diff options
Diffstat (limited to 'bsp/mb9bf568r/drivers')
| -rw-r--r-- | bsp/mb9bf568r/drivers/board.c | 2 | ||||
| -rw-r--r-- | bsp/mb9bf568r/drivers/serial.c | 46 | ||||
| -rw-r--r-- | bsp/mb9bf568r/drivers/serial.h | 32 |
3 files changed, 40 insertions, 40 deletions
diff --git a/bsp/mb9bf568r/drivers/board.c b/bsp/mb9bf568r/drivers/board.c index 1b2cf35e62..bd44ad80b1 100644 --- a/bsp/mb9bf568r/drivers/board.c +++ b/bsp/mb9bf568r/drivers/board.c @@ -60,7 +60,7 @@ rt_uint32_t rt_hw_tick_get_microsecond(void) rt_tick_t tick; rt_uint32_t value; -#define TICK_US (1000000/RT_TICK_PER_SECOND) +#define TICK_US (1000000/RT_TICK_PER_SECOND) tick = rt_tick_get(); value = tick * TICK_US + (SysTick->LOAD - SysTick->VAL) * TICK_US / SysTick->LOAD; diff --git a/bsp/mb9bf568r/drivers/serial.c b/bsp/mb9bf568r/drivers/serial.c index 5e12b3c22f..6c3a132216 100644 --- a/bsp/mb9bf568r/drivers/serial.c +++ b/bsp/mb9bf568r/drivers/serial.c @@ -254,16 +254,16 @@ rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, { RT_ASSERT(device != RT_NULL); - device->type = RT_Device_Class_Char; + device->type = RT_Device_Class_Char; device->rx_indicate = RT_NULL; device->tx_complete = RT_NULL; - device->init = rt_serial_init; - device->open = rt_serial_open; - device->close = rt_serial_close; - device->read = rt_serial_read; - device->write = rt_serial_write; - device->control = rt_serial_control; - device->user_data = serial; + device->init = rt_serial_init; + device->open = rt_serial_open; + device->close = rt_serial_close; + device->read = rt_serial_read; + device->write = rt_serial_write; + device->control = rt_serial_control; + device->user_data = serial; /* register a character device */ return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag); @@ -299,7 +299,7 @@ void rt_hw_serial_isr(rt_device_t device) #ifdef RT_USING_UART0 /* UART0 device driver structure */ -#define UART0 FM4_MFS0 +#define UART0 FM4_MFS0 struct serial_int_rx uart0_int_rx; struct serial_device uart0 = { @@ -312,8 +312,8 @@ struct serial_device uart0 = struct rt_device uart0_device; void MFS0_RX_IRQHandler(void) -{ - /* enter interrupt */ +{ + /* enter interrupt */ rt_interrupt_enter(); rt_hw_serial_isr(&uart0_device); /* leave interrupt */ @@ -326,28 +326,28 @@ void MFS0_RX_IRQHandler(void) void rt_hw_serial_init(void) { - uint32_t APB2_clock = (SystemCoreClock >> (APBC2_PSR_Val & 0x03)); - + uint32_t APB2_clock = (SystemCoreClock >> (APBC2_PSR_Val & 0x03)); + #ifdef RT_USING_UART0 // Initialize ports for MFS0 - FM4_GPIO->PFR2 = 0x06u; // P21>SIN0_0, P22>SOT0_0 - FM4_GPIO->EPFR07 &= 0xFFFFFF0Ful; - FM4_GPIO->EPFR07 |= 0x00000040ul; - - // Initialize MFS to UART asynchronous mode - - uart0.uart_device->SMR = SMR_MD_UART | SMR_SOE;; + FM4_GPIO->PFR2 = 0x06u; // P21>SIN0_0, P22>SOT0_0 + FM4_GPIO->EPFR07 &= 0xFFFFFF0Ful; + FM4_GPIO->EPFR07 |= 0x00000040ul; + + // Initialize MFS to UART asynchronous mode + + uart0.uart_device->SMR = SMR_MD_UART | SMR_SOE;; uart0.uart_device->BGR = (APB2_clock + (BPS/2))/BPS - 1; /* round */ uart0.uart_device->ESCR = ESCR_DATABITS_8; uart0.uart_device->SCR = SCR_RXE | SCR_TXE | SCR_RIE; - + /* register UART0 device */ rt_hw_serial_register(&uart0_device, "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM, &uart0); - - + + #endif /**< #ifdef RT_USING_UART0 */ } diff --git a/bsp/mb9bf568r/drivers/serial.h b/bsp/mb9bf568r/drivers/serial.h index 832a0ee5c5..776b2a3877 100644 --- a/bsp/mb9bf568r/drivers/serial.h +++ b/bsp/mb9bf568r/drivers/serial.h @@ -6,7 +6,7 @@ * Change Logs: * Date Author Notes * 2006-03-13 Bernard first version - * 2011-05-15 lgnq modified according bernard's implementaion. + * 2011-05-15 lgnq modified according bernard's implementaion. */ #ifndef __RT_HW_SERIAL_H__ @@ -53,21 +53,21 @@ #define ESCR_DATABITS_7 0x03U #define ESCR_DATABITS_9 0x04U -#define BPS 115200 /* serial baudrate */ +#define BPS 115200 /* serial baudrate */ -#define UART_RX_BUFFER_SIZE 128 -#define UART_TX_BUFFER_SIZE 128 +#define UART_RX_BUFFER_SIZE 128 +#define UART_TX_BUFFER_SIZE 128 struct serial_int_rx { - rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE]; - rt_uint32_t read_index, save_index; + rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE]; + rt_uint32_t read_index, save_index; }; struct serial_int_tx { - rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE]; - rt_uint32_t write_index, save_index; + rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE]; + rt_uint32_t write_index, save_index; }; /* @@ -79,15 +79,15 @@ struct serial_int_tx struct serial_device { - FM4_MFS_TypeDef* uart_device; - /* irq number */ - IRQn_Type rx_irq; - IRQn_Type tx_irq; + FM4_MFS_TypeDef* uart_device; + /* irq number */ + IRQn_Type rx_irq; + IRQn_Type tx_irq; - /* rx structure */ - struct serial_int_rx* int_rx; - /* tx structure */ - struct serial_int_tx* int_tx; + /* rx structure */ + struct serial_int_rx* int_rx; + /* tx structure */ + struct serial_int_tx* int_tx; }; void rt_hw_serial_isr(rt_device_t device); |