Modify the following source code to

Click button S1 to double the LED blinking frequency

Click button S2 to decrease the LED blinking frequency in half

Define a minimum (2^-4 Hz) and a maximum (2^4 Hz) blinking frequencies.

#include #include #include #include #define DCO_FREQ 48e6 #define TIMERO_FREQ 1 #define SYSTICK_FREQ 200 #define RED_LED GPIO_PINO #define GREEN_LED GPIO_PIN1 #define BLUE_LED GPIO_PIN2 #define BUTTON_S1 GPIO_PIN1 #define NUM_DEBOUNCE_CHECKS 10 #define NUM_DISP_TEXT_LINE 4 void initDevice(void); void initGPIO(void); void initTimer(void); void initUART(void): void uarto_transmitStr(const char *str): uint32_t clockMCLK uint8_t currentLED = RED_LED; volatile uint32_t button Statelndex; volatile uint32_t buttonS1_pressed = 0; const char *terminal DisplayText[NUM_DISP_TEXT_LINE] = ", "UART and User Button Demo rin", "R: red, G: green, B:blue, H: Helpir ", void main(void) uint32_t i; uint8_t data; initDevice(); initGPIO : initTimer(); initUART(): Interrupt_enableMaster(); Timer32_startTimer(TIMER32_0_BASE, false): for(i=0; i"); break; case 'G": case 'g': currentLED = GREEN_LED; uarto_transmitStr("Blink green LED. >"); break; case 'B': case 'b': currentLED = BLUE_LED; uarto_transmitStr("Blink blue LED. >"); break; case 'H': case "h: for(i=0; i"); void initDevice(void) WDT_A_hold Timer(); PCM_setPower State(PCM_AM_LDO_VCORE1); FlashCtl_setWaitState(FLASH_BANKO, 1); FlashCtl_setWaitState(FLASH_BANK1, 1); FPU_enableModule(); CS_setDCOFrequency(DCO_FREQ); CS_initClock Signal(CS_MCLK, CS_DCOCLK_SELECT, CS_CLOCK DIVIDER_1); CS_initClockSignal(CS_HSMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_8); CS_initClock Signal(CS_SMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_16); clockMCLK = CS_getMCLKO: void initGPIO(void) GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PINO GPIO_PIN1|GPIO_PIN2); GPIO_setAsInputPinWithPullUpResistor(GPIO_PORT_P1, GPIO_PIN1): GPIO_clearlnterruptFlag(GPIO_PORT_P1, GPIO_PIN1); GPIO_interruptEdgeSelect(GPIO_PORT_P1, GPIO_PIN1, GPIO_HIGH_TO_LOW_TRANSITION): GPIO_enableInterrupt(GPIO_PORT_P1, GPIO_PIN1); Interrupt_enableInterrupt(INT_PORT1); void initTimer(void) Timer32_initModule(TIMER32_0_BASE, TIMER32_PRESCALER_1, TIMER32_32BIT, TIMER32 PERIODIC MODE); Timer32_setCount(TIMER32_O_BASE, clockMCLK/TIMERO_FREQ); Timer32_enableInterrupt(TIMER32_O_BASE): Interrupt_enableInterrupt(INT_T32_INT1); SysTick_setPeriod (clockMCLKISYSTICK_FREQ); void initUART(void) const USCI_UART_Config config = EUSCI_A_UART_CLOCKSOURCE_SMCLK, 19. EUSCI_A_UART_NO_PARITY, EUSCI A UART LSB FIRST, EUSCI_A_UART_ONE_STOP_BIT, EUSCI_A_UART_MODE, EUSCI_A_UART_OVERSAMPLING_BAUDRATE_GENERATION GPIO_setAsPeripheral ModuleFunctioninputPin(GPIO_PORT_P1, GPIO_PINGPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION); UART_initModule(EUSCI_AO_BASE, &config); UART_enableModule(EUSCI_AO_BASE); void uarto_transmitStr(const char *str) uint32_t len, i=0; len = strlen(str); while(i VAL = 0; SysTick_enableModule(); SysTick_enableInterrupt(); void SysTick_Handler(void) uint8_t button State; buttonState = GPIO_getInputPinValue(GPIO_PORT_P1, BUTTON_S1); button State = BUTTON_S1 & (-buttonState); button Statelndex++; if((buttonState & BUTTON_S1) == 0) SysTick_disableInterrupt(); SysTick_disableModule(); else if(button Statelndex >= NUM_DEBOUNCE_CHECKS) SysTick_disableInterrupt(); SysTick_disableModule(); buttonS1_pressed = 1; #include #include #include #include #define DCO_FREQ 48e6 #define TIMERO_FREQ 1 #define SYSTICK_FREQ 200 #define RED_LED GPIO_PINO #define GREEN_LED GPIO_PIN1 #define BLUE_LED GPIO_PIN2 #define BUTTON_S1 GPIO_PIN1 #define NUM_DEBOUNCE_CHECKS 10 #define NUM_DISP_TEXT_LINE 4 void initDevice(void); void initGPIO(void); void initTimer(void); void initUART(void): void uarto_transmitStr(const char *str): uint32_t clockMCLK uint8_t currentLED = RED_LED; volatile uint32_t button Statelndex; volatile uint32_t buttonS1_pressed = 0; const char *terminal DisplayText[NUM_DISP_TEXT_LINE] = ", "UART and User Button Demo rin", "R: red, G: green, B:blue, H: Helpir ", void main(void) uint32_t i; uint8_t data; initDevice(); initGPIO : initTimer(); initUART(): Interrupt_enableMaster(); Timer32_startTimer(TIMER32_0_BASE, false): for(i=0; i"); break; case 'G": case 'g': currentLED = GREEN_LED; uarto_transmitStr("Blink green LED. >"); break; case 'B': case 'b': currentLED = BLUE_LED; uarto_transmitStr("Blink blue LED. >"); break; case 'H': case "h: for(i=0; i"); void initDevice(void) WDT_A_hold Timer(); PCM_setPower State(PCM_AM_LDO_VCORE1); FlashCtl_setWaitState(FLASH_BANKO, 1); FlashCtl_setWaitState(FLASH_BANK1, 1); FPU_enableModule(); CS_setDCOFrequency(DCO_FREQ); CS_initClock Signal(CS_MCLK, CS_DCOCLK_SELECT, CS_CLOCK DIVIDER_1); CS_initClockSignal(CS_HSMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_8); CS_initClock Signal(CS_SMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_16); clockMCLK = CS_getMCLKO: void initGPIO(void) GPIO_setAsOutputPin(GPIO_PORT_P2, GPIO_PINO GPIO_PIN1|GPIO_PIN2); GPIO_setAsInputPinWithPullUpResistor(GPIO_PORT_P1, GPIO_PIN1): GPIO_clearlnterruptFlag(GPIO_PORT_P1, GPIO_PIN1); GPIO_interruptEdgeSelect(GPIO_PORT_P1, GPIO_PIN1, GPIO_HIGH_TO_LOW_TRANSITION): GPIO_enableInterrupt(GPIO_PORT_P1, GPIO_PIN1); Interrupt_enableInterrupt(INT_PORT1); void initTimer(void) Timer32_initModule(TIMER32_0_BASE, TIMER32_PRESCALER_1, TIMER32_32BIT, TIMER32 PERIODIC MODE); Timer32_setCount(TIMER32_O_BASE, clockMCLK/TIMERO_FREQ); Timer32_enableInterrupt(TIMER32_O_BASE): Interrupt_enableInterrupt(INT_T32_INT1); SysTick_setPeriod (clockMCLKISYSTICK_FREQ); void initUART(void) const USCI_UART_Config config = EUSCI_A_UART_CLOCKSOURCE_SMCLK, 19. EUSCI_A_UART_NO_PARITY, EUSCI A UART LSB FIRST, EUSCI_A_UART_ONE_STOP_BIT, EUSCI_A_UART_MODE, EUSCI_A_UART_OVERSAMPLING_BAUDRATE_GENERATION GPIO_setAsPeripheral ModuleFunctioninputPin(GPIO_PORT_P1, GPIO_PINGPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION); UART_initModule(EUSCI_AO_BASE, &config); UART_enableModule(EUSCI_AO_BASE); void uarto_transmitStr(const char *str) uint32_t len, i=0; len = strlen(str); while(i VAL = 0; SysTick_enableModule(); SysTick_enableInterrupt(); void SysTick_Handler(void) uint8_t button State; buttonState = GPIO_getInputPinValue(GPIO_PORT_P1, BUTTON_S1); button State = BUTTON_S1 & (-buttonState); button Statelndex++; if((buttonState & BUTTON_S1) == 0) SysTick_disableInterrupt(); SysTick_disableModule(); else if(button Statelndex >= NUM_DEBOUNCE_CHECKS) SysTick_disableInterrupt(); SysTick_disableModule(); buttonS1_pressed = 1