/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2014-07-13 xiaonong port for lpc43xx */ #include <rtthread.h> #include <board.h> #include <rtdevice.h> #include "drv_led.h" #ifdef RT_USING_FINSH #include <finsh.h> #include <shell.h> #endif #ifdef RT_USING_VBUS #include <vbus.h> #endif static const unsigned char _M0_CODE[] rt_section("M0_CODE") = { #include "M0_CODE.h" }; static void _boot_M0(void) { volatile uint32_t u32REG, u32Val; LPC_CREG->M0APPMEMMAP = (uint32_t)&_M0_CODE[0]; // Release Slave from reset, first read status u32REG = LPC_RGU->RESET_ACTIVE_STATUS1; // If the M0 is being held in reset, release it... // 1 = no reset, 0 = reset while(!(u32REG & (1u << 24))) { u32Val = (~(u32REG) & (~(1 << 24))); LPC_RGU->RESET_CTRL1 = u32Val; u32REG = LPC_RGU->RESET_ACTIVE_STATUS1; } rt_kprintf("M0 boot to %p\n", &_M0_CODE[0]); } /* thread phase init */ void rt_init_thread_entry(void *parameter) { /* *register unsigned int _msp __asm("msp"); *register unsigned int _psp __asm("psp"); *rt_kprintf("msp@ %p, psp@ %p\n", _msp, _psp); */ #ifdef RT_USING_FINSH /* initialize finsh */ finsh_system_init(); #if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE) finsh_set_device(RT_CONSOLE_DEVICE_NAME); #endif #endif #ifdef RT_USING_VBUS rt_vbus_do_init(); #endif _boot_M0(); } /*the led thread*/ rt_align(RT_ALIGN_SIZE) static rt_uint8_t led_stack[ 512 ]; static struct rt_thread led_thread; static void led_thread_entry(void *parameter) { rt_uint8_t led_value; rt_device_t led_dev; rt_device_t vbus_dev; rt_err_t err; rt_led_hw_init(); led_dev = rt_device_find("led"); if (led_dev == RT_NULL) { rt_kprintf("can not find the led device\n"); return; } vbus_dev = rt_device_find("vecho"); if (vbus_dev == RT_NULL) { rt_kprintf("can not find the vbus device\n"); return; } err = rt_device_open(vbus_dev, RT_DEVICE_OFLAG_RDWR); if (err != RT_EOK) { rt_kprintf("open vbus failed: %d\n", err); return; } led_value = 0; while (1) { int len; led_dev->write(led_dev, 0, &led_value, sizeof(led_value)); led_value = !led_value; len = rt_device_write(vbus_dev, 0, &led_value, sizeof(led_value)); if (len <= 0) { rt_kprintf("vbus write err: %d, %d\n", len, rt_get_errno()); } rt_thread_delay(1000); } } int rt_application_init(void) { rt_thread_t tid; rt_err_t result; tid = rt_thread_create("init", rt_init_thread_entry, RT_NULL, 2048, 3, 20); if (tid != RT_NULL) rt_thread_startup(tid); /* init led thread */ result = rt_thread_init(&led_thread, "led", led_thread_entry, RT_NULL, (rt_uint8_t *)&led_stack[0], sizeof(led_stack), 20, 5); if (result == RT_EOK) { rt_thread_startup(&led_thread); } return 0; }