65 lines
1.9 KiB
Plaintext
65 lines
1.9 KiB
Plaintext
; --------------------------------------------------------------------------------
|
|
; @Title: I2C EEPROM Programming script for AT91SAM3U
|
|
; @Description:
|
|
; EEPROM(Atmel,24C02) is connected to I2C-1
|
|
;
|
|
; SRAM: 0x20000000
|
|
;
|
|
; I2C controller base : 0x40088000
|
|
;
|
|
; @Author: jjeong
|
|
; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
|
|
; @Chip: AT91SAM3U4E
|
|
; @Keywords: Atmel 24C02 flash EEPROM
|
|
; --------------------------------------------------------------------------------
|
|
; $Id: at91sam3u-i2c02.cmm 10516 2022-02-02 11:39:30Z bschroefel $
|
|
|
|
IF SYStem.MODE()<5
|
|
(
|
|
SYStem.CPU AT91SAM3U4E
|
|
SYStem.Option.ResBreak OFF
|
|
SYStem.Up
|
|
)
|
|
Data.Set SD:0x400E1254 %LE %Long 0x3FFFFFFF ; Watch dog diasable
|
|
|
|
GOSUB i2c_Init
|
|
|
|
Break.RESet
|
|
|
|
FLASHFILE.RESet
|
|
|
|
; FLASHFILE.CONFIG <I2C_base> <(extra_addr_mask<<8)|addressbytes> <write page size> <I2C device address>
|
|
FLASHFILE.CONFIG 0x40088000 0x01 8. 0x50 ;I2C 24C02
|
|
|
|
//FLASHFILE.TARGET <code range> <data range> <Algorithm file>
|
|
FLASHFILE.TARGET 0x20000000++0x1FFF 0x20002000++0x1FFF ~~/demo/arm/flash/byte/i2c_at91sam.bin /KEEP
|
|
|
|
//FLASHFILE.ERASE 0x0++0xFF
|
|
//FLASHFILE.LOAD * 0x0 ; Write
|
|
//FLASHFILE.LOAD * 0x0 /ComPare ; Verify
|
|
|
|
FLASHFILE.DUMP 0x0
|
|
|
|
ENDDO
|
|
|
|
i2c_Init:
|
|
|
|
//port TWI
|
|
PER.Set.simple AD:0x400E0C44 %Long 0x03000000 ; PIO24,25 disabled interrput
|
|
PER.Set.simple AD:0x400E0C60 %Long 0x03000000 ; PIO24,25 disabled pull-up
|
|
PER.Set.simple AD:0x400E0C70 %Long 0x00200000 ; PIO24,25
|
|
PER.Set.simple AD:0x400E0C04 %Long 0x03000000 ; PIO24,25 disabled
|
|
|
|
//UART enable
|
|
PER.Set.simple AD:0x400E0C44 %Long 0x1800
|
|
PER.Set.simple AD:0x400E0C60 %Long 0x1800
|
|
PER.Set.simple AD:0x400E0C70 %Long 0x00200000
|
|
PER.Set.simple AD:0x400E0C04 %Long 0x1800
|
|
|
|
|
|
PER.Set.simple AD:0x400E0410 %Long 0xc0100
|
|
PER.Set.simple AD:0x40088000 %Long 0x4
|
|
PER.Set.simple AD:0x40088004 %Long 0x501100
|
|
PER.Set.simple AD:0x40088010 %Long 0x3939 ;clock for i2c
|
|
|
|
RETURN |