William/Senior-Design-Project_WMU-Sunseeker_Code
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Modified comments for consistency and to be more easily read

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This commit is contained in:
William Miceli
2021-05-14 16:56:47 -04:00
parent 6dae19b800
commit 6966e0bccb
2 changed files with 86 additions and 95 deletions
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139
Telem_Debug/Debug2/io_init.c
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@@ -1,10 +1,4 @@
/*
* Battery Protection Software for BPS PCB Development
* Originally Written for BPS_V1 2012
*
* Modified for BPS_V2 2015 by Scott Haver
* WMU Sunseeker 2015
*
* I/O Initialization
*/
@@ -12,99 +6,98 @@
#include "SunseekerTelemetry2021.h"
/*
* Initialise I/O port directions and states
* Drive unused pins as outputs to avoid floating inputs
* Initialize I/O port directions and states
* Drive unused pins as outputs to avoid floating inputs and wasting power
*
*/
void io_init( void )
{
/******************************PORT 1**************************************/
P1OUT = 0x00; // Pull pins low
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; //Clears all interrupt flags on Port 1
/******************************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
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; //Clears all interrupt flags on Port 2
/******************************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
P3DIR = CAN0_SCLK | CAN0_MOSI | SDC_SCLK | SDC_SIMO | CAN1_SCLK | P3_UNUSED;
P3OUT |= CAN0_SCLK | CAN0_MOSI | SDC_SCLK | SDC_SIMO | CAN1_SCLK;
P3DIR &= ~(CAN0_MISO | SDC_SOMI);
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
P4DIR = CAN0_RSTn | CAN0_CSn | CAN1_RSTn | CAN1_CSn | P4_UNUSED;
P4OUT = CAN0_RSTn | CAN0_CSn | CAN1_RSTn | CAN1_CSn;
/******************************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) ;
P4OUT &= ~(CAN0_RSTn | CAN1_RSTn) ;
delay();
delay();
P4OUT |= (CAN0_RSTn | CAN1_RSTn) ;
P4OUT |= (CAN0_RSTn | CAN1_RSTn) ;
/******************************PORT 5**************************************/
P5OUT = 0x00; // Pull pins low
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;
P5OUT = CAN1_MOSI;
P5DIR &= ~(CAN1_MISO);
P5SEL = XT2IN | XT2OUT | IMU_SCL | CAN1_MOSI | CAN1_MISO;
/******************************PORT 6**************************************/
P6OUT = 0x00; // Pull pins low
P6DIR = P6_UNUSED;
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
P7DIR = XT1OUT | P7_UNUSED;
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
P8DIR = LEDG | LEDR | LEDY0 | LEDY1 | P8_UNUSED;
P8DIR &= ~(Button0);
P8SEL = 0x00;
/******************************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);
P8SEL = 0x00;
/******************************PORT 9**************************************/
P9OUT = 0x00; // Pull pins low
P9DIR = USB_TX | SDC_CSn | GPS_CSn | P9_UNUSED;
P9OUT = SDC_CSn | GPS_CSn;
P9SEL = RTC_SDA | RTC_SCL | USB_TX | USB_RX;
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
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
P11DIR = ACLK_TEST | MCLK_TEST | SMCLK_TEST;
P11OUT = ACLK_TEST | MCLK_TEST | SMCLK_TEST;
P11SEL = ACLK_TEST | MCLK_TEST | SMCLK_TEST;
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;
PJDIR = 0x0F; //set to output as per user's guide
PJOUT = 0x00;
PJDIR = 0x0F; // Set to output as per user's guide
}