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cpq authored and robert committed 2023-08-07 06:18:49 -04:00
1 parent 519d4b0286
commit 70fc71c6f7
7 files changed
+194 -88
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examples/microchip/same54/hal.h
+13 -8
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@@ -149,13 +149,18 @@ static inline uint32_t rng_read(void) {
return TRNG_REGS->TRNG_DATA;
}
#define UUID ((uint8_t *) UID_BASE) // Unique 96-bit chip ID. TRM 39.1
#define UID_BASE_W0 0x008061FC // Word 0 location of the 128-bit chip ID
#define UID_BASE_W1_3 0x00806010 // Words 1-3 location of the 128-bit chip ID
// Helper macro for MAC generation
#define GENERATE_LOCALLY_ADMINISTERED_MAC() \
{ \
2, UUID[0] ^ UUID[1], UUID[2] ^ UUID[3], UUID[4] ^ UUID[5], \
UUID[6] ^ UUID[7] ^ UUID[8], UUID[9] ^ UUID[10] ^ UUID[11] \
#define UUID(n) ((n >= 0 && n <= 3) ? \
(((uint8_t *) UID_BASE_W0)[n]) : \
(((uint8_t *) UID_BASE_W1_3)[n - 4]))
#define GENERATE_LOCALLY_ADMINISTERED_MAC() \
{ \
2, UUID(0) ^ UUID(1) ^ UUID(2), UUID(3) ^ UUID(4) ^ UUID(5), \
UUID(6) ^ UUID(7) ^ UUID(8), UUID(9) ^ UUID(10) ^ UUID(11), \
UUID(12) ^ UUID(13) ^ UUID(14) ^ UUID(15) \
}
static inline bool timer_expired(volatile uint64_t *t, uint64_t prd,
@@ -194,9 +199,9 @@ static inline void ethernet_init(void) {
PORT_REGS->GROUP[bank].PORT_PINCFG[no] |= PORT_PINCFG_PMUXEN_Msk;
volatile uint8_t *m = &PORT_REGS->GROUP[bank].PORT_PMUX[no / 2], v = m[0];
if (no & 1) {
m[0] = (uint8_t) (v & ~0xf0) | PORT_PMUX_PMUXO(af[i]);
m[0] = (uint8_t) ((v & ~0xf0) | PORT_PMUX_PMUXO(af[i]));
} else {
m[0] = (uint8_t) (v & ~0x0f) | PORT_PMUX_PMUXE(af[i]);
m[0] = (uint8_t) ((v & ~0x0f) | PORT_PMUX_PMUXE(af[i]));
}
}