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test: modify the command/address test a bit to test the LSBFIRST feature

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This commit is contained in:
michael 2018-10-04 00:16:21 +08:00 committed by Michael (XIAO Xufeng)
parent a5a692ef8c
commit 4ae01aed27
1 changed files with 165 additions and 103 deletions
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268
components/driver/test/test_spi_master.c
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@ -390,7 +390,7 @@ TEST_CASE("SPI Master DMA test, TX and RX in different regions", "[spi]")
trans[4].rxlength = 8*4;
trans[4].tx_buffer = data_drom;
trans[4].flags = SPI_TRANS_USE_RXDATA;
trans[5].length = 8*4;
trans[5].flags = SPI_TRANS_USE_RXDATA | SPI_TRANS_USE_TXDATA;
@ -412,7 +412,7 @@ TEST_CASE("SPI Master DMA test, TX and RX in different regions", "[spi]")
}
static inline void int_connect( uint32_t gpio, uint32_t sigo, uint32_t sigi )
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 );
@ -430,7 +430,7 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
esp_err_t ret;
spi_device_handle_t spi;
spi_bus_config_t buscfg={
.miso_io_num=PIN_NUM_MISO,
.miso_io_num=PIN_NUM_MISO,
.mosi_io_num=PIN_NUM_MOSI,
.sclk_io_num=PIN_NUM_CLK,
.quadwp_io_num=-1,
@ -441,7 +441,7 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
.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,
.pre_cb=NULL,
};
//Initialize the SPI bus
ret=spi_bus_initialize(HSPI_HOST, &buscfg, 1);
@ -454,14 +454,14 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
int_connect( PIN_NUM_MOSI, HSPID_OUT_IDX, HSPIQ_IN_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.tx_buffer = tx_buf+2*i;
t.rx_buffer = rx_buf + i;
if ( i == 1 ) {
@ -470,7 +470,7 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
} 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 ++ ) {
@ -486,7 +486,7 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
} else {
//normal check
TEST_ASSERT( memcmp(t.tx_buffer, t.rx_buffer, t.length/8)==0 );
}
}
}
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
@ -495,14 +495,15 @@ TEST_CASE("SPI Master DMA test: length, start, not aligned", "[spi]")
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 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,
.miso_io_num=PIN_NUM_MISO,
.mosi_io_num=PIN_NUM_MOSI,
.sclk_io_num=PIN_NUM_CLK,
.quadwp_io_num=-1,
@ -513,7 +514,7 @@ static void master_init( spi_device_handle_t* spi, int mode, uint32_t speed)
.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,
.pre_cb=NULL,
.cs_ena_pretrans = 0,
};
//Initialize the SPI bus
@ -546,6 +547,7 @@ static void slave_init(int mode, int dma_chan)
//Initialize SPI slave interface
TEST_ESP_OK( spi_slave_initialize(VSPI_HOST, &buscfg, &slvcfg, dma_chan) );
}
*/
typedef struct {
uint32_t len;
@ -604,6 +606,7 @@ static void task_slave(void* arg)
t.tx_buffer = txdata.start;
t.rx_buffer = recvbuf+4;
//loop until trans_len != 0 to skip glitches
memset(recvbuf, 0x66, sizeof(recvbuf));
do {
TEST_ESP_OK( spi_slave_transmit( VSPI_HOST, &t, portMAX_DELAY ) );
} while ( t.trans_len == 0 );
@ -613,118 +616,177 @@ static void task_slave(void* arg)
}
}
TEST_CASE("SPI master variable cmd & addr test","[spi]")
#define TEST_SPI_HOST HSPI_HOST
#define TEST_SLAVE_HOST VSPI_HOST
static uint8_t bitswap(uint8_t in)
{
uint8_t *tx_buf=master_send;
uint8_t rx_buf[320];
uint8_t *rx_buf_ptr = rx_buf;
uint8_t out = 0;
for (int i = 0; i < 8; i++) {
out = out >> 1;
if (in&0x80) out |= 0x80;
in = in << 1;
}
return out;
}
spi_slave_task_context_t slave_context = {};
esp_err_t err = init_slave_context( &slave_context );
TEST_ASSERT( err == ESP_OK );
#define SPI_BUS_TEST_DEFAULT_CONFIG() {\
.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\
}
#define SPI_DEVICE_TEST_DEFAULT_CONFIG() {\
.clock_speed_hz=10*1000*1000,\
.mode=0,\
.spics_io_num=PIN_NUM_CS,\
.queue_size=16,\
.pre_cb=NULL, \
.cs_ena_pretrans = 0,\
.cs_ena_posttrans = 0,\
}
#define SPI_SLAVE_TEST_DEFAULT_CONFIG() {\
.mode=0,\
.spics_io_num=PIN_NUM_CS,\
.queue_size=3,\
.flags=0,\
}
void test_cmd_addr(spi_slave_task_context_t *slave_context, bool lsb_first)
{
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);
ESP_LOGI(MASTER_TAG, ">>>>>>>>> TEST %s FIRST <<<<<<<<<<<", lsb_first?"LSB":"MSB");
//do internal connection
//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.
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 < 8; i++) {
//prepare slave tx data
slave_txdata_t slave_txdata = (slave_txdata_t) {
.start = slave_send,
.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-=4;
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( 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,
//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) );
.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 );
}
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(VSPI_HOST) == ESP_OK);
TEST_ASSERT(spi_bus_remove_device(spi) == ESP_OK);
TEST_ASSERT(spi_bus_free(HSPI_HOST) == ESP_OK);
TEST_ASSERT(spi_slave_free(TEST_SLAVE_HOST) == ESP_OK);
ESP_LOGI(MASTER_TAG, "test passed.");
}