145 lines
3.1 KiB
C
145 lines
3.1 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2014-07-13 xiaonong port for lpc43xx
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*/
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#include <rtthread.h>
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#include <board.h>
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#include <rtdevice.h>
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#include "drv_led.h"
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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#include <shell.h>
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#endif
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#ifdef RT_USING_VBUS
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#include <vbus.h>
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#endif
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static const unsigned char _M0_CODE[] SECTION("M0_CODE") = {
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#include "M0_CODE.h"
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};
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static void _boot_M0(void)
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{
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volatile uint32_t u32REG, u32Val;
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LPC_CREG->M0APPMEMMAP = (uint32_t)&_M0_CODE[0];
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// Release Slave from reset, first read status
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u32REG = LPC_RGU->RESET_ACTIVE_STATUS1;
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// If the M0 is being held in reset, release it...
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// 1 = no reset, 0 = reset
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while(!(u32REG & (1u << 24)))
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{
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u32Val = (~(u32REG) & (~(1 << 24)));
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LPC_RGU->RESET_CTRL1 = u32Val;
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u32REG = LPC_RGU->RESET_ACTIVE_STATUS1;
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}
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rt_kprintf("M0 boot to %p\n", &_M0_CODE[0]);
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}
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/* thread phase init */
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void rt_init_thread_entry(void *parameter)
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{
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/*
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*register unsigned int _msp __asm("msp");
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*register unsigned int _psp __asm("psp");
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*rt_kprintf("msp@ %p, psp@ %p\n", _msp, _psp);
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*/
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#ifdef RT_USING_FINSH
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/* initialize finsh */
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finsh_system_init();
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finsh_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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#ifdef RT_USING_VBUS
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rt_vbus_do_init();
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#endif
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_boot_M0();
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}
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/*the led thread*/
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ALIGN(RT_ALIGN_SIZE)
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static rt_uint8_t led_stack[ 512 ];
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static struct rt_thread led_thread;
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static void led_thread_entry(void *parameter)
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{
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rt_uint8_t led_value;
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rt_device_t led_dev;
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rt_device_t vbus_dev;
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rt_err_t err;
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rt_led_hw_init();
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led_dev = rt_device_find("led");
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if (led_dev == RT_NULL)
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{
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rt_kprintf("can not find the led device\n");
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return;
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}
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vbus_dev = rt_device_find("vecho");
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if (vbus_dev == RT_NULL)
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{
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rt_kprintf("can not find the vbus device\n");
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return;
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}
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err = rt_device_open(vbus_dev, RT_DEVICE_OFLAG_RDWR);
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if (err != RT_EOK)
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{
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rt_kprintf("open vbus failed: %d\n", err);
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return;
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}
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led_value = 0;
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while (1)
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{
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int len;
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led_dev->write(led_dev, 0, &led_value, sizeof(led_value));
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led_value = !led_value;
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len = rt_device_write(vbus_dev, 0, &led_value, sizeof(led_value));
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if (len <= 0)
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{
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rt_kprintf("vbus write err: %d, %d\n", len, rt_get_errno());
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}
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rt_thread_delay(1000);
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}
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}
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int rt_application_init(void)
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{
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rt_thread_t tid;
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rt_err_t result;
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tid = rt_thread_create("init",
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rt_init_thread_entry, RT_NULL,
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2048, 3, 20);
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if (tid != RT_NULL)
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rt_thread_startup(tid);
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/* init led thread */
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result = rt_thread_init(&led_thread, "led",
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led_thread_entry, RT_NULL,
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(rt_uint8_t *)&led_stack[0], sizeof(led_stack),
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20, 5);
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if (result == RT_EOK)
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{
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rt_thread_startup(&led_thread);
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}
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return 0;
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}
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