; -*- coding: utf-8 -*- ; ====================================================================== ; 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 ; ---------------------------------------------------------------------- ; 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} = ? BIS #-1,&PAREN ; all input pins with resistor BIS #-1,&PAOUT ; all pins with PULLUP resistor ; PORT1 usage ; P1.0 - TX0 --> JP1 --> red LED1 --> GND ; P1.1 - RX0 SW1_IN .equ P1IN SW1 .equ 4 ; P1.2 = S1 WIPE_IN .equ P1IN IO_WIPE .equ 4 ; P1.2 = S1 = FORTH Deep_RST pin .IFDEF UCA0_TERM TERM_IN .equ P1IN TERM_REN .equ P1REN TERM_SEL .equ P1SEL0 TXD .equ 1 ; P1.0 = TXD RXD .equ 2 ; P1.1 BUS_TERM .equ 003h ; TX RX .ENDIF HANDSHAKOUT .set P2OUT HANDSHAKIN .set P2IN RTS .set 8 ; P2.3 bit position CTS .set 10h ; P2.4 bit position .IFDEF TERMINAL4WIRES ; RTS output is wired to the CTS input of UART2USB bridge ; configure RTS as output high to disable RX TERM during start FORTH BIS.B #RTS,&P2DIR ; RTS as output high .IFDEF TERMINAL5WIRES BIC.B #CTS,&P2OUT ; CTS input pulled down .ENDIF ; TERMINAL5WIRES .ENDIF ; TERMINAL4WIRES SW2_IN .equ P2IN SW2 .equ 40h ; P2.6 = S2 ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT3/4 ; ---------------------------------------------------------------------- ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ? BIS #0FEFFh,&PBREN ; pullup for all pins resistors else P4.0 MOV #-1,&PBOUT ; OUT1 for all pins else P4 ; P3 configuration : ; P4 configuration : ; P4.0 - LED2 green ; P4.1 - LFXI 32768Hz quartz ; P4.2 - LFXO 32768Hz quartz LED2_OUT .equ P4OUT LED2_DIR .equ P4IN LED2 .equ 1 ; P4.0 LED2 green ; PORTx default wanted state : pins as input with pullup resistor ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT5/6 ; ---------------------------------------------------------------------- ; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ? BIS #-1,&PCREN ; all pins with pull resistors MOV #-1,&PCOUT ; all pins OUT1 ; PORTC usage .IFDEF UCB0_TERM TERM_IN .equ P5IN TERM_REN .equ P5REN TERM_SEL .equ P5SEL0 SDA .equ 4 SCL .equ 8 BUS_TERM .equ 0Ch .ENDIF .IFDEF UCB0_SD SD_SEL .equ PCSEL0 ; to configure UCB0 SD_REN .equ PCREN ; to configure pullup resistors BUS_SD .equ 000Eh ; pins P5.1 as UCB0CLK, P5.2 as UCB0SIMO & P5.3 as UCB0SOMI .ENDIF ; PORTx default wanted state : pins as input with pullup resistor ; ---------------------------------------------------------------------- ; POWER ON RESET AND INITIALIZATION : PORT7/8 ; ---------------------------------------------------------------------- BIS #-1,&PDREN ; all pins with pull resistors MOV #-1,&PDOUT ; all pins OUT1 SD_CDIN .equ P8IN SD_CSOUT .equ P8OUT SD_CSDIR .equ P8DIR CD_SD .equ 1 ; P8.0 CS_SD .equ 2 ; P8.1 ; 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 ; ---------------------------------------------------------------------- ; FRAM config ; ---------------------------------------------------------------------- .IF FREQUENCY > 8 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 .IFDEF LF_XTAL ; MOV #0000h,&CSCTL3 ; FLL select XT1, FLLREFDIV=0 (default value) MOV #0000h,&CSCTL4 ; ACLOCK select XT1, MCLK & SMCLK select DCOCLKDIV BIS.B #06,&P4SEL0 ; P4.2 as XOUT, P4.1 as XIN .ELSE BIS #0010h,&CSCTL3 ; FLL select REFCLOCK ; MOV #0100h,&CSCTL4 ; ACLOCK select REFO, MCLK & SMCLK select DCOCLKDIV (default value) .ENDIF BIC.B #-1,&CSCTL1 ; clear DCORSEL (Set 1MHZ DCORSEL), DCOFTRIM=0, ENable MODulation to reduce EMI .IF FREQUENCY = 1 ; nothing else to do .ELSEIF FREQUENCY = 2 BIS.B #2,&CSCTL1 ; Set 2MHZ DCORSEL .ELSEIF FREQUENCY = 4 BIS.B #4,&CSCTL1 ; Set 4MHZ DCORSEL .ELSEIF FREQUENCY = 8 BIS.B #6,&CSCTL1 ; Set 8MHZ DCORSEL .ELSEIF FREQUENCY = 12 BIS.B #8,&CSCTL1 ; Set 12MHZ DCORSEL .ELSEIF FREQUENCY = 16 BIS.B #10,&CSCTL1 ; Set 16MHZ DCORSEL .ELSEIF .error "bad frequency setting, only 1,2,4,8,12,16 MHz" .ENDIF ; MOV #INT(FREQUENCY*1000000/32768)-1,&CSCTL2; set FLLD=0 (DCOCLKCDIV=DCO),set FLLN for frequency slight lower MOV #INT(FREQUENCY*1000000/32768),&CSCTL2; set FLLD=0 (DCOCLKCDIV=DCO),set FLLN for frequency slight upper MOV #64,X ; 64* 3 ms = 192 ms delay, because FLL lock time = 120 ms ClockWaitX MOV &FREQ_KHZ,Y ; ClockWaitY SUB #1,Y ;1 JNZ ClockWaitY ;2 FREQ_KHZ x 3 ==> 3ms SUB #1,X ; JNZ ClockWaitX ;