Cool_Tools/exa-io
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Code Issues Activity

fix shift register order

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This commit is contained in:
Thomas Daede 2021-03-02 21:01:45 -08:00
parent 5ed576aea0
commit 10ec1553e5
1 changed files with 141 additions and 32 deletions
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173
firmware/td-io.c
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@ -12,43 +12,55 @@ const uint PIN_SR_DATA = 6;
const uint PIN_SR_CLK = 5;
const uint PIN_SR_SH = 4;
const uint PIN_METER1 = 7;
const uint PIN_METER2 = 8;
const uint PIN_LOCKOUT1 = 9;
const uint PIN_LOCKOUT2 = 10;
const uint8_t JVS_STATUS_GOOD = 1;
const uint8_t JVS_STATUS_UNKNOWN_COMMAND = 2;
const uint8_t JVS_STATUS_CHECKSUM_ERROR = 3;
const uint8_t JVS_REPORT_GOOD = 1;
const uint8_t JVS_REPORT_PARAMETER_INVALID = 3;
const uint8_t JVS_MAX_LEN = 253; // minus two for status and checksum
// global state
uint8_t our_address = 0;
// signed for underflow checks
int16_t coin_count_p1 = 0;
int16_t coin_count_p2 = 0;
uint8_t prev_coin_p1 = 0;
uint8_t prev_coin_p2 = 0;
#define SR_P1_3 0
#define SR_P2_3 1
#define SR_P1_4 2
#define SR_P2_4 3
#define SR_P1_5 4
#define SR_P2_5 5
#define SR_P1_6 6
#define SR_P2_6 7
#define SR_P1_LEFT 8
#define SR_P2_LEFT 9
#define SR_P1_RIGHT 10
#define SR_P2_RIGHT 11
#define SR_P1_1 12
#define SR_P2_1 13
#define SR_P1_2 14
#define SR_P2_2 15
#define SR_C1 16
#define SR_C2 17
#define SR_P1_START 18
#define SR_P2_START 19
#define SR_P1_UP 20
#define SR_P2_UP 21
#define SR_P1_DOWN 22
#define SR_P2_DOWN 23
#define SR_SERVICE 24
#define SR_TEST 25
#define SR_TILT 26
#define SR_P1_3 7
#define SR_P2_3 6
#define SR_P1_4 5
#define SR_P2_4 4
#define SR_P1_5 3
#define SR_P2_5 2
#define SR_P1_6 1
#define SR_P2_6 0
#define SR_P1_LEFT 15
#define SR_P2_LEFT 14
#define SR_P1_RIGHT 13
#define SR_P2_RIGHT 12
#define SR_P1_1 11
#define SR_P2_1 10
#define SR_P1_2 9
#define SR_P2_2 8
#define SR_C1 23
#define SR_C2 22
#define SR_P1_START 21
#define SR_P2_START 20
#define SR_P1_UP 19
#define SR_P2_UP 18
#define SR_P1_DOWN 17
#define SR_P2_DOWN 16
#define SR_SERVICE 31
#define SR_TEST 30
#define SR_TILT 29
const char id_str[] = "TD;TD-IO;v1.0;https://github.com/tdaede/td-io";
@ -92,8 +104,8 @@ uint32_t read_switches() {
gpio_put(PIN_SR_SH, 1);
busy_wait_us(1);
for (int i = 0; i < 32; i++) {
r <<= 1;
r |= gpio_get(PIN_SR_DATA);
r >>= 1;
r |= (gpio_get(PIN_SR_DATA) ? 1 : 0) << 31;
gpio_put(PIN_SR_CLK, 1);
busy_wait_us(1);
gpio_put(PIN_SR_CLK, 0);
@ -103,6 +115,28 @@ uint32_t read_switches() {
return ~r;
}
// call periodically with switch read to check level changes of coin input
void process_coin(uint32_t switches) {
if ((switches >> SR_C1 & 1) && !prev_coin_p1) {
coin_count_p1++;
if (coin_count_p1 > 16383) {
coin_count_p1 = 16383;
}
}
if ((switches >> SR_C2 & 1) && !prev_coin_p2) {
coin_count_p2++;
if (coin_count_p2 > 16383) {
coin_count_p2 = 16383;
}
}
prev_coin_p1 = switches >> SR_C1 & 1;
prev_coin_p2 = switches >> SR_C2 & 1;
gpio_put(PIN_METER1, prev_coin_p1);
gpio_put(PIN_METER2, prev_coin_p2);
gpio_put(PIN_LOCKOUT1, coin_count_p1 >= 16383);
gpio_put(PIN_LOCKOUT2, coin_count_p2 >= 16383);
}
int main() {
stdio_init_all();
uart_init(uart0, 115200);
@ -132,6 +166,20 @@ int main() {
gpio_put(PIN_SR_SH, 0);
gpio_set_dir(PIN_SR_SH, GPIO_OUT);
// coin/lockout drivers
gpio_init(PIN_METER1);
gpio_put(PIN_METER1, 0);
gpio_set_dir(PIN_METER1, GPIO_OUT);
gpio_init(PIN_METER2);
gpio_put(PIN_METER2, 0);
gpio_set_dir(PIN_METER2, GPIO_OUT);
gpio_init(PIN_LOCKOUT1);
gpio_put(PIN_LOCKOUT1, 0);
gpio_set_dir(PIN_LOCKOUT1, GPIO_OUT);
gpio_init(PIN_LOCKOUT2);
gpio_put(PIN_LOCKOUT2, 0);
gpio_set_dir(PIN_LOCKOUT2, GPIO_OUT);
while (true) {
uint8_t sync = uart_getc(uart0);
if (sync == 0xe0) {
@ -172,7 +220,7 @@ int main() {
printf("Got ID code request\n");
msg_send[o] = JVS_REPORT_GOOD;
o++;
strcpy(&msg_send[o], id_str);
strcpy((char*)&msg_send[o], id_str);
o += strlen(id_str) + 1;
} else if ((msg_length - i) >= 1 && message[i] == 0x11) {
i++;
@ -209,6 +257,7 @@ int main() {
msg_send[o] = JVS_REPORT_GOOD;
o++;
uint32_t switches = read_switches();
process_coin(switches);
msg_send[o] = ((switches >> SR_TEST) & 1) << 7
| ((switches >> SR_TILT) & 1) << 7;
o++;
@ -255,10 +304,70 @@ int main() {
o++;
//printf("Got coin slot request for %02x slots\n", slots);
for (int slot = 0; slot < slots; slot++) {
msg_send[o] = 0x00;
msg_send[o+1] = 0x00;
if (slot == 0) {
msg_send[o] = coin_count_p1 >> 8;
msg_send[o+1] = coin_count_p1 & 0xFF;
} else if (slot == 1) {
msg_send[o] = coin_count_p2 >> 8;
msg_send[o+1] = coin_count_p2 & 0xFF;
} else {
msg_send[o] = 0x80;
msg_send[o+1] = 0x00;
}
o += 2;
}
} else if ((msg_length - i) >= 4 && message[i] == 0x30) {
uint8_t slot = message[i+1];
uint16_t amount = (message[i+2] << 8) + message[i+3];
i += 4;
printf("Decrement coin counter %d by %d\n", (int)slot, (int)amount);
if (amount > 16383) {
amount = 16383;
printf("Capped to 16383\n");
}
if (slot == 1) {
msg_send[o] = JVS_REPORT_GOOD;
coin_count_p1 -= amount;
if (coin_count_p1 < 0) {
coin_count_p1 = 0;
}
} else if (slot == 2) {
msg_send[o] = JVS_REPORT_GOOD;
coin_count_p2 -= amount;
if (coin_count_p2 < 0) {
coin_count_p2 = 0;
}
} else {
printf("Invalid coin counter slot\n");
msg_send[o] = JVS_REPORT_PARAMETER_INVALID;
}
o++;
} else if ((msg_length - i) >= 4 && message[i] == 0x35) {
uint8_t slot = message[i+1];
uint16_t amount = (message[i+2] << 8) + message[i+3];
i += 4;
printf("Increment coin counter %d by %d\n", (int)slot, (int)amount);
if (amount > 16383) {
amount = 16383;
printf("Capped to 16383\n");
}
if (slot == 1) {
msg_send[o] = JVS_REPORT_GOOD;
coin_count_p1 += amount;
if (coin_count_p1 > 16383) {
coin_count_p1 = 16383;
}
} else if (slot == 2) {
msg_send[o] = JVS_REPORT_GOOD;
coin_count_p2 += amount;
if (coin_count_p2 > 16383) {
coin_count_p2 = 16383;
}
} else {
printf("Invalid coin counter slot\n");
msg_send[o] = JVS_REPORT_PARAMETER_INVALID;
}
o++;
} else {
printf("Unsupported message: N: %02x L: %02x M: ", node_num, msg_length);
for (int j = 0; j < msg_length; j++) {