Add Soft I2c and SPI,modify Pin Device

This commit is contained in:
Rbb666 authored and guo committed 2022-07-28 18:54:50 +08:00
1 parent 319a73c2e7
commit 7fb8246307
18 files changed
+882 -263

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+4 -1
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@@ -26,9 +26,12 @@ if GetDepend(['RT_USING_I2C']):
if GetDepend('BSP_USING_HW_I2C3') or GetDepend('BSP_USING_HW_I2C6'):
src += ['drv_i2c.c']
if GetDepend(['BSP_USING_PWM']):
if GetDepend(['RT_USING_PWM']):
src += ['drv_pwm.c']
if GetDepend(['RT_USING_SPI']):
src += ['drv_spi.c']
if GetDepend(['RT_USING_ADC']):
src += ['drv_adc.c']
File diff suppressed because it is too large. Load diff
+1 -1
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@@ -25,7 +25,7 @@
struct pin_irq_map
{
rt_uint16_t pin;
rt_uint16_t port;
IRQn_Type irqno;
};
+2 -2
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@@ -181,7 +181,7 @@ __exit:
static int rt_hw_pwm_init(void)
{
int i = 0;
int i;
int result = RT_EOK;
pwm_get_pin_number();
@@ -190,6 +190,7 @@ static int rt_hw_pwm_init(void)
for (i = 0; i < sizeof(ifx_pwm_obj) / sizeof(ifx_pwm_obj[0]); i++)
{
ifx_pwm_obj[i].pwm_obj = rt_malloc(sizeof(cyhal_pwm_t));
RT_ASSERT(ifx_pwm_obj[i].pwm_obj != RT_NULL);
/* pwm init */
if (ifx_hw_pwm_init(&ifx_pwm_obj[i]) != RT_EOK)
@@ -213,7 +214,6 @@ static int rt_hw_pwm_init(void)
}
__exit:
rt_free(ifx_pwm_obj[i].pwm_obj);
return result;
}
INIT_BOARD_EXPORT(rt_hw_pwm_init);
@@ -0,0 +1,177 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-20 Rbb666 first version
*/
#include <board.h>
#include "drv_soft_i2c.h"
#ifdef RT_USING_I2C
//#define DRV_DEBUG
#define LOG_TAG "drv.i2c"
#include <drv_log.h>
#if !defined(BSP_USING_I2C1)
#error "Please define at least one BSP_USING_I2Cx"
/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
#endif
static const struct ifx_soft_i2c_config soft_i2c_config[] =
{
#ifdef BSP_USING_I2C1
I2C1_BUS_CONFIG,
#endif
};
static struct ifx_i2c i2c_obj[sizeof(soft_i2c_config) / sizeof(soft_i2c_config[0])];
/**
* This function initializes the i2c pin.
*
* @param ifx i2c dirver class.
*/
static void ifx_i2c_gpio_init(struct ifx_i2c *i2c)
{
struct ifx_soft_i2c_config *cfg = (struct ifx_soft_i2c_config *)i2c->ops.data;
rt_pin_mode(cfg->scl, PIN_MODE_OUTPUT_OD);
rt_pin_mode(cfg->sda, PIN_MODE_OUTPUT_OD);
rt_pin_write(cfg->scl, PIN_HIGH);
rt_pin_write(cfg->sda, PIN_HIGH);
}
/**
* This function sets the sda pin.
*
* @param ifx config class.
* @param The sda pin state.
*/
static void ifx_set_sda(void *data, rt_int32_t state)
{
struct ifx_soft_i2c_config *cfg = (struct ifx_soft_i2c_config *)data;
if (state)
{
rt_pin_write(cfg->sda, PIN_HIGH);
}
else
{
rt_pin_write(cfg->sda, PIN_LOW);
}
}
/**
* This function sets the scl pin.
*
* @param ifx config class.
* @param The scl pin state.
*/
static void ifx_set_scl(void *data, rt_int32_t state)
{
struct ifx_soft_i2c_config *cfg = (struct ifx_soft_i2c_config *)data;
if (state)
{
rt_pin_write(cfg->scl, PIN_HIGH);
}
else
{
rt_pin_write(cfg->scl, PIN_LOW);
}
}
/**
* This function gets the sda pin state.
*
* @param The sda pin state.
*/
static rt_int32_t ifx_get_sda(void *data)
{
struct ifx_soft_i2c_config *cfg = (struct ifx_soft_i2c_config *)data;
return rt_pin_read(cfg->sda);
}
/**
* This function gets the scl pin state.
*
* @param The scl pin state.
*/
static rt_int32_t ifx_get_scl(void *data)
{
struct ifx_soft_i2c_config *cfg = (struct ifx_soft_i2c_config *)data;
return rt_pin_read(cfg->scl);
}
static const struct rt_i2c_bit_ops ifx_bit_ops_default =
{
.data = RT_NULL,
.set_sda = ifx_set_sda,
.set_scl = ifx_set_scl,
.get_sda = ifx_get_sda,
.get_scl = ifx_get_scl,
.udelay = rt_hw_us_delay,
.delay_us = 1,
.timeout = 100
};
/**
* if i2c is locked, this function will unlock it
*
* @param ifx config class
*
* @return RT_EOK indicates successful unlock.
*/
static rt_err_t ifx_i2c_bus_unlock(const struct ifx_soft_i2c_config *cfg)
{
rt_int32_t i = 0;
if (PIN_LOW == rt_pin_read(cfg->sda))
{
while (i++ < 9)
{
rt_pin_write(cfg->scl, PIN_HIGH);
rt_hw_us_delay(100);
rt_pin_write(cfg->scl, PIN_LOW);
rt_hw_us_delay(100);
}
}
if (PIN_LOW == rt_pin_read(cfg->sda))
{
return -RT_ERROR;
}
return RT_EOK;
}
/* I2C initialization function */
int rt_hw_i2c_init(void)
{
rt_size_t obj_num = sizeof(i2c_obj) / sizeof(struct ifx_i2c);
rt_err_t result;
for (int i = 0; i < obj_num; i++)
{
i2c_obj[i].ops = ifx_bit_ops_default;
i2c_obj[i].ops.data = (void *)&soft_i2c_config[i];
i2c_obj[i].i2c2_bus.priv = &i2c_obj[i].ops;
ifx_i2c_gpio_init(&i2c_obj[i]);
result = rt_i2c_bit_add_bus(&i2c_obj[i].i2c2_bus, soft_i2c_config[i].bus_name);
RT_ASSERT(result == RT_EOK);
ifx_i2c_bus_unlock(&soft_i2c_config[i]);
LOG_D("software simulation %s init done, pin scl: %d, pin sda %d",
soft_i2c_config[i].bus_name,
soft_i2c_config[i].scl,
soft_i2c_config[i].sda);
}
return RT_EOK;
}
INIT_BOARD_EXPORT(rt_hw_i2c_init);
#endif /* RT_USING_I2C */
@@ -0,0 +1,43 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-20 Rbb666 first version
*/
#ifndef __DRV_I2C__
#define __DRV_I2C__
#include <rtthread.h>
#include <rthw.h>
#include <rtdevice.h>
/* ifx config class */
struct ifx_soft_i2c_config
{
rt_uint8_t scl;
rt_uint8_t sda;
const char *bus_name;
};
/* ifx i2c dirver class */
struct ifx_i2c
{
struct rt_i2c_bit_ops ops;
struct rt_i2c_bus_device i2c2_bus;
};
#ifdef BSP_USING_I2C1
#define I2C1_BUS_CONFIG \
{ \
.scl = BSP_I2C1_SCL_PIN, \
.sda = BSP_I2C1_SDA_PIN, \
.bus_name = "i2c1", \
}
#endif
int rt_hw_i2c_init(void);
#endif
File diff suppressed because it is too large. Load diff
@@ -0,0 +1,36 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-18 Rbb666 first version
*/
#ifndef __DRV_SPI__
#define __DRV_SPI__
#include <rtthread.h>
#include <drivers/spi.h>
#include "drv_gpio.h"
#define SPI_FREQ_HZ (10000000UL)
/* gd32 spi dirver class */
struct ifx_spi
{
char *bus_name;
struct rt_spi_bus *spi_bus;
cyhal_spi_t *spi_obj;
uint16_t sck_pin;
uint16_t miso_pin;
uint16_t mosi_pin;
uint32_t freq;
};
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, uint16_t cs_gpio_pin);
#endif
@@ -83,6 +83,11 @@ if GetDepend(['RT_USING_PWM']):
src += ['mtb-pdl-cat1/drivers/source/cy_tcpwm_pwm.c']
src += ['mtb-pdl-cat1/drivers/source/cy_tcpwm_counter.c']
if GetDepend(['RT_USING_SPI']):
src += ['mtb-hal-cat1/source/cyhal_spi.c']
src += ['mtb-pdl-cat1/drivers/source/cy_scb_spi.c']
if GetDepend(['RT_USING_I2C']):
src += ['mtb-hal-cat1/source/cyhal_i2c.c']
@@ -26,16 +26,26 @@
* See the License for the specific language governing permissions and
* limitations under the License.
********************************************************************************/
#include <rtthread.h>
#include "cycfg_clocks.h"
#if defined (CY_USING_HAL)
const cyhal_resource_inst_t CYBSP_CSD_CLK_DIV_obj =
{
.type = CYHAL_RSC_CLOCK,
.block_num = CYBSP_CSD_CLK_DIV_HW,
.channel_num = CYBSP_CSD_CLK_DIV_NUM,
};
const cyhal_resource_inst_t CLK_PWM_obj =
{
.type = CYHAL_RSC_CLOCK,
.block_num = CLK_PWM_HW,
.channel_num = CLK_PWM_NUM,
};
#endif //defined (CY_USING_HAL)
#if defined (CY_USING_HAL)
const cyhal_resource_inst_t CYBSP_CSD_CLK_DIV_obj =
{
.type = CYHAL_RSC_CLOCK,
.block_num = CYBSP_CSD_CLK_DIV_HW,
.channel_num = CYBSP_CSD_CLK_DIV_NUM,
};
#endif //defined (CY_USING_HAL)
@@ -40,6 +40,10 @@
extern "C" {
#endif
#define CLK_PWM_ENABLED 1U
#define CLK_PWM_HW CY_SYSCLK_DIV_16_BIT
#define CLK_PWM_NUM 0U
#define CYBSP_CSD_CLK_DIV_ENABLED 1U
#define CYBSP_CS_CLK_DIV_ENABLED CYBSP_CSD_CLK_DIV_ENABLED
#define CYBSP_CSD_CLK_DIV_HW CY_SYSCLK_DIV_8_BIT
@@ -51,7 +51,7 @@ void init_cycfg_peripherals(void)
/* UART2 Device Clock*/
Cy_SysClk_PeriphAssignDivider(PCLK_SCB2_CLOCK, CY_SYSCLK_DIV_8_BIT, 0U);
#endif
#ifdef BSP_USING_UART3
#if defined(BSP_USING_UART3) || defined(BSP_USING_HW_I2C3)
/* UART3 Device Clock*/
Cy_SysClk_PeriphAssignDivider(PCLK_SCB3_CLOCK, CY_SYSCLK_DIV_8_BIT, 0U);
#endif
@@ -29,6 +29,74 @@
#include "cycfg_pins.h"
#define CYBSP_SDHC_IO1_PORT GPIO_PRT13
#define CYBSP_SDHC_IO1_PORT_NUM 13U
#define CYBSP_SDHC_IO1_PIN 1U
#ifndef ioss_0_port_13_pin_1_HSIOM
#define ioss_0_port_13_pin_1_HSIOM HSIOM_SEL_GPIO
#endif
#define CYBSP_SDHC_IO1_HSIOM ioss_0_port_13_pin_1_HSIOM
#define CYBSP_SDHC_IO2_PORT GPIO_PRT13
#define CYBSP_SDHC_IO2_PORT_NUM 13U
#define CYBSP_SDHC_IO2_PIN 2U
#ifndef ioss_0_port_13_pin_2_HSIOM
#define ioss_0_port_13_pin_2_HSIOM HSIOM_SEL_GPIO
#endif
#define CYBSP_SDHC_IO2_HSIOM ioss_0_port_13_pin_2_HSIOM
const cy_stc_gpio_pin_config_t CYBSP_SDHC_IO1_config =
{
.outVal = 1,
.driveMode = CY_GPIO_DM_OD_DRIVESLOW,
.hsiom = CYBSP_SDHC_IO1_HSIOM,
.intEdge = CY_GPIO_INTR_DISABLE,
.intMask = 0UL,
.vtrip = CY_GPIO_VTRIP_CMOS,
.slewRate = CY_GPIO_SLEW_FAST,
.driveSel = CY_GPIO_DRIVE_1_2,
.vregEn = 0UL,
.ibufMode = 0UL,
.vtripSel = 0UL,
.vrefSel = 0UL,
.vohSel = 0UL,
};
#if defined (CY_USING_HAL)
const cyhal_resource_inst_t CYBSP_SDHC_IO1_obj =
{
.type = CYHAL_RSC_GPIO,
.block_num = CYBSP_SDHC_IO1_PORT_NUM,
.channel_num = CYBSP_SDHC_IO1_PIN,
};
#endif //defined (CY_USING_HAL)
const cy_stc_gpio_pin_config_t CYBSP_SDHC_IO2_config =
{
.outVal = 1,
.driveMode = CY_GPIO_DM_OD_DRIVESLOW,
.hsiom = CYBSP_SDHC_IO2_HSIOM,
.intEdge = CY_GPIO_INTR_DISABLE,
.intMask = 0UL,
.vtrip = CY_GPIO_VTRIP_CMOS,
.slewRate = CY_GPIO_SLEW_FAST,
.driveSel = CY_GPIO_DRIVE_1_2,
.vregEn = 0UL,
.ibufMode = 0UL,
.vtripSel = 0UL,
.vrefSel = 0UL,
.vohSel = 0UL,
};
#if defined (CY_USING_HAL)
const cyhal_resource_inst_t CYBSP_SDHC_IO2_obj =
{
.type = CYHAL_RSC_GPIO,
.block_num = CYBSP_SDHC_IO2_PORT_NUM,
.channel_num = CYBSP_SDHC_IO2_PIN,
};
#endif //defined (CY_USING_HAL)
const cy_stc_gpio_pin_config_t CYBSP_WCO_IN_config =
{
.outVal = 1,
@@ -414,6 +482,31 @@ const cy_stc_gpio_pin_config_t CYBSP_CSD_SLD4_config =
};
#endif //defined (CY_USING_HAL)
const cy_stc_gpio_pin_config_t SMART_IO_OUTPUT_PIN_config =
{
.outVal = 1,
.driveMode = CY_GPIO_DM_STRONG_IN_OFF,
.hsiom = P9_1_TCPWM1_LINE_COMPL20,
.intEdge = CY_GPIO_INTR_DISABLE,
.intMask = 0UL,
.vtrip = CY_GPIO_VTRIP_CMOS,
.slewRate = CY_GPIO_SLEW_FAST,
.driveSel = CY_GPIO_DRIVE_1_2,
.vregEn = 0UL,
.ibufMode = 0UL,
.vtripSel = 0UL,
.vrefSel = 0UL,
.vohSel = 0UL,
};
#if defined (CY_USING_HAL)
const cyhal_resource_inst_t SMART_IO_OUTPUT_PIN_obj =
{
.type = CYHAL_RSC_GPIO,
.block_num = 9U,
.channel_num = 1U,
};
#endif //defined (CY_USING_HAL)
void init_cycfg_pins(void)
{
@@ -14,7 +14,6 @@ menu "Onboard Peripheral Drivers"
select BSP_USING_UART
select BSP_USING_UART5
default y
endmenu
menu "On-chip Peripheral Drivers"
@@ -94,6 +93,21 @@ menu "On-chip Peripheral Drivers"
endif
endif
menuconfig BSP_USING_SPI
bool "Enable SPI BUS"
select RT_USING_SPI
default n
if BSP_USING_SPI
menuconfig BSP_USING_SPI3
bool "Enable SPI3 BUS"
default n
if BSP_USING_SPI3
config BSP_USING_SPI3_SAMPLE
bool "Enable SPI3 BUS Sample"
default n
endif
endif
menuconfig BSP_USING_ADC
bool "Enable ADC"
default n
@@ -172,7 +186,43 @@ menu "On-chip Peripheral Drivers"
endmenu
menu "Board extended module Drivers"
menuconfig BSP_USING_RW007
bool "Enable RW007"
default n
select PKG_USING_RW007
select BSP_USING_SPI
select RW007_NOT_USE_EXAMPLE_DRIVERS
if BSP_USING_RW007
config IFX_RW007_SPI_BUS_NAME
string "RW007 BUS NAME"
default "spi3"
config IFX_RW007_CS_PIN
int "(INT)CS pin index"
range 1 113
default 96
config IFX_RW007_BOOT0_PIN
int "(INT)BOOT0 pin index (same as spi clk pin)"
range 1 113
default 50
config IFX_RW007_BOOT1_PIN
int "(INT)BOOT1 pin index (same as spi cs pin)"
range 1 113
default 96
config IFX_RW007_INT_BUSY_PIN
int "(INT)INT/BUSY pin index"
range 1 113
default 47
config IFX_RW007_RST_PIN
int "(INT)RESET pin index"
range 1 113
default 53
endif
endmenu
endmenu
@@ -13,7 +13,14 @@ src = Split('''
board.c
''')
if GetDepend(['BSP_USING_SPI3_SAMPLE']):
src += Glob('ports/spi_sample.c')
if GetDepend(['BSP_USING_RW007']):
src += Glob('ports/drv_rw007.c')
path = [cwd]
path += [cwd + '/port']
startup_path_prefix = SDK_LIB
@@ -27,4 +34,4 @@ elif rtconfig.PLATFORM in ['armcc', 'armclang']:
CPPDEFINES = ['IFX_PSOC6_43012', 'CY_USING_HAL', 'COMPONENT_CAT1A', 'COMPONENT_CAT1', 'COMPONENT_BSP_DESIGN_MODUS']
group = DefineGroup('Drivers', src, depend=[''], CPPPATH=path, CPPDEFINES=CPPDEFINES)
Return('group')
Return('group')
@@ -228,13 +228,54 @@ SECTIONS
KEEP(*(VSymTab))
__vsymtab_end = .;
} > flash
rti_fn :
/* section information for utest */
UtestTcTab :
{
. = ALIGN(4);
__rt_utest_tc_tab_start = .;
KEEP(*(UtestTcTab))
__rt_utest_tc_tab_end = .;
}
/* section information for at server */
RtAtCmdTab :
{
. = ALIGN(4);
__rtatcmdtab_start = .;
KEEP(*(UtestTcTab))
__rtatcmdtab_end = .;
}
/* section information for modules */
RTMSymTab :
{
. = ALIGN(4);
__rtmsymtab_start = .;
KEEP(*(UtestTcTab))
__rtmsymtab_end = .;
}
/* section information for initial. */
rti_fn :
{
. = ALIGN(4);
__rt_init_start = .;
KEEP(*(SORT(.rti_fn*)))
__rt_init_end = .;
} > flash
rti_fn :
{
. = ALIGN(4);
PROVIDE(__ctors_start__ = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
__rt_init_end = .;
PROVIDE(__ctors_end__ = .);
} > flash
init_array :
{
. = ALIGN(4);
__ctors_start__ = .;
KEEP(*(SORT(.init_array*)))
__ctors_end__ = .;
} > flash
/* setction information for finsh shell end */
/* To clear multiple BSS sections,
@@ -251,7 +292,6 @@ SECTIONS
__etext = . ;
.ramVectors (NOLOAD) : ALIGN(8)
{
__ram_vectors_start__ = .;
@@ -0,0 +1,67 @@
#include <rtthread.h>
#include <rtdbg.h>
#ifdef BSP_USING_RW007
#include <rtdevice.h>
#include <drv_spi.h>
#include <board.h>
#include <spi_wifi_rw007.h>
extern void spi_wifi_isr(int vector);
static void rw007_gpio_init(void)
{
/* Configure IO */
rt_pin_mode(IFX_RW007_RST_PIN, PIN_MODE_OUTPUT);
rt_pin_mode(IFX_RW007_INT_BUSY_PIN, PIN_MODE_INPUT_PULLDOWN);
/* Reset rw007 and config mode */
rt_pin_write(IFX_RW007_RST_PIN, PIN_LOW);
rt_thread_delay(rt_tick_from_millisecond(100));
rt_pin_write(IFX_RW007_RST_PIN, PIN_HIGH);
/* Wait rw007 ready(exit busy stat) */
while (!rt_pin_read(IFX_RW007_INT_BUSY_PIN))
{
rt_thread_delay(5);
}
rt_thread_delay(rt_tick_from_millisecond(200));
rt_pin_mode(IFX_RW007_INT_BUSY_PIN, PIN_MODE_INPUT_PULLUP);
}
static struct rt_spi_device rw007_dev;
int wifi_spi_device_init(void)
{
char sn_version[32];
uint32_t cs_pin = IFX_RW007_CS_PIN;
rw007_gpio_init();
rt_hw_spi_device_attach(IFX_RW007_SPI_BUS_NAME, "wspi", cs_pin);
rt_hw_wifi_init("wspi");
rt_wlan_set_mode(RT_WLAN_DEVICE_STA_NAME, RT_WLAN_STATION);
rt_wlan_set_mode(RT_WLAN_DEVICE_AP_NAME, RT_WLAN_AP);
rw007_sn_get(sn_version);
rt_kprintf("\nrw007 sn: [%s]\n", sn_version);
rw007_version_get(sn_version);
rt_kprintf("rw007 ver: [%s]\n\n", sn_version);
return 0;
}
INIT_APP_EXPORT(wifi_spi_device_init);
static void int_wifi_irq(void *p)
{
((void)p);
spi_wifi_isr(0);
}
void spi_wifi_hw_init(void)
{
rt_pin_attach_irq(IFX_RW007_INT_BUSY_PIN, PIN_IRQ_MODE_FALLING, int_wifi_irq, 0);
rt_pin_irq_enable(IFX_RW007_INT_BUSY_PIN, RT_TRUE);
}
#endif /* BSP_USING_RW007 */
@@ -0,0 +1,84 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-19 Rbbb666 first version
*/
#include "board.h"
#if defined(BSP_USING_SPI3_SAMPLE)
#include <drv_spi.h>
#define SPI_NAME "spi30"
static struct rt_spi_device *spi_dev = RT_NULL;
/* attach spi5 device */
static int rt_spi_device_init(void)
{
struct rt_spi_configuration cfg;
rt_hw_spi_device_attach("spi3", "spi30", NULL);
cfg.data_width = 8;
cfg.mode = RT_SPI_MASTER | RT_SPI_MODE_0 | RT_SPI_MSB | RT_SPI_NO_CS;
cfg.max_hz = 1 *1000 *1000;
spi_dev = (struct rt_spi_device *)rt_device_find(SPI_NAME);
if (RT_NULL == spi_dev)
{
rt_kprintf("spi sample run failed! can't find %s device!\n", SPI_NAME);
return RT_ERROR;
}
rt_spi_configure(spi_dev, &cfg);
return RT_EOK;
}
INIT_APP_EXPORT(rt_spi_device_init);
/* spi5 loopback mode test case */
static int spi_sample(int argc, char **argv)
{
rt_uint8_t t_buf[8], r_buf[8];
int i = 0;
static struct rt_spi_message msg1;
if (argc != 9)
{
rt_kprintf("Please Usage:\n");
rt_kprintf("spi_sample 1 2 3 4 5 6 7 8\n");
return -RT_ERROR;
}
for (i = 0; i < 8; i++)
{
t_buf[i] = atoi(argv[i+1]);
}
msg1.send_buf = &t_buf;
msg1.recv_buf = &r_buf;
msg1.length = sizeof(t_buf);
msg1.cs_take = 1;
msg1.cs_release = 0;
msg1.next = RT_NULL;
rt_spi_transfer_message(spi_dev, &msg1);
rt_kprintf("spi rbuf : ");
for (i = 0; i < sizeof(t_buf); i++)
{
rt_kprintf("%x ", r_buf[i]);
}
rt_kprintf("\nspi loopback mode test over!\n");
return RT_EOK;
}
MSH_CMD_EXPORT(spi_sample, spi loopback test);
#endif /* BSP_USING_SPI3 */