogs */
memset(rotarys, 0, sizeof(rotarys));
if (io3->ops->read_rotarys != NULL) {
io3->ops->read_rotarys(io3->ops_ctx, rotarys, req.nrotarys);
}
for (i = 0 ; i < req.nrotarys ; i++) {
hr = iobuf_write_be16(resp_buf, rotarys[i]);
if (FAILED(hr)) {
return hr;
}
}
return hr;
}
static HRESULT io3_cmd_write_gpio(
struct io3 *io3,
struct const_iobuf *req_buf,

1
board/io3.h
View File

@ -18,6 +18,7 @@ struct io3_ops {
void (*write_gpio)(void *ctx, uint32_t state);
void (*read_switches)(void *ctx, struct io3_switch_state *out);
void (*read_analogs)(void *ctx, uint16_t *analogs, uint8_t nanalogs);
void (*read_rotarys)(void *ctx, uint16_t *rotaries, uint8_t nrotaries);
void (*read_coin_counter)(void *ctx, uint8_t slot_no, uint16_t *out);
};