OVMS3-idf/components/driver/test/include/test/test_common_spi.h
2019-09-04 10:53:25 +10:00

216 lines
No EOL
6.9 KiB
C

#ifndef _TEST_COMMON_SPI_H_
#define _TEST_COMMON_SPI_H_
#include <esp_types.h>
#include "driver/spi_master.h"
#include "freertos/FreeRTOS.h"
#include "freertos/ringbuf.h"
#include "freertos/task.h"
#include "unity.h"
#include "test_utils.h"
#include <string.h>
#include "param_test.h"
// All the tests using the header should use this definition as much as possible,
// so that the working host can be changed easily in the future.
#if CONFIG_IDF_TARGET_ESP32
#define TEST_SPI_HOST HSPI_HOST
#define TEST_SLAVE_HOST VSPI_HOST
#define PIN_NUM_MISO HSPI_IOMUX_PIN_NUM_MISO
#define PIN_NUM_MOSI HSPI_IOMUX_PIN_NUM_MOSI
#define PIN_NUM_CLK HSPI_IOMUX_PIN_NUM_CLK
#define PIN_NUM_CS HSPI_IOMUX_PIN_NUM_CS
#define PIN_NUM_WP HSPI_IOMUX_PIN_NUM_WP
#define PIN_NUM_HD HSPI_IOMUX_PIN_NUM_HD
#define SLAVE_PIN_NUM_MISO VSPI_IOMUX_PIN_NUM_MISO
#define SLAVE_PIN_NUM_MOSI VSPI_IOMUX_PIN_NUM_MOSI
#define SLAVE_PIN_NUM_CLK VSPI_IOMUX_PIN_NUM_CLK
#define SLAVE_PIN_NUM_CS VSPI_IOMUX_PIN_NUM_CS
#define SLAVE_PIN_NUM_WP VSPI_IOMUX_PIN_NUM_WP
#define SLAVE_PIN_NUM_HD VSPI_IOMUX_PIN_NUM_HD
#elif CONFIG_IDF_TARGET_ESP32S2BETA
#define TEST_SPI_HOST FSPI_HOST
#define TEST_SLAVE_HOST HSPI_HOST
#define PIN_NUM_MISO FSPI_IOMUX_PIN_NUM_MISO
#define PIN_NUM_MOSI FSPI_IOMUX_PIN_NUM_MOSI
#define PIN_NUM_CLK FSPI_IOMUX_PIN_NUM_CLK
#define PIN_NUM_CS FSPI_IOMUX_PIN_NUM_CS
#define PIN_NUM_WP FSPI_IOMUX_PIN_NUM_WP
#define PIN_NUM_HD FSPI_IOMUX_PIN_NUM_HD
#define SLAVE_PIN_NUM_MISO HSPI_IOMUX_PIN_NUM_MISO
#define SLAVE_PIN_NUM_MOSI HSPI_IOMUX_PIN_NUM_MOSI
#define SLAVE_PIN_NUM_CLK HSPI_IOMUX_PIN_NUM_CLK
#define SLAVE_PIN_NUM_CS HSPI_IOMUX_PIN_NUM_CS
#define SLAVE_PIN_NUM_WP HSPI_IOMUX_PIN_NUM_WP
#define SLAVE_PIN_NUM_HD HSPI_IOMUX_PIN_NUM_HD
#endif
#define FUNC_SPI 1
#define FUNC_GPIO 2
//Delay information
#define ESP_SPI_SLAVE_TV (12.5*3.5)
#define GPIO_DELAY (12.5*2)
#define WIRE_DELAY 12.5
#define TV_INT_CONNECT_GPIO (ESP_SPI_SLAVE_TV+GPIO_DELAY)
#define TV_INT_CONNECT (ESP_SPI_SLAVE_TV)
//when connecting to another board, the delay is usually increased by 12.5ns
#define TV_WITH_ESP_SLAVE_GPIO (TV_INT_CONNECT_GPIO+WIRE_DELAY)
#define TV_WITH_ESP_SLAVE (TV_INT_CONNECT+WIRE_DELAY)
//currently ESP32 slave only supports up to 20MHz, but 40MHz on the same board
#define ESP_SPI_SLAVE_MAX_FREQ SPI_MASTER_FREQ_20M
#define ESP_SPI_SLAVE_MAX_FREQ_SYNC SPI_MASTER_FREQ_40M
#define MAX_TEST_SIZE 16 ///< in this test we run several transactions, this is the maximum trans that can be run
#define PSET_NAME_LEN 30 ///< length of each param set name
//test low frequency, high frequency until freq limit for worst case (both GPIO)
#define TEST_FREQ_DEFAULT(){\
1*1000*1000, \
SPI_MASTER_FREQ_8M , \
SPI_MASTER_FREQ_9M , \
SPI_MASTER_FREQ_10M, \
SPI_MASTER_FREQ_11M, \
SPI_MASTER_FREQ_13M, \
SPI_MASTER_FREQ_16M, \
SPI_MASTER_FREQ_20M, \
SPI_MASTER_FREQ_26M, \
SPI_MASTER_FREQ_40M, \
SPI_MASTER_FREQ_80M, \
0,\
}
//default bus config for tests
#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\
}
//default device config for master devices
#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,\
.input_delay_ns = 62.5,\
}
//default device config for slave devices
#define SPI_SLAVE_TEST_DEFAULT_CONFIG() {\
.mode=0,\
.spics_io_num=PIN_NUM_CS,\
.queue_size=3,\
.flags=0,\
}
typedef enum {
FULL_DUPLEX = 0,
HALF_DUPLEX_MISO = 1,
HALF_DUPLEX_MOSI = 2,
} spi_dup_t;
/*-------- slave task related stuff -----------*/
typedef struct {
uint32_t len;
uint8_t* tx_start;
uint8_t data[1];
} slave_rxdata_t;
typedef struct {
uint32_t len;
const uint8_t *start;
} slave_txdata_t;
typedef struct {
spi_host_device_t spi;
RingbufHandle_t data_received;
QueueHandle_t data_to_send;
} spi_slave_task_context_t;
// test data for master and slave
extern uint8_t spitest_master_send[];
extern uint8_t spitest_slave_send[];
//tags for master and slave app
extern const char MASTER_TAG[];
extern const char SLAVE_TAG[];
//parameter set definition
typedef struct {
const char pset_name[PSET_NAME_LEN];
/*The test work till the frequency below,
*set the frequency to higher and remove checks in the driver to know how fast the system can run.
*/
const int *freq_list; // list of tested frequency, terminated by 0
int freq_limit; //freq larger (not equal) than this will be ignored
spi_dup_t dup;
int mode;
bool length_aligned;
int test_size;
int master_limit; // the master disable dummy bits and discard readings over this freq
bool master_iomux;
int master_dma_chan;
bool slave_iomux;
int slave_dma_chan;
int slave_tv_ns;
bool slave_unaligned_addr;
} spitest_param_set_t;
//context definition for the parameterized test
typedef struct {
uint8_t master_rxbuf[480];
spi_transaction_t master_trans[MAX_TEST_SIZE];
TaskHandle_t handle_slave;
spi_slave_task_context_t slave_context;
slave_txdata_t slave_trans[MAX_TEST_SIZE];
} spitest_context_t;
// fill default value of spitest_param_set_t
void spitest_def_param(void* arg);
// functions for slave task
esp_err_t init_slave_context(spi_slave_task_context_t *context);
void deinit_slave_context(spi_slave_task_context_t *context);
void spitest_slave_task(void* arg);
//called by slave, pull-up all pins used by slave
void slave_pull_up(const spi_bus_config_t* cfg, int spics_io_num);
// to access data of pre-defined transactions.
void spitest_init_transactions(const spitest_param_set_t *cfg, spitest_context_t* context);
// print data from a transaction
void spitest_master_print_data(spi_transaction_t *t, int rxlength);
void spitest_slave_print_data(slave_rxdata_t *t, bool print_rxdata);
// Check whether master and slave data match
esp_err_t spitest_check_data(int len, spi_transaction_t *master_t, slave_rxdata_t *slave_t, bool check_master_data, bool check_slave_len, bool check_slave_data);
static inline int get_trans_len(spi_dup_t dup, spi_transaction_t *master_t)
{
if (dup!=HALF_DUPLEX_MISO) {
return master_t->length;
} else {
return master_t->rxlength;
}
}
//remove device from bus and free the bus
void master_free_device_bus(spi_device_handle_t spi);
//use this function to fix the output source when assign multiple funcitons to a same pin
void spitest_gpio_output_sel(uint32_t gpio_num, int func, uint32_t signal_idx);
#endif //_TEST_COMMON_SPI_H_