bl_mcu_sdk/examples/peripherals/spi/spi_poll/main.c
jzlv d6fab307bf [update] update lhal, soc and demos
* Add flash driver and init in boards.
* Add timeout for all poll wait apis
* Add 808 d0 startup to bringup
* Update lhal device tables
* Update demos
2022-11-18 16:30:00 +08:00

252 lines
8 KiB
C

#include "bflb_mtimer.h"
#include "bflb_spi.h"
#include "board.h"
#define SPI_MASTER_CASE 0
#define SPI_SLAVE_CASE 1
#define SPI_CASE_SELECT SPI_MASTER_CASE
#define BUFF_LEN (8 * 1024)
uint32_t tx_buff[BUFF_LEN / 4];
uint32_t rx_buff[BUFF_LEN / 4];
struct bflb_device_s *spi0;
/* poll test func */
int bflb_spi_poll_test(uint32_t data_width)
{
uint32_t data_mask;
uint32_t *p_tx = (uint32_t *)tx_buff;
uint32_t *p_rx = (uint32_t *)rx_buff;
switch (data_width) {
case SPI_DATA_WIDTH_8BIT:
data_mask = 0x000000FF;
break;
case SPI_DATA_WIDTH_16BIT:
data_mask = 0x0000FFFF;
break;
case SPI_DATA_WIDTH_24BIT:
data_mask = 0x00FFFFFF;
break;
case SPI_DATA_WIDTH_32BIT:
data_mask = 0xFFFFFFFF;
break;
default:
printf("data_width err\r\n");
return -1;
break;
}
/* data init */
for (uint16_t i = 0; i < BUFF_LEN / 4; i++) {
p_tx[i] = i;
p_rx[i] = 0;
}
/* set data width */
bflb_spi_feature_control(spi0, SPI_CMD_SET_DATA_WIDTH, data_width);
/* send data */
for (uint16_t i = 0; i < BUFF_LEN / 4; i++) {
p_rx[i] = bflb_spi_poll_send(spi0, p_tx[i]);
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_us(10); /* delay for slave device prepare ok */
#endif
}
/* check data */
for (uint16_t i = 0; i < BUFF_LEN / 4; i++) {
if (p_rx[i] != (p_tx[i] & data_mask)) {
printf("data error, data[%d]:tx 0x%08lX, rx 0x%08lX\r\n", i, p_tx[i], p_rx[i]);
return -1;
}
}
printf("data check success\r\n");
return 0;
}
/* poll_exchange test func */
int bflb_spi_poll_exchange_test(uint32_t data_width)
{
void *p_tx = (uint32_t *)tx_buff;
void *p_rx = (uint32_t *)rx_buff;
/* data init */
switch (data_width) {
case SPI_DATA_WIDTH_8BIT:
for (uint16_t i = 0; i < BUFF_LEN; i++) {
((uint8_t *)p_tx)[i] = i;
((uint8_t *)p_rx)[i] = 0;
}
break;
case SPI_DATA_WIDTH_16BIT:
for (uint16_t i = 0; i < BUFF_LEN / 2; i++) {
((uint16_t *)p_tx)[i] = i << 0;
((uint16_t *)p_rx)[i] = 0;
}
break;
case SPI_DATA_WIDTH_24BIT:
for (uint16_t i = 0; i < BUFF_LEN / 4; i++) {
((uint32_t *)p_tx)[i] = ((i << 0) | i) & 0x00FFFFFF;
((uint32_t *)p_rx)[i] = 0;
}
break;
case SPI_DATA_WIDTH_32BIT:
for (uint16_t i = 0; i < BUFF_LEN / 4; i++) {
((uint32_t *)p_tx)[i] = (i << 0) | i;
((uint32_t *)p_rx)[i] = 0;
}
break;
default:
return -1;
break;
}
/* set data width */
bflb_spi_feature_control(spi0, SPI_CMD_SET_DATA_WIDTH, data_width);
/* send data */
printf("spi poll exchange width %ld, len %d\r\n", data_width, BUFF_LEN);
bflb_spi_poll_exchange(spi0, p_tx, p_rx, BUFF_LEN);
/* check data */
for (uint16_t i = 0; i < BUFF_LEN / 4; i++) {
if (((uint32_t *)p_rx)[i] != ((uint32_t *)p_tx)[i]) {
printf("data error, data[%d]:tx 0x%08lX, rx 0x%08lX\r\n", i, ((uint32_t *)p_tx)[i], ((uint32_t *)p_rx)[i]);
return -1;
}
}
printf("data check success\r\n");
return 0;
}
/* main */
int main(void)
{
board_init();
board_spi0_gpio_init();
struct bflb_spi_config_s spi_cfg = {
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
.freq = 1 * 1000 * 1000,
.role = SPI_ROLE_MASTER,
#else
.freq = 32 * 1000 * 1000,
.role = SPI_ROLE_SLAVE,
#endif
.mode = SPI_MODE3,
.data_width = SPI_DATA_WIDTH_8BIT,
.bit_order = SPI_BIT_MSB,
.byte_order = SPI_BYTE_LSB,
.tx_fifo_threshold = 0,
.rx_fifo_threshold = 0,
};
spi0 = bflb_device_get_by_name("spi0");
bflb_spi_init(spi0, &spi_cfg);
bflb_spi_feature_control(spi0, SPI_CMD_SET_CS_INTERVAL, 0);
printf("\r\n************** spi poll send 8-bit test **************\r\n");
if (bflb_spi_poll_test(SPI_DATA_WIDTH_8BIT) < 0) {
printf("poll send 8-bit test error!!!\r\n");
} else {
printf("poll send 8-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll send 16-bit test **************\r\n");
if (bflb_spi_poll_test(SPI_DATA_WIDTH_16BIT) < 0) {
printf("poll send 16-bit test error!!!\r\n");
} else {
printf("poll send 16-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll send 24-bit test **************\r\n");
if (bflb_spi_poll_test(SPI_DATA_WIDTH_24BIT) < 0) {
printf("poll send 24-bit test error!!!\r\n");
} else {
printf("poll send 24-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll send 32-bit test **************\r\n");
if (bflb_spi_poll_test(SPI_DATA_WIDTH_32BIT) < 0) {
printf("poll send 32-bit test error!!!\r\n");
} else {
printf("poll send 32-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange 8-bit test **************\r\n");
if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_8BIT) < 0) {
printf("poll exchange 8-bit test error!!!\r\n");
} else {
printf("poll exchange 8-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange 16-bit test **************\r\n");
if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_16BIT) < 0) {
printf("poll exchange 16-bit test error!!!\r\n");
} else {
printf("poll exchange 16-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange 24-bit test **************\r\n");
if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_24BIT) < 0) {
printf("poll exchange 24-bit test error!!!\r\n");
} else {
printf("poll exchange 24-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange 32-bit test **************\r\n");
if (bflb_spi_poll_exchange_test(SPI_DATA_WIDTH_32BIT) < 0) {
printf("poll exchange 32-bit test error!!!\r\n");
} else {
printf("poll exchange 32-bit test success!\r\n");
}
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange only send 32-bit test **************\r\n");
bflb_spi_poll_exchange(spi0, tx_buff, NULL, BUFF_LEN);
printf("poll exchange 32-bit only send test end!\r\n");
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange only receive 32-bit test **************\r\n");
bflb_spi_poll_exchange(spi0, NULL, rx_buff, BUFF_LEN);
printf("poll exchange 32-bit only receive test end!\r\n");
#if (SPI_CASE_SELECT == SPI_MASTER_CASE)
bflb_mtimer_delay_ms(1000); /* delay for slave device prepare ok */
#endif
printf("\r\n************** spi poll exchange spare time clock 32-bit test **************\r\n");
bflb_spi_poll_exchange(spi0, NULL, NULL, BUFF_LEN);
printf("poll exchange 32-bit spare time clock test end!\r\n");
printf("\r\nspi test end\r\n");
while (1) {
}
}