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Use memcpy instead of raw casts in sdmmc.c

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This commit is contained in:
TuxSH 2018-05-19 01:33:07 +02:00
parent b4eeddd7e1
commit 2bc2fe1452
1 changed files with 2 additions and 5 deletions
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7
fusee/fusee-secondary/src/sdmmc.c
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@ -1274,7 +1274,7 @@ static int sdmmc_handle_cpu_transfer(struct mmc *mmc, uint16_t blocks, bool is_w
// Handle unaligned buffers // Handle unaligned buffers
uint32_t w; uint32_t w;
uint8_t *data = (uint8_t *)buffer; uint8_t *data = (uint8_t *)buffer;
w = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24); memcpy(&w, data, 4);
mmc->regs->buffer = w; mmc->regs->buffer = w;
} else { } else {
mmc->regs->buffer = *buffer; mmc->regs->buffer = *buffer;
@ -1284,10 +1284,7 @@ static int sdmmc_handle_cpu_transfer(struct mmc *mmc, uint16_t blocks, bool is_w
// Handle unaligned buffers // Handle unaligned buffers
uint32_t w = mmc->regs->buffer; uint32_t w = mmc->regs->buffer;
uint8_t *data = (uint8_t *)buffer; uint8_t *data = (uint8_t *)buffer;
data[0] = w & 0xFF; memcpy(&w, data, 4);
data[1] = (w >> 8) & 0xFF;
data[2] = (w >> 16) & 0xFF;
data[3] = (w >> 24) & 0xFF;
} else { } else {
*buffer = mmc->regs->buffer; *buffer = mmc->regs->buffer;
} }