diff options
Diffstat (limited to 'libmaple/nvic.c')
| -rw-r--r-- | libmaple/nvic.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libmaple/nvic.c b/libmaple/nvic.c index 5b32d16..ad816ba 100644 --- a/libmaple/nvic.c +++ b/libmaple/nvic.c @@ -23,8 +23,6 @@ *****************************************************************************/ /** - * @file nvic.c - * * @brief Nested interrupt controller routines */ @@ -41,6 +39,7 @@ void nvic_set_vector_table(uint32 addr, uint32 offset) { * @param n interrupt number */ void nvic_irq_enable(uint32 n) { + /* TODO: bit-banding would be faster */ uint32 *iser = &((uint32*)NVIC_ISER0)[(n/32)]; __write(iser, BIT(n % 32)); } @@ -50,11 +49,16 @@ void nvic_irq_enable(uint32 n) { * @param n interrupt number */ void nvic_irq_disable(uint32 n) { + /* TODO: bit-banding would be faster */ uint32 *icer = &((uint32*)NVIC_ICER0)[(n/32)]; __write(icer, BIT(n % 32)); } void nvic_irq_disable_all(void) { + /* TODO why not: + __write(NVIC_ICER0, 0); + __write(NVIC_ICER1, 0); + */ short n; for(n=0; n<65; n++) { nvic_irq_disable(n); @@ -62,8 +66,8 @@ void nvic_irq_disable_all(void) { } /** - * @brief Initialice the NVIC at address addr - * @param addr Address to set the vector table at + * @brief Initialize the NVIC according to VECT_TAB_FLASH, + * VECT_TAB_RAM, or VECT_TAB_BASE. */ void nvic_init(void) { #ifdef VECT_TAB_FLASH |