Revision 64
changing
| utils.c | ||
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#include "errors.h" |
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#include <lcom/lcf.h> |
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#include <stdint.h> |
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int(util_get_LSB)(uint16_t val, uint8_t *lsb) {
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if (lsb == NULL) return 1; |
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*lsb = val; |
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return 0; |
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} |
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int(util_get_MSB)(uint16_t val, uint8_t *msb) {
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if (msb == NULL) return 1; |
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*msb = (val >> 8); |
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return 0; |
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} |
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#ifdef LAB3 |
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uint32_t sys_inb_counter = 0; |
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#endif |
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int (util_sys_inb)(int port, uint8_t *value) {
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if(value == NULL) return NULL_PTR;
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if(value == NULL) return 1;
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uint32_t n = 0; |
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if(sys_inb(port, &n)) return READ_ERROR;
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if(sys_inb(port, &n)) return 1;
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*value = n; |
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return SUCCESS; |
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#ifdef LAB3 |
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++sys_inb_counter; |
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#endif |
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return 0; |
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} |
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