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fix(spi): allow using MISO on GPIO34-39

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Breaking Changes: arguments of ``spicommon_bus_initialize_io`` are changed.

Closes https://github.com/espressif/esp-idf/issues/1736.
This commit is contained in:
Michael (Xiao Xufeng) 2018-03-21 20:42:45 +08:00
parent 77629129c0
commit 45f8bcf3f8
5 changed files with 275 additions and 59 deletions
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37
components/driver/include/driver/spi_common.h
View file

@ -58,6 +58,7 @@ typedef struct {
int quadwp_io_num; ///< GPIO pin for WP (Write Protect) signal which is used as D2 in 4-bit communication modes, or -1 if not used. int quadwp_io_num; ///< GPIO pin for WP (Write Protect) signal which is used as D2 in 4-bit communication modes, or -1 if not used.
int quadhd_io_num; ///< GPIO pin for HD (HolD) signal which is used as D3 in 4-bit communication modes, or -1 if not used. int quadhd_io_num; ///< GPIO pin for HD (HolD) signal which is used as D3 in 4-bit communication modes, or -1 if not used.
int max_transfer_sz; ///< Maximum transfer size, in bytes. Defaults to 4094 if 0. int max_transfer_sz; ///< Maximum transfer size, in bytes. Defaults to 4094 if 0.
uint32_t flags; ///< Abilities of bus to be checked by the driver. Or-ed value of ``SPICOMMON_BUSFLAG_*`` flags.
} spi_bus_config_t; } spi_bus_config_t;
@ -99,9 +100,17 @@ bool spicommon_dma_chan_claim(int dma_chan);
*/ */
bool spicommon_dma_chan_free(int dma_chan); bool spicommon_dma_chan_free(int dma_chan);
#define SPICOMMON_BUSFLAG_SLAVE 0 ///< Initialize I/O in slave mode
#define SPICOMMON_BUSFLAG_MASTER (1<<0) ///< Initialize I/O in master mode
#define SPICOMMON_BUSFLAG_QUAD (1<<1) ///< Also initialize WP/HD pins, if specified #define SPICOMMON_BUSFLAG_SLAVE 0 ///< Initialize I/O in slave mode
#define SPICOMMON_BUSFLAG_MASTER (1<<0) ///< Initialize I/O in master mode
#define SPICOMMON_BUSFLAG_NATIVE_PINS (1<<1) ///< Check using native pins. Or indicates the pins are configured through the IO mux rather than GPIO matrix.
#define SPICOMMON_BUSFLAG_SCLK (1<<2) ///< Check existing of SCLK pin. Or indicates CLK line initialized.
#define SPICOMMON_BUSFLAG_MISO (1<<3) ///< Check existing of MISO pin. Or indicates MISO line initialized.
#define SPICOMMON_BUSFLAG_MOSI (1<<4) ///< Check existing of MOSI pin. Or indicates CLK line initialized.
#define SPICOMMON_BUSFLAG_DUAL (1<<5) ///< Check MOSI and MISO pins can output. Or indicates bus able to work under DIO mode.
#define SPICOMMON_BUSFLAG_WPHD (1<<6) ///< Check existing of WP and HD pins. Or indicates WP & HD pins initialized.
#define SPICOMMON_BUSFLAG_QUAD (SPICOMMON_BUSFLAG_DUAL|SPICOMMON_BUSFLAG_WPHD) ///< Check existing of MOSI/MISO/WP/HD pins as output. Or indicates bus able to work under QIO mode.
/** /**
* @brief Connect a SPI peripheral to GPIO pins * @brief Connect a SPI peripheral to GPIO pins
@ -113,14 +122,28 @@ bool spicommon_dma_chan_free(int dma_chan);
* @param host SPI peripheral to be routed * @param host SPI peripheral to be routed
* @param bus_config Pointer to a spi_bus_config struct detailing the GPIO pins * @param bus_config Pointer to a spi_bus_config struct detailing the GPIO pins
* @param dma_chan DMA-channel (1 or 2) to use, or 0 for no DMA. * @param dma_chan DMA-channel (1 or 2) to use, or 0 for no DMA.
* @param flags Combination of SPICOMMON_BUSFLAG_* flags * @param flags Combination of SPICOMMON_BUSFLAG_* flags, set to ensure the pins set are capable with some functions:
* @param[out] is_native A value of 'true' will be written to this address if the GPIOs can be * - ``SPICOMMON_BUSFLAG_MASTER``: Initialize I/O in master mode
* routed using the IO_mux, 'false' if the GPIO matrix is used. * - ``SPICOMMON_BUSFLAG_SLAVE``: Initialize I/O in slave mode
* - ``SPICOMMON_BUSFLAG_NATIVE_PINS``: Pins set should match the native pins of the controller.
* - ``SPICOMMON_BUSFLAG_SCLK``, ``SPICOMMON_BUSFLAG_MISO``, ``SPICOMMON_BUSFLAG_MOSI``:
* Make sure SCLK/MISO/MOSI is/are set to a valid GPIO. Also check output capability according to the mode.
* - ``SPICOMMON_BUSFLAG_DUAL``: Make sure both MISO and MOSI are output capable so that DIO mode is capable.
* - ``SPICOMMON_BUSFLAG_WPHD`` Make sure WP and HD are set to valid output GPIOs.
* - ``SPICOMMON_BUSFLAG_QUAD``: Combination of ``SPICOMMON_BUSFLAG_DUAL`` and ``SPICOMMON_BUSFLAG_WPHD``.
* @param[out] flags_o A SPICOMMON_BUSFLAG_* flag combination of bus abilities will be written to this address.
* Leave to NULL if not needed.
* - ``SPICOMMON_BUSFLAG_NATIVE_PINS``: The bus is connected to native pins.
* - ``SPICOMMON_BUSFLAG_SCLK``, ``SPICOMMON_BUSFLAG_MISO``, ``SPICOMMON_BUSFLAG_MOSI``: The bus has
* CLK/MISO/MOSI connected.
* - ``SPICOMMON_BUSFLAG_DUAL``: The bus is capable with DIO mode.
* - ``SPICOMMON_BUSFLAG_WPHD`` The bus has WP and HD connected.
* - ``SPICOMMON_BUSFLAG_QUAD``: Combination of ``SPICOMMON_BUSFLAG_DUAL`` and ``SPICOMMON_BUSFLAG_WPHD``.
* @return * @return
* - ESP_ERR_INVALID_ARG if parameter is invalid * - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_OK on success * - ESP_OK on success
*/ */
esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_config_t *bus_config, int dma_chan, int flags, bool *is_native); esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_config_t *bus_config, int dma_chan, uint32_t flags, uint32_t *flags_o);
/** /**
* @brief Free the IO used by a SPI peripheral * @brief Free the IO used by a SPI peripheral

116
components/driver/spi_common.c
View file

@ -220,67 +220,113 @@ bool spicommon_dma_chan_free(int dma_chan)
/* /*
Do the common stuff to hook up a SPI host to a bus defined by a bunch of GPIO pins. Feed it a host number and a Do the common stuff to hook up a SPI host to a bus defined by a bunch of GPIO pins. Feed it a host number and a
bus config struct and it'll set up the GPIO matrix and enable the device. It will set is_native to 1 if the bus bus config struct and it'll set up the GPIO matrix and enable the device. If a pin is set to non-negative value,
config can be done using the IOMUX instead of using the GPIO matrix. it should be able to be initialized.
*/ */
esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_config_t *bus_config, int dma_chan, int flags, bool *is_native) esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_config_t *bus_config, int dma_chan, uint32_t flags, uint32_t* flags_o)
{ {
bool native = true; bool native = true;
bool use_quad = (flags & SPICOMMON_BUSFLAG_QUAD) != 0; uint32_t temp_flag=0;
bool quad_pins_exist = true;
//the MISO should be output capable in slave mode, or in DIO/QIO mode.
bool miso_output = !(flags&SPICOMMON_BUSFLAG_MASTER) || flags&SPICOMMON_BUSFLAG_DUAL;
//the MOSI should be output capble in master mode, or in DIO/QIO mode.
bool mosi_output = (flags&SPICOMMON_BUSFLAG_MASTER)!=0 || flags&SPICOMMON_BUSFLAG_DUAL;
SPI_CHECK(bus_config->mosi_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(bus_config->mosi_io_num), "spid pin invalid", ESP_ERR_INVALID_ARG); //check pins existence and if the selected pins correspond to the native pins of the peripheral
SPI_CHECK(bus_config->sclk_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(bus_config->sclk_io_num), "spiclk pin invalid", ESP_ERR_INVALID_ARG); if (bus_config->sclk_io_num>=0) {
SPI_CHECK(bus_config->miso_io_num < 0 || GPIO_IS_VALID_GPIO(bus_config->miso_io_num), "spiq pin invalid", ESP_ERR_INVALID_ARG); temp_flag |= SPICOMMON_BUSFLAG_SCLK;
if (use_quad) { SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->sclk_io_num), "sclk not valid", ESP_ERR_INVALID_ARG);
SPI_CHECK(bus_config->quadwp_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(bus_config->quadwp_io_num), "spiwp pin invalid", ESP_ERR_INVALID_ARG); if (bus_config->sclk_io_num != io_signal[host].spiclk_native) native = false;
SPI_CHECK(bus_config->quadhd_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(bus_config->quadhd_io_num), "spihd pin invalid", ESP_ERR_INVALID_ARG);
}
//Check if the selected pins correspond to the native pins of the peripheral
if (bus_config->mosi_io_num >= 0 && bus_config->mosi_io_num != io_signal[host].spid_native) native = false;
if (bus_config->miso_io_num >= 0 && bus_config->miso_io_num != io_signal[host].spiq_native) native = false;
if (bus_config->sclk_io_num >= 0 && bus_config->sclk_io_num != io_signal[host].spiclk_native) native = false;
if (use_quad) {
if (bus_config->quadwp_io_num >= 0 && bus_config->quadwp_io_num != io_signal[host].spiwp_native) native = false;
if (bus_config->quadhd_io_num >= 0 && bus_config->quadhd_io_num != io_signal[host].spihd_native) native = false;
}
*is_native = native;
if ( native ) {
ESP_LOGD(SPI_TAG, "SPI%d use native pins.", host );
} else { } else {
ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host ); SPI_CHECK((flags&SPICOMMON_BUSFLAG_SCLK)==0, "sclk pin required.", ESP_ERR_INVALID_ARG);
} }
if (bus_config->quadwp_io_num>=0) {
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->quadwp_io_num), "spiwp not valid", ESP_ERR_INVALID_ARG);
if (bus_config->quadwp_io_num != io_signal[host].spiwp_native) native = false;
} else {
quad_pins_exist = false;
SPI_CHECK((flags&SPICOMMON_BUSFLAG_WPHD)==0, "spiwp pin required.", ESP_ERR_INVALID_ARG);
}
if (bus_config->quadhd_io_num>=0) {
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->quadhd_io_num), "spihd not valid", ESP_ERR_INVALID_ARG);
if (bus_config->quadhd_io_num != io_signal[host].spihd_native) native = false;
} else {
quad_pins_exist = false;
SPI_CHECK((flags&SPICOMMON_BUSFLAG_WPHD)==0, "spihd pin required.", ESP_ERR_INVALID_ARG);
}
if (bus_config->mosi_io_num >= 0) {
temp_flag |= SPICOMMON_BUSFLAG_MOSI;
if (mosi_output) {
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->mosi_io_num), "mosi not valid", ESP_ERR_INVALID_ARG);
} else {
SPI_CHECK(GPIO_IS_VALID_GPIO(bus_config->mosi_io_num), "mosi not valid", ESP_ERR_INVALID_ARG);
}
if (bus_config->mosi_io_num != io_signal[host].spid_native) native = false;
} else {
SPI_CHECK((flags&SPICOMMON_BUSFLAG_MOSI)==0, "mosi pin required.", ESP_ERR_INVALID_ARG);
}
if (bus_config->miso_io_num>=0) {
temp_flag |= SPICOMMON_BUSFLAG_MISO;
if (miso_output) {
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->miso_io_num), "miso not valid", ESP_ERR_INVALID_ARG);
} else {
SPI_CHECK(GPIO_IS_VALID_GPIO(bus_config->miso_io_num), "miso not valid", ESP_ERR_INVALID_ARG);
}
if (bus_config->miso_io_num != io_signal[host].spiq_native) native = false;
} else {
SPI_CHECK((flags&SPICOMMON_BUSFLAG_MISO)==0, "miso pin required.", ESP_ERR_INVALID_ARG);
}
//set flags for DUAL mode according to output-capability of MOSI and MISO pins.
if ( (bus_config->mosi_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(bus_config->mosi_io_num)) &&
(bus_config->miso_io_num < 0 || GPIO_IS_VALID_OUTPUT_GPIO(bus_config->miso_io_num)) ) {
temp_flag |= SPICOMMON_BUSFLAG_DUAL;
}
//set flags for QUAD mode according to the existence of wp and hd
if (quad_pins_exist) temp_flag |= SPICOMMON_BUSFLAG_WPHD;
//check native pins if required.
SPI_CHECK((flags&SPICOMMON_BUSFLAG_NATIVE_PINS)==0 || native, "not using native pins", ESP_ERR_INVALID_ARG);
if (native) { if (native) {
//All SPI native pin selections resolve to 1, so we put that here instead of trying to figure //All SPI native pin selections resolve to 1, so we put that here instead of trying to figure
//out which FUNC_GPIOx_xSPIxx to grab; they all are defined to 1 anyway. //out which FUNC_GPIOx_xSPIxx to grab; they all are defined to 1 anyway.
ESP_LOGD(SPI_TAG, "SPI%d use native pins.", host );
if (bus_config->mosi_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], 1); if (bus_config->mosi_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], 1);
if (bus_config->miso_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], 1); if (bus_config->miso_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], 1);
if (use_quad && bus_config->quadwp_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], 1); if (bus_config->quadwp_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], 1);
if (use_quad && bus_config->quadhd_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], 1); if (bus_config->quadhd_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], 1);
if (bus_config->sclk_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->sclk_io_num], 1); if (bus_config->sclk_io_num >= 0) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->sclk_io_num], 1);
temp_flag |= SPICOMMON_BUSFLAG_NATIVE_PINS;
} else { } else {
//Use GPIO //Use GPIO matrix
ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host );
if (bus_config->mosi_io_num >= 0) { if (bus_config->mosi_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], PIN_FUNC_GPIO); PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], PIN_FUNC_GPIO);
gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT_OUTPUT); if (mosi_output) {
gpio_matrix_out(bus_config->mosi_io_num, io_signal[host].spid_out, false, false); gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->mosi_io_num, io_signal[host].spid_out, false, false);
} else {
gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT);
}
gpio_matrix_in(bus_config->mosi_io_num, io_signal[host].spid_in, false); gpio_matrix_in(bus_config->mosi_io_num, io_signal[host].spid_in, false);
} }
if (bus_config->miso_io_num >= 0) { if (bus_config->miso_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], PIN_FUNC_GPIO); PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], PIN_FUNC_GPIO);
gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT_OUTPUT); if (miso_output) {
gpio_matrix_out(bus_config->miso_io_num, io_signal[host].spiq_out, false, false); gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->miso_io_num, io_signal[host].spiq_out, false, false);
} else {
gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT);
}
gpio_matrix_in(bus_config->miso_io_num, io_signal[host].spiq_in, false); gpio_matrix_in(bus_config->miso_io_num, io_signal[host].spiq_in, false);
} }
if (use_quad && bus_config->quadwp_io_num >= 0) { if (bus_config->quadwp_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], PIN_FUNC_GPIO); PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], PIN_FUNC_GPIO);
gpio_set_direction(bus_config->quadwp_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->quadwp_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->quadwp_io_num, io_signal[host].spiwp_out, false, false); gpio_matrix_out(bus_config->quadwp_io_num, io_signal[host].spiwp_out, false, false);
gpio_matrix_in(bus_config->quadwp_io_num, io_signal[host].spiwp_in, false); gpio_matrix_in(bus_config->quadwp_io_num, io_signal[host].spiwp_in, false);
} }
if (use_quad && bus_config->quadhd_io_num >= 0) { if (bus_config->quadhd_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], PIN_FUNC_GPIO); PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], PIN_FUNC_GPIO);
gpio_set_direction(bus_config->quadhd_io_num, GPIO_MODE_INPUT_OUTPUT); gpio_set_direction(bus_config->quadhd_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->quadhd_io_num, io_signal[host].spihd_out, false, false); gpio_matrix_out(bus_config->quadhd_io_num, io_signal[host].spihd_out, false, false);
@ -297,6 +343,7 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
//Select DMA channel. //Select DMA channel.
DPORT_SET_PERI_REG_BITS(DPORT_SPI_DMA_CHAN_SEL_REG, 3, dma_chan, (host * 2)); DPORT_SET_PERI_REG_BITS(DPORT_SPI_DMA_CHAN_SEL_REG, 3, dma_chan, (host * 2));
if (flags_o) *flags_o = temp_flag;
return ESP_OK; return ESP_OK;
} }
@ -311,7 +358,6 @@ static void reset_func_to_gpio(int func)
} }
} }
esp_err_t spicommon_bus_free_io(spi_host_device_t host) esp_err_t spicommon_bus_free_io(spi_host_device_t host)
{ {
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spid_native], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spid_native], PIN_FUNC_GPIO); if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spid_native], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spid_native], PIN_FUNC_GPIO);

13
components/driver/spi_master.c
View file

@ -84,7 +84,7 @@ typedef struct {
int prev_cs; int prev_cs;
lldesc_t *dmadesc_tx; lldesc_t *dmadesc_tx;
lldesc_t *dmadesc_rx; lldesc_t *dmadesc_rx;
bool no_gpio_matrix; uint32_t flags;
int dma_chan; int dma_chan;
int max_transfer_sz; int max_transfer_sz;
#ifdef CONFIG_PM_ENABLE #ifdef CONFIG_PM_ENABLE
@ -121,7 +121,7 @@ static void spi_intr(void *arg);
esp_err_t spi_bus_initialize(spi_host_device_t host, const spi_bus_config_t *bus_config, int dma_chan) esp_err_t spi_bus_initialize(spi_host_device_t host, const spi_bus_config_t *bus_config, int dma_chan)
{ {
bool native, spi_chan_claimed, dma_chan_claimed; bool spi_chan_claimed, dma_chan_claimed;
esp_err_t ret = ESP_OK; esp_err_t ret = ESP_OK;
esp_err_t err; esp_err_t err;
/* ToDo: remove this when we have flash operations cooperating with this */ /* ToDo: remove this when we have flash operations cooperating with this */
@ -156,12 +156,11 @@ esp_err_t spi_bus_initialize(spi_host_device_t host, const spi_bus_config_t *bus
} }
#endif //CONFIG_PM_ENABLE #endif //CONFIG_PM_ENABLE
err = spicommon_bus_initialize_io(host, bus_config, dma_chan, SPICOMMON_BUSFLAG_MASTER|SPICOMMON_BUSFLAG_QUAD, &native); err = spicommon_bus_initialize_io(host, bus_config, dma_chan, SPICOMMON_BUSFLAG_MASTER|bus_config->flags, &spihost[host]->flags);
if (err != ESP_OK) { if (err != ESP_OK) {
ret = err; ret = err;
goto cleanup; goto cleanup;
} }
spihost[host]->no_gpio_matrix=native;
spihost[host]->dma_chan=dma_chan; spihost[host]->dma_chan=dma_chan;
if (dma_chan == 0) { if (dma_chan == 0) {
@ -294,7 +293,7 @@ esp_err_t spi_bus_add_device(spi_host_device_t host, const spi_device_interface_
//Speeds >=40MHz over GPIO matrix needs a dummy cycle, but these don't work for full-duplex connections. //Speeds >=40MHz over GPIO matrix needs a dummy cycle, but these don't work for full-duplex connections.
duty_cycle = (dev_config->duty_cycle_pos==0? 128: dev_config->duty_cycle_pos); duty_cycle = (dev_config->duty_cycle_pos==0? 128: dev_config->duty_cycle_pos);
eff_clk = spi_cal_clock(apbclk, dev_config->clock_speed_hz, duty_cycle, (uint32_t*)&clk_reg); eff_clk = spi_cal_clock(apbclk, dev_config->clock_speed_hz, duty_cycle, (uint32_t*)&clk_reg);
uint32_t dummy_limit = spi_dummy_limit(!spihost[host]->no_gpio_matrix); uint32_t dummy_limit = spi_dummy_limit(!(spihost[host]->flags&SPICOMMON_BUSFLAG_NATIVE_PINS));
SPI_CHECK( dev_config->flags & SPI_DEVICE_HALFDUPLEX || (eff_clk/1000/1000) < (dummy_limit/1000/1000) || SPI_CHECK( dev_config->flags & SPI_DEVICE_HALFDUPLEX || (eff_clk/1000/1000) < (dummy_limit/1000/1000) ||
dev_config->flags & SPI_DEVICE_NO_DUMMY, dev_config->flags & SPI_DEVICE_NO_DUMMY,
"When GPIO matrix is used in full-duplex mode at frequency > 26MHz, device cannot read correct data.\n\ "When GPIO matrix is used in full-duplex mode at frequency > 26MHz, device cannot read correct data.\n\
@ -327,7 +326,7 @@ Specify ``SPI_DEVICE_NO_DUMMY`` to ignore this checking. Then you can output dat
//Set CS pin, CS options //Set CS pin, CS options
if (dev_config->spics_io_num >= 0) { if (dev_config->spics_io_num >= 0) {
gpio_set_direction(dev_config->spics_io_num, GPIO_MODE_OUTPUT); gpio_set_direction(dev_config->spics_io_num, GPIO_MODE_OUTPUT);
spicommon_cs_initialize(host, dev_config->spics_io_num, freecs, spihost[host]->no_gpio_matrix == false); 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) { if (dev_config->flags&SPI_DEVICE_CLK_AS_CS) {
spihost[host]->hw->pin.master_ck_sel |= (1<<freecs); spihost[host]->hw->pin.master_ck_sel |= (1<<freecs);
@ -519,7 +518,7 @@ static void IRAM_ATTR spi_intr(void *arg)
//Configure polarity //Configure polarity
//SPI iface needs to be configured for a delay in some cases. //SPI iface needs to be configured for a delay in some cases.
int nodelay=0; int nodelay=0;
if (host->no_gpio_matrix) { if ((host->flags&SPICOMMON_BUSFLAG_NATIVE_PINS)!=0) {
if (effclk >= apbclk/2) { if (effclk >= apbclk/2) {
nodelay=1; nodelay=1;
} }

10
components/driver/spi_slave.c
View file

@ -56,7 +56,7 @@ typedef struct {
spi_slave_transaction_t *cur_trans; spi_slave_transaction_t *cur_trans;
lldesc_t *dmadesc_tx; lldesc_t *dmadesc_tx;
lldesc_t *dmadesc_rx; lldesc_t *dmadesc_rx;
bool no_gpio_matrix; uint32_t flags;
int max_transfer_sz; int max_transfer_sz;
QueueHandle_t trans_queue; QueueHandle_t trans_queue;
QueueHandle_t ret_queue; QueueHandle_t ret_queue;
@ -72,7 +72,7 @@ static void IRAM_ATTR spi_intr(void *arg);
esp_err_t spi_slave_initialize(spi_host_device_t host, const spi_bus_config_t *bus_config, const spi_slave_interface_config_t *slave_config, int dma_chan) esp_err_t spi_slave_initialize(spi_host_device_t host, const spi_bus_config_t *bus_config, const spi_slave_interface_config_t *slave_config, int dma_chan)
{ {
bool native, spi_chan_claimed, dma_chan_claimed; bool spi_chan_claimed, dma_chan_claimed;
esp_err_t ret = ESP_OK; esp_err_t ret = ESP_OK;
esp_err_t err; esp_err_t err;
//We only support HSPI/VSPI, period. //We only support HSPI/VSPI, period.
@ -98,14 +98,13 @@ esp_err_t spi_slave_initialize(spi_host_device_t host, const spi_bus_config_t *b
memset(spihost[host], 0, sizeof(spi_slave_t)); memset(spihost[host], 0, sizeof(spi_slave_t));
memcpy(&spihost[host]->cfg, slave_config, sizeof(spi_slave_interface_config_t)); memcpy(&spihost[host]->cfg, slave_config, sizeof(spi_slave_interface_config_t));
err = spicommon_bus_initialize_io(host, bus_config, dma_chan, SPICOMMON_BUSFLAG_SLAVE, &native); err = spicommon_bus_initialize_io(host, bus_config, dma_chan, SPICOMMON_BUSFLAG_SLAVE|bus_config->flags, &spihost[host]->flags);
if (err!=ESP_OK) { if (err!=ESP_OK) {
ret = err; ret = err;
goto cleanup; goto cleanup;
} }
gpio_set_direction(slave_config->spics_io_num, GPIO_MODE_INPUT); gpio_set_direction(slave_config->spics_io_num, GPIO_MODE_INPUT);
spicommon_cs_initialize(host, slave_config->spics_io_num, 0, native == false); spicommon_cs_initialize(host, slave_config->spics_io_num, 0, !(spihost[host]->flags&SPICOMMON_BUSFLAG_NATIVE_PINS));
spihost[host]->no_gpio_matrix = native;
spihost[host]->dma_chan = dma_chan; spihost[host]->dma_chan = dma_chan;
if (dma_chan != 0) { if (dma_chan != 0) {
//See how many dma descriptors we need and allocate them //See how many dma descriptors we need and allocate them
@ -186,7 +185,6 @@ esp_err_t spi_slave_initialize(spi_host_device_t host, const spi_bus_config_t *b
spihost[host]->hw->ctrl2.miso_delay_mode = nodelay ? 0 : 2; spihost[host]->hw->ctrl2.miso_delay_mode = nodelay ? 0 : 2;
} }
//Reset DMA //Reset DMA
spihost[host]->hw->dma_conf.val |= SPI_OUT_RST | SPI_IN_RST | SPI_AHBM_RST | SPI_AHBM_FIFO_RST; spihost[host]->hw->dma_conf.val |= SPI_OUT_RST | SPI_IN_RST | SPI_AHBM_RST | SPI_AHBM_FIFO_RST;
spihost[host]->hw->dma_out_link.start = 0; spihost[host]->hw->dma_out_link.start = 0;

150
components/driver/test/test_spi_master.c
View file

@ -263,6 +263,156 @@ TEST_CASE("SPI Master test, interaction of multiple devs", "[spi][ignore]") {
destroy_spi_bus(handle1); destroy_spi_bus(handle1);
} }
#define NATIVE_SCLK 14
#define NATIVE_MISO 12
#define NATIVE_MOSI 13
#define NATIVE_WP 2
#define NATIVE_HD 4
TEST_CASE("spi bus setting with different pin configs", "[spi]")
{
spi_bus_config_t cfg;
uint32_t flags_o;
uint32_t flags_expected;
ESP_LOGI(TAG, "test 6 native output pins...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO | SPICOMMON_BUSFLAG_NATIVE_PINS | SPICOMMON_BUSFLAG_QUAD;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test 4 native output pins...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO | SPICOMMON_BUSFLAG_NATIVE_PINS | SPICOMMON_BUSFLAG_DUAL;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test 6 output pins...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO | SPICOMMON_BUSFLAG_QUAD;
//swap MOSI and MISO
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MISO, .miso_io_num = NATIVE_MOSI, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test 4 output pins...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO | SPICOMMON_BUSFLAG_DUAL;
//swap MOSI and MISO
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MISO, .miso_io_num = NATIVE_MOSI, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test master 5 output pins and MOSI on input-only pin...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO | SPICOMMON_BUSFLAG_WPHD;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = 34, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test slave 5 output pins and MISO on input-only pin...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO | SPICOMMON_BUSFLAG_WPHD;
cfg = (spi_bus_config_t){.mosi_io_num = 34, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test master 3 output pins and MOSI on input-only pin...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = 34, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "test slave 3 output pins and MISO on input-only pin...");
flags_expected = SPICOMMON_BUSFLAG_SCLK | SPICOMMON_BUSFLAG_MOSI | SPICOMMON_BUSFLAG_MISO;
cfg = (spi_bus_config_t){.mosi_io_num = 34, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ESP_OK(spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
TEST_ASSERT_EQUAL_HEX32( flags_expected, flags_o );
ESP_LOGI(TAG, "check native flag for 6 output pins...");
flags_expected = SPICOMMON_BUSFLAG_NATIVE_PINS;
//swap MOSI and MISO
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MISO, .miso_io_num = NATIVE_MOSI, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check native flag for 4 output pins...");
flags_expected = SPICOMMON_BUSFLAG_NATIVE_PINS;
//swap MOSI and MISO
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MISO, .miso_io_num = NATIVE_MOSI, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check dual flag for master 5 output pins and MISO/MOSI on input-only pin...");
flags_expected = SPICOMMON_BUSFLAG_DUAL;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = 34, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
cfg = (spi_bus_config_t){.mosi_io_num = 34, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check dual flag for master 3 output pins and MISO/MOSI on input-only pin...");
flags_expected = SPICOMMON_BUSFLAG_DUAL;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = 34, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
cfg = (spi_bus_config_t){.mosi_io_num = 34, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check sclk flag...");
flags_expected = SPICOMMON_BUSFLAG_SCLK;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = NATIVE_MISO, .sclk_io_num = -1, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check mosi flag...");
flags_expected = SPICOMMON_BUSFLAG_MOSI;
cfg = (spi_bus_config_t){.mosi_io_num = -1, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check miso flag...");
flags_expected = SPICOMMON_BUSFLAG_MISO;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = -1, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
ESP_LOGI(TAG, "check quad flag...");
flags_expected = SPICOMMON_BUSFLAG_QUAD;
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = -1, .quadwp_io_num = NATIVE_WP,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
cfg = (spi_bus_config_t){.mosi_io_num = NATIVE_MOSI, .miso_io_num = NATIVE_MISO, .sclk_io_num = NATIVE_SCLK, .quadhd_io_num = NATIVE_HD, .quadwp_io_num = -1,
.max_transfer_sz = 8, .flags = flags_expected};
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_MASTER, &flags_o));
TEST_ASSERT_EQUAL(ESP_ERR_INVALID_ARG, spicommon_bus_initialize_io(HSPI_HOST, &cfg, 0, flags_expected|SPICOMMON_BUSFLAG_SLAVE, &flags_o));
}
TEST_CASE("SPI Master no response when switch from host1 (HSPI) to host2 (VSPI)", "[spi]") TEST_CASE("SPI Master no response when switch from host1 (HSPI) to host2 (VSPI)", "[spi]")
{ {
//spi config //spi config