diff options
Diffstat (limited to 'bsp/sep6200/drivers')
| -rw-r--r-- | bsp/sep6200/drivers/board.c | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/bsp/sep6200/drivers/board.c b/bsp/sep6200/drivers/board.c index 6b68d0297b..3a1ade2752 100644 --- a/bsp/sep6200/drivers/board.c +++ b/bsp/sep6200/drivers/board.c @@ -22,14 +22,14 @@ void rt_hw_serial_putc(const char c); -#define UART0 ((struct uartport *)SEP6200_UART0_BASE) +#define UART0 ((struct uartport *)SEP6200_UART0_BASE) struct rt_device uart0_device; struct serial_int_rx uart0_int_rx; struct serial_device uart0 = { - UART0, - &uart0_int_rx, + UART0, + &uart0_int_rx, RT_NULL }; @@ -38,13 +38,13 @@ struct serial_device uart0 = */ void rt_timer_handler(int vector, void *param) { - rt_uint32_t clear_int; + rt_uint32_t clear_int; - /* clear timer interrupt */ - if (read_reg(SEP6200_TIMER_T2IMSR) & 0x1) - clear_int = read_reg(SEP6200_TIMER_T2ISCR); + /* clear timer interrupt */ + if (read_reg(SEP6200_TIMER_T2IMSR) & 0x1) + clear_int = read_reg(SEP6200_TIMER_T2ISCR); - rt_tick_increase(); + rt_tick_increase(); } /* @@ -52,47 +52,47 @@ void rt_timer_handler(int vector, void *param) */ void rt_serial_handler(int vector, void *param) { - rt_uint32_t num; - switch (vector) { - case INTSRC_UART0: + rt_uint32_t num; + switch (vector) { + case INTSRC_UART0: /*No interrupt*/ - if ((*(RP)SEP6200_UART0_IIR & 0x1)) - return; + if ((*(RP)SEP6200_UART0_IIR & 0x1)) + return; /*Get the serial interrupt num*/ - num = (*(RP)SEP6200_UART0_IIR >> 1) & 0x7; + num = (*(RP)SEP6200_UART0_IIR >> 1) & 0x7; /*Receive or timeout*/ if ((num == 6) || (num == 2)) - rt_hw_serial_isr(&uart0_device); - break; - /*1,2,3 not implemented now, do in future*/ - case INTSRC_UART1: - break; - case INTSRC_UART2: - break; - case INTSRC_UART3: - break; - } + rt_hw_serial_isr(&uart0_device); + break; + /*1,2,3 not implemented now, do in future*/ + case INTSRC_UART1: + break; + case INTSRC_UART2: + break; + case INTSRC_UART3: + break; + } } /* * This function will init timer2 for system ticks */ -#define BUS4_FREQ 320000000UL -#define TIMER_CLK BUS4_FREQ +#define BUS4_FREQ 320000000UL +#define TIMER_CLK BUS4_FREQ #define HZ 100 void rt_hw_timer_init(void) { - *(RP)SEP6200_TIMER_T2LCR = (TIMER_CLK + HZ / 2) / HZ; - *(RP)SEP6200_TIMER_T2CR = 0x6; + *(RP)SEP6200_TIMER_T2LCR = (TIMER_CLK + HZ / 2) / HZ; + *(RP)SEP6200_TIMER_T2CR = 0x6; - rt_hw_interrupt_install(INTSRC_TIMER1, rt_timer_handler, RT_NULL, "timer"); - rt_hw_interrupt_umask(INTSRC_TIMER1); + rt_hw_interrupt_install(INTSRC_TIMER1, rt_timer_handler, RT_NULL, "timer"); + rt_hw_interrupt_umask(INTSRC_TIMER1); - /* start the timer */ - *(RP)SEP6200_TIMER_T2CR |= 0x1; + /* start the timer */ + *(RP)SEP6200_TIMER_T2CR |= 0x1; } /* @@ -101,35 +101,35 @@ void rt_hw_timer_init(void) #define UART_CLK 60000000UL void rt_hw_uart_init(void) { - const rt_uint32_t uartclk = UART_CLK; + const rt_uint32_t uartclk = UART_CLK; - *(RP)(SEP6200_UART0_LCR) = 0x83; - *(RP)(SEP6200_UART0_DLBH) = (uartclk/16/115200) >> 8; - *(RP)(SEP6200_UART0_DLBL) = (uartclk/16/115200) & 0xff; - *(RP)(SEP6200_UART0_LCR) = 0x83 & (~(0x1 << 7)); + *(RP)(SEP6200_UART0_LCR) = 0x83; + *(RP)(SEP6200_UART0_DLBH) = (uartclk/16/115200) >> 8; + *(RP)(SEP6200_UART0_DLBL) = (uartclk/16/115200) & 0xff; + *(RP)(SEP6200_UART0_LCR) = 0x83 & (~(0x1 << 7)); - *(RP)(SEP6200_UART0_FCR) = 0x0; - *(RP)(SEP6200_UART0_MCR) = 0x0; + *(RP)(SEP6200_UART0_FCR) = 0x0; + *(RP)(SEP6200_UART0_MCR) = 0x0; - *(RP)(SEP6200_UART0_IER) = 0x0; - /* Enable rx interrupt*/ - *(RP)(SEP6200_UART0_IER) |= 0x1; - /* Disable tx interrupt*/ - *(RP)(SEP6200_UART0_IER) &= ~(0x1 << 1); + *(RP)(SEP6200_UART0_IER) = 0x0; + /* Enable rx interrupt*/ + *(RP)(SEP6200_UART0_IER) |= 0x1; + /* Disable tx interrupt*/ + *(RP)(SEP6200_UART0_IER) &= ~(0x1 << 1); - rt_hw_interrupt_install(INTSRC_UART0, rt_serial_handler, RT_NULL, "uart0"); - rt_hw_interrupt_umask(INTSRC_UART0); + rt_hw_interrupt_install(INTSRC_UART0, rt_serial_handler, RT_NULL, "uart0"); + rt_hw_interrupt_umask(INTSRC_UART0); - rt_hw_serial_register(&uart0_device, "uart0", - RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM, - &uart0); + rt_hw_serial_register(&uart0_device, "uart0", + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM, + &uart0); } void rt_hw_board_init(void) { int i = 0; - rt_hw_uart_init(); - rt_hw_timer_init(); + rt_hw_uart_init(); + rt_hw_timer_init(); } /* @@ -137,12 +137,12 @@ void rt_hw_board_init(void) */ void rt_hw_serial_putc(const char c) { - if (c == '\n') - rt_hw_serial_putc('\r'); + if (c == '\n') + rt_hw_serial_putc('\r'); - while (!((*(RP)SEP6200_UART0_LSR) & 0x40)); + while (!((*(RP)SEP6200_UART0_LSR) & 0x40)); - *(RP)(SEP6200_UART0_TXFIFO) = c; + *(RP)(SEP6200_UART0_TXFIFO) = c; } /** |