143 lines
4.8 KiB
C
143 lines
4.8 KiB
C
/*
|
|
Tests for the spi_slave device driver
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include "unity.h"
|
|
#include "driver/spi_master.h"
|
|
#include "driver/spi_slave.h"
|
|
#include "driver/gpio.h"
|
|
#include "esp_log.h"
|
|
#include "sdkconfig.h"
|
|
#include "test/test_common_spi.h"
|
|
|
|
#ifndef CONFIG_ESP32_SPIRAM_SUPPORT
|
|
//This test should be removed once the timing test is merged.
|
|
|
|
|
|
#define MASTER_SEND {0x93, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0xaa, 0xcc, 0xff, 0xee, 0x55, 0x77, 0x88, 0x43}
|
|
#define SLAVE_SEND { 0xaa, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x13, 0x57, 0x9b, 0xdf, 0x24, 0x68, 0xac, 0xe0 }
|
|
|
|
static inline void int_connect( uint32_t gpio, uint32_t sigo, uint32_t sigi )
|
|
{
|
|
gpio_matrix_out( gpio, sigo, false, false );
|
|
gpio_matrix_in( gpio, sigi, false );
|
|
}
|
|
|
|
static void master_init_nodma( spi_device_handle_t* spi)
|
|
{
|
|
esp_err_t ret;
|
|
spi_bus_config_t buscfg={
|
|
.miso_io_num=PIN_NUM_MISO,
|
|
.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=4*1000*1000, //currently only up to 4MHz for internel connect
|
|
.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,
|
|
.cs_ena_posttrans=5,
|
|
.cs_ena_pretrans=1,
|
|
};
|
|
//Initialize the SPI bus
|
|
ret=spi_bus_initialize(TEST_SPI_HOST, &buscfg, 0);
|
|
TEST_ASSERT(ret==ESP_OK);
|
|
//Attach the LCD to the SPI bus
|
|
ret=spi_bus_add_device(TEST_SPI_HOST, &devcfg, spi);
|
|
TEST_ASSERT(ret==ESP_OK);
|
|
}
|
|
|
|
static void slave_init(void)
|
|
{
|
|
//Configuration for the SPI bus
|
|
spi_bus_config_t buscfg={
|
|
.mosi_io_num=PIN_NUM_MOSI,
|
|
.miso_io_num=PIN_NUM_MISO,
|
|
.sclk_io_num=PIN_NUM_CLK
|
|
};
|
|
//Configuration for the SPI slave interface
|
|
spi_slave_interface_config_t slvcfg={
|
|
.mode=0,
|
|
.spics_io_num=PIN_NUM_CS,
|
|
.queue_size=3,
|
|
.flags=0,
|
|
};
|
|
//Enable pull-ups on SPI lines so we don't detect rogue pulses when no master is connected.
|
|
gpio_set_pull_mode(PIN_NUM_MOSI, GPIO_PULLUP_ONLY);
|
|
gpio_set_pull_mode(PIN_NUM_CLK, GPIO_PULLUP_ONLY);
|
|
gpio_set_pull_mode(PIN_NUM_CS, GPIO_PULLUP_ONLY);
|
|
//Initialize SPI slave interface
|
|
TEST_ESP_OK( spi_slave_initialize(TEST_SLAVE_HOST, &buscfg, &slvcfg, 2) );
|
|
}
|
|
|
|
TEST_CASE("test slave send unaligned","[spi]")
|
|
{
|
|
WORD_ALIGNED_ATTR uint8_t master_txbuf[320]=MASTER_SEND;
|
|
WORD_ALIGNED_ATTR uint8_t master_rxbuf[320];
|
|
WORD_ALIGNED_ATTR uint8_t slave_txbuf[320]=SLAVE_SEND;
|
|
WORD_ALIGNED_ATTR uint8_t slave_rxbuf[320];
|
|
|
|
spi_device_handle_t spi;
|
|
//initial master
|
|
master_init_nodma( &spi );
|
|
//initial slave
|
|
slave_init();
|
|
|
|
//do internal connection
|
|
int_connect( PIN_NUM_MOSI, HSPID_OUT_IDX, VSPIQ_IN_IDX );
|
|
int_connect( PIN_NUM_MISO, VSPIQ_OUT_IDX, HSPID_IN_IDX );
|
|
int_connect( PIN_NUM_CS, HSPICS0_OUT_IDX, VSPICS0_IN_IDX );
|
|
int_connect( PIN_NUM_CLK, HSPICLK_OUT_IDX, VSPICLK_IN_IDX );
|
|
|
|
for ( int i = 0; i < 4; i ++ ) {
|
|
//slave send
|
|
spi_slave_transaction_t slave_t;
|
|
spi_slave_transaction_t* out;
|
|
memset(&slave_t, 0, sizeof(spi_slave_transaction_t));
|
|
slave_t.length=8*32;
|
|
slave_t.tx_buffer=slave_txbuf+i;
|
|
slave_t.rx_buffer=slave_rxbuf;
|
|
TEST_ESP_OK(spi_slave_queue_trans(TEST_SLAVE_HOST, &slave_t, portMAX_DELAY));
|
|
|
|
//send
|
|
spi_transaction_t t = {};
|
|
t.length = 32*(i+1);
|
|
if ( t.length != 0 ) {
|
|
t.tx_buffer = master_txbuf+i;
|
|
t.rx_buffer = master_rxbuf+i;
|
|
}
|
|
spi_device_transmit( spi, (spi_transaction_t*)&t );
|
|
|
|
//wait for end
|
|
TEST_ESP_OK(spi_slave_get_trans_result(TEST_SLAVE_HOST, &out, portMAX_DELAY));
|
|
|
|
//show result
|
|
ESP_LOGI(SLAVE_TAG, "trans_len: %d", slave_t.trans_len);
|
|
ESP_LOG_BUFFER_HEX( "master tx", t.tx_buffer, t.length/8 );
|
|
ESP_LOG_BUFFER_HEX( "master rx", t.rx_buffer, t.length/8 );
|
|
ESP_LOG_BUFFER_HEX( "slave tx", slave_t.tx_buffer, (slave_t.trans_len+7)/8);
|
|
ESP_LOG_BUFFER_HEX( "slave rx", slave_t.rx_buffer, (slave_t.trans_len+7)/8);
|
|
|
|
TEST_ASSERT_EQUAL_HEX8_ARRAY( t.tx_buffer, slave_t.rx_buffer, t.length/8 );
|
|
TEST_ASSERT_EQUAL_HEX8_ARRAY( slave_t.tx_buffer, t.rx_buffer, t.length/8 );
|
|
|
|
TEST_ASSERT_EQUAL( t.length, slave_t.trans_len );
|
|
|
|
//clean
|
|
memset( master_rxbuf, 0x66, sizeof(master_rxbuf));
|
|
memset( slave_rxbuf, 0x66, sizeof(slave_rxbuf));
|
|
}
|
|
|
|
TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK);
|
|
|
|
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
|
TEST_ASSERT(spi_bus_free(TEST_SPI_HOST) == ESP_OK);
|
|
|
|
ESP_LOGI(MASTER_TAG, "test passed.");
|
|
}
|
|
|
|
#endif // !CONFIG_ESP32_SPIRAM_SUPPORT
|