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LPC MCUXpresso: fix write_fill argument for block write function #4807

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Jul 25, 2017
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LPC MCUXpresso: fix write_fill argument for block write function #4807

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5 changes: 3 additions & 2 deletions targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/api/spi_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -154,11 +154,12 @@ int spi_master_write(spi_t *obj, int value)
return rx_data & 0xffff;
}

int spi_master_block_write(spi_t *obj, const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length) {
int spi_master_block_write(spi_t *obj, const char *tx_buffer, int tx_length,
char *rx_buffer, int rx_length, char write_fill) {
int total = (tx_length > rx_length) ? tx_length : rx_length;

for (int i = 0; i < total; i++) {
char out = (i < tx_length) ? tx_buffer[i] : 0xff;
char out = (i < tx_length) ? tx_buffer[i] : write_fill;
char in = spi_master_write(obj, out);
if (i < rx_length) {
rx_buffer[i] = in;
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