merged fsm branch, finally

1 files changed, 140 insertions, 0 deletions

diff --git a/spaghetti-monster/fsm-misc.c b/spaghetti-monster/fsm-misc.c
new file mode 100644
index 0000000..acef28c
--- /dev/null
+++ b/spaghetti-monster/fsm-misc.c
@@ -0,0 +1,140 @@
+/*
+ * fsm-misc.c: Miscellaneous function for SpaghettiMonster.
+ *
+ * Copyright (C) 2017 Selene ToyKeeper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FSM_MISC_C
+#define FSM_MISC_C
+
+#ifdef USE_DYNAMIC_UNDERCLOCKING
+void auto_clock_speed() {
+    uint8_t level = actual_level;  // volatile, avoid repeat access
+    if (level < QUARTERSPEED_LEVEL) {
+        // run at quarter speed
+        // note: this only works when executed as two consecutive instructions
+        // (don't try to combine them or put other stuff between)
+        CLKPR = 1<<CLKPCE; CLKPR = 2;
+    }
+    else if (level < HALFSPEED_LEVEL) {
+        // run at half speed
+        CLKPR = 1<<CLKPCE; CLKPR = 1;
+    } else {
+        // run at full speed
+        CLKPR = 1<<CLKPCE; CLKPR = 0;
+    }
+}
+#endif
+
+#if defined(USE_BLINK_NUM) || defined(USE_BLINK_DIGIT)
+uint8_t blink_digit(uint8_t num) {
+    //StatePtr old_state = current_state;
+
+    // "zero" digit gets a single short blink
+    uint8_t ontime = 200;
+    if (!num) { ontime = 8; num ++; }
+
+    for (; num>0; num--) {
+        set_level(BLINK_BRIGHTNESS);
+        if (! nice_delay_ms(ontime)) { return 0; }
+        set_level(0);
+        //if (current_state != old_state) return 0;
+        if (! nice_delay_ms(400)) return 0;
+        //if (current_state != old_state) return 0;
+    }
+    return nice_delay_ms(600);
+}
+#endif
+
+#ifdef USE_BLINK_NUM
+uint8_t blink_num(uint8_t num) {
+    //StatePtr old_state = current_state;
+    #if 0
+    uint8_t hundreds = num / 100;
+    num = num % 100;
+    uint8_t tens = num / 10;
+    num = num % 10;
+    #else  // 8 bytes smaller
+    uint8_t hundreds = 0;
+    uint8_t tens = 0;
+    for(; num >= 100; hundreds ++, num -= 100);
+    for(; num >= 10; tens ++, num -= 10);
+    #endif
+
+    #if 0
+    // wait a moment in the dark before starting
+    set_level(0);
+    if (! nice_delay_ms(200)) return 0;
+    #endif
+
+    #if 0
+    if (hundreds) {
+        if (! blink_digit(hundreds)) return 0;
+        if (! blink_digit(tens)) return 0;
+    }
+    else if (tens) {
+        if (! blink_digit(tens)) return 0;
+    }
+    if (! blink_digit(num)) return 0;
+    return nice_delay_ms(1000);
+    #else // same size :(
+    if (hundreds) if (! blink_digit(hundreds)) return 0;
+    if (hundreds || tens) if (! blink_digit(tens)) return 0;
+    if (! blink_digit(num)) return 0;
+    return nice_delay_ms(1000);
+    #endif
+
+    /*
+    uint8_t volts, tenths;
+    volts = voltage / 10;
+    tenths = voltage % 10;
+    if (! blink(volts)) return;
+    if (! nice_delay_ms(200)) return;
+    if (! blink(tenths)) return;
+    nice_delay_ms(200);
+    */
+}
+#endif
+
+#ifdef USE_INDICATOR_LED
+void indicator_led(uint8_t lvl) {
+    switch (lvl) {
+        case 0:  // indicator off
+            DDRB &= 0xff ^ (1 << AUXLED_PIN);
+            PORTB &= 0xff ^ (1 << AUXLED_PIN);
+            break;
+        case 1:  // indicator low
+            DDRB &= 0xff ^ (1 << AUXLED_PIN);
+            PORTB |= (1 << AUXLED_PIN);
+            break;
+        default:  // indicator high
+            DDRB |= (1 << AUXLED_PIN);
+            PORTB |= (1 << AUXLED_PIN);
+            break;
+    }
+}
+
+/*
+void indicator_led_auto() {
+    if (actual_level > MAX_1x7135) indicator_led(2);
+    else if (actual_level > 0) indicator_led(1);
+    else indicator_led(0);
+}
+*/
+#endif  // USE_INDICATOR_LED
+
+
+#endif