289 lines
6.5 KiB
C
289 lines
6.5 KiB
C
/*
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* Copyright (c) 2020-2021, Bluetrum 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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* 2020-11-18 greedyhao first version
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*/
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#include <rthw.h>
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#include "board.h"
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int rt_hw_usart_init(void);
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void my_printf(const char *format, ...);
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void my_print_r(const void *buf, uint16_t cnt);
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void timer0_cfg(uint32_t ticks);
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void rt_soft_isr(int vector, void *param);
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void cpu_irq_comm(void);
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void set_cpu_irq_comm(void (*irq_hook)(void));
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void load_cache();
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void os_cache_init(void);
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void sys_error_hook(uint8_t err_no);
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void huart_timer_isr(void);
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typedef void (*spiflash_init_func)(uint8_t sf_read, uint8_t dummy);
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static struct rt_mutex mutex_spiflash = {0};
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static struct rt_mutex mutex_cache = {0};
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extern volatile rt_uint8_t rt_interrupt_nest;
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extern uint32_t __heap_start, __heap_end;
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#ifdef RT_USING_CONSOLE
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void hal_printf(const char *fmt, ...)
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{
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rt_device_t console = rt_console_get_device();
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va_list args;
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rt_size_t length;
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static char rt_log_buf[RT_CONSOLEBUF_SIZE];
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va_start(args, fmt);
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/* the return value of vsnprintf is the number of bytes that would be
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* written to buffer had if the size of the buffer been sufficiently
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* large excluding the terminating null byte. If the output string
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* would be larger than the rt_log_buf, we have to adjust the output
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* length. */
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length = rt_vsnprintf(rt_log_buf, sizeof(rt_log_buf) - 1, fmt, args);
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if (length > RT_CONSOLEBUF_SIZE - 1)
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length = RT_CONSOLEBUF_SIZE - 1;
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#ifdef RT_USING_DEVICE
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if (console == RT_NULL)
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{
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rt_hw_console_output(rt_log_buf);
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}
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else
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{
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rt_uint16_t old_flag = console->open_flag;
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console->open_flag |= RT_DEVICE_FLAG_STREAM;
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rt_device_write(console, 0, rt_log_buf, length);
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console->open_flag = old_flag;
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}
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#else
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rt_hw_console_output(rt_log_buf);
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#endif
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va_end(args);
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}
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#endif
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rt_section(".irq")
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void os_interrupt_enter(void)
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{
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rt_interrupt_enter();
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}
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rt_section(".irq")
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void os_interrupt_leave(void)
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{
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rt_interrupt_leave();
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}
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typedef void (*isr_t)(void);
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rt_section(".irq")
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isr_t register_isr(int vector, isr_t isr)
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{
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char buf[8] = {0};
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rt_snprintf(buf, sizeof(buf), "sys%d", vector);
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rt_isr_handler_t handle = (rt_isr_handler_t)isr;
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rt_hw_interrupt_install(vector, handle, RT_NULL, buf);
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}
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rt_section(".irq.timer")
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void timer0_isr(int vector, void *param)
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{
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rt_interrupt_enter();
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TMR0CPND = BIT(9);
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rt_tick_increase();
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#ifdef RT_USING_SERIAL
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huart_timer_isr();
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#endif
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rt_interrupt_leave();
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}
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void timer0_init(void)
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{
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TMR0CON = BIT(7); //TIE
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TMR0CNT = 0;
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rt_hw_interrupt_install(IRQ_TMR0_VECTOR, timer0_isr, RT_NULL, "tick");
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}
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void timer0_cfg(uint32_t ticks)
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{
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TMR0PR = (uint32_t)(ticks - 1UL); //1ms interrupt
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TMR0CON |= BIT(0); // EN
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}
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uint32_t hal_get_ticks(void)
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{
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return rt_tick_get();
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}
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void hal_mdelay(uint32_t nms)
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{
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rt_thread_mdelay(nms);
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}
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void hal_udelay(uint32_t nus)
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{
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rt_hw_us_delay(nus);
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}
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/**
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* The time delay function.
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*
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* @param us microseconds.
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*/
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rt_section(".com_text")
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void rt_hw_us_delay(rt_uint32_t us)
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{
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rt_uint32_t ticks;
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rt_uint32_t told, tnow, tcnt = 0;
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rt_uint32_t reload = TMR0PR;
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ticks = us * reload / (1000 / RT_TICK_PER_SECOND);
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told = TMR0CNT;
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while (1)
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{
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tnow = TMR0CNT;
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if (tnow != told)
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{
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if (tnow < told)
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{
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tcnt += told - tnow;
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}
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else
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{
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tcnt += reload - tnow + told;
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}
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told = tnow;
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if (tcnt >= ticks)
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{
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break;
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}
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}
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}
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}
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void rt_hw_systick_init(void)
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{
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CLKCON2 &= 0x00ffffff;
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CLKCON2 |= (25 << 24); //配置x26m_div_clk = 1M (timer, ir, fmam ...用到)
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CLKCON0 &= ~(7 << 23);
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CLKCON0 |= BIT(24); //tmr_inc select x26m_div_clk = 1M
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set_sysclk(SYSCLK_48M);
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/* Setting software interrupt */
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set_cpu_irq_comm(cpu_irq_comm);
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rt_hw_interrupt_install(IRQ_SW_VECTOR, rt_soft_isr, RT_NULL, "sw_irq");
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timer0_init();
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hal_set_tick_hook(timer0_cfg);
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hal_set_ticks(get_sysclk_nhz() / RT_TICK_PER_SECOND);
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PICCON |= 0x10002;
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}
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void rt_hw_board_init(void)
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{
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WDT_DIS();
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rt_hw_systick_init();
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#ifdef RT_USING_HEAP
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rt_system_heap_init(&__heap_start, &__heap_end);
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#endif
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#ifdef RT_USING_PIN
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rt_hw_pin_init();
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#endif // RT_USING_PIN
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#ifdef RT_USING_SERIAL
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rt_hw_usart_init();
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#endif // RT_USING_SERIAL
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif // RT_USING_CONSOLE
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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}
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rt_section(".irq.cache")
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void cache_init(void)
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{
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os_cache_init();
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rt_mutex_init(&mutex_spiflash, "flash_mutex", RT_IPC_FLAG_PRIO);
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rt_mutex_init(&mutex_cache, "cache_mutex", RT_IPC_FLAG_PRIO);
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}
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rt_section(".irq.cache")
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void os_spiflash_lock(void)
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{
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if ((rt_thread_self() != RT_NULL) && (rt_interrupt_nest == 0))
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{
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rt_mutex_take(&mutex_spiflash, RT_WAITING_FOREVER);
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}
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}
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rt_section(".irq.cache")
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void os_spiflash_unlock(void)
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{
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if ((rt_thread_self() != RT_NULL) && (rt_interrupt_nest == 0))
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{
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rt_mutex_release(&mutex_spiflash);
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}
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}
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rt_section(".irq.cache")
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void os_cache_lock(void)
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{
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if ((rt_thread_self() != RT_NULL) && (rt_interrupt_nest == 0))
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{
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rt_mutex_take(&mutex_cache, RT_WAITING_FOREVER);
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}
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}
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rt_section(".irq.cache")
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void os_cache_unlock(void)
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{
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if ((rt_thread_self() != RT_NULL) && (rt_interrupt_nest == 0))
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{
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rt_mutex_release(&mutex_cache);
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}
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}
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rt_section(".irq.err.str")
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static const char stack_info[] = "thread sp=0x%x name=%s";
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void rt_hw_console_output(const char *str)
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{
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my_printf(str);
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}
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/**
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* @brief print exception error
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* @note Every message needed to print, must put in .comm exction.
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* @note (IRQ in Flash: %x %x - %x %x\n, -, rt_interrupt_nest, PC, miss_addr)
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* miss_addr: The address in map file minus 0x10000000
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*/
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rt_section(".irq.err")
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void exception_isr(void)
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{
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#if defined(RT_USING_FINSH) && defined(MSH_USING_BUILT_IN_COMMANDS)
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extern long list_thread(void);
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#endif
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sys_error_hook(1);
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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rt_console_set_device(RT_NULL);
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rt_kprintf(stack_info, rt_thread_self()->sp, rt_thread_self()->parent.name);
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#endif
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while (1);
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}
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