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標(biāo)題: PIC單片機(jī)存儲(chǔ)不足問題 [打印本頁]

作者: 東方木青龍 時(shí)間: 2021-12-16 09:38
標(biāo)題: PIC單片機(jī)存儲(chǔ)不足問題
用的單片機(jī)型號(hào)為PIC12F1571,代碼大概300多行，刪掉一個(gè)調(diào)用的比較多的函數(shù)之后，能編譯成功，用的MPLAB X IDE5.05,XC8(v2.30)

interrupt_manager.c:52:: warning: (1421) ignoring argument "high_priority" used by "__interrupt" attribute/specifier
:0:: error: (1347) can't find 0x13 words (0x13 withtotal) for psect "text16" in class "CODE" (largest unused contiguous range 0xA)
Non line specific message::: advisory: (1493) updated 32-bit floating-point routines might trigger "can't find space" messages appearing after updating to this release; consider using the smaller 24-bit floating-point types
:0:: error: (1347) can't find 0x10 words (0x10 withtotal) for psect "text20" in class "CODE" (largest unused contiguous range 0xA)
:0:: error: (1347) can't find 0x9 words (0x9 withtotal) for psect "text18" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x8 words (0x8 withtotal) for psect "text15" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x7 words (0x7 withtotal) for psect "text17" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x6 words (0x6 withtotal) for psect "text14" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x4 words (0x4 withtotal) for psect "text12" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x3 words (0x3 withtotal) for psect "text8" in class "CODE" (largest unused contiguous range 0x1)

作者: 興安xa 時(shí)間: 2021-12-16 11:16
光刪除子函數(shù)不刪除主函數(shù)里的調(diào)用會(huì)報(bào)錯(cuò)的，因?yàn)樗也坏搅耍瑒h除了不能保證程序的完整性還能用嗎，只能精簡部份，或者用外部存儲(chǔ)，比如24C系列

作者: Y_G_G 時(shí)間: 2021-12-16 12:43
程序內(nèi)存不夠你就刪除函數(shù)?那要這函數(shù)來干嘛?
難道你是復(fù)制別人的代碼嗎?
PIC的編譯環(huán)境很難搞,報(bào)錯(cuò)的話,你很多時(shí)候是不會(huì)像Keil那樣能找到的
你只有嚴(yán)格按照C語言標(biāo)準(zhǔn)來寫

作者: 東方木青龍 時(shí)間: 2021-12-16 13:08

興安xa 發(fā)表于 2021-12-16 11:16
光刪除子函數(shù)不刪除主函數(shù)里的調(diào)用會(huì)報(bào)錯(cuò)的，因?yàn)樗也坏搅�，刪除了不能保證程序的完整性還能用嗎，只能精 ...

下面的報(bào)錯(cuò)，我復(fù)制百度之后，是因?yàn)榇鎯?chǔ)不夠的原因，如果我不用那個(gè)調(diào)用的函數(shù)程序功能就實(shí)現(xiàn)不了了，精簡的話以我目前的水平已經(jīng)到了極限了，代碼真的很簡單了，感謝您的建議，我會(huì)再去嘗試精簡代碼的

作者: Y_G_G 時(shí)間: 2021-12-16 13:32
這個(gè)"CODE" 是怎么回事?不會(huì)是用了code來聲明了吧?

作者: 東方木青龍 時(shí)間: 2021-12-16 14:14

Y_G_G 發(fā)表于 2021-12-16 13:32
這個(gè)"CODE" 是怎么回事?不會(huì)是用了code來聲明了吧?

:0:: error: (1347) can't find 0x10 words (0x10 withtotal) for psect "text20" in class "CODE" (largest unused contiguous range 0xA)
:0:: error: (1347) can't find 0x9 words (0x9 withtotal) for psect "text18" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x8 words (0x8 withtotal) for psect "text15" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x7 words (0x7 withtotal) for psect "text17" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x6 words (0x6 withtotal) for psect "text14" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x4 words (0x4 withtotal) for psect "text12" in class "CODE" (largest unused contiguous range 0x1)
:0:: error: (1347) can't find 0x3 words (0x3 withtotal) for psect "text8" in class "CODE" (largest unused contiguous range 0x1)

這些錯(cuò)誤表示ROM （=閃存）內(nèi)存不足。
這意味著正在使用的 PIC 的代碼太多

作者: Y_G_G 時(shí)間: 2021-12-16 14:52

東方木青龍發(fā)表于 2021-12-16 14:14
:0:: error: (1347) can't find 0x10 words (0x10 withtotal) for psect "text20" in class "CODE" (larg ...

搞半天咋就不把代碼文件上傳呢,我去運(yùn)行試一下

作者: 東方木青龍 時(shí)間: 2021-12-17 08:41

Y_G_G 發(fā)表于 2021-12-16 12:43
程序內(nèi)存不夠你就刪除函數(shù)?那要這函數(shù)來干嘛?
難道你是復(fù)制別人的代碼嗎?
PIC的編譯環(huán)境很難搞,報(bào)錯(cuò)的話, ...

我刪除函數(shù)是因?yàn)榕懦幾g器的問題，如果它什么都不寫也報(bào)這個(gè)錯(cuò)誤呢，是吧？程序確實(shí)不是我寫的，我只是要改程序而已

作者: 東方木青龍 時(shí)間: 2021-12-17 08:42

Y_G_G 發(fā)表于 2021-12-16 14:52
搞半天咋就不把代碼文件上傳呢,我去運(yùn)行試一下

分塊的，行我給弄一個(gè)文件里面

作者: 東方木青龍 時(shí)間: 2021-12-17 08:58
#pragma config FOSC = INTOSC // ->INTOSC oscillator; I/O function on CLKIN pin
#pragma config WDTE = ON // Watchdog Timer Enable->WDT enabled
#pragma config PWRTE = OFF // Power-up Timer Enable->PWRT disabled
#pragma config MCLRE = ON // MCLR Pin Function Select->MCLR/VPP pin function is MCLR
#pragma config CP = OFF // Flash Program Memory Code Protection->Program memory code protection is disabled
#pragma config BOREN = ON // Brown-out Reset Enable->Brown-out Reset enabled
#pragma config CLKOUTEN = OFF // Clock Out Enable->CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin

// CONFIG2
#pragma config WRT = OFF // Flash Memory Self-Write Protection->Write protection off
#pragma config PLLEN = OFF // PLL Enable->4x PLL disabled
#pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable->Stack Overflow or Underflow will cause a Reset
#pragma config BORV = LO // Brown-out Reset Voltage Selection->Brown-out Reset Voltage (Vbor), low trip point selected.
#pragma config LPBOREN = OFF // Low Power Brown-out Reset enable bit->LPBOR is disabled
#pragma config LVP = ON // Low-Voltage Programming Enable->Low-voltage programming enabled

#include <xc.h>
//1. big board vishy mos
//2. small board Ao mos
#include "mcc.h"
static uint16_t adc_data=0;
static uint8_t adc_voltage=0;
static uint16_t pwm_data0=0;
static uint16_t power_data=0;
static uint16_t power_voltage=0;

uint16_t timer_100ms_flag=0;
uint8_t timer_10ms_flag=0;

void delay_proces (uint32_t delaytime)
{
   uint32_t cnt;
   cnt=delaytime;
   while(cnt--)
   {
      CLRWDT();
   }
}
void adc_process(void)
{
uint16_t k;
uint8_t i;
k=0;
for (i=0;i<16;i++)
{
   k+=ADC1_GetConversion(3);
   CLRWDT();
      NOP();NOP();NOP();NOP();NOP();NOP();NOP();
}
adc_data = k >> 4;
}
void power_process(void)
{
uint32_t kk;
kk = (uint32_t)adc_data * (uint32_t)33 * (uint32_t)25 * (uint32_t)10 / (uint32_t)1024;
power_voltage = (uint16_t)(kk+80) / 10;
}

void get_pwm_data(void)
{
uint32_t kk;//,kkm;
if(timer_100ms_flag < 50)
{
      kk = (uint32_t)((uint32_t)58 * (uint32_t)799);
      kk = ((uint32_t)kk / (uint32_t)power_voltage);
      //kk=((uint32_t)kk*(uint32_t)20/(uint32_t)10)+((uint32_t)power_voltage/90); //34W
      kk = ((uint32_t)kk * (uint32_t)16 / (uint32_t)10) + ((uint32_t)power_voltage / 90); //34W
      pwm_data0 = (uint16_t)kk + 2;
      if( pwm_data0 > 799 )
      {
         pwm_data0 = 800;                   //full power pwm
      }
      if(power_voltage < 70)
      {
         pwm_data0 = 0;
         kk = (power_voltage & 0x0f);
         delay_proces(kk * 16667);
         timer_100ms_flag = 0;
      }
      else if(power_voltage < 120)
      {
         pwm_data0 = 800;                         //full power pwm
      }
}
else
{
      kk = (uint32_t)((uint32_t)131 * (uint32_t)799);
      kk = ((uint32_t)kk / (uint32_t)power_voltage) * (uint32_t)23 / (uint32_t)100 * (uint32_t) 2;
      if(power_voltage < 50)
      {
         if(timer_10ms_flag > 6)
         {
            PWM3_DutyCycleSet(0);
         }
      }
      else
      {
         timer_10ms_flag = 0;
         if( power_voltage < 122)
         {
               kk = kk + 3 + 2 + 2;
         }
         else if( power_voltage < 160)
         {
            kk = kk + 2 + 2;
         }
         else if( power_voltage < 246)
         {
            kk = kk + 2;
         }
         else if(power_voltage > 460 && power_voltage < 730)
         {
            kk = kk + 4;
         }
         else if(power_voltage >= 730)
         {
            pwm_data0=0;
         }
         pwm_data0=kk+9; //?????????????
         if(pwm_data0>799)
         {
            pwm_data0=800;                      //full power pwm
         }
      }
}
}
void main(void)
{
SYSTEM_Initialize();
INTERRUPT_GlobalInterruptEnable();
INTERRUPT_PeripheralInterruptEnable();

while((power_voltage < 84) || (power_voltage > 730))
{
   adc_process();                         //gather 16 adc-data,get the average
   PWM3_DutyCycleSet(pwm_data0);                      //get the power_voltage
   CLRWDT();
}
timer_100ms_flag = 0;
while(timer_100ms_flag < 2)
{
      CLRWDT();
}
   //timer_2ms_flag=1;
timer_100ms_flag = 0;
while (1)
{
      CLRWDT();
      adc_process();
      power_process();
      get_pwm_data();
      PWM3_DutyCycleSet(pwm_data0);
}
}

作者: wojiaoguogai 時(shí)間: 2021-12-17 09:45
就這么一點(diǎn)應(yīng)該不至于

作者: MCU_FANS 時(shí)間: 2021-12-17 09:54

東方木青龍發(fā)表于 2021-12-17 08:58
#pragma config FOSC = INTOSC // ->INTOSC oscillator; I/O function on CLKIN pin
#pragma config WD ...

PIC12F1571這顆料沒有硬件乘法器，你代碼中有一大堆大字節(jié)變量乘除法，非常占空間；另外你的XC8是不是lite模式的？

作者: 東方木青龍 時(shí)間: 2021-12-17 16:44

MCU_FANS 發(fā)表于 2021-12-17 09:54
PIC12F1571這顆料沒有硬件乘法器，你代碼中有一大堆大字節(jié)變量乘除法，非常占空間；另外你的XC8是不是lit ...

沒錯(cuò)，是這個(gè)原因
我將void get_pwm_data(void)函數(shù)中的大字節(jié)變量乘除法屏蔽之后，編譯能通過
/*  kk = ((uint32_t)kk / (uint32_t)power_voltage);

      kk = ((uint32_t)kk * (uint32_t)16 / (uint32_t)10) + ((uint32_t)power_voltage / 90); //34W
   */

作者: 東方木青龍 時(shí)間: 2021-12-17 16:54

MCU_FANS 發(fā)表于 2021-12-17 09:54
PIC12F1571這顆料沒有硬件乘法器，你代碼中有一大堆大字節(jié)變量乘除法，非常占空間；另外你的XC8是不是lit ...

我把所有常數(shù)的乘除法運(yùn)算算好之后，再寫入代碼，就可以編譯成功了，感謝大佬

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