lcd_c_ex1_4mux.c

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/* --COPYRIGHT--,BSD
 * Copyright (c) 2017, Texas Instruments Incorporated
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 * *  Redistributions in binary form must reproduce the above copyright
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 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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//*****************************************************************************
//*****************************************************************************
#include "driverlib.h"
 
int main(void) {
 
    WDT_A_hold(WDT_A_BASE);
 
    // Disable the GPIO power-on default high-impedance mode to activate
    // previously configured port settings
    PMM_unlockLPM5();
 
    //enable interrupts
    __enable_interrupt();
 
    LCD_C_setPinAsLCDFunctionEx(LCD_C_BASE, LCD_C_SEGMENT_LINE_0, LCD_C_SEGMENT_LINE_21);
    LCD_C_setPinAsLCDFunctionEx(LCD_C_BASE, LCD_C_SEGMENT_LINE_26, LCD_C_SEGMENT_LINE_43);
 
    LCD_C_initParam initParams = {0};
    initParams.clockSource = LCD_C_CLOCKSOURCE_ACLK;
    initParams.clockDivider = LCD_C_CLOCKDIVIDER_1;
    initParams.clockPrescalar = LCD_C_CLOCKPRESCALAR_16;
    initParams.muxRate = LCD_C_4_MUX;
    initParams.waveforms = LCD_C_LOW_POWER_WAVEFORMS;
    initParams.segments = LCD_C_SEGMENTS_ENABLED;
 
    LCD_C_init(LCD_C_BASE, &initParams);
 
    // LCD Operation - VLCD generated internally, V2-V4 generated internally, v5 to ground
    LCD_C_setVLCDSource(LCD_C_BASE, LCD_C_VLCD_GENERATED_INTERNALLY, LCD_C_V2V3V4_GENERATED_INTERNALLY_NOT_SWITCHED_TO_PINS,
         LCD_C_V5_VSS);
 
    // Set VLCD voltage to 2.60v
    LCD_C_setVLCDVoltage(LCD_C_BASE, LCD_C_CHARGEPUMP_VOLTAGE_2_60V_OR_2_17VREF);
 
    // Enable charge pump and select internal reference for it
    LCD_C_enableChargePump(LCD_C_BASE);
    LCD_C_selectChargePumpReference(LCD_C_BASE, LCD_C_INTERNAL_REFERENCE_VOLTAGE);
 
    LCD_C_configChargePump(LCD_C_BASE, LCD_C_SYNCHRONIZATION_ENABLED, 0);
 
    // Clear LCD memory
    LCD_C_clearMemory(LCD_C_BASE);
 
    // Display "123456"
    // LCD Pin18-Pin19 for '1'
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_18, 0x0);
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_19, 0x6);
 
    // LCD Pin10-Pin11 for '2'
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_10, 0xB);
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_11, 0xD);
 
    // LCD Pin6-Pin7 for '3'
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_6, 0x3);
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_7, 0xF);
 
    // LCD Pin36-Pin37 for '4'
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_36, 0x7);
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_37, 0x6);
 
    // LCD Pin28-Pin29 for '5'
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_28, 0x7);
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_29, 0xB);
 
    // LCD Pin14-Pin15 for '6'
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_14, 0xF);
    LCD_C_setMemory(LCD_C_BASE, LCD_C_SEGMENT_LINE_15, 0xB);
 
    // Turn LCD on
    LCD_C_on(LCD_C_BASE);
    // Set breakpoint here to see the "123456"
    __no_operation();
    // Prepare LCD for adding new segments to old letters to make new letters
    LCD_C_off(LCD_C_BASE);
    // Display "Ue9A68"
    // LCD Pin18-Pin19 for changing '1' to 'U'
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_18, 0xC);
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_19, 0x1);
 
    // LCD Pin10-Pin11 for changing '2' to 'e'
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_10, 0x4);
 
    // LCD Pin6-Pin7 for changing '3' to '9'
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_6, 0x4);
 
    // LCD Pin36-Pin37 for changing '4' to 'A'
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_36, 0x8);
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_37, 0x8);
 
    // LCD Pin28-Pin29 for changing '5' to '6'
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_28, 0x8);
 
    // LCD Pin14-Pin15 for changing '6' to '8'
    LCD_C_setMemoryWithoutOverwrite(LCD_C_BASE, LCD_C_SEGMENT_LINE_15, 0x4);
 
    //Turn LCD on
    LCD_C_on(LCD_C_BASE);
 
   __bis_SR_register(LPM3_bits | GIE);
 
    return 0;
}