jens
2b4f02c062
- reduced compiler warnings git-svn-id: http://moon:8086/svn/mips@180 a8ebac50-d88d-4704-bea3-6648445a41b3
29 lines
749 B
C
29 lines
749 B
C
#include "libsys.h"
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#include "gpio.h"
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// ---------------------------------------------------------
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uint32_t gpio_init(gpio_if_t *pGPIO, uint32_t base_addr)
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{
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pGPIO->pBase = (uint32_t*)base_addr;
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return 0;
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}
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uint32_t gpio_clean(gpio_if_t *pGPIO)
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{
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return 0;
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}
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uint32_t gpio_write(gpio_if_t *pGPIO, uint32_t mask, uint32_t shift, uint32_t offset, uint32_t value)
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{
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*(pGPIO->pBase + offset) = (((*(pGPIO->pBase + offset) >> shift) & ~mask) | (value & mask)) << shift;
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return 0;
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}
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uint32_t gpio_read(gpio_if_t *pGPIO, uint32_t mask, uint32_t shift, uint32_t offset, uint32_t *pValue)
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{
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*pValue = (*(pGPIO->pBase + offset) >> shift) & mask;
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return 0;
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}
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// ---------------------------------------------------------
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