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[M487] Update spi_master_block_write() API

pull/4608/head
ccli8 2017-08-01 10:47:39 +08:00
parent bc7193508e
commit 670822a581
1 changed files with 3 additions and 3 deletions
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6
targets/TARGET_NUVOTON/TARGET_M480/spi_api.c
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@ -246,12 +246,12 @@ int spi_master_write(spi_t *obj, int value)
return value2;
}
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;