alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

spi: move gpio direction config to common func for coinsistence

Browse Source 
(MINOR CHANGE)
This commit is contained in:
michael 2018-10-02 17:09:02 +08:00
parent 2600f43822
commit e5ed450d95
3 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
components/driver/spi_common.c
View File

@ -312,6 +312,7 @@ void spicommon_cs_initialize(spi_host_device_t host, int cs_io_num, int cs_num,
gpio_iomux_out(cs_io_num, FUNC_SPI, false);
} else {
//Use GPIO matrix
gpio_set_direction(cs_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(cs_io_num, spi_periph_signal[host].spics_out[cs_num], false, false);
if (cs_num == 0) gpio_matrix_in(cs_io_num, spi_periph_signal[host].spics_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[cs_io_num], FUNC_GPIO);

1
components/driver/spi_master.c
View File

@ -484,7 +484,6 @@ Specify ``SPI_DEVICE_NO_DUMMY`` to ignore this checking. Then you can output dat
//Set CS pin, CS options
if (dev_config->spics_io_num >= 0) {
gpio_set_direction(dev_config->spics_io_num, GPIO_MODE_OUTPUT);
spicommon_cs_initialize(host, dev_config->spics_io_num, freecs, !(spihost[host]->flags&SPICOMMON_BUSFLAG_NATIVE_PINS));
}
if (dev_config->flags&SPI_DEVICE_CLK_AS_CS) {

1
components/driver/spi_slave.c
View File

@ -136,7 +136,6 @@ esp_err_t spi_slave_initialize(spi_host_device_t host, const spi_bus_config_t *b
ret = err;
goto cleanup;
}
gpio_set_direction(slave_config->spics_io_num, GPIO_MODE_INPUT);
spicommon_cs_initialize(host, slave_config->spics_io_num, 0, !bus_is_iomux(spihost[host]));
// The slave DMA suffers from unexpected transactions. Forbid reading if DMA is enabled by disabling the CS line.
if (dma_chan != 0) freeze_cs(spihost[host]);