mirror of https://github.com/commaai/panda.git
18 lines
858 B
C
18 lines
858 B
C
// this is where we manage the dongle ID assigned during our
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// manufacturing. aside from this, there's a UID for the MCU
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#define PROVISION_CHUNK_LEN 0x20
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void get_provision_chunk(uint8_t *resp) {
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(void)memcpy(resp, (uint8_t *)PROVISION_CHUNK_ADDRESS, PROVISION_CHUNK_LEN);
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if (memcmp(resp, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", 0x20) == 0) {
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(void)memcpy(resp, "unprovisioned\x00\x00\x00testing123\x00\x00\xa3\xa6\x99\xec", 0x20);
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}
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}
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uint8_t chunk[PROVISION_CHUNK_LEN];
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bool is_provisioned(void) {
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(void)memcpy(chunk, (uint8_t *)PROVISION_CHUNK_ADDRESS, PROVISION_CHUNK_LEN);
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return (memcmp(chunk, "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", 0x20) != 0);
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}
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