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!909 optimize cs keeping logic for spi transfer

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Merge pull request !909 from NickYang/master
This commit is contained in:
openharmony_ci
2022-04-20 09:19:04 +00:00
committed by Gitee
parent 29170cb4ed c978f2f0f4
commit 4682efee91
2 changed files with 7 additions and 7 deletions
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include/platform/spi_if.h
+3 -3
View File
@@ -123,7 +123,7 @@ struct SpiDevInfo {
* @brief Defines the custom SPI transfer message.
*
* @attention The specific SPI controller determines whether <b>speed</b>, <b>delayUs</b>,
* and <b>csChange</b> are supported.
* and <b>keepCs</b> are supported.
*
* @since 1.0
*/
@@ -137,8 +137,8 @@ struct SpiMsg {
uint16_t delayUs; /**< Delay (in microseconds) before starting the next transfer.
* The value <b>0</b> indicates there is no delay between transfers.
*/
uint8_t csChange; /**< Whether to switch off the CS before the next transfer when the current transfer has been
* completed. <b>1</b> indicates to switch off the CS; <b>0</b> indicates to switch on the CS.
uint8_t keepCs; /**< Whether to keep CS active after current transfer has been
* completed. <b>1</b> indicates to keeps CS; <b>0</b> indicates to switch off the CS.
*/
};
test/unittest/platform/common/spi_test.c
+4 -4
View File
@@ -243,7 +243,7 @@ static int32_t SpiTransferTest(struct SpiTester *tester)
msg.rbuf = tester->config.rbuf;
msg.wbuf = tester->config.wbuf;
msg.len = tester->config.len;
msg.csChange = 1; // switch off the CS after transfer
msg.keepCs = 0; // switch off the CS after transfer
msg.delayUs = 0;
msg.speed = 0; // use default speed
@@ -291,7 +291,7 @@ static int32_t SpiMultiTransferTest(struct SpiTester *tester)
msgs[SPI_TEST_MSG_2].rbuf = tester->config.rbuf;
msgs[SPI_TEST_MSG_2].len = tester->config.len;
msgs[SPI_TEST_MSG_2].speed = 0;
msgs[SPI_TEST_MSG_2].csChange = 1; // switch off the CS after transfer
msgs[SPI_TEST_MSG_2].keepCs = 0; // switch off the CS after transfer
ret = SpiSetCfg(tester->handle, &g_spiCfg);
if (ret != HDF_SUCCESS) {
@@ -339,8 +339,8 @@ static int32_t SpiSetDmaIntMsg(struct SpiMsg *msg, uint32_t len)
msg->wbuf = wbuf;
msg->rbuf = rbuf;
msg->len = len;
msg->csChange = 1;
msg->delayUs = 0, // switch off the CS after transfer
msg->keepCs= 0, // switch off the CS after transfer
msg->delayUs = 0;
msg->speed = 0; // using default speed
return HDF_SUCCESS;
}