[经验]

【大联大世平ON Semiconductor BLE5.0 RSL10开发板试用体验】+ 点灯试验

chenbingjy

2020-9-15 21:29:52

823

``今天安装了开发环境

参考手册，学习点灯程序：
代码：

/* ----------------------------------------------------------------------------
* Copyright (c) 2017 Semiconductor Components Industries, LLC (d/b/a
* ON Semiconductor), All Rights Reserved
*
* This code is the property of ON Semiconductor and may not be redistributed
* in any form without prior written permission from ON Semiconductor.
* The terms of use and warranty for this code are covered by contractual
* agreements between ON Semiconductor and the licensee.
*
* This is Reusable Code.
*
* ----------------------------------------------------------------------------
* app.c
* - Simple application using a DIO5 input to control a DIO6 output
* ----------------------------------------------------------------------------
* $Revision: 1.11 $
* $Date: 2019/11/11 17:45:11 $
* ------------------------------------------------------------------------- */
#include "app.h"
#include <printf.h>
/* ----------------------------------------------------------------------------
* Function : void DIO0_IRQHandler(void)
* ----------------------------------------------------------------------------
* Description : Toggle the toggle status global flag.
* Inputs : None
* Outputs : None
* Assumptions : None
* ------------------------------------------------------------------------- */
void DIO0_IRQHandler(void)
{
static uint8_t ignore_next_dio_int = 0;
if (ignore_next_dio_int == 1)
{
ignore_next_dio_int = 0;
}
else if (DIO_DATA->ALIAS[BUTTON_DIO] == 0)
{
/* Button is pressed: Ignore next interrupt.
* This is required to deal with the debounce circuit limitations. */
ignore_next_dio_int = 1;
/* Invert toggle status */
if (led_toggle_status == 1)
{
led_toggle_status = 0;
PRINTF("LED BLINK DISABLED
");
}
else
{
led_toggle_status = 1;
PRINTF("LED BLINK ENABLED
");
}
}
}
/* ----------------------------------------------------------------------------
* Function : void Initialize(void)
* ----------------------------------------------------------------------------
* Description : Initialize the system by disabling interrupts, configuring
* the required DIOs and DIO interrupt,
* updating SystemCoreClockUpdate and enabling interrupts.
* Inputs : None
* Outputs : None
* Assumptions : None
* ------------------------------------------------------------------------- */
void Initialize(void)
{
/* Mask all interrupts */
__set_PRIMASK(PRIMASK_DISABLE_INTERRUPTS);
/* Disable all existing interrupts, clearing all pending source */
Sys_NVIC_DisableAllInt();
Sys_NVIC_ClearAllPendingInt();
/* Test DIO12 to pause the program to make it easy to re-flash */
DIO->CFG[RECOVERY_DIO] = DIO_MODE_INPUT | DIO_WEAK_PULL_UP |
DIO_LPF_DISABLE | DIO_6X_DRIVE;
while (DIO_DATA->ALIAS[RECOVERY_DIO] == 0);
/* Setup DIO5 as a GPIO input with interrupts on transitions, DIO6 as a
* GPIO output. Use the integrated debounce circuit to ensure that only a
* single interrupt event occurs for each push of the pushbutton.
* The debounce circuit always has to be used in combination with the
* transition mode to deal with the debounce circuit limitations.
* A debounce filter time of 50 ms is used. */
Sys_DIO_Config(LED_DIO, DIO_MODE_GPIO_OUT_0);
Sys_DIO_Config(BUTTON_DIO, DIO_MODE_GPIO_IN_0 | DIO_WEAK_PULL_UP |
DIO_LPF_DISABLE);
Sys_DIO_IntConfig(0,
DIO_EVENT_TRANSITION | DIO_SRC(BUTTON_DIO) |
DIO_DEBOUNCE_ENABLE,
DIO_DEBOUNCE_SLOWCLK_DIV1024, 49);
NVIC_EnableIRQ(DIO0_IRQn);
printf_init();
/* Unmask all interrupts */
__set_PRIMASK(PRIMASK_ENABLE_INTERRUPTS);
}
/* ----------------------------------------------------------------------------
* Function : int main(void)
* ----------------------------------------------------------------------------
* Description : Initialize the system, then toggle DIO6 as controlled by
* DIO5 (press to toggle input/output).
* Inputs : None
* Outputs : None
* Assumptions : None
* ------------------------------------------------------------------------- */
int main(void)
{
/*Initialize global variables */
led_toggle_status = 1;
/* Initialize the system */
Initialize();
PRINTF("DEVICE INITIALIZED
");
/* Spin loop */
while (1)
{
/* Refresh the watchdog timer */
Sys_Watchdog_Refresh();
/* Toggle GPIO 6 (if toggling is enabled) then wait 0.5 seconds */
if (led_toggle_status == 1)
{
Sys_GPIO_Toggle(LED_DIO);
PRINTF("LED %s
", (DIO->CFG[LED_DIO] & 0x1 ? "ON" : "OFF"));
}
else
{
Sys_GPIO_Set_Low(LED_DIO);
}
Sys_Delay_ProgramROM((uint32_t)(0.5 * SystemCoreClock));
}
}

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