mem_read_chipid.c File Reference

#include "fw_hal.h"

Go to the source code of this file.

Functions
void	PrintBuff (void)
void	ItrimScan (uint8_t ircband, uint8_t vrtrim_limit, uint8_t irtrim_limit)
void	main (void)

Variables
uint8_t __XDATA	i
uint8_t __XDATA	buff [32] = {0}

Function Documentation

ItrimScan()

void ItrimScan	(	uint8_t	ircband,
		uint8_t	vrtrim_limit,
		uint8_t	irtrim_limit
	)

Definition at line 87 of file mem_read_chipid.c.

{
    uint8_t i = 0, j = 0;
    while (i++ < vrtrim_limit)
    {
        j = 0;
        while (j++ < irtrim_limit)
        {
            SYS_SetFOSC(ircband, i, j, 0);
            SYS_Delay(10);
            PrintBuff();
        }
    }
}

main()

void main

(

void

)

Uncomment this line if vrtrim and irtrim are unknown, this will scan all possible vrtrim and irtrim values between [0, 0xE0]

Definition at line 102 of file mem_read_chipid.c.

{
    SYS_SetClock();
    // UART1 configuration: baud 115200 with Timer2, 1T mode, no interrupt
    UART1_Config8bitUart(UART1_BaudSource_Timer2, HAL_State_ON, 115200);
    MEM_ReadChipID(buff);
    PrintBuff();
 
    while(1)
    {
        //ItrimScan(__CONF_IRCBAND, 0xE0, 0xE0);
    }
}

PrintBuff()

void PrintBuff

(

void

)

Definition at line 26 of file mem_read_chipid.c.

{
    for (i = 0; i < 32; i++)
    {
        UART1_TxHex(*(buff + i));
        if (i % 8 == 7) UART1_TxChar(0x20);
    }
    UART1_TxString("\r\n           STC8H8K64U   ");
    UART1_TxString("\r\nCPUID:                  ");
    for (i = 0; i < 7; i++)
    {
        UART1_TxHex(*(buff + i));
    }
    UART1_TxString("\r\nVref 1.19V:             0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n32KHz:                  0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n22.1184MHz:             0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n24MHz:                  0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n20MHz       27MHz:      0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n27MHz       30MHz:      0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n30MHz       33.1176MHz: 0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n33.1776MHz  35MHz:      0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n35MHz       36.864MHz:  0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n36.864MHz   40MHz:      0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n40MHz       44.2368MHz: 0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n45MHz       48MHz:      0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\nVRTRIM 6MHz:            0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\nVRTRIM 10MHz:           0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\nVRTRIM 27MHz:           0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\nVRTRIM 44MHz:           0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n00:                     0x");
    UART1_TxHex(*(buff + i++));
    UART1_TxString("\r\n\r\n");
    UART1_TxString("Current IRCBAND:");
    UART1_TxHex(IRCBAND);
    UART1_TxString(", VRTRIM:");
    UART1_TxHex(VRTRIM);
    UART1_TxString(", IRTRIM:");
    UART1_TxHex(IRTRIM);
    UART1_TxString(", LIRTRIM:");
    UART1_TxHex(LIRTRIM);
    UART1_TxString("\r\n\r\n");
}

Variable Documentation

buff

uint8_t __XDATA buff[32] = {0}

Definition at line 24 of file mem_read_chipid.c.

i

uint8_t __XDATA i

Built-in Readonly CHIPID on following MCU types with firmwaire version >= 7.4.4 STC8H8K64U, STC8H4K64LCD, STC8H4K64TLR, STC8H4K64TLCD

Definition at line 24 of file mem_read_chipid.c.