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Explicitly add cast to uint32_t before shifting uint8 to left

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This commit is contained in:
Reinhard Panhuber 2021-01-18 17:54:08 +01:00
parent 595a88b34c
commit 99e6bc3720
1 changed files with 3 additions and 3 deletions
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6
src/common/tusb_fifo.c
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@ -135,7 +135,7 @@ static void _tu_fifo_write_to_const_dst_ptr(void * dst, const void * src, uint16
// Pushing full available 32 bit words to FIFO
uint16_t full_words = len >> 2;
for(uint16_t i = 0; i < full_words; i++){
*tx_fifo = (src_u8[3] << 24) | (src_u8[2] << 16) | (src_u8[1] << 8) | src_u8[0];
*tx_fifo = ((uint32_t)(src_u8[3]) << 24) | ((uint32_t)(src_u8[2]) << 16) | ((uint32_t)(src_u8[1]) << 8) | (uint32_t)src_u8[0];
src_u8 += 4;
}
@ -145,10 +145,10 @@ static void _tu_fifo_write_to_const_dst_ptr(void * dst, const void * src, uint16
uint32_t tmp_word = 0;
tmp_word |= src_u8[0];
if(bytes_rem > 1){
tmp_word |= src_u8[1] << 8;
tmp_word |= (uint32_t)(src_u8[1]) << 8;
}
if(bytes_rem > 2){
tmp_word |= src_u8[2] << 16;
tmp_word |= (uint32_t)(src_u8[2]) << 16;
}
*tx_fifo = tmp_word;
}