johannes.payr/pizzabox-teensy
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Implemented serial handshake with HELO pins.

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Implemented ABORT command.
This commit is contained in:
jpunkt 2022-01-19 22:09:35 +01:00
parent 3058f96a42
commit b4dd3e4cb1
3 changed files with 87 additions and 20 deletions
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1
include/Commands.h
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@ -22,6 +22,7 @@ enum Command {
ALREADY_CONNECTED = 1,
ERROR = 2,
RECEIVED = 3,
ABORT = 99,
SET_MOVEMENT = 'M',
SET_LIGHT = 'L',

20
include/Config.h
View file

@ -42,14 +42,18 @@
#define LED_COUNT_BACK 120
// Buttons
#define BTN_LED_BLUE 21
#define BTN_BLUE 20
#define BTN_LED_RED 17
#define BTN_RED 16
#define BTN_LED_YELLOW 23
#define BTN_YELLOW 22
#define BTN_LED_GREEN 19
#define BTN_GREEN 18
#define BTN_LED_BLUE 23 // 21
#define BTN_BLUE 22 // 20
#define BTN_LED_RED 21 // 17
#define BTN_RED 20 // 16
#define BTN_LED_YELLOW 17 // 23
#define BTN_YELLOW 16 // 22
#define BTN_LED_GREEN 19 // 19
#define BTN_GREEN 18 // 18
// Handshake pins
#define PIN_HELO1 10
#define PIN_HELO2 2
// NC (Blink-Sink)
#define NC_PIN 11

84
src/main.cpp
View file

@ -101,12 +101,15 @@ void serial_on_error(uint8_t errorNum);
// serial handshake was performed
bool serial_connected;
// serial command ABORT was sent
volatile bool serial_aborted;
// inintialize hardware constants
const long BAUDRATE = 115200; // speed of serial connection
const long CHARACTER_TIMEOUT = 500; // wait max 500 ms between single chars to be received
// Create instance. Pass Serial instance. Define command-id-range within Simple Serial Protocol is listening (here: a - z)
SimpleSerialProtocol ssp(Serial1, BAUDRATE, CHARACTER_TIMEOUT, serial_on_error, 0, 'Z'); // ASCII: 'a' - 'z' (26 byes of RAM is reserved)
SimpleSerialProtocol ssp(Serial1, BAUDRATE, CHARACTER_TIMEOUT, serial_on_error, 0, 100);
/**
* @brief Generic encoder logic for callbacks
@ -411,7 +414,9 @@ void serial_do_it() {
elapsedMillis t = 0;
while (lights_fading || scrolls_moving) {
while (!serial_aborted && (lights_fading || scrolls_moving)) {
ssp.loop();
bool fade = false;
for (uint8_t i=0; i < N_LIGHTS; i++) {
if (t < light_values[i][T]) {
@ -440,9 +445,25 @@ void serial_do_it() {
scrolls_moving = move;
}
if (serial_aborted) {
Serial.println("Movement aborted");
for (uint8_t i=0; i < N_SCROLLS; i++) {
scrolls[i][0].stop(true);
scrolls[i][1].stop(true);
}
for (uint8_t i=0; i < N_LIGHTS; i++) {
lights[i].fill(0);
lights[i].show();
}
serial_aborted = false;
serial_received();
return;
}
for (int i=0; i < N_LIGHTS; i++) {
lights[i].fill(light_values[i][C]);
lights[i].show();
light_values[i][T] = 0;
}
serial_received();
@ -526,9 +547,10 @@ void serial_userinteract() {
uint8_t btn_pressed = 0;
elapsedMillis t = 0;
while ((timeout == 0) || (t < timeout))
while (!serial_aborted && ((timeout == 0) || (t < timeout)))
{
blink(leds, UI_ON_MS, UI_OFF_MS);
ssp.loop();
if (enabled_btns[0]) btn_blue.update();
if (enabled_btns[1]) btn_red.update();
@ -551,6 +573,15 @@ void serial_userinteract() {
serial_received(btn_pressed);
}
void serial_abort() {
ssp.readEot();
Serial.println("Received ABORT.");
serial_aborted = true;
serial_received();
}
/**
* @brief Serial command handler for debugging scroll positions. Logs to USB Serial
*
@ -585,6 +616,11 @@ void setup() {
Serial.begin(115200);
Serial1.begin(115200);
pinMode(PIN_HELO1, INPUT);
pinMode(PIN_HELO2, OUTPUT);
digitalWrite(PIN_HELO2, LOW);
// initialize LEDs
for (const int &led : UI_LED_PINS) {
pinMode(led, OUTPUT);
@ -645,6 +681,7 @@ void setup() {
ssp.init();
ssp.registerCommand(HELLO, serial_hello);
ssp.registerCommand(ALREADY_CONNECTED, serial_hello);
ssp.registerCommand(ABORT, serial_abort);
ssp.registerCommand(SET_LIGHT, serial_set_light);
ssp.registerCommand(SET_MOVEMENT, serial_set_scroll);
ssp.registerCommand(DO_IT, serial_do_it);
@ -666,38 +703,57 @@ void loop() {
}
void check_helo() {
if (handshake_complete && (digitalRead(PIN_HELO1) == LOW)) {
sm.transitionTo(SER);
Serial.println("Lost HELO1. Transition to error state.");
}
}
void state_post() {
if (sm.executeOnce) {
Serial.println("State POST.");
for (const int &led : UI_LED_PINS) {
digitalWrite(led, HIGH);
delay(POST_LED_ON_MS);
digitalWrite(led, LOW);
}
}
Serial.println("State POST.");
}
void state_zero() {
Serial.println("State Zeroing.");
if (sm.executeOnce) {
Serial.println("State Zeroing.");
zero_scrolls();
zero_scrolls();
}
}
void state_init_callbacks() {
Serial.println("State Initialize Callbacks.");
attachInterrupt(digitalPinToInterrupt(scroll_pins[HORIZONTAL][COUNT_INNER]), hor_count, CHANGE);
attachInterrupt(digitalPinToInterrupt(scroll_pins[VERTICAL][COUNT_INNER]), vert_count, CHANGE);
if (sm.executeOnce) {
Serial.println("State Initialize Callbacks.");
attachInterrupt(digitalPinToInterrupt(scroll_pins[HORIZONTAL][COUNT_INNER]), hor_count, CHANGE);
attachInterrupt(digitalPinToInterrupt(scroll_pins[VERTICAL][COUNT_INNER]), vert_count, CHANGE);
digitalWrite(LED_BUILTIN, LOW);
blink_status = false;
}
int led[] = {LED_BUILTIN};
blink(led, WAIT_ON_MS, WAIT_OFF_MS);
}
void state_wait_serial() {
if (sm.executeOnce) {
Serial.println("State Waiting for Serial Handshake.");
serial_connected = false;
handshake_complete = false;
Serial.println("State Waiting for Serial Handshake.");
digitalWrite(LED_BUILTIN, LOW);
blink_status = false;
}
@ -715,6 +771,7 @@ void state_serial_com() {
}
ssp.loop();
check_helo();
}
@ -722,6 +779,7 @@ void state_error() {
if (sm.executeOnce) {
Serial.println("State Error.");
blink_status = digitalRead(LED_BUILTIN);
digitalWrite(PIN_HELO2, LOW);
}
int led[] = { LED_BUILTIN };
@ -740,7 +798,11 @@ bool transition_zero_init() {
bool transition_init_wait() {
return true;
if (digitalRead(PIN_HELO1)) {
digitalWrite(PIN_HELO2, HIGH);
return true;
}
return false;
}