Revision 20
timer_test_int prototype
| utils.c | ||
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#include <stdint.h> |
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/* Byte Masks */ |
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#define LSB 0xFF /**< @brief mask to filter least significant byte */ |
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int(util_get_LSB)(uint16_t val, uint8_t *lsb) {
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if (lsb == NULL) |
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return 1; |
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if (lsb == NULL) return 1; |
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*lsb = val; |
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*lsb = val & LSB;
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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) |
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return 1; |
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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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int (util_sys_inb)(int port, uint8_t *value) {
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/* To be implemented by the students */ |
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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 1; |
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*value = n; |
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*value = n & LSB;
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return 0; |
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} |
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