130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/*
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* Copyright (c) 2006-2020, 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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* 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 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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extern uint32_t __heap_start, __heap_end;
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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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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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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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void hal_mdelay(uint32_t ms)
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{
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rt_thread_mdelay(ms);
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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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#ifdef RT_USING_CONSOLE
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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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