36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "tms2812.h"
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int main(void)
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{
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uint8_t request[TMS2812_UPLOAD_REQUEST_SIZE];
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static const uint8_t prefix[] = {
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0x05U, 0x34U, 0x78U, 0x56U, 0x34U, 0x12U,
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0x00U, 0x10U, 0x00U, 0x00U
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};
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uint8_t reply[4U + TMS2812_UPLOAD_RESPONSE_OVERHEAD];
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uint8_t decoded[4];
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uint16_t crc;
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if (tms2812_build_upload_request(5U, 0x12345678UL, 0x1000U,
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request, sizeof request) != sizeof request ||
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memcmp(request, prefix, sizeof prefix) != 0) return 1;
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reply[0] = 5U;
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reply[1] = TMS2812_CMD_UPLOAD;
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reply[2] = 0x10U; reply[3] = 0x20U; reply[4] = 0x30U; reply[5] = 0x40U;
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crc = tms2812_crc16(reply, 6U);
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reply[6] = (uint8_t)crc;
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reply[7] = (uint8_t)(crc >> 8);
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memset(&reply[8], 0, 4U);
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if (tms2812_decode_upload_response(reply, sizeof reply, 5U, 4U,
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decoded, sizeof decoded) != TMS2812_OK ||
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memcmp(decoded, &reply[2], sizeof decoded) != 0) return 2;
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reply[6] ^= 1U;
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if (tms2812_validate_upload_response(reply, sizeof reply, 5U, 4U)
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!= TMS2812_ERROR_CRC) return 3;
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puts("PM67/TMS320F2812 upload protocol tests passed");
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return 0;
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}
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