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wait for RX before reading, and ensure that the byte is read out by using a volatile dummy variable

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This commit is contained in:
nvt-se 2009-11-06 15:40:15 +00:00
parent 731e1da844
commit 31850d2e29
1 changed files with 3 additions and 1 deletions
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4
platform/msb430/dev/sd-arch.c
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@ -72,11 +72,13 @@ void
sd_arch_spi_write_block(uint8_t *bytes, int amount)
{
int i;
volatile char dummy;
for(i = 0; i < amount; i++) {
UART_TX = bytes[i];
UART_WAIT_TXDONE();
UART_RX;
UART_WAIT_RX();
dummy = UART_RX;
}
}