FastIO_K20D50M_KPSDK.h

00001 #if defined(TARGET_K20D50M) | defined(TARGET_KPSDK_MCUS)
00002 
00003 #include "mbed.h"
00004 #include "pinmap.h"
00005 
00006 typedef struct {
00007     uint32_t mask;
00008 } fastio_vars;
00009 
00010 //K20D50M and KPSDK use slightly different pinnames, shifted 2
00011 #ifdef TARGET_KPSDK_MCUS
00012 #define PORT_SHIFT      GPIO_PORT_SHIFT
00013 #define PINMASK         (1 << (pin & 0x1F))
00014 #define PCR             ((__IO uint32_t*)(PORTA_BASE + ((pin & 0x1F) << 2) + ((pin >> PORT_SHIFT) << PORT_SHIFT)  ))
00015 #else
00016 #define PINMASK         (1 << ((pin & 0x7F) >> 2))
00017 #define PCR             ((__IO uint32_t*)(PORTA_BASE + pin))
00018 #endif
00019 
00020 #define PORT_BASE       ((GPIO_Type *)(PTA_BASE + ((unsigned int)pin >> PORT_SHIFT) * 0x40))
00021 
00022 #define INIT_PIN        container.mask = PINMASK; pin_function(pin, 1)
00023 #define DESTROY_PIN     
00024 
00025 #define SET_DIR_INPUT   (PORT_BASE->PDDR &= ~PINMASK)
00026 #define SET_DIR_OUTPUT  (PORT_BASE->PDDR |= PINMASK)
00027 #define SET_MODE(pull)  (*PCR = (*PCR & ~0x3) | pull)
00028 
00029 #define WRITE_PIN_SET   (PORT_BASE->PSOR |= container.mask)
00030 #define WRITE_PIN_CLR   (PORT_BASE->PCOR |= container.mask)
00031 
00032 #define READ_PIN        ((PORT_BASE->PDIR & container.mask) ? 1 : 0)
00033 
00034 #endif