; --------------------------------------------------------------------------------
; @Title: I2C EEPROM Programming script for EASYCAN
; @Description: 
; EEPROM(Atmel,25C08) is connected to I2C-0
;
; SRAM: 0x300000
;
; I2C controller base : 0xFFE50000    
;
; @Author: jjeong
; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
; @Chip: EASYCAN4
; --------------------------------------------------------------------------------
; $Id: easycan-i2c08.cmm 10516 2022-02-02 11:39:30Z bschroefel $
; $Rev: 10516 $

  IF SYStem.MODE()<5
  (
    SYStem.RESet
    SYStem.CPU EASYCAN4F1M32
    SYStem.JtagClock 3Mhz
    SYStem.Up
  )

  GOSUB i2c_Init

  Break.RESet

  FLASHFILE.RESet
  
; FLASHFILE.CONFIG  <I2C_base> <(extra_addr_mask<<8)|addressbytes>    <write page size>   <I2C device address>
  FLASHFILE.CONFIG 0xFFE50000  (0x3<<8.)|0x01      16.    0x50   ;I2C 24C08

//FLASHFILE.TARGET <code range>        <data range>           <Algorithm file>
  FLASHFILE.TARGET 0x300000++0x1FFF    0x302000++0x1FFF       ~~/demo/arm/flash/byte/i2c_easycan.bin   /KEEP

//FLASHFILE.ERASE 0x0++0x3FF
//FLASHFILE.LOAD * 0x0            ; Write
//FLASHFILE.LOAD * 0x0  /ComPare  ; Verify

  FLASHFILE.DUMP 0x0  

ENDDO

i2c_Init:

Data.Set 0xFFE2C004  %Long 0x11111199   ; Set SCL0 and SDA0 function
Data.Set 0xFFE64050  %Long 0x1          ; Enable PIO blocks for I2C I/O configuration
Data.Set 0xFFE64004  %Long 0x300        ; Disable PIO function for I2C signals SCL0 and SDA0
Data.Set 0xFFE64054  %Long 0x1          ; Disable PIO blocks
Data.Set 0xFFE50050  %Long 0x2          ; Enable I2C Clock
Data.Set 0xFFE50060  %Long 0x1          ; Software reset
Data.Set 0xFFE50064  %Long 0x103C       ; With syclk = 24MHz, set FSCL = 400 kHz 
Data.Set 0xFFE50088  %Long 0x5          ; hold = setup = 1/24MHz = 5*42 ns = 210 ns (min = 100ns@5V)

RETURN