kopia lustrzana https://github.com/espressif/esp-idf
test(spi): internal connection test master with slave for address and command field.
michael
rodzic
57e1d47ad7
commit
13d38f10ee
|
|
@ -15,10 +15,13 @@
|
||||||
#include "freertos/xtensa_api.h"
|
#include "freertos/xtensa_api.h"
|
||||||
#include "unity.h"
|
#include "unity.h"
|
||||||
#include "driver/spi_master.h"
|
#include "driver/spi_master.h"
|
||||||
|
#include "driver/spi_slave.h"
|
||||||
#include "soc/dport_reg.h"
|
#include "soc/dport_reg.h"
|
||||||
#include "soc/spi_reg.h"
|
#include "soc/spi_reg.h"
|
||||||
#include "soc/spi_struct.h"
|
#include "soc/spi_struct.h"
|
||||||
#include "esp_heap_caps.h"
|
#include "esp_heap_caps.h"
|
||||||
|
#include "esp_log.h"
|
||||||
|
#include "freertos/ringbuf.h"
|
||||||
|
|
||||||
|
|
||||||
static void check_spi_pre_n_for(int clk, int pre, int n)
|
static void check_spi_pre_n_for(int clk, int pre, int n)
|
||||||
|
|
@ -489,3 +492,239 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
|
||||||
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||||||
TEST_ASSERT(spi_bus_free(HSPI_HOST) == ESP_OK);
|
TEST_ASSERT(spi_bus_free(HSPI_HOST) == ESP_OK);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static const char MASTER_TAG[] = "test_master";
|
||||||
|
static const char SLAVE_TAG[] = "test_slave";
|
||||||
|
DRAM_ATTR static uint8_t master_send[] = {0x93, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0xaa, 0xcc, 0xff, 0xee, 0x55, 0x77, 0x88, 0x43};
|
||||||
|
DRAM_ATTR static uint8_t slave_send[] = { 0xaa, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, 0x13, 0x57, 0x9b, 0xdf, 0x24, 0x68, 0xac, 0xe0 };
|
||||||
|
|
||||||
|
static void master_init( spi_device_handle_t* spi, int mode, uint32_t speed)
|
||||||
|
{
|
||||||
|
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=speed, //currently only up to 4MHz for internel connect
|
||||||
|
.mode=mode, //SPI mode 0
|
||||||
|
.spics_io_num=PIN_NUM_CS, //CS pin
|
||||||
|
.queue_size=16, //We want to be able to queue 7 transactions at a time
|
||||||
|
.pre_cb=NULL,
|
||||||
|
.cs_ena_pretrans = 0,
|
||||||
|
};
|
||||||
|
//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);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void slave_init(int mode, int dma_chan)
|
||||||
|
{
|
||||||
|
//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=mode,
|
||||||
|
.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(VSPI_HOST, &buscfg, &slvcfg, dma_chan) );
|
||||||
|
}
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
uint32_t len;
|
||||||
|
uint8_t *start;
|
||||||
|
} slave_txdata_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
uint32_t len;
|
||||||
|
uint8_t data[1];
|
||||||
|
} slave_rxdata_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
RingbufHandle_t data_received;
|
||||||
|
QueueHandle_t data_to_send;
|
||||||
|
} spi_slave_task_context_t;
|
||||||
|
|
||||||
|
esp_err_t init_slave_context(spi_slave_task_context_t *context)
|
||||||
|
{
|
||||||
|
context->data_to_send = xQueueCreate( 16, sizeof( slave_txdata_t ));
|
||||||
|
if ( context->data_to_send == NULL ) {
|
||||||
|
return ESP_ERR_NO_MEM;
|
||||||
|
}
|
||||||
|
context->data_received = xRingbufferCreate( 1024, RINGBUF_TYPE_NOSPLIT );
|
||||||
|
if ( context->data_received == NULL ) {
|
||||||
|
return ESP_ERR_NO_MEM;
|
||||||
|
}
|
||||||
|
return ESP_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
void deinit_slave_context(spi_slave_task_context_t *context)
|
||||||
|
{
|
||||||
|
TEST_ASSERT( context->data_to_send != NULL );
|
||||||
|
vQueueDelete( context->data_to_send );
|
||||||
|
context->data_to_send = NULL;
|
||||||
|
TEST_ASSERT( context->data_received != NULL );
|
||||||
|
vRingbufferDelete( context->data_received );
|
||||||
|
context->data_received = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void task_slave(void* arg)
|
||||||
|
{
|
||||||
|
spi_slave_task_context_t* context = (spi_slave_task_context_t*) arg;
|
||||||
|
QueueHandle_t queue = context->data_to_send;
|
||||||
|
RingbufHandle_t ringbuf = context->data_received;
|
||||||
|
uint8_t recvbuf[320+4];
|
||||||
|
slave_txdata_t txdata;
|
||||||
|
|
||||||
|
ESP_LOGI( SLAVE_TAG, "slave up" );
|
||||||
|
//never quit, but blocked by the queue, waiting to be killed, when no more send from main task.
|
||||||
|
while( 1 ) {
|
||||||
|
xQueueReceive( queue, &txdata, portMAX_DELAY );
|
||||||
|
|
||||||
|
ESP_LOGI( "test", "received: %p", txdata.start );
|
||||||
|
spi_slave_transaction_t t = {};
|
||||||
|
t.length = txdata.len;
|
||||||
|
t.tx_buffer = txdata.start;
|
||||||
|
t.rx_buffer = recvbuf+4;
|
||||||
|
//loop until trans_len != 0 to skip glitches
|
||||||
|
do {
|
||||||
|
TEST_ESP_OK( spi_slave_transmit( VSPI_HOST, &t, portMAX_DELAY ) );
|
||||||
|
} while ( t.trans_len == 0 );
|
||||||
|
*(uint32_t*)recvbuf = t.trans_len;
|
||||||
|
ESP_LOGI( SLAVE_TAG, "received: %d", t.trans_len );
|
||||||
|
xRingbufferSend( ringbuf, recvbuf, 4+(t.trans_len+7)/8, portMAX_DELAY );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
TEST_CASE("SPI master variable cmd & addr test","[spi]")
|
||||||
|
{
|
||||||
|
uint8_t *tx_buf=master_send;
|
||||||
|
uint8_t rx_buf[320];
|
||||||
|
uint8_t *rx_buf_ptr = rx_buf;
|
||||||
|
|
||||||
|
spi_slave_task_context_t slave_context = {};
|
||||||
|
esp_err_t err = init_slave_context( &slave_context );
|
||||||
|
TEST_ASSERT( err == ESP_OK );
|
||||||
|
|
||||||
|
spi_device_handle_t spi;
|
||||||
|
//initial master, mode 0, 1MHz
|
||||||
|
master_init( &spi, 0, 1*1000*1000 );
|
||||||
|
//initial slave, mode 0, no dma
|
||||||
|
slave_init(0, 0);
|
||||||
|
|
||||||
|
//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 );
|
||||||
|
|
||||||
|
TaskHandle_t handle_slave;
|
||||||
|
xTaskCreate( task_slave, "spi_slave", 4096, &slave_context, 0, &handle_slave);
|
||||||
|
|
||||||
|
slave_txdata_t slave_txdata[16];
|
||||||
|
spi_transaction_ext_t trans[16];
|
||||||
|
for( int i= 0; i < 16; i ++ ) {
|
||||||
|
//prepare slave tx data
|
||||||
|
slave_txdata[i] = (slave_txdata_t) {
|
||||||
|
.start = slave_send + 4*(i%3),
|
||||||
|
.len = 256,
|
||||||
|
};
|
||||||
|
xQueueSend( slave_context.data_to_send, &slave_txdata[i], portMAX_DELAY );
|
||||||
|
//prepare master tx data
|
||||||
|
trans[i] = (spi_transaction_ext_t) {
|
||||||
|
.base = {
|
||||||
|
.flags = SPI_TRANS_VARIABLE_CMD | SPI_TRANS_VARIABLE_ADDR,
|
||||||
|
.addr = 0x456789ab,
|
||||||
|
.cmd = 0xcdef,
|
||||||
|
|
||||||
|
.length = 8*i,
|
||||||
|
.tx_buffer = tx_buf+i,
|
||||||
|
.rx_buffer = rx_buf_ptr,
|
||||||
|
},
|
||||||
|
.command_bits = ((i+1)%3) * 8,
|
||||||
|
.address_bits = ((i/3)%5) * 8,
|
||||||
|
};
|
||||||
|
if ( trans[i].base.length == 0 ) {
|
||||||
|
trans[i].base.tx_buffer = NULL;
|
||||||
|
trans[i].base.rx_buffer = NULL;
|
||||||
|
} else {
|
||||||
|
rx_buf_ptr += (trans[i].base.length + 31)/32*4;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
vTaskDelay(10);
|
||||||
|
|
||||||
|
for ( int i = 0; i < 16; i ++ ) {
|
||||||
|
TEST_ESP_OK (spi_device_queue_trans( spi, (spi_transaction_t*)&trans[i], portMAX_DELAY ) );
|
||||||
|
vTaskDelay(10);
|
||||||
|
}
|
||||||
|
|
||||||
|
for( int i= 0; i < 16; i ++ ) {
|
||||||
|
//wait for both master and slave end
|
||||||
|
ESP_LOGI( MASTER_TAG, "===== test%d =====", i );
|
||||||
|
spi_transaction_ext_t *t;
|
||||||
|
size_t rcv_len;
|
||||||
|
spi_device_get_trans_result( spi, (spi_transaction_t**)&t, portMAX_DELAY );
|
||||||
|
TEST_ASSERT( t == &trans[i] );
|
||||||
|
if ( trans[i].base.length != 0 ) {
|
||||||
|
ESP_LOG_BUFFER_HEX( "master tx", trans[i].base.tx_buffer, trans[i].base.length/8 );
|
||||||
|
ESP_LOG_BUFFER_HEX( "master rx", trans[i].base.rx_buffer, trans[i].base.length/8 );
|
||||||
|
} else {
|
||||||
|
ESP_LOGI( "master tx", "no data" );
|
||||||
|
ESP_LOGI( "master rx", "no data" );
|
||||||
|
}
|
||||||
|
|
||||||
|
slave_rxdata_t *rcv_data = xRingbufferReceive( slave_context.data_received, &rcv_len, portMAX_DELAY );
|
||||||
|
uint8_t *buffer = rcv_data->data;
|
||||||
|
rcv_len = rcv_data->len;
|
||||||
|
ESP_LOGI(SLAVE_TAG, "trans_len: %d", rcv_len);
|
||||||
|
ESP_LOG_BUFFER_HEX( "slave tx", slave_txdata[i].start, (rcv_len+7)/8);
|
||||||
|
ESP_LOG_BUFFER_HEX( "slave rx", buffer, (rcv_len+7)/8);
|
||||||
|
//check result
|
||||||
|
uint8_t *ptr_addr = (uint8_t*)&t->base.addr;
|
||||||
|
uint8_t *ptr_cmd = (uint8_t*)&t->base.cmd;
|
||||||
|
for ( int j = 0; j < t->command_bits/8; j ++ ) {
|
||||||
|
TEST_ASSERT_EQUAL( buffer[j], ptr_cmd[t->command_bits/8-j-1] );
|
||||||
|
}
|
||||||
|
for ( int j = 0; j < t->address_bits/8; j ++ ) {
|
||||||
|
TEST_ASSERT_EQUAL( buffer[t->command_bits/8+j], ptr_addr[t->address_bits/8-j-1] );
|
||||||
|
}
|
||||||
|
if ( t->base.length != 0) {
|
||||||
|
TEST_ASSERT_EQUAL_HEX8_ARRAY(t->base.tx_buffer, buffer + (t->command_bits + t->address_bits)/8, t->base.length/8);
|
||||||
|
TEST_ASSERT_EQUAL_HEX8_ARRAY(slave_txdata[i].start + (t->command_bits + t->address_bits)/8, t->base.rx_buffer, t->base.length/8);
|
||||||
|
}
|
||||||
|
TEST_ASSERT_EQUAL( t->base.length + t->command_bits + t->address_bits, rcv_len );
|
||||||
|
|
||||||
|
//clean
|
||||||
|
vRingbufferReturnItem( slave_context.data_received, buffer );
|
||||||
|
}
|
||||||
|
|
||||||
|
vTaskDelete( handle_slave );
|
||||||
|
handle_slave = 0;
|
||||||
|
|
||||||
|
deinit_slave_context(&slave_context);
|
||||||
|
|
||||||
|
TEST_ASSERT(spi_slave_free(VSPI_HOST) == ESP_OK);
|
||||||
|
|
||||||
|
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
|
||||||
|
TEST_ASSERT(spi_bus_free(HSPI_HOST) == ESP_OK);
|
||||||
|
|
||||||
|
ESP_LOGI(MASTER_TAG, "test passed.");
|
||||||
|
}
|
||||||
|
|
|
||||||
Ładowanie…
Reference in New Issue