o: ActiveSupport::Cache::Entry :@compressedF:@value"jj"dj
| reflow.c | ||
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| 1 | 1 |
#include "reflow.h" |
| 2 |
#include "process.h" |
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| 2 | 3 |
#include <math.h> |
| 3 | 4 |
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| 4 | 5 |
// nastaveni teplot a casu |
| ... | ... | |
| 19 | 20 |
#define TL3 PIN_B1 // tlacitko S3 |
| 20 | 21 |
#define TL4 PIN_B0 // tlacitko S4 |
| 21 | 22 |
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#define POWER_T3 PIN_A6 // ovladani optotriaku T3
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#define POWER_T3 PIN_A3 // ovladani optotriaku T3
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| 23 | 24 |
#define POWER_T4 PIN_A5 // ovladani optotriaku T4 |
| 24 | 25 |
#define POWER_T5 PIN_A4 // ovladani optotriaku T5 |
| 25 | 26 |
|
| ... | ... | |
| 39 | 40 |
volatile unsigned int8 sec; |
| 40 | 41 |
}cas; |
| 41 | 42 |
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// funkce |
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void GeneralCpuInit() |
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unsigned int top_heat_power=0; // range 0-200% nad 100% je ale teleso jiz pretizene |
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unsigned int bottom_heat_power=0; // contains heating power range 0-100% |
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unsigned int period; |
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float temp_last=0; |
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void GeneralCpuInit() // inicializace |
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{
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output_high(POWER_T4); |
| 46 | 52 |
output_high(POWER_T5); |
| ... | ... | |
| 50 | 56 |
setup_spi(SPI_SS_DISABLED); |
| 51 | 57 |
|
| 52 | 58 |
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); //nepouzit |
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setup_timer_1(T1_DISABLED); //nepouzit
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setup_timer_1(T1_INTERNAL|T1_DIV_BY_1); // rizeni
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setup_timer_2(T2_DIV_BY_16,249,10); //rtc 40ms |
| 55 | 61 |
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setup_comparator(NC_NC_NC_NC); |
| ... | ... | |
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return (0.674201*adc() - 294.35); |
| 84 | 90 |
} |
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void top_heating() |
|
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{
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if (period <= top_heat_power){
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output_low(POWER_T4); |
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output_low(POWER_T5); |
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} |
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else{
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output_high(POWER_T4); |
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output_high(POWER_T5); |
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} |
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} |
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void bottom_heating() |
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{
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if (period <= 2*bottom_heat_power){
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output_low(POWER_T3); |
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} |
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else{
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output_high(POWER_T3); |
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} |
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} |
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#int_TIMER1 |
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void heating_control() //rizeni topnych teles pri preteceni casovace |
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{
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top_heating(); |
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bottom_heating(); |
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if (period <= 200) period++; |
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else period=0; |
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} |
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#int_TIMER2 |
| 88 | 129 |
void Rtc(void) //40ms |
| 89 | 130 |
{
|
| ... | ... | |
| 105 | 146 |
} |
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} |
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|
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void slope_control(float ramp, unsigned int balance) // P proporcionalni rizeni narustu teploty predpoklada periodicke volani 1x/s |
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{
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float slope_deviation; |
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slope_deviation = (teplota() - temp_last) - ramp; // vypocet strmosti a odchylky od pozadovane strmosti |
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if(slope_deviation < 0) |
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{
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top_heat_power= slope_deviation*(-10) + balance; |
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bottom_heat_power= slope_deviation*(-10); |
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} |
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else{
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top_heat_power=0; |
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bottom_heat_power=0; |
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} |
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temp_last = teplota(); |
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} |
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void level_control(float level) // P proporcionalni rizeni teploty |
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{
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teplota(); |
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} |
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void nullcas(struct time* time) |
| 109 | 177 |
{
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| 110 | 178 |
disable_interrupts(INT_TIMER2); |
| ... | ... | |
| 116 | 184 |
enable_interrupts(INT_TIMER2); |
| 117 | 185 |
} |
| 118 | 186 |
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// start |
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void main() |
|
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void reflow_solder() |
|
| 121 | 188 |
{
|
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int8 tmp; |
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// preheat |
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nullcas(&cas); |
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do {
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slope_control(PREHEAT_SLOPE, 0); // hlida strmost predehrevu |
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lcd_gotoxy(1,1); |
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printf(lcd_putc,"%3.1f\21C ",teplota()); |
|
| 198 |
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lcd_gotoxy(9,1); |
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printf(lcd_putc,"%2u:%02u:%02u",cas.hod,cas.min,cas.sec); |
|
| 201 |
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delay_ms(1000); |
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} |
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while (teplota() < SOAK_TEMP); |
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// soak |
|
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nullcas(&cas); |
|
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while (cas.min*60+cas.sec <= SOAK_TIME) |
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{
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level_control(SOAK_TEMP); |
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lcd_gotoxy(1,1); |
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printf(lcd_putc,"%3.1f\21C ",teplota()); |
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lcd_gotoxy(9,1); |
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printf(lcd_putc,"%2u:%02u:%02u",cas.hod, SOAK_TIME/60 - cas.min, SOAK_TIME - cas.min*60 - cas.sec); |
|
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delay_ms(1000); |
|
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} |
|
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// solder |
|
| 221 |
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} |
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void main() // main loop |
|
| 226 |
{
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| 123 | 227 |
GeneralCpuInit(); |
| 124 | 228 |
PowerOff(); |
| 125 | 229 |
|
| ... | ... | |
| 131 | 235 |
while(true) |
| 132 | 236 |
{
|
| 133 | 237 |
delay_ms(300); |
| 134 |
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|
| 135 |
if (cas.sec != tmp){
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tmp=cas.sec; |
|
| 137 |
lcd_gotoxy(9,1); |
|
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printf(lcd_putc,"%2u:%02u:%02u",cas.hod,cas.min,cas.sec); |
|
| 139 |
} |
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| 140 | 238 |
|
| 141 |
lcd_gotoxy(1,2); |
|
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printf(lcd_putc,"teplota: %3.1f\21C ",teplota()); |
|
| 239 |
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reflow_solder(); |
|
| 241 |
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| 143 | 242 |
} |
| 144 | 243 |
} |