diff options
Diffstat (limited to 'bsp/microblaze/board.c')
| -rwxr-xr-x | bsp/microblaze/board.c | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/bsp/microblaze/board.c b/bsp/microblaze/board.c index 1de9171151..817666999c 100755 --- a/bsp/microblaze/board.c +++ b/bsp/microblaze/board.c @@ -33,83 +33,83 @@ #include "serial.h" #endif -#define TIMER_CNTR_0 0 -#define PIV (XPAR_PROC_BUS_0_FREQ_HZ / RT_TICK_PER_SECOND) -#define LEDS_DEVICE_ID XPAR_LEDS_4BITS_DEVICE_ID -#define RS232_DEVICE_ID XPAR_USB_UART_DEVICE_ID +#define TIMER_CNTR_0 0 +#define PIV (XPAR_PROC_BUS_0_FREQ_HZ / RT_TICK_PER_SECOND) +#define LEDS_DEVICE_ID XPAR_LEDS_4BITS_DEVICE_ID +#define RS232_DEVICE_ID XPAR_USB_UART_DEVICE_ID #ifdef RT_USING_UART1 -#define USB_UART_BASE ((struct uartport *)XPAR_USB_UART_BASEADDR) +#define USB_UART_BASE ((struct uartport *)XPAR_USB_UART_BASEADDR) #endif /* Global Variables: */ -XTmrCtr timer; /* The instance of the timer */ -XGpio gpio_output; /* The driver instance for GPIO Device configured as O/P */ -XUartLite uart_lite; /* Instance of the UartLite device */ -XIntc int_ctl; /* The instance of the Interrupt Controller */ -static rt_uint32_t led_data; +XTmrCtr timer; /* The instance of the timer */ +XGpio gpio_output; /* The driver instance for GPIO Device configured as O/P */ +XUartLite uart_lite; /* Instance of the UartLite device */ +XIntc int_ctl; /* The instance of the Interrupt Controller */ +static rt_uint32_t led_data; static int cnt; static void rt_hw_board_led_init(void); -/** +/** * This function will init led on the board */ static void rt_hw_board_led_init() { - rt_uint32_t status; - led_data = 0; - cnt = 0; - status = XGpio_Initialize(&gpio_output, LEDS_DEVICE_ID); - if (status != XST_SUCCESS) - { - return; - } + rt_uint32_t status; + led_data = 0; + cnt = 0; + status = XGpio_Initialize(&gpio_output, LEDS_DEVICE_ID); + if (status != XST_SUCCESS) + { + return; + } - /* - * Set the direction for all signals to be outputs - */ - XGpio_SetDataDirection(&gpio_output, 1, 0x0); - /* - * Set the GPIO outputs to high - */ - XGpio_DiscreteWrite(&gpio_output, 1, 3); + /* + * Set the direction for all signals to be outputs + */ + XGpio_SetDataDirection(&gpio_output, 1, 0x0); + /* + * Set the GPIO outputs to high + */ + XGpio_DiscreteWrite(&gpio_output, 1, 3); } -/** +/** * This function will take the led on board on. * * @param n the number nth led */ void rt_hw_board_led_on(rt_uint32_t led) { - led_data |= led; - XGpio_DiscreteWrite(&gpio_output, 1, led_data); + led_data |= led; + XGpio_DiscreteWrite(&gpio_output, 1, led_data); } -/** +/** * This function will take the led on board off. * * @param n the number nth led */ void rt_hw_board_led_off(rt_uint32_t led) { - led_data &= ~led; - XGpio_DiscreteWrite(&gpio_output, 1, led_data); + led_data &= ~led; + XGpio_DiscreteWrite(&gpio_output, 1, led_data); } void rt_hw_led_flash(void) { - volatile rt_uint32_t i; + volatile rt_uint32_t i; - rt_hw_board_led_off(1); - for (i = 0; i < 20000; i ++); + rt_hw_board_led_off(1); + for (i = 0; i < 20000; i ++); - rt_hw_board_led_on(1); - for (i = 0; i < 20000; i ++); + rt_hw_board_led_on(1); + for (i = 0; i < 20000; i ++); } @@ -126,30 +126,30 @@ void rt_hw_led_flash(void) */ void rt_hw_console_output(const char* str) { - while (*str) - { + while (*str) + { - /* Transmit Character */ + /* Transmit Character */ - XUartLite_SendByte(STDOUT_BASEADDRESS, *str); - if (*str == '\n') - XUartLite_SendByte(STDOUT_BASEADDRESS, '\r'); - str++; - } + XUartLite_SendByte(STDOUT_BASEADDRESS, *str); + if (*str == '\n') + XUartLite_SendByte(STDOUT_BASEADDRESS, '\r'); + str++; + } } static void rt_hw_console_init() { - rt_uint32_t status; + rt_uint32_t status; - /* - * Initialize the UartLite driver so that it is ready to use. - */ - status = XUartLite_Initialize(&uart_lite, RS232_DEVICE_ID); - if (status != XST_SUCCESS) - { - return; - } + /* + * Initialize the UartLite driver so that it is ready to use. + */ + status = XUartLite_Initialize(&uart_lite, RS232_DEVICE_ID); + if (status != XST_SUCCESS) + { + return; + } } #endif @@ -157,16 +157,16 @@ static void rt_hw_console_init() void rt_hw_timer_handler(void) { - rt_uint32_t csr; - csr = XTmrCtr_ReadReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TCSR_OFFSET); - /* - * Check if timer expired and interrupt occured - */ - if (csr & XTC_CSR_INT_OCCURED_MASK) - { - rt_tick_increase(); - XTmrCtr_WriteReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TCSR_OFFSET, csr | XTC_CSR_INT_OCCURED_MASK); - } + rt_uint32_t csr; + csr = XTmrCtr_ReadReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TCSR_OFFSET); + /* + * Check if timer expired and interrupt occured + */ + if (csr & XTC_CSR_INT_OCCURED_MASK) + { + rt_tick_increase(); + XTmrCtr_WriteReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TCSR_OFFSET, csr | XTC_CSR_INT_OCCURED_MASK); + } } @@ -192,24 +192,24 @@ void rt_intc_init (void) status = XIntc_Initialize(&int_ctl, XPAR_INTC_0_DEVICE_ID); - /* install interrupt handler */ + /* install interrupt handler */ rt_hw_interrupt_install(XPAR_INTC_0_TMRCTR_0_VEC_ID, (rt_isr_handler_t)rt_hw_timer_handler, RT_NULL); - rt_hw_interrupt_umask(XPAR_INTC_0_TMRCTR_0_VEC_ID); + rt_hw_interrupt_umask(XPAR_INTC_0_TMRCTR_0_VEC_ID); - XIntc_Start(&int_ctl, XIN_REAL_MODE); + XIntc_Start(&int_ctl, XIN_REAL_MODE); } void rt_tmr_init (void) { - rt_uint32_t ctl; - XStatus status; + rt_uint32_t ctl; + XStatus status; status = XTmrCtr_Initialize(&timer,XPAR_AXI_TIMER_0_DEVICE_ID); - XTmrCtr_WriteReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TLR_OFFSET, PIV); + XTmrCtr_WriteReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TLR_OFFSET, PIV); ctl = XTC_CSR_ENABLE_TMR_MASK | XTC_CSR_ENABLE_INT_MASK | XTC_CSR_AUTO_RELOAD_MASK | XTC_CSR_DOWN_COUNT_MASK; - XTmrCtr_WriteReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TCSR_OFFSET, ctl); + XTmrCtr_WriteReg(timer.BaseAddress, TIMER_CNTR_0, XTC_TCSR_OFFSET, ctl); } @@ -219,15 +219,15 @@ void rt_tmr_init (void) */ void rt_hw_board_init() { - microblaze_disable_icache(); - microblaze_disable_dcache(); - /* init hardware console */ - rt_hw_console_init(); + microblaze_disable_icache(); + microblaze_disable_dcache(); + /* init hardware console */ + rt_hw_console_init(); - /* init led */ - rt_hw_board_led_init(); + /* init led */ + rt_hw_board_led_init(); - /* init intc */ + /* init intc */ rt_intc_init(); /* timer init */ |