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Fix SPI read edges in spi_intr

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Signed-off-by: Jeroen Domburg <jeroen@espressif.com>
This commit is contained in:
Lourens Naudé 2017-02-12 22:59:09 +00:00 committed by Jeroen Domburg
parent 1405fd1fef
commit 04f7d96623
1 changed files with 3 additions and 3 deletions
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6
components/driver/spi_master.c
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@ -625,9 +625,9 @@ static void IRAM_ATTR spi_intr(void *arg)
} else {
data=(uint32_t *)trans->tx_buffer;
}
if (trans->rxlength < 8*32) {
if (trans->length < 8*32) {
//No need for DMA.
for (int x=0; x < trans->rxlength; x+=32) {
for (int x=0; x < trans->length; x+=32) {
//Use memcpy to get around alignment issues for txdata
uint32_t word;
memcpy(&word, &data[x/32], 4);
@ -656,7 +656,7 @@ static void IRAM_ATTR spi_intr(void *arg)
host->hw->addr=trans->address & 0xffffffff;
}
host->hw->user.usr_mosi=(trans->tx_buffer==NULL)?0:1;
host->hw->user.usr_miso=(trans->tx_buffer==NULL)?0:1;
host->hw->user.usr_miso=(trans->rx_buffer==NULL)?0:1;
//Call pre-transmission callback, if any
if (dev->cfg.pre_cb) dev->cfg.pre_cb(trans);