; -*- coding: utf-8 -*- ; Fast Forth For Texas Instrument MSP430FR4133 ; ; Copyright (C) <2016> ; ; This program is free software: you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation, either version 3 of the License, or ; (at your option) any later version. ; ; This program is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; ; You should have received a copy of the GNU General Public License ; along with this program. If not, see . ; ====================================================================== ; INIT MSP-EXP430FR4133 board ; ====================================================================== ; my USBtoUart : ; http://www.ebay.fr/itm/CP2102-USB-UART-Board-mini-Data-Transfer-Convertor-Module-Development-Board-/251433941479 ; for sd card socket be carefull : pin CD must be present ! ; http://www.ebay.com/itm/2-PCS-SD-Card-Module-Slot-Socket-Reader-For-Arduino-MCU-/181211954262?pt=LH_DefaultDomain_0&hash=item2a3112fc56 ; J101 eZ-FET <-> target ; ----------------------- ; P1 <-> P2 - NC ; P3 <-> P4 - TEST - TEST ; P5 <-> P6 - RST - RST ; P7 <-> P8 - TX1 - P1.0 UCA0 TXD ---> RX UARTtoUSB module ; P9 <->P10 - RX1 - P1.1 UCA0 RXD <--- TX UARTtoUSB module ; P11<->P12 - CTS - P2.4 ; P13<->P14 - RTS - P2.3 ; P15<->P16 - VCC - 3V3 ; P17<->P18 - 5V ; P19<->P20 - GND - VSS ; Launchpad Header Left J1 ; ------------------------ ; P1 - 3V3 ; P2 - P8.1 ACLK/A9 ; P3 - P1.1 UCA0 RXD ; P4 - P1.0 UCA0 TXD ; P5 - P2.7 ; P6 - P8.0 SMCLK/A8 ; P7 - P5.1 UCB0 CLK ; P8 - P2.5 ; P9 - P8.2 TA1CLK ; P10- P8.3 TA1.2 ; Launchpad Header Right J2 ; ------------------------- ; P1 - GND ; P2 - P1.7 TA0.1/TDO/A7 ; P3 - P1.6 TA0.2/TDI/TCLK/A6 ; P4 - P5.0 UCB0STE ; P5 - RST ; P6 - P5.2 UCB0SIMO/UCB0SDA ; P7 - P5.3 UCB0SOMI/UCB0SCL ; P8 - P1.3 UCA0STE/A3 ; P9 - P1.4 MCLK/TCK/A4 ; P10- P1.5 TA0CLK/TMS/A5 ; switch-keys: ; S1 - P1.2 ; S2 - P2.6 ; S3 - RST ; LEDS: ; LED1 - P1.0/TXD ; LED2 - P4.0 ; XTAL LF 32768 Hz ; Y4 - P4.1 XIN ; Y4 - P4.2 XOUT ; LCD ; L0 - P7.0 ; L1 - P7.1 ; L2 - P7.2 ; L3 - P7.3 ; L4 - P7.4 ; L5 - P7.5 ; L6 - P7.6 ; L7 - P7.7 ; L8 - P3.0 ; L9 - P3.1 ; L10 - P3.2 ; L11 - P3.3 ; L12 - P3.4 ; L13 - P3.5 ; L14 - P3.6 ; L15 - P3.7 ; L16 - P6.0 ; L17 - P6.1 ; L18 - P6.2 ; L19 - P6.3 ; L20 - P6.4 ; L21 - P6.5 ; L22 - P6.6 ; L23 - P6.7 ; L24 - P2.0 ; L25 - P2.1 ; L26 - P2.2 ; L36 - P5.4 ; L37 - P5.5 ; L38 - P5.6 ; L39 - P5.7 ; =================================================================================== ; in case of 3.3V powered by UARTtoUSB bridge, open J13 straps {RST,TST,V+,5V} BEFORE ; then wire VCC and GND of bridge onto J13 connector ; =================================================================================== ; --------------------------------------------------- ; MSP - MSP-EXP430FR4133 LAUNCHPAD <--> OUTPUT WORLD ; --------------------------------------------------- ; P1.0 - LED1 red ; P4.0 - LED2 green ; ; P1.2 - S1 ; P2.6 - S2 ; +-4k7-< DeepRST <-- GND ; | ; P1.0 - UCA0 TXD J101.8 --+-> RX UARTtoUSB bridge ; P1.1 - UCA0 RXD J101.10 <---- TX UARTtoUSB bridge ; P2.3 - RTS J101.14 ----> CTS UARTtoUSB bridge (if TERMINALCTSRTS option) ; VCC - J101.16 <---- VCC (optional supply from UARTtoUSB bridge - WARNING ! 3.3V !) ; GND - J101.20 <---> GND (optional supply from UARTtoUSB bridge) ; ; P2.7 - J1.5 <---- OUT IR_Receiver (1 TSOP32236) ; ; P4.1 - LFXI 32768Hz quartz ; P4.2 - LFXO 32768Hz quartz ; ; P5.2 - UCB0 SDA/SIMO J2.6 <---> SDA I2C Slave ; P5.3 - UCB0 SCL/SOMI J2.7 <---- SCL I2C Slave ; ; P5.1 - UCB0 CLK J1.7 ----> orange SD_CLK ; P5.2 - UCB0 SDA/SIMO J2.6 ----> grey SD_SDI ; P5.3 - UCB0 SCL/SOMI J2.7 <---- purple SD_SDO ; P8.0 - J1.6 <---- violin SD_CD (Card Detect) ; P8.1 - J1.2 ----> brown SD_CS (Card Select) ; ; P8.2 - Soft I2C_Master J1.9 ----> SDA software I2C Master ; P8.3 - Soft I2C_Master J1.10 <---> SCL software I2C Master ; ---------------------------------------------------------------------- ; INIT order : WDT, GPIOs, FRAM, Clock, UARTs... ; ---------------------------------------------------------------------- ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : LOCK PMM_LOCKLPM5 ; ---------------------------------------------------------------------- ; BIS #LOCKLPM5,&PM5CTL0 ; unlocked by WARM ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : WATCHDOG TIMER A ; ---------------------------------------------------------------------- ; WDT code MOV #WDTPW+WDTHOLD+WDTCNTCL,&WDTCTL ; stop WDT ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : I/O ; ---------------------------------------------------------------------- ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT1/2 ; ---------------------------------------------------------------------- ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ? ; PORT1 usage ; P1.0 - TX0 --> JP1 --> red LED1 --> GND ; P1.1 - RX0 Deep_RST_IN .equ P1IN ; TERMINAL TX pin as FORTH Deep_RST Deep_RST .equ 1 ; TX TERM_TXRX .equ 003h ; TX RX TERM_SEL .equ P1SEL0 TERM_REN .equ P1REN .IFDEF TERMINALCTSRTS ; RTS output is wired to the CTS input of UART2USB bridge ; CTS is not used by FORTH terminal ; configure RTS as output high to disable RX TERM during start FORTH HANDSHAKOUT .set P2OUT HANDSHAKIN .set P2IN RTS .set 8 ; P2.3 bit position ;CTS .set 10h ; P2.4 bit position BIS #00800h,&PADIR ; all pins as input else RTS P2.3 BIS #-1,&PAREN ; all input pins with resistor MOV #-1,&PAOUT ; that acts as pull up, and P2.3 as output HIGH .ELSEIF ; PORTx default wanted state : pins as input with pullup resistor MOV #-1,&PAOUT ; OUT1 for all pins BIS #-1,&PAREN ; all pins with pullup resistors .ENDIF ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT3/4 ; ---------------------------------------------------------------------- ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ? ; P3 configuration : ; P4 configuration : ; P4.0 - LED2 green ; P4.1 - LFXI 32768Hz quartz ; P4.2 - LFXO 32768Hz quartz ; PORTx default wanted state : pins as input with pullup resistor MOV #00100h,&PBDIR ; all pins as inputs else P4.0 MOV #0FEFFh,&PBOUT ; OUT1 for all pins else P4 BIS #0FEFFh,&PBREN ; pullup for all pins resistors else P4.0 ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT5/6 ; ---------------------------------------------------------------------- ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ? ; PORTx default wanted state : pins as input with pullup resistor MOV #-1,&PCOUT ; all pins OUT1 BIS #-1,&PCREN ; all pins with pull resistors ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT7/8 ; ---------------------------------------------------------------------- ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ? ; PORTx default wanted state : pins as input with pullup resistor MOV #-1,&PDOUT ; all pins OUT1 BIS #-1,&PDREN ; all pins with pull resistors ; ---------------------------------------------------------------------- ; FRAM config ; ---------------------------------------------------------------------- .IF FREQUENCY = 16 MOV.B #0A5h, &FRCTL0_H ; enable FRCTL0 access MOV.B #10h, &FRCTL0 ; 1 waitstate @ 16 MHz MOV.B #01h, &FRCTL0_H ; disable FRCTL0 access .ENDIF ; ---------------------------------------------------------------------- ; POWER ON RESET SYS config ; ---------------------------------------------------------------------- ; SYS code ; BIC #1,&SYSCFG0 ; enable write program in FRAM MOV #0A500h,&SYSCFG0 ; enable write MAIN and INFO ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : CLOCK SYSTEM ; ---------------------------------------------------------------------- ; CS code for EXP430FR4133 ; to measure REFO frequency, output ACLK on P8.1: ; BIS.B #2,&P8SEL0 ; BIS.B #2,&P8DIR ; result : REFO = ? kHz ; =================================================================== ; need to adjust FLLN (and DCO) for each device of MSP430fr2xxx family ? ; (no problem with MSP430FR5xxx families without FLL). ; =================================================================== .IF FREQUENCY = 0.5 MOV #0D6h,&CSCTL0 ; preset DCO = 0xD6 (measured value @ 0x180 ; to measure, type 0x180 @ U.) MOV #0001h,&CSCTL1 ; Set 1MHZ DCORSEL,disable DCOFTRIM,Modulation ; ===================================== ; fCOCLKDIV = REFO x (FLLN+1) ; MOV #100Dh,&CSCTL2 ; Set FLLD=1 (DCOCLKCDIV=DCO/2),set FLLN=0Dh ; fCOCLKDIV = 32768 x (13+1) = 0.459 MHz ; measured : MHz ; MOV #100Eh,&CSCTL2 ; Set FLLD=1 (DCOCLKCDIV=DCO/2),set FLLN=0Eh ; fCOCLKDIV = 32768 x (14+1) = 0.491 MHz ; measured : MHz MOV #100Fh,&CSCTL2 ; Set FLLD=1 (DCOCLKCDIV=DCO/2),set FLLN=0Fh ; fCOCLKDIV = 32768 x (15+1) = 0.524 MHz ; measured : MHz ; ===================================== ; MOV #2,X .ELSEIF FREQUENCY = 1 MOV #00B4h,&CSCTL0 ; preset DCO = 0xB4 (measured value @ 0x180 ; to measure, type HEX 0x180 ?) MOV #0001h,&CSCTL1 ; Set 1MHZ DCORSEL,disable DCOFTRIM,Modulation ; ===================================== ; fCOCLKDIV = REFO x (FLLN+1) ; MOV #001Dh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1Dh ; fCOCLKDIV = 32768 x (29+1) = 0.983 MHz ; measured : 0.989MHz MOV #001Eh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1Eh ; fCOCLKDIV = 32768 x (30+1) = 1.015 MHz ; measured : 1.013MHz ; MOV #001Fh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1Fh ; fCOCLKDIV = 32768 x (31+1) = 1.049 MHz ; measured : 1.046MHz ; ===================================== ; MOV #4,X .ELSEIF FREQUENCY = 2 MOV #00B4h,&CSCTL0 ; preset DCO = 0xB4 (measured value @ 0x180 ; to measure, type HEX 0x180 ?) MOV #0003h,&CSCTL1 ; Set 2MHZ DCORSEL,disable DCOFTRIM,Modulation ; ===================================== ; fCOCLKDIV = REFO x (FLLN+1) ; MOV #003Bh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=3Bh ; fCOCLKDIV = 32768 x (59+1) = 1.996 MHz ; measured : MHz MOV #003Ch,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=3Ch ; fCOCLKDIV = 32768 x (60+1) = 1.998 MHz ; measured : MHz ; MOV #003Dh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=3Dh ; fCOCLKDIV = 32768 x (61+1) = 2.031 MHz ; measured : MHz ; ===================================== ; MOV #8,X .ELSEIF FREQUENCY = 4 MOV #00D2h,&CSCTL0 ; preset DCO = 0xD2 (measured value @ 0x180) MOV #0005h,&CSCTL1 ; Set 4MHZ DCORSEL,disable DCOFTRIM,Modulation ; ===================================== ; fCOCLKDIV = REFO x (FLLN+1) ; MOV #0078h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=78h ; fCOCLKDIV = 32768 x (120+1) = 3.965 MHz ; measured : 3.96MHz MOV #0079h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=79h ; fCOCLKDIV = 32768 x (121+1) = 3.997 MHz ; measured : 3.99MHz ; MOV #007Ah,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=7Ah ; fCOCLKDIV = 32768 x (122+1) = 4.030 MHz ; measured : 4.020MHz ; ===================================== ; MOV #16,X .ELSEIF FREQUENCY = 8 MOV #00F2h,&CSCTL0 ; preset DCO = 0xF2 (measured value @ 0x180) MOV #0007h,&CSCTL1 ; Set 8MHZ DCORSEL,disable DCOFTRIM,Modulation ; ===================================== ; fCOCLKDIV = REFO x (FLLN+1) ; MOV #00F2h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F2h ; fCOCLKDIV = 32768 x (242+1) = 7.963 MHz ; measured : 7.943MHz ; MOV #00F3h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F3h ; fCOCLKDIV = 32768 x (243+1) = 7.995 MHz ; measured : 7.976MHz MOV #00F4h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F4h ; fCOCLKDIV = 32768 x (244+1) = 8.028 MHz ; measured : 8.009MHz ; MOV #00F5h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F5h ; fCOCLKDIV = 32768 x (245+1) = 8.061 MHz ; measured : 8.042MHz ; works with cp2102 and pl2303TA ; ===================================== ; MOV #32,X .ELSEIF FREQUENCY = 16 MOV #0129h,&CSCTL0 ; preset DCO = 0x129 (measured value @ 0x180) MOV #000Bh,&CSCTL1 ; Set 16MHZ DCORSEL,disable DCOFTRIM,Modulation ; ===================================== ; fCOCLKDIV = REFO x (FLLN+1) ; MOV #01E6h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E6h ; fCOCLKDIV = 32768 x 486+1) = 15.958 MHz ; measured : 15.92MHz ; MOV #01E7h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E7h ; fCOCLKDIV = 32768 x 487+1) = 15.991 MHz ; measured : 15.95MHz ; MOV #01E8h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E8h ; fCOCLKDIV = 32768 x 488+1) = 16.023 MHz ; measured : 15.99MHz MOV #01E9h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E9h ; fCOCLKDIV = 32768 x 489+1) = 16.056 MHz ; measured : 16.02MHz ; ===================================== ; MOV #64,X .ELSEIF .error "bad frequency setting, only 0.5,1,2,4,8,16 MHz" .ENDIF .IFDEF LF_XTAL ; LFXIN : P4.1, LFXOUT : P4.2 MOV #0600h,&PBSEL0 ; SEL0 for only P4.1,P4.2 ; MOV #0000h,&CSCTL3 ; FLL select XT1, FLLREFDIV=0 (default value) MOV #0000h,&CSCTL4 ; ACLOCK select XT1, MCLK & SMCLK select DCOCLKDIV .ELSE MOV #0010h,&CSCTL3 ; FLL select REFCLOCK, FLLREFDIV=0 ; MOV #0100h,&CSCTL4 ; ACLOCK select REFO, MCLK & SMCLK select DCOCLKDIV (default value) .ENDIF BIS &SYSRSTIV,&SAVE_SYSRSTIV; store volatile SYSRSTIV with preserving a pending request for DEEP_RST ; CMP #2,&SAVE_SYSRSTIV ; POWER ON ? ; JZ ClockWaitX ; yes : wait 600ms to stabilize power source ; .word 0359h ; no : RRUM #1,X --> wait still 300 ms... ; ; ...because FLL lock time = 280 ms ; ; ClockWaitX MOV #50000,Y ; ; ClockWaitY SUB #1,Y ; 3 cycles loop ; JNZ ClockWaitY ; 50000x3 = 150000 cycles delay = 150ms @ 1MHz ; SUB #1,X ; ; JNZ ClockWaitX ; WAITFLL BIT #300,&CSCTL7 ; wait FLL lock JNZ WAITFLL