therm Changeset - 169432b428c7 · protofusion repositories

Changeset - 169432b428c7

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Ethan Zonca - 10 years ago 2014-09-14 19:32:39
ez@ethanzonca.com

Added slowdown for value incrementing

1 file changed with 44 insertions and 48 deletions:

main.c

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main.c

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@@ @@ -20,24 +20,34 @@ extern __IO uint32_t length ; @@
 uint8_t Send_Buffer[64];
 uint32_t packet_sent=1;
 uint32_t packet_receive=1;
 // Globalish setting vars
 uint8_t boottobrew = 0;
 #define WINDUP_GUARD_GAIN 100
 uint16_t windup_guard = WINDUP_GUARD_GAIN;
 uint16_t k_p = 1;
 uint16_t k_i = 1;
 uint16_t k_d = 1;
 // ISR ticks var TODO: Double check functionality after volatilazation... needed on ARM?
 volatile uint32_t ticks = 0;
 // Increase on each press, and increase at a fast rate after duration elapsed of continuously holding down... somehow...
 uint32_t change_time_reset = 0;
 #define CHANGE_PERIOD_MS 100
 #define CHANGE_ELAPSED (ticks - change_time_reset) > CHANGE_PERIOD_MS
 #define CHANGE_RESET change_time_reset = ticks
 int16_t setpoint_brew = 0;
 int16_t setpoint_steam = 0;
 // State definition
 enum state {
     STATE_IDLE = 0,
     STATE_SETP,
     STATE_SETI,
     STATE_SETD,
     STATE_SETWINDUP,
     STATE_SETBOOTTOBREW,
@@ @@ -206,25 +216,24 @@ int16_t update_pid(uint16_t k_p, uint16_ @@
   if(result > 1000)
     result = 1000;
   else if(result < -1000)
     result = -1000;
   // Return feedback
   return result;
+}
 uint32_t ticks = 0;
 uint32_t last_ssr_on = 0;
 uint32_t last_led = 0;
 int32_t setpoint = 0;
 int16_t ssr_output = 0; // Duty cycle of ssr, 0 to SSR_PERIOD
 uint8_t pid_enabled = 0;
 // Process things
 void process()
+{
     update_temp(); // Read MAX31855
     // TODO: Add calibration offset (linear)
@@ @@ -356,24 +365,42 @@ void restore_settings() @@
     while(FLASH_GetStatus()==FLASH_BUSY);
     k_d = (*(__IO uint32_t*)EEPROM_ADDR_K_D);
     while(FLASH_GetStatus()==FLASH_BUSY);
     setpoint_brew = (*(__IO uint32_t*)EEPROM_ADDR_BREWTEMP);
     while(FLASH_GetStatus()==FLASH_BUSY);
     setpoint_steam = (*(__IO uint32_t*)EEPROM_ADDR_STEAMTEMP);
     DATA_EEPROM_Lock();
+}
 void user_input(uint16_t* to_modify)
+{
     if(CHANGE_ELAPSED) {
         // TODO: Make function that takes reference to a var and increase/decreases it based on buttonpress
         if(!GPIO_ReadInputDataBit(SW_UP) ) {
             CHANGE_RESET;
             (*to_modify)++;
+        }
         else if(!GPIO_ReadInputDataBit(SW_DOWN) && (*to_modify) > 0) {
             CHANGE_RESET;
             (*to_modify)--;
+        }
+    }
+}
 void machine()
+{
     uint8_t last_state = state;
     uint8_t sw_btn = !GPIO_ReadInputDataBit(SW_BTN);
     uint8_t sw_up = !GPIO_ReadInputDataBit(SW_UP);
     uint8_t sw_down = !GPIO_ReadInputDataBit(SW_DOWN);
     uint8_t sw_left = !GPIO_ReadInputDataBit(SW_LEFT);
     uint8_t sw_right = !GPIO_ReadInputDataBit(SW_RIGHT);
     switch(state)
+    {
@@ @@ -450,29 +477,26 @@ void machine() @@
             char tempstr[6];
             itoa(k_p, tempstr);
             ssd1306_DrawString("P=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_SETI;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 k_p++;
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && k_p > 0) {
                 k_p--;
             else {
                 user_input(&k_p);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETI:
+        {
             // Write text to OLED
             // [ therm :: set i ]
             // [ i = 12         ]
@@ @@ -482,31 +506,27 @@ void machine() @@
             char tempstr[6];
             itoa(k_i, tempstr);
             ssd1306_DrawString("I=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_SETD;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 k_i++;
             else {
                 user_input(&k_i);
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && k_i > 0) {
                 k_i--;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETD:
+        {
             // Write text to OLED
             // [ therm :: set d ]
             // [ d = 12         ]
             ssd1306_DrawString("Derivative", 0, 40);
@@ @@ -515,29 +535,26 @@ void machine() @@
             char tempstr[6];
             itoa(k_d, tempstr);
             ssd1306_DrawString("D=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_SETWINDUP;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 k_d++;
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && k_d > 0) {
                 k_d--;
             else {
                 user_input(&k_d);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETWINDUP:
+        {
             // Write text to OLED
             // [ therm :: set windup ]
             // [ g = 12         ]
@@ @@ -547,29 +564,26 @@ void machine() @@
             char tempstr[6];
             itoa(windup_guard, tempstr);
             ssd1306_DrawString("G=", 1, 45);
             ssd1306_DrawString("    ", 1, 57);
             ssd1306_DrawString(tempstr, 1, 57);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_SETBOOTTOBREW;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 windup_guard++;
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && windup_guard > 0) {
                 windup_guard--;
             else {
                 user_input(&windup_guard);
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_SETBOOTTOBREW:
+        {
             // Write text to OLED
             // [ therm :: set windup ]
             // [ g = 12         ]
@@ @@ -593,108 +607,94 @@ void machine() @@
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 boottobrew = 1;
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN)) {
                 boottobrew = 0;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_PREHEAT_BREW:
+        {
             // Write text to OLED
             // [ therm : preheating brew ]
             // [ 30 => 120 C             ]
             ssd1306_DrawString("Preheating...", 0, 40);
             ssd1306_drawlogo();
             draw_setpoint();
             pid_enabled = 1;
 	    setpoint = setpoint_brew;
             // Button handler
             if(SW_BTN_PRESSED) {
 		save_setpoints(); // TODO: Check for mod
                 state = STATE_IDLE;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                setpoint_brew++;
             else {
                 user_input(&setpoint_brew);
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && setpoint_brew > 0) {
                 setpoint_brew--;
+            }
             // Event Handler
             if(temp >= setpoint) {
                 state = STATE_MAINTAIN_BREW;
+            }
         } break;
         case STATE_MAINTAIN_BREW:
+        {
             // Write text to OLED
             // [ therm : ready to brew ]
             // [ 30 => 120 C           ]
             ssd1306_DrawString("Ready to Brew!", 0, 40);
             ssd1306_drawlogo();
             draw_setpoint();
             pid_enabled = 1;
 	    setpoint = setpoint_brew;
             // Button handler
             if(SW_BTN_PRESSED) {
 		save_setpoints(); // TODO: Check for mod
                 state = STATE_IDLE;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                setpoint_brew++;
             else {
                 user_input(&setpoint_brew);
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && setpoint_brew > 0) {
                 setpoint_brew--;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_PREHEAT_STEAM:
+        {
             // Write text to OLED
             // [ therm : preheating steam ]
             // [ 30 => 120 C           ]
             ssd1306_DrawString("Preheating...", 0, 40);
             ssd1306_drawlogo();
             draw_setpoint();
             pid_enabled = 1;
 	    setpoint = setpoint_steam;
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_IDLE;
 		save_setpoints(); // TODO: Check for mod
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                setpoint_steam++;
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && setpoint_steam > 0) {
                 setpoint_steam--;
             else {
                 user_input(&setpoint_steam);
+            }
             // Event Handler
             if(temp >= setpoint) {
                 state = STATE_MAINTAIN_STEAM;
+            }
         } break;
         case STATE_MAINTAIN_STEAM:
+        {
             // Write text to OLED
@@ @@ -702,31 +702,27 @@ void machine() @@
             // [ 30 => 120 C            ]
             ssd1306_DrawString("Ready to Steam!", 0, 40);
             ssd1306_drawlogo();
             draw_setpoint();
             pid_enabled = 1;
 	    setpoint = setpoint_steam;
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_IDLE;
 		save_setpoints(); // TODO: Check for mod
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                setpoint_steam++;
             else {
                 user_input(&setpoint_steam);
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN) && setpoint_steam > 0) {
                 setpoint_steam--;
+            }
             // Event Handler
             // N/A
         } break;
         // Something is terribly wrong
         default:
+        {
             state = STATE_IDLE;
             pid_enabled = 0;

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