deon/chopstx
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix spurious interrupts, Gnuk pin-cir support

Browse Source
This commit is contained in:
NIIBE Yutaka
2013-11-02 14:23:44 +09:00
parent 5f14824977
commit 9fe6cefdc0
10 changed files with 215 additions and 65 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
entry.c
View File

@@ -163,15 +163,33 @@ clock_init (void)
;
}
#define RCC_APB2ENR_IOPAEN 0x00000004
#define RCC_APB2RSTR_AFIORST 0x00000001
#define RCC_APB2RSTR_IOPARST 0x00000004
#define RCC_APB2ENR_IOPBEN 0x00000008
#define RCC_APB2RSTR_IOPBRST 0x00000008
#define RCC_APB2ENR_IOPCEN 0x00000010
#define RCC_APB2RSTR_IOPCRST 0x00000010
#define RCC_APB2ENR_IOPDEN 0x00000020
#define RCC_APB2RSTR_IOPDRST 0x00000020
#define RCC_APB2ENR_AFIOEN 0x00000001
#define RCC_APB2ENR_IOPAEN 0x00000004
#define RCC_APB2ENR_IOPBEN 0x00000008
#define RCC_APB2ENR_IOPCEN 0x00000010
#define RCC_APB2ENR_IOPDEN 0x00000020
struct AFIO
{
volatile uint32_t EVCR;
volatile uint32_t MAPR;
volatile uint32_t EXTICR[4];
uint32_t RESERVED0;
volatile uint32_t MAPR2;
};
#define AFIO_BASE 0x40010000
static struct AFIO *const AFIO = (struct AFIO *const)AFIO_BASE;
#define AFIO_MAPR_TIM3_REMAP_PARTIALREMAP 0x00000800
struct GPIO {
volatile uint32_t CRL;
@@ -196,6 +214,9 @@ struct GPIO {
static struct GPIO *const GPIO_USB = ((struct GPIO *const) GPIO_USB_BASE);
static struct GPIO *const GPIO_LED = ((struct GPIO *const) GPIO_LED_BASE);
#ifdef GPIO_OTHER_BASE
static struct GPIO *const GPIO_OTHER = ((struct GPIO *const) GPIO_OTHER_BASE);
#endif
static void __attribute__((used))
gpio_init (void)
@@ -205,6 +226,10 @@ gpio_init (void)
RCC->APB2RSTR = RCC_APB2RSTR_IOP_RST;
RCC->APB2RSTR = 0;
#ifdef AFIO_MAPR_SOMETHING
AFIO->MAPR |= AFIO_MAPR_SOMETHING;
#endif
GPIO_USB->ODR = VAL_GPIO_ODR;
GPIO_USB->CRH = VAL_GPIO_CRH;
GPIO_USB->CRL = VAL_GPIO_CRL;
@@ -214,6 +239,12 @@ gpio_init (void)
GPIO_LED->CRH = VAL_GPIO_LED_CRH;
GPIO_LED->CRL = VAL_GPIO_LED_CRL;
#endif
#ifdef GPIO_OTHER_BASE
GPIO_OTHER->ODR = VAL_GPIO_OTHER_ODR;
GPIO_OTHER->CRH = VAL_GPIO_OTHER_CRH;
GPIO_OTHER->CRL = VAL_GPIO_OTHER_CRL;
#endif
}
#endif