therm Changeset - 8ad61315d68d · protofusion repositories

Changeset - 8ad61315d68d

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Ethan Zonca - 10 years ago 2014-11-22 16:17:20
ez@ethanzonca.com

Added clean TC error page, added unit switch between fahrenheit and celsius (untested)

2 files changed with 86 insertions and 7 deletions:

eeprom_min.h

main.c

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eeprom_min.h

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@@ @@ -13,6 +13,8 @@ @@
 #define EEPROM_ADDR_BREWTEMP		0x0030
 #define EEPROM_ADDR_STEAMTEMP		0x0034
 #define EEPROM_ADDR_UNITS		0x0038
 void Minimal_EEPROM_Unlock(void);
 void Minimal_EEPROM_Lock(void);

main.c

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Show inline comments

@@ @@ -23,13 +23,21 @@ uint8_t Send_Buffer[64]; @@
 uint32_t packet_sent=1;
 uint32_t packet_receive=1;
 enum tempunits {
     TEMP_UNITS_CELSIUS = 0,
     TEMP_UNITS_FAHRENHEIT,
 };
 // Globalish setting vars
 uint8_t boottobrew = 0;
 uint8_t temp_units = TEMP_UNITS_CELSIUS;
 uint16_t windup_guard = 1;
 uint16_t k_p = 1;
 uint16_t k_i = 1;
 uint16_t k_d = 1;
 uint8_t ignore_tc_error  = 0;
 // ISR ticks var
 volatile uint32_t ticks = 0;
@@ @@ -46,11 +54,14 @@ enum state { @@
     STATE_SETSTEPS,
     STATE_SETWINDUP,
     STATE_SETBOOTTOBREW,
     STATE_SETUNITS,
     STATE_PREHEAT_BREW,
     STATE_MAINTAIN_BREW,
     STATE_PREHEAT_STEAM,
     STATE_MAINTAIN_STEAM,
     STATE_TC_ERROR
 };
 uint8_t state = STATE_IDLE;
@@ @@ -145,10 +156,11 @@ void update_temp() { @@
     uint16_t temp_pre = SPI_I2S_ReceiveData(SPI2);
     if(temp_pre & 0b0000000000000010) {
         ssd1306_DrawString("Fatal Error", 2, 35);
         ssd1306_DrawString("Fatal Error", 3, 35);
         state = STATE_TC_ERROR;
+    }
     else if(temp_pre & 0b0000000000000001) {
         ssd1306_DrawString("Error: No TC", 2, 40);
     else if(temp_pre & 0b0000000000000001 && !ignore_tc_error) {
         state = STATE_TC_ERROR;
         temp = 0;
         temp_frac = 0;
+    }
@@ @@ -167,6 +179,13 @@ void update_temp() { @@
         else {
             temp = temp_pre;
+        }
         if(temp_units == TEMP_UNITS_FAHRENHEIT) {
             temp *= 10; // fixed point mul by 1.8
             temp *= 18;
             temp /= 100;
             temp += 32;
+        }
+    }
     // Deassert CS
@@ @@ -317,6 +336,7 @@ void save_settings() @@
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_K_P, k_p);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_K_I, k_i);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_K_D, k_d);
     Minimal_EEPROM_ProgramWord(EEPROM_BASE_ADDR + EEPROM_ADDR_UNITS, temp_units);
     Minimal_EEPROM_Lock();
+}
@@ @@ -354,7 +374,9 @@ void restore_settings() @@
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     setpoint_steam = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_STEAMTEMP));
     while(Minimal_FLASH_GetStatus()==FLASH_BUSY);
     temp_units = (*(__IO uint32_t*)(EEPROM_BASE_ADDR + EEPROM_ADDR_UNITS));
     Minimal_EEPROM_Lock();
+}
@@ @@ -529,7 +551,7 @@ void machine() @@
             // Button handler
             if(SW_BTN_PRESSED) {
-                state = STATE_SETSTEPS;
+                state = STATE_SETWINDUP;
+            }
             else {
                 user_input(&k_d);
@@ @@ -627,8 +649,7 @@ void machine() @@
             // Button handler
             if(SW_BTN_PRESSED) {
                 save_settings();
                 state = STATE_IDLE;
                 state = STATE_SETUNITS;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 boottobrew = 1;
@@ @@ -642,6 +663,39 @@ void machine() @@
         } break;
         case STATE_SETUNITS:
+        {
             // Write text to OLED
             // [ therm :: set windup ]
             // [ g = 12         ]
             ssd1306_DrawString("Units: ", 0, 40);
             ssd1306_drawlogo();
             if(temp_units == TEMP_UNITS_FAHRENHEIT)
                 ssd1306_DrawString("Fahrenheit", 1, 60);
             else
                 ssd1306_DrawString("Celsius   ", 1, 60);
             ssd1306_DrawString("Press to accept", 3, 40);
             // Button handler
             if(SW_BTN_PRESSED) {
                 save_settings();
                 state = STATE_IDLE;
+            }
             else if(!GPIO_ReadInputDataBit(SW_UP)) {
                 temp_units = TEMP_UNITS_FAHRENHEIT;
+            }
             else if(!GPIO_ReadInputDataBit(SW_DOWN)) {
                 temp_units = TEMP_UNITS_CELSIUS;
+            }
             // Event Handler
             // N/A
         } break;
         case STATE_PREHEAT_BREW:
+        {
             // Write text to OLED
@@ @@ -746,6 +800,29 @@ void machine() @@
         } break;
         case STATE_TC_ERROR:
+        {
             // Write text to OLED
             // [ therm : ready to steam ]
             // [ 30 => 120 C            ]
             ssd1306_DrawString("Error:", 0, 0);
             ssd1306_DrawString("Connect thermocouple", 1, 0);
             ssd1306_DrawString("Press -> to ignore", 3, 0);
             // Button handler
             if(SW_BTN_PRESSED) {
                 state = STATE_IDLE;
+            }
             else if(SW_RIGHT_PRESSED) {
                 ignore_tc_error = 1;
                 state = STATE_IDLE;
+            }
             // Event Handler
             // Maybe handle if TC is plugged in
             // N/A
         } break;
         // Something is terribly wrong
         default:
+        {

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