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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-03-04 Carl the first version
*/
#include "board.h"
#include "drv_usart.h"
#include "interrupt.h"
#include "serial.h"
#include "rtconfig.h"
#ifdef RT_USING_SERIAL
extern u32 FUart_GetInterruptMask(Ft_Uart *uart_ptr);
static void Ft_Os_Uart_Callback(void *Args, u32 Event, u32 EventData);
static void rt_hw_uart_isr(int irqno, void *param)
{
Ft_Uart *uart_ptr = (Ft_Uart *)param;
FUart_InterruptHandler(uart_ptr);
}
static rt_err_t uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{
struct drv_usart *uart = RT_NULL;
Ft_Uart *uart_ptr = RT_NULL;
u32 RegTemp;
u32 ret;
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
uart = rt_container_of(serial, struct drv_usart, serial);
uart_ptr = uart->handle;
RT_ASSERT(FUart_CfgInitialize(uart_ptr, FUart_LookupConfig(uart_ptr->Config.InstanceId)) == FST_SUCCESS);
FUart_SetHandler(uart_ptr, Ft_Os_Uart_Callback, serial);
rt_hw_interrupt_install(uart_ptr->Config.IsrNum, rt_hw_uart_isr, uart_ptr, "uart");
rt_hw_interrupt_umask(uart_ptr->Config.IsrNum);
//<! 设置波特率
ret = FUart_SetBaudRate(uart_ptr, cfg->baud_rate);
RT_ASSERT(ret == FST_SUCCESS);
//<! 打开接收中断
RegTemp = FUart_GetInterruptMask(uart_ptr);
RegTemp |= UARTMIS_RTMIS;
FUart_SetInterruptMask(uart_ptr, RegTemp);
FUart_SetOptions(uart_ptr, FUART_OPTION_UARTEN | FUART_OPTION_RXEN | FUART_OPTION_TXEN | FUART_OPTION_FIFOEN);
return RT_EOK;
}
static rt_err_t uart_control(struct rt_serial_device *serial, int cmd, void *arg)
{
struct drv_usart *uart = RT_NULL;
Ft_Uart *uart_ptr = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart = rt_container_of(serial, struct drv_usart, serial);
uart_ptr = uart->handle;
switch (cmd)
{
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
rt_hw_interrupt_mask(uart_ptr->Config.IsrNum);
break;
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
rt_hw_interrupt_umask(uart_ptr->Config.IsrNum);
break;
}
return RT_EOK;
}
static void Ft_Os_Uart_Callback(void *Args, u32 Event, u32 EventData)
{
struct rt_serial_device *serial = (struct rt_serial_device *)Args;
if (FUART_EVENT_RECV_DATA == Event || FUART_EVENT_RECV_TOUT == Event)
{
if (serial->serial_rx)
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
}
else if (FUART_EVENT_RECV_ERROR == Event)
{
}
else if (FUART_EVENT_SENT_DATA == Event)
{
}
else if (FUART_EVENT_PARE_FRAME_BRKE == Event)
{
}
else if (FUART_EVENT_RECV_ORERR == Event)
{
}
if (FUART_EVENT_SENT_DATA == Event)
{
}
else
{
}
}
static int uart_putc(struct rt_serial_device *serial, char c)
{
struct drv_usart *uart = RT_NULL;
Ft_Uart *uart_ptr = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart = rt_container_of(serial, struct drv_usart, serial);
uart_ptr = uart->handle;
FUart_SendByte(uart_ptr->Config.BaseAddress, c);
return 1;
}
static int uart_getc(struct rt_serial_device *serial)
{
int ch;
struct drv_usart *uart = RT_NULL;
Ft_Uart *uart_ptr = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart = rt_container_of(serial, struct drv_usart, serial);
uart_ptr = uart->handle;
ch = FUart_GetChar(uart_ptr->Config.BaseAddress);
if (ch == 0xff)
ch = -1;
return ch;
}
static const struct rt_uart_ops _uart_ops =
{
uart_configure,
uart_control,
uart_putc,
uart_getc,
};
#ifdef RT_USING_UART0
static Ft_Uart Ft_Uart0;
static struct drv_usart _RtUart0;
#endif
#ifdef RT_USING_UART1
static Ft_Uart Ft_Uart1;
static struct drv_usart _RtUart1;
#endif
int rt_hw_uart_init(void)
{
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
#ifdef RT_USING_UART0
config.bufsz = RT_SERIAL_RB_BUFSZ;
_RtUart0.serial.ops = &_uart_ops;
_RtUart0.serial.config = config;
Ft_Uart0.Config.InstanceId = FT_UART0_ID;
_RtUart0.Handle = &Ft_Uart0;
rt_hw_serial_register(&_RtUart0.serial, "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&_RtUart0);
#endif
#ifdef RT_USING_UART1
config.bufsz = RT_SERIAL_RB_BUFSZ;
_RtUart1.serial.ops = &_uart_ops;
_RtUart1.serial.config = config;
Ft_Uart1.Config.InstanceId = FT_UART1_ID;
_RtUart1.handle = &Ft_Uart1;
rt_hw_serial_register(&_RtUart1.serial, "uart1",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
&_RtUart1);
#endif
return 0;
}
INIT_BOARD_EXPORT(rt_hw_uart_init);
#endif /* RT_USING_SERIAL */
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