#include "io_init.h" void io_init(void) { /******************************PORT 1**************************************/ P1OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P1DIR = P1_UNUSED; // Set to output P1DIR &= ~(RTC_MFP | IMU_INTn); // Set to input /*Interrupts Enable*/ // P1SEL = RTC_MFP | IMU_INTn; // P1IE = RTC_MFP | IMU_INTn; // Enable Interrupts P1IES = IMU_INTn; // High to low P1IFG = 0x00; // Clear all interrupt flags on Port 1 delay(); /******************************PORT 2**************************************/ P2OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P2DIR = P2_UNUSED; // Set to output /*Interrupts Enable */ // P2SEL = CAN0_INTn | CAN1_INTn | GPS_INTn; // Interrupts Select // P2IES = CAN0_INTn | CAN1_INTn | GPS_INTn; // P2IE = CAN0_INTn | CAN1_INTn | GPS_INTn; // Enable Interrupts // P2SEL |= CAN0_RXB0n | CAN0_RXB1n | CAN1_RXB0n | CAN1_RXB1n; // Interrupts Select // P2IES |= CAN0_RXB0n | CAN0_RXB1n | CAN1_RXB0n | CAN1_RXB1n; // P2IE |= CAN0_RXB0n | CAN0_RXB1n | CAN1_RXB0n | CAN1_RXB1n; // Enable Interrupts P2IFG = 0x00; // Clear all interrupt flags on Port 2 delay(); /******************************PORT 3**************************************/ P3OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P3DIR = CAN0_SCLK | CAN0_MOSI | SDC_SCLK | SDC_SIMO | CAN1_SCLK | P3_UNUSED; // Set to output P3OUT |= CAN0_SCLK | CAN0_MOSI | SDC_SCLK | SDC_SIMO | CAN1_SCLK; // Pull used output pins high P3DIR &= ~(CAN0_MISO | SDC_SOMI); P3SEL = CAN0_SCLK | CAN0_MOSI | CAN0_MISO | SDC_SCLK | SDC_SIMO | SDC_SOMI | CAN1_SCLK | IMU_SDA; /******************************PORT 4**************************************/ P4OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P4DIR = CAN0_RSTn | CAN0_CSn | CAN1_RSTn | CAN1_CSn | P4_UNUSED; // Set to output P4OUT = CAN0_RSTn | CAN0_CSn | CAN1_RSTn | CAN1_CSn; // Pull used output pins high delay(); P4OUT &= ~(CAN0_RSTn | CAN1_RSTn) ; delay(); delay(); P4OUT |= (CAN0_RSTn | CAN1_RSTn) ; /******************************PORT 5**************************************/ P5OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P5DIR = XT2OUT | CAN1_MOSI | P5_UNUSED; P5OUT = CAN1_MOSI; P5DIR &= ~(CAN1_MISO); P5SEL = XT2IN | XT2OUT | IMU_SCL | CAN1_MOSI | CAN1_MISO; /******************************PORT 6**************************************/ P6OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P6DIR = P6_UNUSED; P6SEL = 0x00; /******************************PORT 7**************************************/ P7OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P7DIR = XT1OUT | P7_UNUSED; P7SEL = XT1IN | XT1OUT; /******************************PORT 8**************************************/ P8OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P8DIR = LEDG | LEDR | LEDY0 | LEDY1 | P8_UNUSED; P8DIR &= ~(Button0); // Set to input P8SEL = 0x00; /******************************PORT 9**************************************/ P9OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P9DIR = USB_TX | SDC_CSn | GPS_CSn | P9_UNUSED; P9OUT = SDC_CSn | GPS_CSn; P9SEL = RTC_SDA | RTC_SCL | USB_TX | USB_RX; /******************************PORT 10**************************************/ P10OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P10DIR = BT_CSn | BT_MOSI | BT_SCLK | UART_TX | BT_EN |P10_UNUSED; P10OUT = BT_CSn | BT_MOSI | BT_SCLK; P10SEL = BT_MOSI | BT_MISO | BT_SCLK | UART_TX | UART_RX; /******************************PORT 11**************************************/ P11OUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs P11DIR = ACLK_TEST | MCLK_TEST | SMCLK_TEST; P11OUT = ACLK_TEST | MCLK_TEST | SMCLK_TEST; P11SEL = ACLK_TEST | MCLK_TEST | SMCLK_TEST; /******************************PORT J**************************************/ PJOUT = 0x00; // Pull pins low, only affects ports set as output, no effect on inputs PJDIR = 0x0F; // Set to output as per user's guide }