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Change the variables for a switch and a LED to symbols defined by the macros

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This commit is contained in:
kkitayam 2021-11-06 19:32:15 +09:00
parent e4520e7aa7
commit 23ef8b2c64
2 changed files with 18 additions and 21 deletions
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12
hw/bsp/msp432e4/boards/msp_exp432e401y/board.h
View File

@ -27,13 +27,13 @@
#ifndef BOARD_H_
#define BOARD_H_
#define LED_PORT P1OUT
#define LED_PIN BIT0
#define LED_STATE_ON 1
#define CLK_LED 12u
#define GPIO_LED GPION
#define GPIO_LED_PIN 1u
#define BUTTON_PORT P1IN
#define BUTTON_PIN BIT1
#define BUTTON_STATE_ACTIVE 0
#define CLK_BUTTON 8u
#define GPIO_BUTTON GPIOJ
#define GPIO_BUTTON_PIN 0u
#ifdef __cplusplus
extern "C" {

27
hw/bsp/msp432e4/family.c
View File

@ -28,9 +28,6 @@
#include "board.h"
#include "msp.h"
/* Frequency of the external crystal oscillator */
#define XTAL_FREQUENCY 25000000UL
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
@ -82,17 +79,17 @@ void board_init(void)
NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
/* USR_LED1 PN1 */
SYSCTL->RCGCGPIO |= 1u << 12;
while (!(SYSCTL->PRGPIO & (1u << 12))) ;
GPION->DIR = 2u;
GPION->DEN = 2u;
/* USR_LED1 ON1 */
SYSCTL->RCGCGPIO |= TU_BIT(CLK_LED);
while (!(SYSCTL->PRGPIO & TU_BIT(CLK_LED))) ;
GPIO_LED->DIR = TU_BIT(GPIO_LED_PIN);
GPIO_LED->DEN = TU_BIT(GPIO_LED_PIN);
/* USR_SW1 PJ0 */
SYSCTL->RCGCGPIO |= 1u << 8;
while (!(SYSCTL->PRGPIO & (1u << 8))) ;
GPIOJ->PUR = 1u;
GPIOJ->DEN = 1u;
SYSCTL->RCGCGPIO |= TU_BIT(CLK_BUTTON);
while (!(SYSCTL->PRGPIO & TU_BIT(CLK_BUTTON))) ;
GPIO_BUTTON->PUR = TU_BIT(GPIO_BUTTON_PIN);
GPIO_BUTTON->DEN = TU_BIT(GPIO_BUTTON_PIN);
/* UART PA0,1 */
SYSCTL->RCGCGPIO |= 1u << 0;
@ -136,14 +133,14 @@ void board_init(void)
void board_led_write(bool state)
{
if (state)
GPION->DATA |= 2u;
GPIO_LED->DATA |= TU_BIT(GPIO_LED_PIN);
else
GPION->DATA &= ~2u;
GPIO_LED->DATA &= ~TU_BIT(GPIO_LED_PIN);
}
uint32_t board_button_read(void)
{
return (GPIOJ->DATA & 1u) ? 0u : 1u;
return (GPIO_BUTTON->DATA & TU_BIT(GPIO_BUTTON_PIN)) ? 0u : 1u;
}
int board_uart_read(uint8_t * buf, int len)