diff --git a/bsp/v2m-mps2/README.md b/bsp/v2m-mps2/README.md index 1aa79c01b7..fc5f3ed90a 100644 --- a/bsp/v2m-mps2/README.md +++ b/bsp/v2m-mps2/README.md @@ -24,7 +24,7 @@ V2M-MPS2板级包支持MDK5（已测试MDK5.23~MDK5.25） - [Windows 7: Enabling Telnet Client](https://social.technet.microsoft.com/wiki/contents/articles/910.windows-7-enabling-telnet-client.aspx) - [Windows 10: Enabling Telnet Client](https://social.technet.microsoft.com/wiki/contents/articles/38433.windows-10-enabling-telnet-client.aspx) -打开project.uvprojx，编译，点击Debug->Start/Stop Seccion就可以进入仿真了。 +打开project.uvprojx，编译，点击Debug->Start/Stop Session就可以进入仿真了。 ### 3.2 如何选择其他内核 @@ -54,7 +54,7 @@ finsh /> | 驱动 | 支持情况 | 备注 | | ------ | ---- | :------: | -| UART | 支持 | UART0/1/2/3 | +| UART | 支持 | UART0/1/2 | | GPIO | 未支持 | | | LED | 未支持 | | | BUTTOM | 未支持 | | diff --git a/bsp/v2m-mps2/drivers/drv_uart.c b/bsp/v2m-mps2/drivers/drv_uart.c index 944242deb8..c996ca2414 100644 --- a/bsp/v2m-mps2/drivers/drv_uart.c +++ b/bsp/v2m-mps2/drivers/drv_uart.c @@ -31,16 +31,14 @@ #ifndef RT_USING_DEVICE #error "you must define RT_USING_DEVICE with uart device" -#endif - -#ifndef RT_UART_RX_BUFFER_SIZE -#define RT_UART_RX_BUFFER_SIZE 16 +#else +#include #endif /* uart driver */ -struct fvp_uart +struct v2m_uart { - struct rt_device parent; + struct rt_serial_device serial; CMSDK_UART_TypeDef * uart_base; CMSDK_GPIO_TypeDef * rx_pingpio; // Pin GPIO @@ -49,62 +47,34 @@ struct fvp_uart uint8_t tx_pinnum; IRQn_Type uart_irq_rx; - IRQn_Type uart_irq_tx; + //IRQn_Type uart_irq_tx; - /* buffer for reception */ - rt_uint8_t read_index, save_index; - rt_uint8_t rx_buffer[RT_UART_RX_BUFFER_SIZE]; }; #ifdef RT_USING_UART0 -struct fvp_uart uart0_device; +struct v2m_uart uart0_device; #endif #ifdef RT_USING_UART1 -struct fvp_uart uart1_device; +struct v2m_uart uart1_device; #endif #ifdef RT_USING_UART2 -struct fvp_uart uart2_device; +struct v2m_uart uart2_device; #endif -#ifdef RT_USING_UART3 -struct fvp_uart uart3_device; -#endif - -static void uart_irq_handler(struct fvp_uart* uart) +static void uart_irq_handler(struct rt_serial_device *serial) { - rt_ubase_t level; uint32_t status; - uint8_t data; + struct v2m_uart *uart; - status = uart->uart_base->INTSTATUS; - data = uart->uart_base->DATA; + uart = (struct v2m_uart *)serial->parent.user_data; /* enter interrupt */ rt_interrupt_enter(); - - level = rt_hw_interrupt_disable(); - uart->rx_buffer[uart->save_index] = data; - uart->save_index ++; - if (uart->save_index >= RT_UART_RX_BUFFER_SIZE) - { - uart->save_index = 0; - } - rt_hw_interrupt_enable(level); - - /* invoke callback */ - if (uart->parent.rx_indicate != RT_NULL) - { - rt_size_t length; - if (uart->read_index > uart->save_index) - length = RT_UART_RX_BUFFER_SIZE - uart->read_index + uart->save_index; - else - length = uart->save_index - uart->read_index; - - uart->parent.rx_indicate(&uart->parent, length); - } - + + status = uart->uart_base->INTSTATUS; + rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND); uart->uart_base->INTCLEAR = status; /* leave interrupt */ @@ -114,223 +84,144 @@ static void uart_irq_handler(struct fvp_uart* uart) #ifdef RT_USING_UART0 void UART0RX_Handler(void) { - uart_irq_handler(&uart0_device); + uart_irq_handler(&uart0_device.serial); } #endif #ifdef RT_USING_UART1 void UART1RX_Handler(void) { - uart_irq_handler(&uart1_device); + uart_irq_handler(&uart1_device.serial); } #endif #ifdef RT_USING_UART2 void UART2RX_Handler(void) { - uart_irq_handler(&uart2_device); + uart_irq_handler(&uart2_device.serial); } #endif -#ifdef RT_USING_UART3 -void UART3RX_Handler(void) +static rt_err_t v2m_configure(struct rt_serial_device *serial, struct serial_configure *cfg) { - uart_irq_handler(&uart3_device); -} -#endif + struct v2m_uart *uart; -static rt_err_t rt_uart_init (rt_device_t dev) -{ - struct fvp_uart* uart; - RT_ASSERT(dev != RT_NULL); - uart = (struct fvp_uart *)dev; + RT_ASSERT(serial != RT_NULL); + RT_ASSERT(cfg != RT_NULL); + + uart = (struct v2m_uart *)serial->parent.user_data; + + uart->uart_base->BAUDDIV = SystemCoreClock / cfg->baud_rate; + uart->uart_base->CTRL = CMSDK_UART_CTRL_TXEN_Msk | CMSDK_UART_CTRL_RXEN_Msk | CMSDK_UART_CTRL_RXIRQEN_Msk; uart->rx_pingpio->ALTFUNCSET |= (1u << uart->rx_pinnum); uart->tx_pingpio->ALTFUNCSET |= (1u << uart->tx_pinnum); - uart->uart_base->CTRL = CMSDK_UART_CTRL_TXEN_Msk | CMSDK_UART_CTRL_RXEN_Msk | CMSDK_UART_CTRL_RXIRQEN_Msk; - uart->uart_base->BAUDDIV = SystemCoreClock / 115200; - return RT_EOK; } -static rt_err_t rt_uart_open(rt_device_t dev, rt_uint16_t oflag) +static rt_err_t v2m_control(struct rt_serial_device *serial, int cmd, void *arg) { - struct fvp_uart* uart; - RT_ASSERT(dev != RT_NULL); - uart = (struct fvp_uart *)dev; + struct v2m_uart *uart; - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - /* Enable the UART Interrupt */ - NVIC_EnableIRQ(uart->uart_irq_rx); - } + RT_ASSERT(serial != RT_NULL); + uart = (struct v2m_uart *)serial->parent.user_data; - return RT_EOK; + switch (cmd) + { + case RT_DEVICE_CTRL_CLR_INT: + /* disable rx irq */ + NVIC_DisableIRQ(uart->uart_irq_rx); + break; + case RT_DEVICE_CTRL_SET_INT: + /* enable rx irq */ + NVIC_EnableIRQ(uart->uart_irq_rx); + break; + } + + return RT_EOK; } -static rt_err_t rt_uart_close(rt_device_t dev) +static int v2m_putc(struct rt_serial_device *serial, char c) { - struct fvp_uart* uart; - RT_ASSERT(dev != RT_NULL); - uart = (struct fvp_uart *)dev; + struct v2m_uart *uart; - if (dev->flag & RT_DEVICE_FLAG_INT_RX) - { - /* Disable the UART Interrupt */ - NVIC_DisableIRQ(uart->uart_irq_rx); - } - - return RT_EOK; + RT_ASSERT(serial != RT_NULL); + uart = (struct v2m_uart *)serial->parent.user_data; + + while (uart->uart_base->STATE & CMSDK_UART_STATE_TXBF_Msk); + uart->uart_base->DATA = c; + + return 1; } -static rt_size_t rt_uart_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size) +static int v2m_getc(struct rt_serial_device *serial) { - struct fvp_uart* uart = (struct fvp_uart *)dev; - rt_uint8_t *ptr; - rt_size_t length; + int ch; + struct v2m_uart *uart; - RT_ASSERT(dev != RT_NULL); - RT_ASSERT(buffer != RT_NULL); + RT_ASSERT(serial != RT_NULL); + uart = (struct v2m_uart *)serial->parent.user_data; - ptr = (rt_uint8_t *) buffer; - while (size) - { - /* interrupt receive */ - rt_base_t level; - - /* disable interrupt */ - level = rt_hw_interrupt_disable(); - if (uart->read_index != uart->save_index) - { - *ptr = uart->rx_buffer[uart->read_index]; - - uart->read_index ++; - if (uart->read_index >= RT_UART_RX_BUFFER_SIZE) - uart->read_index = 0; - } - else - { - /* no data in rx buffer */ - - /* enable interrupt */ - rt_hw_interrupt_enable(level); - break; - } - - /* enable interrupt */ - rt_hw_interrupt_enable(level); - - ptr ++; - size --; - } - - length = (rt_uint32_t)ptr - (rt_uint32_t)buffer; - return length; + ch = -1; + if (uart->uart_base->STATE & CMSDK_UART_STATE_RXBF_Msk) + ch = uart->uart_base->DATA & 0xff; + return ch; } -static rt_size_t rt_uart_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size) +static const struct rt_uart_ops v2m_uart_ops = { - char *ptr = (char*) buffer; - struct fvp_uart* uart = (struct fvp_uart *)dev; - - RT_ASSERT(dev != RT_NULL); - RT_ASSERT(buffer != RT_NULL); - - if (dev->open_flag & RT_DEVICE_FLAG_STREAM) - { - /* stream mode */ - while (size) - { - if (*ptr == '\n') - { - while (uart->uart_base->STATE & CMSDK_UART_STATE_TXBF_Msk); - uart->uart_base->DATA = '\r'; - } - - while (uart->uart_base->STATE & CMSDK_UART_STATE_TXBF_Msk); - uart->uart_base->DATA = *ptr; - - ptr++; - size--; - } - } - else - { - while (size) - { - while (uart->uart_base->STATE & CMSDK_UART_STATE_TXBF_Msk); - uart->uart_base->DATA = *ptr; - - ptr++; - size--; - } - } - - return (rt_size_t)ptr - (rt_size_t)buffer; -} + v2m_configure, + v2m_control, + v2m_putc, + v2m_getc, +}; int rt_hw_usart_init(void) { + struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT; #ifdef RT_USING_UART0 { - struct fvp_uart* uart; + struct v2m_uart* uart; /* get uart device */ uart = &uart0_device; /* device initialization */ - uart->parent.type = RT_Device_Class_Char; uart->uart_base = CMSDK_UART0; uart->uart_irq_rx = UART0RX_IRQn; - uart->read_index = 0; - uart->save_index = 0; - rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer)); + + uart->serial.ops = &v2m_uart_ops; + uart->serial.config = config; - /* device interface */ - uart->parent.init = rt_uart_init; - uart->parent.open = rt_uart_open; - uart->parent.close = rt_uart_close; - uart->parent.read = rt_uart_read; - uart->parent.write = rt_uart_write; - uart->parent.control = RT_NULL; - uart->parent.user_data = RT_NULL; - - rt_device_register(&uart->parent, "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX); + rt_hw_serial_register(&uart->serial, + "uart0", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, + uart); } -#endif /* RT_USING_UART1 */ +#endif /* RT_USING_UART0 */ #ifdef RT_USING_UART1 { - struct fvp_uart* uart; + struct v2m_uart* uart; /* get uart device */ uart = &uart1_device; /* device initialization */ - uart->parent.type = RT_Device_Class_Char; uart->uart_base = CMSDK_UART1; uart->uart_irq_rx = UART1RX_IRQn; - uart->read_index = 0; - uart->save_index = 0; - rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer)); - /* device interface */ - uart->parent.init = rt_uart_init; - uart->parent.open = rt_uart_open; - uart->parent.close = rt_uart_close; - uart->parent.read = rt_uart_read; - uart->parent.write = rt_uart_write; - uart->parent.control = RT_NULL; - uart->parent.user_data = RT_NULL; - - rt_device_register(&uart->parent, "uart1", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX); + rt_hw_serial_register(&uart->serial, + "uart1", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, + uart); } #endif /* RT_USING_UART1 */ #ifdef RT_USING_UART2 { - struct fvp_uart* uart; + struct v2m_uart* uart; /* get uart device */ uart = &uart2_device; @@ -338,21 +229,11 @@ int rt_hw_usart_init(void) /* device initialization */ uart->uart_base = CMSDK_UART2; uart->uart_irq_rx = UART2RX_IRQn; - uart->read_index = 0; - uart->save_index = 0; - rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer)); - /* device interface */ - uart->parent.type = RT_Device_Class_Char; - uart->parent.init = rt_uart_init; - uart->parent.open = rt_uart_open; - uart->parent.close = rt_uart_close; - uart->parent.read = rt_uart_read; - uart->parent.write = rt_uart_write; - uart->parent.control = RT_NULL; - uart->parent.user_data = RT_NULL; - - rt_device_register(&uart->parent, "uart2", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX); + rt_hw_serial_register(&uart->serial, + "uart2", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, + uart); } #endif /* RT_USING_UART2 */ return 0; diff --git a/bsp/v2m-mps2/project.uvoptx b/bsp/v2m-mps2/project.uvoptx index 1e95fcac2e..49b2063e01 100644 --- a/bsp/v2m-mps2/project.uvoptx +++ b/bsp/v2m-mps2/project.uvoptx @@ -148,24 +148,7 @@ UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000) - - - 0 - 0 - 150 - 1 -
2206
- 0 - 0 - 0 - 0 - 0 - 1 - ..\..\src\components.c - - \\rtthread_v2m_mps2\../../src/components.c\150 - - + 0