diff options
Diffstat (limited to 'nuttx/arch/avr/src/at91uc3/at91uc3_internal.h')
| -rwxr-xr-x | nuttx/arch/avr/src/at91uc3/at91uc3_internal.h | 151 |
1 files changed, 116 insertions, 35 deletions
diff --git a/nuttx/arch/avr/src/at91uc3/at91uc3_internal.h b/nuttx/arch/avr/src/at91uc3/at91uc3_internal.h index 45d523aed..7825fd8ee 100755 --- a/nuttx/arch/avr/src/at91uc3/at91uc3_internal.h +++ b/nuttx/arch/avr/src/at91uc3/at91uc3_internal.h @@ -1,4 +1,4 @@ -/************************************************************************************ +/**************************************************************************** * arch/avr/src/at91uc3b/at91uc3_internal.h * * Copyright (C) 2010 Gregory Nutt. All rights reserved. @@ -31,25 +31,30 @@ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - ************************************************************************************/ + ****************************************************************************/ #ifndef __ARCH_AVR_SRC_AVR32_AT91UC3_INTERNAL_H #define __ARCH_AVR_SRC_AVR32_AT91UC3_INTERNAL_H -/************************************************************************************ +/**************************************************************************** * Included Files - ************************************************************************************/ + ****************************************************************************/ #include <nuttx/config.h> +#include "at91uc3_config.h" + +#ifdef CONFIG_AVR32_GPIOIRQ +# include <nuttx/irq.h> +#endif #include <stdint.h> #include <stdbool.h> -/************************************************************************************ +/**************************************************************************** * Pre-processor Definitions - ************************************************************************************/ + ****************************************************************************/ -/* Bit-encoded input to at91uc3_configgpio() ****************************************/ +/* Bit-encoded input to at91uc3_configgpio() ********************************/ /* 16-bit Encoding: * PERIPHERAL: FMMI UXXG PPPB BBBB with G=0 @@ -143,19 +148,19 @@ #define GPIO_PIN_SHIFT (0) /* Bits 0-4: Port number */ #define GPIO_PIN_MASK (0x1f << GPIO_PIN_SHIFT) -/************************************************************************************ +/**************************************************************************** * Public Types - ************************************************************************************/ + ****************************************************************************/ #ifndef __ASSEMBLY__ -/************************************************************************************ +/**************************************************************************** * Inline Functions - ************************************************************************************/ + ****************************************************************************/ -/************************************************************************************ +/**************************************************************************** * Public Data - ************************************************************************************/ + ****************************************************************************/ #undef EXTERN #if defined(__cplusplus) @@ -165,94 +170,170 @@ extern "C" { #define EXTERN extern #endif -/************************************************************************************ +/**************************************************************************** * Public Function Prototypes - ************************************************************************************/ + ****************************************************************************/ -/************************************************************************************ +/**************************************************************************** * Name: up_clkinit * * Description: * Initialiaze clock/PLL settings per the definitions in the board.h file. * - ************************************************************************************/ + ****************************************************************************/ EXTERN void up_clkinitialize(void); -/****************************************************************************** +/**************************************************************************** * Name: usart_reset * * Description: * Reset a USART. * - ******************************************************************************/ + ****************************************************************************/ EXTERN void usart_reset(uintptr_t usart_base); -/****************************************************************************** +/**************************************************************************** * Name: usart_configure * * Description: * Configure a USART as a RS-232 UART. * - ******************************************************************************/ + ****************************************************************************/ void usart_configure(uintptr_t usart_base, uint32_t baud, unsigned int parity, unsigned int nbits, bool stop2); -/************************************************************************************ +/**************************************************************************** * Name: up_consoleinit * * Description: * Initialize a console for debug output. This function is called very - * early in the intialization sequence to configure the serial console uart - * (only). + * early in the intialization sequence to configure the serial console + * uart (only). * - ************************************************************************************/ + ****************************************************************************/ EXTERN void up_consoleinit(void); -/************************************************************************************ +/**************************************************************************** * Name: up_boardinit * * Description: - * This function must be provided by the board-specific logic in the directory - * configs/<board-name>/up_boot.c. + * This function must be provided by the board-specific logic in the + * directory configs/<board-name>/up_boot.c. * - ************************************************************************************/ + ****************************************************************************/ EXTERN void up_boardinitialize(void); -/************************************************************************************ +/**************************************************************************** * Name: at91uc3_configgpio * * Description: * Configure a GPIO pin based on bit-encoded description of the pin. * - ************************************************************************************/ + ****************************************************************************/ EXTERN int at91uc3_configgpio(uint16_t cfgset); -/************************************************************************************ +/**************************************************************************** * Name: at91uc3_gpiowrite * * Description: * Write one or zero to the selected GPIO pin * - ************************************************************************************/ + ****************************************************************************/ EXTERN void at91uc3_gpiowrite(uint16_t pinset, bool value); -/************************************************************************************ +/**************************************************************************** * Name: at91uc3_gpioread * * Description: * Read one or zero from the selected GPIO pin * - ************************************************************************************/ + ****************************************************************************/ EXTERN bool at91uc3_gpioread(uint16_t pinset); +/**************************************************************************** + * Name: gpio_irqinitialize + * + * Description: + * Initialize all vectors to the unexpected interrupt handler + * + * Configuration Notes: + * Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or + * CONFIG_AVR32_GPIOIRQSETB must be enabled to select GPIOs to support + * interrupts on. + * + * Assumptions: + * Called during the early boot sequence before global interrupts have + * been enabled. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR32_GPIOIRQ +EXTERN void gpio_irqinitialize(void); +#endif + +/**************************************************************************** + * Name: gpio_irqattach + * + * Description: + * Attach in GPIO interrupt to the provide 'isr' + * + * Configuration Notes: + * Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or + * CONFIG_AVR32_GPIOIRQSETB must be enabled to select GPIOs to support + * interrupts on. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR32_GPIOIRQ +EXTERN int gpio_irqattach(int irq, xcpt_t newisr, xcpt_t *oldisr); +#endif + +/**************************************************************************** + * Name: gpio_irqenable + * + * Description: + * Enable the GPIO IRQ specified by 'irq' + * + * Configuration Notes: + * Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or + * CONFIG_AVR32_GPIOIRQSETB must be enabled to select GPIOs to support + * interrupts on. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR32_GPIOIRQ +EXTERN void gpio_irqenable(int irq); +#endif + +/***************************************************************************** + * Name: gpio_irqdisable + * + * Description: + * Disable the GPIO IRQ specified by 'irq' + * + * Configuration Notes: + * Configuration CONFIG_AVR32_GPIOIRQ must be selected to enable the + * overall GPIO IRQ feature and CONFIG_AVR32_GPIOIRQSETA and/or + * CONFIG_AVR32_GPIOIRQSETB must be enabled to select GPIOs to support + * interrupts on. + * + ****************************************************************************/ + +#ifdef CONFIG_AVR32_GPIOIRQ +EXTERN void gpio_irqdisable(int irq); +#endif + #undef EXTERN #if defined(__cplusplus) } |