codigo y esquematico

Código para inilización de LCD.c

@@ -0,0 +1,168 @@
+#include <msp430fr6989.h>
+
+//GPIO definitions
+#define CSBdefinition P1SEL1 |= BIT4         // Configure UCA0STE (slave select)
+#define CLKdefinition P1SEL1 |= BIT5         // Configure UCA0CLK
+#define SIMOdefinition P2SEL0 |= BIT0        // Configure UCA0SIMO/TXD
+//Output configuration
+#define DDRP1 P1DIR = 0x78; // 0111 1000
+#define DDRP2 P1DIR |= BIT0;
+/////////////////////////////////////////
+#define RST_0 P1OUT &= ~BIT3
+#define RST_1 P1OUT |= BIT3
+
+#define CSB_0 P1OUT &= ~BIT4
+#define CSB_1 P1OUT |= BIT4
+
+#define RS_0 P1OUT &= ~BIT6
+#define RS_1 P1OUT |= BIT6
+
+#define SI_0 P2OUT &= ~BIT0
+#define SI_1 P2OUT |= BIT0
+
+// Global variables
+unsigned char text1[] = {"Hi :D           "};
+unsigned char text2[] = {"It's done!    "};
+
+unsigned int position;
+
+//**************************
+//   MSP430F59xx Demo - eUSCI_A0, SPI 4-Wire Master
+//
+//   Description: SPI master send data to SPI slave using 4-wire mode.
+//   ACLK = 32.768kHz, MCLK = SMCLK = DCO ~1MHz.  BRCLK = ACLK/2
+//
+//
+//                   MSP430FR6989
+//                 -----------------
+//             /|\|              XIN|-
+//              | |                 |  32KHz Crystal
+//              --|RST          XOUT|-
+//                |                 |
+//                |             P2.0|-> Data Out (UCA0SIMO)
+//                |                 |
+//                |             P1.3|-> RST LCD
+//                |             P1.6|-> RS LCD
+//                |             P1.5|-> Serial Clock Out (UCA0CLK)
+//                |             P1.4|-> Slave Select (UCA0STE)
+//                |                 |
+//
+//   William Goh
+//   Texas Instruments Inc.
+//   April 2014
+//   Built with IAR Embedded Workbench V5.60 & Code Composer Studio V6.0
+//**************************
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+//Function initialization
+void initLCD();
+void initSPI();
+void display();
+
+void wData(unsigned char d);
+void wCommand(unsigned char c);
+
+volatile unsigned char TXData;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void main(void)
+{
+   WDTCTL = WDTPW | WDTHOLD;               // Stop watchdog timer
+   PM5CTL0 &= ~LOCKLPM5;                   // Disable the GPIO power-on default high-impedance mode to activate
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+  //Pin configuration
+   CSBdefinition;                          // Configure UCA0STE (slave select)
+   CLKdefinition;                          // Configure UCA0CLK
+   SIMOdefinition;                         // Configure UCA0SIMO/TXD
+   PJSEL0 |= BIT4 | BIT5;                  // For XT1
+
+   DDRP1;
+   DDRP2;
+
+   initSPI();
+
+   initLCD();
+   __delay_cycles(50);
+   display();
+   __delay_cycles(50);
+
+   while(1){
+
+   }
+
+}//main
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void initSPI(void){
+
+    // Configure USCI_A0 for SPI operation
+      UCA0CTLW0 = UCSWRST;                      // **Put state machine in reset**
+
+      UCA0CTLW0 |= UCSSEL__SMCLK;               // Choose SMLCK (1MHz)
+      UCA0BR0 = 0x04;//4                              // Set prescaler to 8 to get SCLK=125kHz
+      UCA0BR1 = 0;
+      UCA0MCTLW = 0;
+                                                // By default -> 4-pin, 8-bit SPI master
+      UCA0CTLW0 |= UCMST;                       // Master mode
+      UCA0CTLW0 |= UCSYNC;                      // Synchronous mode
+      UCA0CTLW0 |= UCCKPL;                      // Clock polarity high
+      UCA0CTLW0 |= UCMSB;                       // MSB first (Most Significant Bit)
+      UCA0CTLW0 |= UCMODE_2;                    // 4-pin SPI with UCxSTE active high
+      UCA0CTLW0 |= UCSTEM;                      // Generate the enable signal for a 4-wire slave
+
+      UCA0CTLW0 &= ~UCSWRST;                    // **Initialize USCI state machine**
+
+      UCA0IE |= UCTXIE;                         // Enable USCI_A0 TX interrupt
+      UCA0IFG &= ~UCTXIFG;
+}
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+//Initialize the LCD
+void initLCD(){
+
+    RST_0;                      //reset
+    __delay_cycles(2);
+    RST_1;                      //end reset
+    __delay_cycles(20);
+    wCommand(0x30);         //wake up
+    __delay_cycles(2);
+    wCommand(0x30);         //wake up
+    wCommand(0x30);         //wake up
+    wCommand(0x39);         //function set
+    wCommand(0x14);         //internal osc frequency
+    wCommand(0x56);         //power control
+    wCommand(0x6D);         //follower control
+    wCommand(0x70);         //contrast
+    wCommand(0x0C);         //display on
+    wCommand(0x06);         //entry mode
+    wCommand(0x01);         //clear
+    __delay_cycles(100);
+}
+void wCommand(unsigned char c){
+    CSB_0;                      //CSB active
+    RS_0;                       //Command/Instruction
+    UCA0TXBUF = c;
+    CSB_1;                      //CSB disabled
+    __delay_cycles(200);
+}
+void wData(unsigned char d){
+    CSB_0;                      //CSB active
+    RS_1;                       //Data
+    UCA0TXBUF = d;
+    CSB_1;                      //CSB disabled
+}
+void display(){
+    int a;
+    wCommand(0x80);
+    for(a=0; a<16; a++){
+       wData(text1[a]);
+    }
+    wCommand(0xC0);
+    for(a=0; a<16; a++){
+        wData(text2[a]);
+    }
+}