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Merge pull request #4685 from mourix/master

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Microtouch: fix compilation warnings, optimize command handling and liftoffs
This commit is contained in:
Miran Grča
2024-08-04 01:46:37 +02:00
committed by GitHub
parent 1b3b612837 7692abb60c
commit 61e6052a9e
1 changed files with 56 additions and 81 deletions
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137
src/device/mouse_microtouch_touchscreen.c
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@@ -55,38 +55,31 @@ const char* mtouch_identity[] = {
};
typedef struct mouse_microtouch_t {
double baud_rate;
int b;
char cmd[256];
int cmd_pos;
uint8_t format;
bool mode_status;
uint8_t id, cal_cntr, pen_mode;
bool soh;
bool in_reset;
serial_t *serial;
Fifo8 resp;
pc_timer_t host_to_serial_timer;
pc_timer_t reset_timer;
double baud_rate;
unsigned int abs_x_int, abs_y_int;
int b;
char cmd[256];
int cmd_pos;
uint8_t format;
bool mode_status;
uint8_t id, cal_cntr, pen_mode;
bool soh;
bool in_reset;
serial_t *serial;
Fifo8 resp;
pc_timer_t host_to_serial_timer;
pc_timer_t reset_timer;
} mouse_microtouch_t;
static mouse_microtouch_t *mtouch_inst = NULL;
void
mt_fifo8_puts(Fifo8 *fifo, const uint8_t *data)
{
fifo8_push(fifo, 1);
fifo8_push_all(fifo, data, strlen(data));
fifo8_push(fifo, '\r');
}
void
microtouch_reset_complete(void *priv)
{
mouse_microtouch_t *mtouch = (mouse_microtouch_t *) priv;
mtouch->in_reset = false;
mt_fifo8_puts(&mtouch->resp, "0");
fifo8_push_all(&mtouch->resp, (uint8_t *) "\x01\x30\x0D", 3); /* <SOH>0<CR> */
}
void
@@ -96,85 +89,55 @@ microtouch_calibrate_timer(void *priv)
if (!fifo8_num_used(&mtouch->resp)) {
mtouch->cal_cntr--;
mt_fifo8_puts(&mtouch->resp, "1");
fifo8_push_all(&mtouch->resp, (uint8_t *) "\x01\x31\x0D", 3); /* <SOH>1<CR> */
}
}
void
microtouch_process_commands(mouse_microtouch_t *mtouch)
{
int fifo_used = fifo8_num_used(&mtouch->resp);
mtouch->cmd[strcspn(mtouch->cmd, "\r")] = '\0';
mtouch->cmd_pos = 0;
if (mtouch->cmd[0] == 'A' && (mtouch->cmd[1] == 'D' || mtouch->cmd[1] == 'E')) { /* Autobaud Enable/Disable */
mt_fifo8_puts(&mtouch->resp, "0");
}
pclog("MT Command: %s\n", mtouch->cmd);
if (mtouch->cmd[0] == 'C' && (mtouch->cmd[1] == 'N' || mtouch->cmd[1] == 'X')) { /* Calibrate New/Extended */
mt_fifo8_puts(&mtouch->resp, "0");
mtouch->cal_cntr = 2;
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'D') { /* Format Decimal */
mouse_set_sample_rate(106);
mtouch->format = FORMAT_DEC;
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'N') { /* Filter Number */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'O') { /* Finger Only */
mtouch->pen_mode = 1;
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'H') { /* Format Hexadecimal */
mouse_set_sample_rate(106);
mtouch->format = FORMAT_HEX;
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'Q') { /* ?? */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'R') { /* Format Raw */
mouse_set_sample_rate(106);
mtouch->format = FORMAT_RAW;
mtouch->cal_cntr = 0;
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'F' && mtouch->cmd[1] == 'T') { /* Format Tablet */
mouse_set_sample_rate(192);
mtouch->format = FORMAT_TABLET;
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'G' && mtouch->cmd[1] == 'F') { /* ?? */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'G' && mtouch->cmd[1] == 'P' && mtouch->cmd[2] == '1') { /* Get Parameter Block 1 */
mt_fifo8_puts(&mtouch->resp, "A");
fifo8_push_all(&mtouch->resp, (uint8_t *) "0000000000000000000000000\r", sizeof("0000000000000000000000000\r") - 1);
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'M' && mtouch->cmd[1] == 'P') { /* ?? */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'M' && mtouch->cmd[1] == 'S') { /* Mode Stream */
mt_fifo8_puts(&mtouch->resp, "0");
fifo8_push_all(&mtouch->resp, (uint8_t *) "\x01\x41\x0D", 3); /* <SOH>A<CR> */
fifo8_push_all(&mtouch->resp, (uint8_t *) "0000000000000000000000000\r", 26);
}
if (mtouch->cmd[0] == 'M' && mtouch->cmd[1] == 'T') { /* Mode Status */
mtouch->mode_status = true;
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'N' && mtouch->cmd[1] == 'M') { /* ?? */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'O' && mtouch->cmd[1] == 'I') { /* Output Identity */
mt_fifo8_puts(&mtouch->resp, mtouch_identity[mtouch->id]);
fifo8_push(&mtouch->resp, 0x01);
fifo8_push_all(&mtouch->resp, (uint8_t *) mtouch_identity[mtouch->id], 6);
fifo8_push(&mtouch->resp, 0x0D);
return;
}
if (mtouch->cmd[0] == 'P') {
if (mtouch->cmd[1] == 'F') mtouch->pen_mode = 3; /* Pen or Finger */
else if (mtouch->cmd[1] == 'O') mtouch->pen_mode = 2; /* Pen Only */
mt_fifo8_puts(&mtouch->resp, "0"); /* Also 'PL' Parameter Lock */
}
if (mtouch->cmd[0] == 'Q' && mtouch->cmd[1] == 'P') { /* ?? */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (mtouch->cmd[0] == 'R') { /* Reset */
mtouch->in_reset = true;
@@ -185,28 +148,31 @@ microtouch_process_commands(mouse_microtouch_t *mtouch)
if (mtouch->id < 2) {
mouse_set_sample_rate(106);
mtouch->format = FORMAT_DEC;
}
else {
} else {
mouse_set_sample_rate(192);
mtouch->format = FORMAT_TABLET;
}
timer_on_auto(&mtouch->reset_timer, 500. * 1000.);
return;
}
if (mtouch->cmd[0] == 'S' && mtouch->cmd[1] == 'P' && mtouch->cmd[2] == '1') { /* Set Parameter Block 1 */
mt_fifo8_puts(&mtouch->resp, "A");
fifo8_push_all(&mtouch->resp, (uint8_t *) "\x01\x41\x0D", 3); /* <SOH>A<CR> */
return;
}
if (mtouch->cmd[0] == 'U' && mtouch->cmd[1] == 'T') { /* Unit Type */
mt_fifo8_puts(&mtouch->resp, "TP****00");
}
if (mtouch->cmd[0] == 'Z') { /* Null */
mt_fifo8_puts(&mtouch->resp, "0");
}
if (fifo8_num_used(&mtouch->resp) != fifo_used || mtouch->in_reset) {
pclog("Command handled: %s\n", mtouch->cmd);
} else {
pclog("Command ignored: %s\n", mtouch->cmd);
fifo8_push(&mtouch->resp, 0x01);
if (mtouch->id == 2) {
fifo8_push_all(&mtouch->resp, (uint8_t *) "TP****00", 8);
} else {
fifo8_push_all(&mtouch->resp, (uint8_t *) "QM****00", 8);
}
fifo8_push(&mtouch->resp, 0x0D);
return;
}
fifo8_push_all(&mtouch->resp, (uint8_t *) "\x01\x30\x0D", 3); /* <SOH>0<CR> */
}
void
@@ -243,8 +209,14 @@ mtouch_write(serial_t *serial, void *priv, uint8_t data)
if (data != '\r') {
dev->cmd[dev->cmd_pos++] = data;
} else {
dev->cmd[dev->cmd_pos++] = data;
dev->soh = 0;
if (!dev->cmd_pos) {
return;
}
dev->cmd[dev->cmd_pos++] = data;
dev->cmd_pos = 0;
microtouch_process_commands(dev);
}
}
@@ -325,7 +297,7 @@ mtouch_poll(void *priv)
snprintf(buffer, sizeof(buffer), "\x1c%03d,%03d\r", abs_x_int, abs_y_int);
}
} else if (dev->b) { /* Liftoff Status */
snprintf(buffer, sizeof(buffer), "\x18%03d,%03d\r", abs_x_int, abs_y_int);
snprintf(buffer, sizeof(buffer), "\x18%03d,%03d\r", dev->abs_x_int, dev->abs_y_int);
}
fifo8_push_all(&dev->resp, (uint8_t *)buffer, strlen(buffer));
}
@@ -349,7 +321,7 @@ mtouch_poll(void *priv)
snprintf(buffer, sizeof(buffer), "\x1c%03X,%03X\r", abs_x_int, abs_y_int);
}
} else if (dev->b) { /* Liftoff Status */
snprintf(buffer, sizeof(buffer), "\x18%03X,%03X\r", abs_x_int, abs_y_int);
snprintf(buffer, sizeof(buffer), "\x18%03X,%03X\r", dev->abs_x_int, dev->abs_y_int);
}
fifo8_push_all(&dev->resp, (uint8_t *)buffer, strlen(buffer));
}
@@ -367,14 +339,17 @@ mtouch_poll(void *priv)
fifo8_push(&dev->resp, (abs_y_int >> 7) & 0b1111111);
} else if (dev->b) { /* Liftoff */
fifo8_push(&dev->resp, 0b10000000 | ((dev->pen_mode == 2) ? ((1 << 5)) : 0));
fifo8_push(&dev->resp, abs_x_int & 0b1111111);
fifo8_push(&dev->resp, (abs_x_int >> 7) & 0b1111111);
fifo8_push(&dev->resp, abs_y_int & 0b1111111);
fifo8_push(&dev->resp, (abs_y_int >> 7) & 0b1111111);
fifo8_push(&dev->resp, dev->abs_x_int & 0b1111111);
fifo8_push(&dev->resp, (dev->abs_x_int >> 7) & 0b1111111);
fifo8_push(&dev->resp, dev->abs_y_int & 0b1111111);
fifo8_push(&dev->resp, (dev->abs_y_int >> 7) & 0b1111111);
}
}
dev->b = b; /* Save buttonpress */
/* Save old states*/
dev->abs_x_int = abs_x_int;
dev->abs_y_int = abs_y_int;
dev->b = b;
return 0;
}