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AP_Bootloader: use crc32_small()

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This commit is contained in:
Andrew Tridgell 2019-10-27 22:50:36 +11:00
parent e5b99b294a
commit dcc417f27b
1 changed files with 2 additions and 2 deletions
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4
Tools/AP_Bootloader/can.cpp
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@ -581,8 +581,8 @@ bool can_check_firmware(void)
const uint8_t desc_len = offsetof(app_descriptor, version_major) - offsetof(app_descriptor, image_crc1); const uint8_t desc_len = offsetof(app_descriptor, version_major) - offsetof(app_descriptor, image_crc1);
uint32_t len1 = ((const uint8_t *)&ad->image_crc1) - flash; uint32_t len1 = ((const uint8_t *)&ad->image_crc1) - flash;
uint32_t len2 = ad->image_size - (len1 + desc_len); uint32_t len2 = ad->image_size - (len1 + desc_len);
uint32_t crc1 = crc_crc32(0, flash, len1); uint32_t crc1 = crc32_small(0, flash, len1);
uint32_t crc2 = crc_crc32(0, (const uint8_t *)&ad->version_major, len2); uint32_t crc2 = crc32_small(0, (const uint8_t *)&ad->version_major, len2);
if (crc1 != ad->image_crc1 || crc2 != ad->image_crc2) { if (crc1 != ad->image_crc1 || crc2 != ad->image_crc2) {
printf("Bad app CRC 0x%08x:0x%08x 0x%08x:0x%08x\n", ad->image_crc1, ad->image_crc2, crc1, crc2); printf("Bad app CRC 0x%08x:0x%08x 0x%08x:0x%08x\n", ad->image_crc1, ad->image_crc2, crc1, crc2);
return false; return false;