void board_init() {
// disable watchdog timer
WDTCTL = WDTPW + WDTHOLD;
// setup clock speed
DCOCTL |= DCO0 | DCO1 | DCO2; // MCLK at ~8MHz
BCSCTL1 |= RSEL0 | RSEL1 | RSEL2; // MCLK at ~8MHz
// by default, ACLK from 32kHz XTAL which is running
// initialize pins
P4DIR |= 0x20; // [P4.5] radio VREG: output
P4DIR |= 0x40; // [P4.6] radio reset: output
// initialize bsp modules
debugpins_init();
leds_init();
uart_init();
spi_init();
bsp_timer_init();
radio_init();
radiotimer_init();
// enable interrupts
__bis_SR_register(GIE);
}
void board_init()
{
RCC_Configuration();//Configure rcc
NVIC_Configuration();//configure NVIC and Vector Table
//configure ALL GPIO to AIN to get lowest power
GPIO_Config_ALL_AIN();
//configuration GPIO to measure the time from sleep to 72MHz
GPIO_Configuration();
GPIO_InitTypeDef GPIO_InitStructure;
//enable GPIOB, Clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB , ENABLE);
//Configure PB.01 as SLP_TR pin of RF
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
//Configure PB.11 as RST pin of RF
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
//set /RST pin high(never reset)
GPIO_SetBits(GPIOB, GPIO_Pin_11);
// Configure PB.10 as input floating (EXTI Line10)
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIOB->ODR |= 0X0400;//set low
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource10);//Connect EXTI Line10 to PB.10
EXTI_ClearITPendingBit(EXTI_Line10);
//Configures EXTI line 10 to generate an interrupt on rising edge
EXTI_InitTypeDef EXTI_InitStructure;
EXTI_InitStructure.EXTI_Line = EXTI_Line10;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// initialize board
leds_init();
uart_init();
spi_init();
bsp_timer_init();
radio_init();
radiotimer_init();
debugpins_init();
//enable nvic for the radio
NVIC_radio();
}
void board_init(void) {
uint8_t delay;
// disable watchdog timer
WDTCTL = WDTPW + WDTHOLD;
//===== clocking
DCOCTL = 0; // we are not using the DCO
BCSCTL1 = 0; // we are not using the DCO
BCSCTL2 = SELM_2 | (SELS | DIVS_3) ; // MCLK=XT2, SMCLK=XT2/8
// the MSP detected that the crystal is not running (it's normal, it is
// starting). It set the OFIFG flag, causing the MSP430 to switch back to
// the DC0. By software, we need to clear that flag, causing the MSP430 to
// switch back to using the XT2 as a clocking source, but verify that it
// stays cleared. This is explained in detail in Section 4.2.6 "Basic Clock
// Module Fail-Safe Operation" of slau049f, pdf page 119.
do {
IFG1 &= ~OFIFG; // clear OSCFault flag
for (delay=0;delay<0xff;delay++) { // busy wait for at least 50us
__no_operation();
}
} while ((IFG1 & OFIFG) != 0); // repeat until OSCFault flag stays cleared
//===== pins
P3DIR |= 0x01; // [P3.0] radio VREG: output
P1DIR |= 0x80; // [P1.7] radio reset: output
P1DIR &= ~0x20; // [P1.5] radio SFD: input
P1IES &= ~0x20; // [P1.5] radio SFD: low->high
P1IFG &= ~0x20; // [P1.5] radio SFD: clear interrupt flag
P1IE |= 0x20; // [P1.5] radio SFD: interrupt enabled
//===== bsp modules
debugpins_init();
leds_init();
uart_init();
spi_init();
bsp_timer_init();
radio_init();
radiotimer_init();
//===== enable interrupts
__bis_SR_register(GIE);
}
void board_init() {
gpio_init();
clock_init();
antenna_init();
antenna_external();
leds_init();
debugpins_init();
button_init();
bsp_timer_init();
radiotimer_init();
uart_init();
radio_init();
}
void board_init() {
// initialize bsp modules
debugpins_init();
leds_init();
uart_init();
bsp_timer_init();
radio_init();
radiotimer_init();
// send request to server and get reply
opensim_client_sendAndWaitForAck(OPENSIM_CMD_board_init,
0,
0,
0,
0);
}
void board_init() {
// disable watchdog timer
WDTCTL = WDTPW + WDTHOLD;
// setup clock speed --seems that does not work
//BCSCTL1 = CALBC1_16MHZ; // MCLK at ~16MHz
//DCOCTL = CALDCO_16MHZ; // MCLK at ~16MHz
if(CALBC1_8MHZ != 0xFF) {
DCOCTL = 0x00;
BCSCTL1 = CALBC1_8MHZ; //Set DCO to 8MHz
DCOCTL = CALDCO_8MHZ;
} else { //start using reasonable values at 8 Mhz
DCOCTL = 0x00;
BCSCTL1 = 0x8D;
DCOCTL = 0x88;
}
// enable flash access violation NMIs
IE1 |= ACCVIE;
// initialize pins
P4DIR |= 0x20; // [P4.5] radio VREG: output
P4DIR |= 0x40; // [P4.6] radio reset: output
// initialize bsp modules
debugpins_init();
leds_init();
uart_init();
spi_init();
bsp_timer_init();
radio_init();
radiotimer_init();
// enable interrupts
__bis_SR_register(GIE);
}
void board_init() {
uint16_t i,j;
//enable all port clocks.
SIM_SCGC5 |= (SIM_SCGC5_PORTA_MASK
| SIM_SCGC5_PORTB_MASK
| SIM_SCGC5_PORTC_MASK
| SIM_SCGC5_PORTD_MASK
| SIM_SCGC5_PORTE_MASK );
//init all pins for the radio
//SLPTR
#ifdef TOWER_K20
PORTB_PCR3 = PORT_PCR_MUX(1);// -- PTB3 used as gpio for slptr
GPIOB_PDDR |= RADIO_SLPTR_MASK; //set as output
//RADIO RST -- TODO in the TWR change it to another pin! this is one of the leds.
PORTC_PCR9 = PORT_PCR_MUX(1);// -- PTC9 used as gpio for radio rst
GPIOC_PDDR |= RADIO_RST_MASK; //set as output
#elif OPENMOTE_K20
PORTD_PCR4 = PORT_PCR_MUX(1);// -- PTD4 used as gpio for slptr
GPIOD_PDDR |= RADIO_SLPTR_MASK; //set as output
//RADIO RST
PORTD_PCR5 = PORT_PCR_MUX(1);// -- PTD5 used as gpio for radio rst
GPIOD_PDDR |= RADIO_RST_MASK; //set as output
#endif
PORT_PIN_RADIO_RESET_LOW();//activate the radio.
PORT_PIN_RADIO_SLP_TR_CNTL_LOW();
//ptc5 .. ptc5 is pin 62, irq A
enable_irq(RADIO_EXTERNAL_PORT_IRQ_NUM);//enable the irq. The function is mapped to the vector at position 105 (see manual page 69). The vector is in isr.h
//external port radio_isr.
PORTC_PCR5 = PORT_PCR_MUX(1);// -- PTC5 used as gpio for radio isr through llwu
GPIOC_PDDR &= ~1<<RADIO_ISR_PIN; //set as input ==0
PORTC_PCR5 |= PORT_PCR_IRQC(0x09); //9 interrupt on raising edge. page 249 of the manual.
PORTC_PCR5 |= PORT_PCR_ISF_MASK; //clear any pending interrupt.
llwu_init();//low leakage unit init - to recover from deep sleep
debugpins_init();
leds_init();
bsp_timer_init();
uart_init();
radiotimer_init();
spi_init();
radio_init();
leds_all_off();
leds_sync_on();
leds_radio_on();
leds_debug_on();
leds_error_on();
leds_all_off();
debugpins_fsm_clr();
}