1133 lines
46 KiB
C
1133 lines
46 KiB
C
/*
|
||
Tests for the spi_master device driver
|
||
*/
|
||
|
||
#include <esp_types.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <malloc.h>
|
||
#include <string.h>
|
||
#include "rom/ets_sys.h"
|
||
#include "freertos/FreeRTOS.h"
|
||
#include "freertos/task.h"
|
||
#include "freertos/semphr.h"
|
||
#include "freertos/queue.h"
|
||
#include "freertos/xtensa_api.h"
|
||
#include "unity.h"
|
||
#include "driver/spi_master.h"
|
||
#include "driver/spi_slave.h"
|
||
#include "soc/dport_reg.h"
|
||
#include "esp_heap_caps.h"
|
||
#include "esp_log.h"
|
||
#include "soc/spi_periph.h"
|
||
#include "test_utils.h"
|
||
#include "test/test_common_spi.h"
|
||
#include "soc/gpio_periph.h"
|
||
#include "sdkconfig.h"
|
||
|
||
const static char TAG[] = "test_spi";
|
||
|
||
static void check_spi_pre_n_for(int clk, int pre, int n)
|
||
{
|
||
esp_err_t ret;
|
||
spi_device_handle_t handle;
|
||
|
||
spi_device_interface_config_t devcfg={
|
||
.command_bits=0,
|
||
.address_bits=0,
|
||
.dummy_bits=0,
|
||
.clock_speed_hz=clk,
|
||
.duty_cycle_pos=128,
|
||
.mode=0,
|
||
.spics_io_num=21,
|
||
.queue_size=3
|
||
};
|
||
char sendbuf[16]="";
|
||
spi_transaction_t t;
|
||
memset(&t, 0, sizeof(t));
|
||
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &handle);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
|
||
t.length=16*8;
|
||
t.tx_buffer=sendbuf;
|
||
ret=spi_device_transmit(handle, &t);
|
||
|
||
printf("Checking clk rate %dHz. expect pre %d n %d, got pre %d n %d\n", clk, pre, n, SPI2.clock.clkdiv_pre+1, SPI2.clock.clkcnt_n+1);
|
||
|
||
TEST_ASSERT(SPI2.clock.clkcnt_n+1==n);
|
||
TEST_ASSERT(SPI2.clock.clkdiv_pre+1==pre);
|
||
|
||
ret=spi_bus_remove_device(handle);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
}
|
||
|
||
|
||
TEST_CASE("SPI Master clockdiv calculation routines", "[spi]")
|
||
{
|
||
spi_bus_config_t buscfg={
|
||
.mosi_io_num=4,
|
||
.miso_io_num=26,
|
||
.sclk_io_num=25,
|
||
.quadwp_io_num=-1,
|
||
.quadhd_io_num=-1
|
||
};
|
||
esp_err_t ret;
|
||
ret=spi_bus_initialize(HSPI_HOST, &buscfg, 1);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
|
||
check_spi_pre_n_for(26000000, 1, 3);
|
||
check_spi_pre_n_for(20000000, 1, 4);
|
||
check_spi_pre_n_for(8000000, 1, 10);
|
||
check_spi_pre_n_for(800000, 2, 50);
|
||
check_spi_pre_n_for(100000, 16, 50);
|
||
check_spi_pre_n_for(333333, 4, 60);
|
||
check_spi_pre_n_for(900000, 2, 44);
|
||
check_spi_pre_n_for(1, 8192, 64); //Actually should generate the minimum clock speed, 152Hz
|
||
check_spi_pre_n_for(26000000, 1, 3);
|
||
|
||
ret=spi_bus_free(HSPI_HOST);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
}
|
||
|
||
static spi_device_handle_t setup_spi_bus(int clkspeed, bool dma) {
|
||
spi_bus_config_t buscfg={
|
||
.mosi_io_num=26,
|
||
.miso_io_num=26,
|
||
.sclk_io_num=25,
|
||
.quadwp_io_num=-1,
|
||
.quadhd_io_num=-1,
|
||
.max_transfer_sz=4096*3
|
||
};
|
||
spi_device_interface_config_t devcfg={
|
||
.command_bits=0,
|
||
.address_bits=0,
|
||
.dummy_bits=0,
|
||
.clock_speed_hz=clkspeed,
|
||
.duty_cycle_pos=128,
|
||
.mode=0,
|
||
.spics_io_num=21,
|
||
.queue_size=3,
|
||
};
|
||
esp_err_t ret;
|
||
spi_device_handle_t handle;
|
||
|
||
ret=spi_bus_initialize(HSPI_HOST, &buscfg, dma?1:0);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &handle);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
//connect MOSI to two devices breaks the output, fix it.
|
||
spitest_gpio_output_sel(26, FUNC_GPIO, HSPID_OUT_IDX);
|
||
printf("Bus/dev inited.\n");
|
||
return handle;
|
||
}
|
||
|
||
static int spi_test(spi_device_handle_t handle, int num_bytes) {
|
||
esp_err_t ret;
|
||
int x;
|
||
bool success = true;
|
||
srand(num_bytes);
|
||
char *sendbuf=heap_caps_malloc((num_bytes+3)&(~3), MALLOC_CAP_DMA);
|
||
char *recvbuf=heap_caps_malloc((num_bytes+3)&(~3), MALLOC_CAP_DMA);
|
||
for (x=0; x<num_bytes; x++) {
|
||
sendbuf[x]=rand()&0xff;
|
||
recvbuf[x]=0x55;
|
||
}
|
||
|
||
spi_transaction_t t;
|
||
memset(&t, 0, sizeof(t));
|
||
t.length=num_bytes*8;
|
||
t.tx_buffer=sendbuf;
|
||
t.rx_buffer=recvbuf;
|
||
t.addr=0xA00000000000000FL;
|
||
t.cmd=0x55;
|
||
|
||
printf("Transmitting %d bytes...\n", num_bytes);
|
||
ret=spi_device_transmit(handle, &t);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
|
||
srand(num_bytes);
|
||
for (x=0; x<num_bytes; x++) {
|
||
if (sendbuf[x]!=(rand()&0xff)) {
|
||
printf("Huh? Sendbuf corrupted at byte %d\n", x);
|
||
TEST_ASSERT(0);
|
||
}
|
||
if (sendbuf[x]!=recvbuf[x]) break;
|
||
}
|
||
if (x!=num_bytes) {
|
||
int from=x-16;
|
||
if (from<0) from=0;
|
||
success = false;
|
||
printf("Error at %d! Sent vs recved: (starting from %d)\n" , x, from);
|
||
for (int i=0; i<32; i++) {
|
||
if (i+from<num_bytes) printf("%02X ", sendbuf[from+i]);
|
||
}
|
||
printf("\n");
|
||
for (int i=0; i<32; i++) {
|
||
if (i+from<num_bytes) printf("%02X ", recvbuf[from+i]);
|
||
}
|
||
printf("\n");
|
||
}
|
||
|
||
if (success) printf("Success!\n");
|
||
free(sendbuf);
|
||
free(recvbuf);
|
||
return success;
|
||
}
|
||
|
||
TEST_CASE("SPI Master test", "[spi]")
|
||
{
|
||
bool success = true;
|
||
printf("Testing bus at 80KHz\n");
|
||
spi_device_handle_t handle=setup_spi_bus(80000, true);
|
||
success &= spi_test(handle, 16); //small
|
||
success &= spi_test(handle, 21); //small, unaligned
|
||
success &= spi_test(handle, 36); //aligned
|
||
success &= spi_test(handle, 128); //aligned
|
||
success &= spi_test(handle, 129); //unaligned
|
||
success &= spi_test(handle, 4096-2); //multiple descs, edge case 1
|
||
success &= spi_test(handle, 4096-1); //multiple descs, edge case 2
|
||
success &= spi_test(handle, 4096*3); //multiple descs
|
||
|
||
master_free_device_bus(handle);
|
||
|
||
printf("Testing bus at 80KHz, non-DMA\n");
|
||
handle=setup_spi_bus(80000, false);
|
||
success &= spi_test(handle, 4); //aligned
|
||
success &= spi_test(handle, 16); //small
|
||
success &= spi_test(handle, 21); //small, unaligned
|
||
success &= spi_test(handle, 32); //small
|
||
success &= spi_test(handle, 47); //small, unaligned
|
||
success &= spi_test(handle, 63); //small
|
||
success &= spi_test(handle, 64); //small, unaligned
|
||
|
||
master_free_device_bus(handle);
|
||
|
||
printf("Testing bus at 26MHz\n");
|
||
handle=setup_spi_bus(20000000, true);
|
||
|
||
success &= spi_test(handle, 128); //DMA, aligned
|
||
success &= spi_test(handle, 4096*3); //DMA, multiple descs
|
||
master_free_device_bus(handle);
|
||
|
||
printf("Testing bus at 900KHz\n");
|
||
handle=setup_spi_bus(9000000, true);
|
||
|
||
success &= spi_test(handle, 128); //DMA, aligned
|
||
success &= spi_test(handle, 4096*3); //DMA, multiple descs
|
||
master_free_device_bus(handle);
|
||
TEST_ASSERT(success);
|
||
}
|
||
|
||
|
||
TEST_CASE("SPI Master test, interaction of multiple devs", "[spi]") {
|
||
esp_err_t ret;
|
||
bool success = true;
|
||
spi_device_interface_config_t devcfg={
|
||
.command_bits=0,
|
||
.address_bits=0,
|
||
.dummy_bits=0,
|
||
.clock_speed_hz=1000000,
|
||
.duty_cycle_pos=128,
|
||
.mode=0,
|
||
.spics_io_num=23,
|
||
.queue_size=3,
|
||
};
|
||
spi_device_handle_t handle1=setup_spi_bus(80000, true);
|
||
spi_device_handle_t handle2;
|
||
spi_bus_add_device(HSPI_HOST, &devcfg, &handle2);
|
||
|
||
printf("Sending to dev 1\n");
|
||
success &= spi_test(handle1, 7);
|
||
printf("Sending to dev 1\n");
|
||
success &= spi_test(handle1, 15);
|
||
printf("Sending to dev 2\n");
|
||
success &= spi_test(handle2, 15);
|
||
printf("Sending to dev 1\n");
|
||
success &= spi_test(handle1, 32);
|
||
printf("Sending to dev 2\n");
|
||
success &= spi_test(handle2, 32);
|
||
printf("Sending to dev 1\n");
|
||
success &= spi_test(handle1, 63);
|
||
printf("Sending to dev 2\n");
|
||
success &= spi_test(handle2, 63);
|
||
printf("Sending to dev 1\n");
|
||
success &= spi_test(handle1, 5000);
|
||
printf("Sending to dev 2\n");
|
||
success &= spi_test(handle2, 5000);
|
||
|
||
|
||
ret=spi_bus_remove_device(handle2);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
master_free_device_bus(handle1);
|
||
TEST_ASSERT(success);
|
||
}
|
||
|
||
static esp_err_t test_master_pins(int mosi, int miso, int sclk, int cs)
|
||
{
|
||
esp_err_t ret;
|
||
spi_bus_config_t cfg = SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
cfg.mosi_io_num = mosi;
|
||
cfg.miso_io_num = miso;
|
||
cfg.sclk_io_num = sclk;
|
||
|
||
spi_device_interface_config_t master_cfg = SPI_DEVICE_TEST_DEFAULT_CONFIG();
|
||
master_cfg.spics_io_num = cs;
|
||
|
||
ret = spi_bus_initialize(TEST_SPI_HOST, &cfg, 1);
|
||
if (ret != ESP_OK) return ret;
|
||
|
||
spi_device_handle_t spi;
|
||
ret = spi_bus_add_device(TEST_SPI_HOST, &master_cfg, &spi);
|
||
if (ret != ESP_OK) {
|
||
spi_bus_free(TEST_SPI_HOST);
|
||
return ret;
|
||
}
|
||
|
||
master_free_device_bus(spi);
|
||
return ESP_OK;
|
||
}
|
||
|
||
static esp_err_t test_slave_pins(int mosi, int miso, int sclk, int cs)
|
||
{
|
||
esp_err_t ret;
|
||
spi_bus_config_t cfg = SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
cfg.mosi_io_num = mosi;
|
||
cfg.miso_io_num = miso;
|
||
cfg.sclk_io_num = sclk;
|
||
|
||
spi_slave_interface_config_t slave_cfg = SPI_SLAVE_TEST_DEFAULT_CONFIG();
|
||
slave_cfg.spics_io_num = cs;
|
||
|
||
ret = spi_slave_initialize(TEST_SLAVE_HOST, &cfg, &slave_cfg, 1);
|
||
if (ret != ESP_OK) return ret;
|
||
|
||
spi_slave_free(TEST_SLAVE_HOST);
|
||
return ESP_OK;
|
||
}
|
||
|
||
TEST_CASE("spi placed on input-only pins", "[spi]")
|
||
{
|
||
TEST_ESP_OK(test_master_pins(PIN_NUM_MOSI, PIN_NUM_MISO, PIN_NUM_CLK, PIN_NUM_CS));
|
||
TEST_ASSERT(test_master_pins(34, PIN_NUM_MISO, PIN_NUM_CLK, PIN_NUM_CS)!=ESP_OK);
|
||
TEST_ESP_OK(test_master_pins(PIN_NUM_MOSI, 34, PIN_NUM_CLK, PIN_NUM_CS));
|
||
TEST_ASSERT(test_master_pins(PIN_NUM_MOSI, PIN_NUM_MISO, 34, PIN_NUM_CS)!=ESP_OK);
|
||
TEST_ASSERT(test_master_pins(PIN_NUM_MOSI, PIN_NUM_MISO, PIN_NUM_CLK, 34)!=ESP_OK);
|
||
|
||
TEST_ESP_OK(test_slave_pins(PIN_NUM_MOSI, PIN_NUM_MISO, PIN_NUM_CLK, PIN_NUM_CS));
|
||
TEST_ESP_OK(test_slave_pins(34, PIN_NUM_MISO, PIN_NUM_CLK, PIN_NUM_CS));
|
||
TEST_ASSERT(test_slave_pins(PIN_NUM_MOSI, 34, PIN_NUM_CLK, PIN_NUM_CS)!=ESP_OK);
|
||
TEST_ESP_OK(test_slave_pins(PIN_NUM_MOSI, PIN_NUM_MISO, 34, PIN_NUM_CS));
|
||
TEST_ESP_OK(test_slave_pins(PIN_NUM_MOSI, PIN_NUM_MISO, PIN_NUM_CLK, 34));
|
||
}
|
||
|
||
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 iomux 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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 iomux 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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MISO, .miso_io_num = HSPI_IOMUX_PIN_NUM_MOSI, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MISO, .miso_io_num = HSPI_IOMUX_PIN_NUM_MOSI, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = 34, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = 34, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MISO, .miso_io_num = HSPI_IOMUX_PIN_NUM_MOSI, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MISO, .miso_io_num = HSPI_IOMUX_PIN_NUM_MOSI, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = 34, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = 34, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = -1, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = -1, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_HD, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = -1, .quadwp_io_num = HSPI_IOMUX_PIN_NUM_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 = HSPI_IOMUX_PIN_NUM_MOSI, .miso_io_num = HSPI_IOMUX_PIN_NUM_MISO, .sclk_io_num = HSPI_IOMUX_PIN_NUM_CLK, .quadhd_io_num = HSPI_IOMUX_PIN_NUM_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]")
|
||
{
|
||
//spi config
|
||
spi_bus_config_t bus_config;
|
||
spi_device_interface_config_t device_config;
|
||
spi_device_handle_t spi;
|
||
spi_host_device_t host;
|
||
int dma = 1;
|
||
|
||
memset(&bus_config, 0, sizeof(spi_bus_config_t));
|
||
memset(&device_config, 0, sizeof(spi_device_interface_config_t));
|
||
|
||
bus_config.miso_io_num = -1;
|
||
bus_config.mosi_io_num = 26;
|
||
bus_config.sclk_io_num = 25;
|
||
bus_config.quadwp_io_num = -1;
|
||
bus_config.quadhd_io_num = -1;
|
||
|
||
device_config.clock_speed_hz = 50000;
|
||
device_config.mode = 0;
|
||
device_config.spics_io_num = -1;
|
||
device_config.queue_size = 1;
|
||
device_config.flags = SPI_DEVICE_TXBIT_LSBFIRST | SPI_DEVICE_RXBIT_LSBFIRST;
|
||
|
||
struct spi_transaction_t transaction = {
|
||
.flags = SPI_TRANS_USE_TXDATA | SPI_TRANS_USE_RXDATA,
|
||
.length = 16,
|
||
.rx_buffer = NULL,
|
||
.tx_data = {0x04, 0x00}
|
||
};
|
||
|
||
//initialize for first host
|
||
host = 1;
|
||
|
||
TEST_ASSERT(spi_bus_initialize(host, &bus_config, dma) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_add_device(host, &device_config, &spi) == ESP_OK);
|
||
|
||
printf("before first xmit\n");
|
||
TEST_ASSERT(spi_device_transmit(spi, &transaction) == ESP_OK);
|
||
printf("after first xmit\n");
|
||
|
||
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_free(host) == ESP_OK);
|
||
|
||
//for second host and failed before
|
||
host = 2;
|
||
|
||
TEST_ASSERT(spi_bus_initialize(host, &bus_config, dma) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_add_device(host, &device_config, &spi) == ESP_OK);
|
||
|
||
printf("before second xmit\n");
|
||
// the original version (bit mis-written) stucks here.
|
||
TEST_ASSERT(spi_device_transmit(spi, &transaction) == ESP_OK);
|
||
// test case success when see this.
|
||
printf("after second xmit\n");
|
||
|
||
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_free(host) == ESP_OK);
|
||
}
|
||
|
||
DRAM_ATTR static uint32_t data_dram[80]={0};
|
||
//force to place in code area.
|
||
static const uint8_t data_drom[320+3] = {
|
||
0xD8, 0xD1, 0x0A, 0xB8, 0xCE, 0x67, 0x1B, 0x11, 0x17, 0xA0, 0xDA, 0x89, 0x55, 0xC1, 0x40, 0x0F, 0x55, 0xEB, 0xF7, 0xEC, 0xF0, 0x3C, 0x0F, 0x4D, 0x2B, 0x9E, 0xBF, 0xCD, 0x57, 0x2C, 0x48, 0x1A,
|
||
0x8B, 0x47, 0xC5, 0x01, 0x0C, 0x05, 0x80, 0x30, 0xF4, 0xEA, 0xE5, 0x92, 0x56, 0x97, 0x98, 0x78, 0x21, 0x34, 0xA1, 0xBC, 0xAE, 0x93, 0x7E, 0x96, 0x08, 0xE6, 0x54, 0x6A, 0x6C, 0x67, 0xCF, 0x58,
|
||
0xEE, 0x15, 0xA8, 0xB6, 0x32, 0x8C, 0x85, 0xF7, 0xE9, 0x88, 0x5E, 0xB1, 0x76, 0xE4, 0xB2, 0xC7, 0x0F, 0x57, 0x51, 0x7A, 0x2F, 0xAB, 0x12, 0xC3, 0x37, 0x99, 0x4E, 0x67, 0x75, 0x28, 0xE4, 0x1D,
|
||
0xF8, 0xBA, 0x22, 0xCB, 0xA1, 0x18, 0x4C, 0xAB, 0x5F, 0xC9, 0xF3, 0xA2, 0x39, 0x92, 0x44, 0xE6, 0x7B, 0xE3, 0xD0, 0x16, 0xC5, 0xC2, 0xCB, 0xD9, 0xC0, 0x7F, 0x06, 0xBF, 0x3E, 0xCE, 0xE1, 0x26,
|
||
0xD5, 0x3C, 0xAD, 0x0E, 0xC1, 0xC7, 0x7D, 0x0D, 0x56, 0x85, 0x6F, 0x32, 0xC8, 0x63, 0x8D, 0x12, 0xAB, 0x1E, 0x81, 0x7B, 0xF4, 0xF1, 0xA9, 0xAF, 0xD9, 0x74, 0x60, 0x05, 0x3D, 0xCC, 0x0C, 0x34,
|
||
0x11, 0x44, 0xAE, 0x2A, 0x13, 0x2F, 0x04, 0xC3, 0x59, 0xF0, 0x54, 0x07, 0xBA, 0x26, 0xD9, 0xFB, 0x80, 0x95, 0xC0, 0x14, 0xFA, 0x27, 0xEF, 0xD3, 0x58, 0xB8, 0xE4, 0xA2, 0xE3, 0x5E, 0x94, 0xB3,
|
||
0xCD, 0x2C, 0x4F, 0xAC, 0x3B, 0xD1, 0xCA, 0xBE, 0x61, 0x71, 0x7B, 0x62, 0xEB, 0xF0, 0xFC, 0xEF, 0x22, 0xB7, 0x3F, 0x56, 0x65, 0x19, 0x61, 0x73, 0x1A, 0x4D, 0xE4, 0x23, 0xE5, 0x3A, 0x91, 0x5C,
|
||
0xE6, 0x1B, 0x5F, 0x0E, 0x10, 0x94, 0x7C, 0x9F, 0xCF, 0x75, 0xB3, 0xEB, 0x42, 0x4C, 0xCF, 0xFE, 0xAF, 0x68, 0x62, 0x3F, 0x9A, 0x3C, 0x81, 0x3E, 0x7A, 0x45, 0x92, 0x79, 0x91, 0x4F, 0xFF, 0xDE,
|
||
0x25, 0x18, 0x33, 0xB9, 0xA9, 0x3A, 0x3F, 0x1F, 0x4F, 0x4B, 0x5C, 0x71, 0x82, 0x75, 0xB0, 0x1F, 0xE9, 0x98, 0xA3, 0xE2, 0x65, 0xBB, 0xCA, 0x4F, 0xB7, 0x1D, 0x23, 0x43, 0x16, 0x73, 0xBD, 0x83,
|
||
0x70, 0x22, 0x7D, 0x0A, 0x6D, 0xD3, 0x77, 0x73, 0xD0, 0xF4, 0x06, 0xB2, 0x19, 0x8C, 0xFF, 0x58, 0xE4, 0xDB, 0xE9, 0xEC, 0x89, 0x6A, 0xF4, 0x0E, 0x67, 0x12, 0xEC, 0x11, 0xD2, 0x1F, 0x8D, 0xD7,
|
||
};
|
||
|
||
TEST_CASE("SPI Master DMA test, TX and RX in different regions", "[spi]")
|
||
{
|
||
#ifdef CONFIG_SPIRAM_SUPPORT
|
||
//test psram if enabled
|
||
ESP_LOGI(TAG, "testing PSRAM...");
|
||
uint32_t* data_malloc = (uint32_t*)heap_caps_malloc(324, MALLOC_CAP_SPIRAM);
|
||
TEST_ASSERT(esp_ptr_external_ram(data_malloc));
|
||
#else
|
||
uint32_t* data_malloc = (uint32_t*)heap_caps_malloc(324, MALLOC_CAP_DMA);
|
||
TEST_ASSERT(esp_ptr_in_dram(data_malloc));
|
||
#endif
|
||
TEST_ASSERT(data_malloc != NULL);
|
||
|
||
//refer to soc_memory_layout.c
|
||
uint32_t* data_iram = (uint32_t*)heap_caps_malloc(324, MALLOC_CAP_EXEC);
|
||
TEST_ASSERT(data_iram != NULL);
|
||
|
||
ESP_LOGI(TAG, "iram: %p, dram: %p", data_iram, data_dram);
|
||
ESP_LOGI(TAG, "drom: %p, malloc: %p", data_drom, data_malloc);
|
||
TEST_ASSERT(esp_ptr_in_dram(data_dram));
|
||
TEST_ASSERT(esp_ptr_in_iram(data_iram));
|
||
TEST_ASSERT(esp_ptr_in_drom(data_drom));
|
||
|
||
srand(52);
|
||
for (int i = 0; i < 320/4; i++) {
|
||
data_iram[i] = rand();
|
||
data_dram[i] = rand();
|
||
data_malloc[i] = rand();
|
||
}
|
||
|
||
esp_err_t ret;
|
||
spi_device_handle_t spi;
|
||
spi_bus_config_t buscfg=SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
buscfg.miso_io_num = PIN_NUM_MOSI;
|
||
spi_device_interface_config_t devcfg=SPI_DEVICE_TEST_DEFAULT_CONFIG();
|
||
|
||
//Initialize the SPI bus
|
||
ret=spi_bus_initialize(HSPI_HOST, &buscfg, 1);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
//Attach the LCD to the SPI bus
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &spi);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
//connect MOSI to two devices breaks the output, fix it.
|
||
spitest_gpio_output_sel(buscfg.mosi_io_num, FUNC_GPIO, HSPID_OUT_IDX);
|
||
|
||
#define TEST_REGION_SIZE 5
|
||
static spi_transaction_t trans[TEST_REGION_SIZE];
|
||
int x;
|
||
|
||
|
||
memset(trans, 0, sizeof(trans));
|
||
|
||
trans[0].length = 320*8,
|
||
trans[0].tx_buffer = data_iram;
|
||
trans[0].rx_buffer = data_malloc+1;
|
||
|
||
trans[1].length = 320*8,
|
||
trans[1].tx_buffer = data_dram;
|
||
trans[1].rx_buffer = data_iram;
|
||
|
||
trans[2].length = 320*8,
|
||
trans[2].tx_buffer = data_malloc+2;
|
||
trans[2].rx_buffer = data_dram;
|
||
|
||
trans[3].length = 320*8,
|
||
trans[3].tx_buffer = data_drom;
|
||
trans[3].rx_buffer = data_iram;
|
||
|
||
trans[4].length = 4*8,
|
||
trans[4].flags = SPI_TRANS_USE_RXDATA | SPI_TRANS_USE_TXDATA;
|
||
uint32_t* ptr = (uint32_t*)trans[4].rx_data;
|
||
*ptr = 0x54545454;
|
||
ptr = (uint32_t*)trans[4].tx_data;
|
||
*ptr = 0xbc124960;
|
||
|
||
//Queue all transactions.
|
||
for (x=0; x<TEST_REGION_SIZE; x++) {
|
||
ESP_LOGI(TAG, "transmitting %d...", x);
|
||
ret=spi_device_transmit(spi,&trans[x]);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
if (trans[x].flags & SPI_TRANS_USE_RXDATA) {
|
||
TEST_ASSERT_EQUAL_HEX8_ARRAY(trans[x].tx_data, trans[x].rx_data, 4);
|
||
} else {
|
||
TEST_ASSERT_EQUAL_HEX32_ARRAY(trans[x].tx_buffer, trans[x].rx_buffer, trans[x].length / 8 /4);
|
||
}
|
||
}
|
||
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_free(HSPI_HOST) == ESP_OK);
|
||
free(data_malloc);
|
||
free(data_iram);
|
||
}
|
||
|
||
//this part tests 3 DMA issues in master mode, full-duplex in IDF2.1
|
||
// 1. RX buffer not aligned (start and end)
|
||
// 2. not setting rx_buffer
|
||
// 3. setting rx_length != length
|
||
TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
|
||
{
|
||
uint8_t tx_buf[320]={0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0xaa, 0xcc, 0xff, 0xee, 0x55, 0x77, 0x88, 0x43};
|
||
uint8_t rx_buf[320];
|
||
|
||
esp_err_t ret;
|
||
spi_device_handle_t spi;
|
||
spi_bus_config_t buscfg={
|
||
.miso_io_num=PIN_NUM_MOSI,
|
||
.mosi_io_num=PIN_NUM_MOSI,
|
||
.sclk_io_num=PIN_NUM_CLK,
|
||
.quadwp_io_num=-1,
|
||
.quadhd_io_num=-1
|
||
};
|
||
spi_device_interface_config_t devcfg={
|
||
.clock_speed_hz=10*1000*1000, //Clock out at 10 MHz
|
||
.mode=0, //SPI mode 0
|
||
.spics_io_num=PIN_NUM_CS, //CS pin
|
||
.queue_size=7, //We want to be able to queue 7 transactions at a time
|
||
.pre_cb=NULL,
|
||
};
|
||
//Initialize the SPI bus
|
||
ret=spi_bus_initialize(HSPI_HOST, &buscfg, 1);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
//Attach the LCD to the SPI bus
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &spi);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
|
||
//connect MOSI to two devices breaks the output, fix it.
|
||
spitest_gpio_output_sel(buscfg.mosi_io_num, FUNC_GPIO, HSPID_OUT_IDX);
|
||
|
||
memset(rx_buf, 0x66, 320);
|
||
|
||
for ( int i = 0; i < 8; i ++ ) {
|
||
memset( rx_buf, 0x66, sizeof(rx_buf));
|
||
|
||
spi_transaction_t t = {};
|
||
t.length = 8*(i+1);
|
||
t.rxlength = 0;
|
||
t.tx_buffer = tx_buf+2*i;
|
||
t.rx_buffer = rx_buf + i;
|
||
|
||
if ( i == 1 ) {
|
||
//test set no start
|
||
t.rx_buffer = NULL;
|
||
} else if ( i == 2 ) {
|
||
//test rx length != tx_length
|
||
t.rxlength = t.length - 8;
|
||
}
|
||
spi_device_transmit( spi, &t );
|
||
|
||
for( int i = 0; i < 16; i ++ ) {
|
||
printf("%02X ", rx_buf[i]);
|
||
}
|
||
printf("\n");
|
||
|
||
if ( i == 1 ) {
|
||
// no rx, skip check
|
||
} else if ( i == 2 ) {
|
||
//test rx length = tx length-1
|
||
TEST_ASSERT_EQUAL_HEX8_ARRAY(t.tx_buffer, t.rx_buffer, t.length/8-1 );
|
||
} else {
|
||
//normal check
|
||
TEST_ASSERT_EQUAL_HEX8_ARRAY(t.tx_buffer, t.rx_buffer, t.length/8 );
|
||
}
|
||
}
|
||
|
||
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_free(HSPI_HOST) == ESP_OK);
|
||
}
|
||
|
||
static uint8_t bitswap(uint8_t in)
|
||
{
|
||
uint8_t out = 0;
|
||
for (int i = 0; i < 8; i++) {
|
||
out = out >> 1;
|
||
if (in&0x80) out |= 0x80;
|
||
in = in << 1;
|
||
}
|
||
return out;
|
||
}
|
||
|
||
void test_cmd_addr(spi_slave_task_context_t *slave_context, bool lsb_first)
|
||
{
|
||
spi_device_handle_t spi;
|
||
|
||
ESP_LOGI(MASTER_TAG, ">>>>>>>>> TEST %s FIRST <<<<<<<<<<<", lsb_first?"LSB":"MSB");
|
||
|
||
//initial master, mode 0, 1MHz
|
||
spi_bus_config_t buscfg=SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
TEST_ESP_OK(spi_bus_initialize(TEST_SPI_HOST, &buscfg, 1));
|
||
spi_device_interface_config_t devcfg=SPI_DEVICE_TEST_DEFAULT_CONFIG();
|
||
devcfg.clock_speed_hz = 1*1000*1000;
|
||
if (lsb_first) devcfg.flags |= SPI_DEVICE_BIT_LSBFIRST;
|
||
TEST_ESP_OK(spi_bus_add_device(TEST_SPI_HOST, &devcfg, &spi));
|
||
|
||
//connecting pins to two peripherals breaks the output, fix it.
|
||
spitest_gpio_output_sel(buscfg.mosi_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spid_out);
|
||
spitest_gpio_output_sel(buscfg.miso_io_num, FUNC_GPIO, spi_periph_signal[TEST_SLAVE_HOST].spiq_out);
|
||
spitest_gpio_output_sel(devcfg.spics_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spics_out[0]);
|
||
spitest_gpio_output_sel(buscfg.sclk_io_num, FUNC_GPIO, spi_periph_signal[TEST_SPI_HOST].spiclk_out);
|
||
|
||
for (int i= 0; i < 8; i++) {
|
||
//prepare slave tx data
|
||
slave_txdata_t slave_txdata = (slave_txdata_t) {
|
||
.start = spitest_slave_send + 4*(i%3),
|
||
.len = 256,
|
||
};
|
||
xQueueSend(slave_context->data_to_send, &slave_txdata, portMAX_DELAY);
|
||
|
||
vTaskDelay(50);
|
||
//prepare master tx data
|
||
int cmd_bits = (i+1)*2;
|
||
int addr_bits = 56-8*i;
|
||
int round_up = (cmd_bits+addr_bits+7)/8*8;
|
||
addr_bits = round_up - cmd_bits;
|
||
|
||
spi_transaction_ext_t trans = (spi_transaction_ext_t) {
|
||
.base = {
|
||
.flags = SPI_TRANS_VARIABLE_CMD | SPI_TRANS_VARIABLE_ADDR,
|
||
.addr = 0x456789abcdef0123,
|
||
.cmd = 0xcdef,
|
||
},
|
||
.command_bits = cmd_bits,
|
||
.address_bits = addr_bits,
|
||
};
|
||
|
||
ESP_LOGI( MASTER_TAG, "===== test%d =====", i );
|
||
ESP_LOGI(MASTER_TAG, "cmd_bits： %d, addr_bits: %d", cmd_bits, addr_bits);
|
||
TEST_ESP_OK(spi_device_transmit(spi, (spi_transaction_t*)&trans));
|
||
//wait for both master and slave end
|
||
|
||
size_t rcv_len;
|
||
slave_rxdata_t *rcv_data = xRingbufferReceive(slave_context->data_received, &rcv_len, portMAX_DELAY);
|
||
rcv_len-=8;
|
||
uint8_t *buffer = rcv_data->data;
|
||
|
||
ESP_LOGI(SLAVE_TAG, "trans_len: %d", rcv_len);
|
||
TEST_ASSERT_EQUAL(rcv_len, (rcv_data->len+7)/8);
|
||
TEST_ASSERT_EQUAL(rcv_data->len, cmd_bits+addr_bits);
|
||
ESP_LOG_BUFFER_HEX("slave rx", buffer, rcv_len);
|
||
|
||
uint16_t cmd_expected = trans.base.cmd & (BIT(cmd_bits) - 1);
|
||
uint64_t addr_expected = trans.base.addr & ((1ULL<<addr_bits) - 1);
|
||
|
||
uint8_t *data_ptr = buffer;
|
||
uint16_t cmd_got = *(uint16_t*)data_ptr;
|
||
data_ptr += cmd_bits/8;
|
||
cmd_got = __builtin_bswap16(cmd_got);
|
||
cmd_got = cmd_got >> (16-cmd_bits);
|
||
int remain_bits = cmd_bits % 8;
|
||
|
||
uint64_t addr_got = *(uint64_t*)data_ptr;
|
||
data_ptr += 8;
|
||
addr_got = __builtin_bswap64(addr_got);
|
||
addr_got = (addr_got << remain_bits);
|
||
addr_got |= (*data_ptr >> (8-remain_bits));
|
||
addr_got = addr_got >> (64-addr_bits);
|
||
|
||
if (lsb_first) {
|
||
cmd_got = __builtin_bswap16(cmd_got);
|
||
addr_got = __builtin_bswap64(addr_got);
|
||
|
||
uint8_t *swap_ptr = (uint8_t*)&cmd_got;
|
||
swap_ptr[0] = bitswap(swap_ptr[0]);
|
||
swap_ptr[1] = bitswap(swap_ptr[1]);
|
||
cmd_got = cmd_got >> (16-cmd_bits);
|
||
|
||
swap_ptr = (uint8_t*)&addr_got;
|
||
for (int j = 0; j < 8; j++) swap_ptr[j] = bitswap(swap_ptr[j]);
|
||
addr_got = addr_got >> (64-addr_bits);
|
||
}
|
||
|
||
ESP_LOGI(SLAVE_TAG, "cmd_got: %04X, addr_got: %08X%08X", cmd_got, (uint32_t)(addr_got>>32), (uint32_t)addr_got);
|
||
|
||
TEST_ASSERT_EQUAL_HEX16(cmd_expected, cmd_got);
|
||
if (addr_bits > 0) {
|
||
TEST_ASSERT_EQUAL_HEX32(addr_expected, addr_got);
|
||
TEST_ASSERT_EQUAL_HEX32(addr_expected >> 8, addr_got >> 8);
|
||
}
|
||
|
||
//clean
|
||
vRingbufferReturnItem(slave_context->data_received, buffer);
|
||
}
|
||
|
||
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||
TEST_ASSERT(spi_bus_free(TEST_SPI_HOST) == ESP_OK);
|
||
}
|
||
|
||
TEST_CASE("SPI master variable cmd & addr test","[spi]")
|
||
{
|
||
spi_slave_task_context_t slave_context = {};
|
||
esp_err_t err = init_slave_context( &slave_context );
|
||
TEST_ASSERT( err == ESP_OK );
|
||
TaskHandle_t handle_slave;
|
||
xTaskCreate( spitest_slave_task, "spi_slave", 4096, &slave_context, 0, &handle_slave);
|
||
|
||
//initial slave, mode 0, no dma
|
||
int dma_chan = 0;
|
||
int slave_mode = 0;
|
||
spi_bus_config_t slv_buscfg=SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
spi_slave_interface_config_t slvcfg=SPI_SLAVE_TEST_DEFAULT_CONFIG();
|
||
slvcfg.mode = slave_mode;
|
||
//Initialize SPI slave interface
|
||
TEST_ESP_OK( spi_slave_initialize(TEST_SLAVE_HOST, &slv_buscfg, &slvcfg, dma_chan) );
|
||
|
||
test_cmd_addr(&slave_context, false);
|
||
test_cmd_addr(&slave_context, true);
|
||
|
||
vTaskDelete( handle_slave );
|
||
handle_slave = 0;
|
||
|
||
deinit_slave_context(&slave_context);
|
||
|
||
TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK);
|
||
|
||
ESP_LOGI(MASTER_TAG, "test passed.");
|
||
}
|
||
|
||
/********************************************************************************
|
||
* Test SPI transaction interval
|
||
********************************************************************************/
|
||
#define RECORD_TIME_PREPARE() uint32_t __t1, __t2
|
||
#define RECORD_TIME_START() do {__t1 = xthal_get_ccount();}while(0)
|
||
#define RECORD_TIME_END(p_time) do{__t2 = xthal_get_ccount(); *p_time = (__t2-__t1)/240;}while(0)
|
||
|
||
static void speed_setup(spi_device_handle_t* spi, bool use_dma)
|
||
{
|
||
esp_err_t ret;
|
||
spi_bus_config_t buscfg=SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
spi_device_interface_config_t devcfg=SPI_DEVICE_TEST_DEFAULT_CONFIG();
|
||
devcfg.queue_size=8; //We want to be able to queue 7 transactions at a time
|
||
|
||
//Initialize the SPI bus and the device to test
|
||
ret=spi_bus_initialize(HSPI_HOST, &buscfg, (use_dma?1:0));
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, spi);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
}
|
||
|
||
static void sorted_array_insert(uint32_t* array, int* size, uint32_t item)
|
||
{
|
||
int pos;
|
||
for (pos = *size; pos>0; pos--) {
|
||
if (array[pos-1] < item) break;
|
||
array[pos] = array[pos-1];
|
||
}
|
||
array[pos]=item;
|
||
(*size)++;
|
||
}
|
||
|
||
#define TEST_TIMES 11
|
||
|
||
static IRAM_ATTR void spi_transmit_measure(spi_device_handle_t spi, spi_transaction_t* trans, uint32_t* t_flight)
|
||
{
|
||
RECORD_TIME_PREPARE();
|
||
spi_device_transmit(spi, trans); // prime the flash cache
|
||
RECORD_TIME_START();
|
||
spi_device_transmit(spi, trans);
|
||
RECORD_TIME_END(t_flight);
|
||
}
|
||
|
||
static IRAM_ATTR void spi_transmit_polling_measure(spi_device_handle_t spi, spi_transaction_t* trans, uint32_t* t_flight)
|
||
{
|
||
RECORD_TIME_PREPARE();
|
||
spi_device_polling_transmit(spi, trans); // prime the flash cache
|
||
RECORD_TIME_START();
|
||
spi_device_polling_transmit(spi, trans);
|
||
RECORD_TIME_END(t_flight);
|
||
}
|
||
|
||
TEST_CASE("spi_speed","[spi]")
|
||
{
|
||
#ifdef CONFIG_FREERTOS_CHECK_PORT_CRITICAL_COMPLIANCE
|
||
return;
|
||
#endif
|
||
uint32_t t_flight;
|
||
//to get rid of the influence of randomly interrupts, we measured the performance by median value
|
||
uint32_t t_flight_sorted[TEST_TIMES];
|
||
esp_err_t ret;
|
||
int t_flight_num = 0;
|
||
|
||
spi_device_handle_t spi;
|
||
const bool use_dma = true;
|
||
WORD_ALIGNED_ATTR spi_transaction_t trans = {
|
||
.length = 1*8,
|
||
.flags = SPI_TRANS_USE_TXDATA,
|
||
};
|
||
|
||
//first work with DMA
|
||
speed_setup(&spi, use_dma);
|
||
|
||
//record flight time by isr, with DMA
|
||
t_flight_num = 0;
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
spi_transmit_measure(spi, &trans, &t_flight);
|
||
sorted_array_insert(t_flight_sorted, &t_flight_num, t_flight);
|
||
}
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
ESP_LOGI(TAG, "%d", t_flight_sorted[i]);
|
||
}
|
||
TEST_PERFORMANCE_LESS_THAN(SPI_PER_TRANS_NO_POLLING, "%d us", t_flight_sorted[(TEST_TIMES+1)/2]);
|
||
|
||
//acquire the bus to send polling transactions faster
|
||
ret = spi_device_acquire_bus(spi, portMAX_DELAY);
|
||
TEST_ESP_OK(ret);
|
||
|
||
//record flight time by polling and with DMA
|
||
t_flight_num = 0;
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
spi_transmit_polling_measure(spi, &trans, &t_flight);
|
||
sorted_array_insert(t_flight_sorted, &t_flight_num, t_flight);
|
||
}
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
ESP_LOGI(TAG, "%d", t_flight_sorted[i]);
|
||
}
|
||
TEST_PERFORMANCE_LESS_THAN(SPI_PER_TRANS_POLLING, "%d us", t_flight_sorted[(TEST_TIMES+1)/2]);
|
||
|
||
//release the bus
|
||
spi_device_release_bus(spi);
|
||
|
||
master_free_device_bus(spi);
|
||
|
||
speed_setup(&spi, !use_dma);
|
||
|
||
//record flight time by isr, without DMA
|
||
t_flight_num = 0;
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
spi_transmit_measure(spi, &trans, &t_flight);
|
||
sorted_array_insert(t_flight_sorted, &t_flight_num, t_flight);
|
||
}
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
ESP_LOGI(TAG, "%d", t_flight_sorted[i]);
|
||
}
|
||
TEST_PERFORMANCE_LESS_THAN( SPI_PER_TRANS_NO_POLLING_NO_DMA, "%d us", t_flight_sorted[(TEST_TIMES+1)/2]);
|
||
|
||
//acquire the bus to send polling transactions faster
|
||
ret = spi_device_acquire_bus(spi, portMAX_DELAY);
|
||
TEST_ESP_OK(ret);
|
||
//record flight time by polling, without DMA
|
||
t_flight_num = 0;
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
spi_transmit_polling_measure(spi, &trans, &t_flight);
|
||
sorted_array_insert(t_flight_sorted, &t_flight_num, t_flight);
|
||
}
|
||
for (int i = 0; i < TEST_TIMES; i++) {
|
||
ESP_LOGI(TAG, "%d", t_flight_sorted[i]);
|
||
}
|
||
TEST_PERFORMANCE_LESS_THAN(SPI_PER_TRANS_POLLING_NO_DMA, "%d us", t_flight_sorted[(TEST_TIMES+1)/2]);
|
||
|
||
//release the bus
|
||
spi_device_release_bus(spi);
|
||
master_free_device_bus(spi);
|
||
}
|
||
|
||
typedef struct {
|
||
spi_device_handle_t handle;
|
||
bool finished;
|
||
} task_context_t;
|
||
|
||
void spi_task1(void* arg)
|
||
{
|
||
//task1 send 50 polling transactions, acquire the bus and send another 50
|
||
int count=0;
|
||
spi_transaction_t t = {
|
||
.flags = SPI_TRANS_USE_TXDATA,
|
||
.tx_data = { 0x80, 0x12, 0x34, 0x56 },
|
||
.length = 4*8,
|
||
};
|
||
spi_device_handle_t handle = ((task_context_t*)arg)->handle;
|
||
for( int j = 0; j < 50; j ++ ) {
|
||
TEST_ESP_OK(spi_device_polling_transmit( handle, &t ));
|
||
ESP_LOGI( TAG, "task1:%d", count++ );
|
||
}
|
||
TEST_ESP_OK(spi_device_acquire_bus( handle, portMAX_DELAY ));
|
||
for( int j = 0; j < 50; j ++ ) {
|
||
TEST_ESP_OK(spi_device_polling_transmit( handle, &t ));
|
||
ESP_LOGI( TAG, "task1:%d", count++ );
|
||
}
|
||
spi_device_release_bus(handle);
|
||
ESP_LOGI(TAG, "task1 terminates");
|
||
((task_context_t*)arg)->finished = true;
|
||
vTaskDelete(NULL);
|
||
}
|
||
|
||
void spi_task2(void* arg)
|
||
{
|
||
int count=0;
|
||
//task2 acquire the bus, send 50 polling transactions and then 50 non-polling
|
||
spi_transaction_t t = {
|
||
.flags = SPI_TRANS_USE_TXDATA,
|
||
.tx_data = { 0x80, 0x12, 0x34, 0x56 },
|
||
.length = 4*8,
|
||
};
|
||
spi_transaction_t *ret_t;
|
||
spi_device_handle_t handle = ((task_context_t*)arg)->handle;
|
||
TEST_ESP_OK(spi_device_acquire_bus( handle, portMAX_DELAY ));
|
||
|
||
for (int i = 0; i < 50; i ++) {
|
||
TEST_ESP_OK(spi_device_polling_transmit(handle, &t));
|
||
ESP_LOGI( TAG, "task2: %d", count++ );
|
||
}
|
||
|
||
for( int j = 0; j < 50; j ++ ) {
|
||
TEST_ESP_OK(spi_device_queue_trans( handle, &t, portMAX_DELAY ));
|
||
}
|
||
for( int j = 0; j < 50; j ++ ) {
|
||
TEST_ESP_OK(spi_device_get_trans_result(handle, &ret_t, portMAX_DELAY));
|
||
assert(ret_t == &t);
|
||
ESP_LOGI( TAG, "task2: %d", count++ );
|
||
}
|
||
spi_device_release_bus(handle);
|
||
vTaskDelay(1);
|
||
ESP_LOGI(TAG, "task2 terminates");
|
||
((task_context_t*)arg)->finished = true;
|
||
vTaskDelete(NULL);
|
||
}
|
||
|
||
void spi_task3(void* arg)
|
||
{
|
||
//task3 send 30 polling transactions, acquire the bus, send 20 polling transactions and then 50 non-polling
|
||
int count=0;
|
||
spi_transaction_t t = {
|
||
.flags = SPI_TRANS_USE_TXDATA,
|
||
.tx_data = { 0x80, 0x12, 0x34, 0x56 },
|
||
.length = 4*8,
|
||
};
|
||
spi_transaction_t *ret_t;
|
||
spi_device_handle_t handle = ((task_context_t*)arg)->handle;
|
||
|
||
for (int i = 0; i < 30; i ++) {
|
||
TEST_ESP_OK(spi_device_polling_transmit(handle, &t));
|
||
ESP_LOGI( TAG, "task3: %d", count++ );
|
||
}
|
||
|
||
TEST_ESP_OK(spi_device_acquire_bus( handle, portMAX_DELAY ));
|
||
for (int i = 0; i < 20; i ++) {
|
||
TEST_ESP_OK(spi_device_polling_transmit(handle, &t));
|
||
ESP_LOGI( TAG, "task3: %d", count++ );
|
||
}
|
||
|
||
for (int j = 0; j < 50; j++) {
|
||
TEST_ESP_OK(spi_device_queue_trans(handle, &t, portMAX_DELAY));
|
||
}
|
||
for (int j = 0; j < 50; j++) {
|
||
TEST_ESP_OK(spi_device_get_trans_result(handle, &ret_t, portMAX_DELAY));
|
||
assert(ret_t == &t);
|
||
ESP_LOGI(TAG, "task3: %d", count++);
|
||
}
|
||
spi_device_release_bus(handle);
|
||
|
||
ESP_LOGI(TAG, "task3 terminates");
|
||
((task_context_t*)arg)->finished = true;
|
||
vTaskDelete(NULL);
|
||
}
|
||
|
||
TEST_CASE("spi poll tasks","[spi]")
|
||
{
|
||
task_context_t context1={};
|
||
task_context_t context2={};
|
||
task_context_t context3={};
|
||
TaskHandle_t task1, task2, task3;
|
||
esp_err_t ret;
|
||
spi_bus_config_t buscfg=SPI_BUS_TEST_DEFAULT_CONFIG();
|
||
spi_device_interface_config_t devcfg=SPI_DEVICE_TEST_DEFAULT_CONFIG();
|
||
devcfg.queue_size = 100;
|
||
|
||
//Initialize the SPI bus and 3 devices
|
||
ret=spi_bus_initialize(HSPI_HOST, &buscfg, 1);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &context1.handle);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &context2.handle);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
ret=spi_bus_add_device(HSPI_HOST, &devcfg, &context3.handle);
|
||
TEST_ASSERT(ret==ESP_OK);
|
||
|
||
xTaskCreate( spi_task1, "task1", 2048, &context1, 0, &task1 );
|
||
xTaskCreate( spi_task2, "task2", 2048, &context2, 0, &task2 );
|
||
xTaskCreate( spi_task3, "task3", 2048, &context3, 0, &task3 );
|
||
|
||
for(;;){
|
||
vTaskDelay(10);
|
||
if (context1.finished && context2.finished && context3.finished) break;
|
||
}
|
||
|
||
TEST_ESP_OK( spi_bus_remove_device(context1.handle) );
|
||
TEST_ESP_OK( spi_bus_remove_device(context2.handle) );
|
||
TEST_ESP_OK( spi_bus_remove_device(context3.handle) );
|
||
TEST_ESP_OK( spi_bus_free(HSPI_HOST) );
|
||
}
|
||
|
||
|
||
//TODO: add a case when a non-polling transaction happened in the bus-acquiring time and then release the bus then queue a new trans
|