m2m_hif.c File Reference

This module contains M2M host interface APIs implementation.

Copyright (c) 2017-2021 Microchip Technology Inc. and its subsidiaries.

#include "common/include/nm_common.h"
#include "driver/source/nmbus.h"
#include "driver/source/nmdrv.h"
#include "bsp/include/nm_bsp.h"
#include "m2m_hif.h"
#include "driver/include/m2m_types.h"
#include "driver/source/nmasic.h"
#include "driver/include/m2m_periph.h"
#include "socket/include/m2m_socket_host_if.h"

Data Structures
struct	tstrHifContext

Macros
#define	HIF_BLACKLIST_SZ   (sizeof(gau16HifBlacklist)/sizeof(gau16HifBlacklist[0]))
#define	HIF_OTA_RB_ONLY   0xFFFF
#define	HIFCODE_IP_RAW_SOCK_OPT   ((M2M_REQ_GROUP_IP << 8) | SOCKET_CMD_RAW_SET_SOCK_OPT)
#define	HIFCODE_IP_SECURE   ((M2M_REQ_GROUP_IP << 8) | SOCKET_CMD_SECURE)
#define	HIFCODE_OTA_RB   ((M2M_REQ_GROUP_OTA << 8) | M2M_OTA_REQ_ROLLBACK)
#define	HIFCODE_OTA_SW   ((M2M_REQ_GROUP_OTA << 8) | M2M_OTA_REQ_SWITCH_FIRMWARE)
#define	HIFCODE_SSL_WRITECERT   ((M2M_REQ_GROUP_SSL << 8) | M2M_SSL_REQ_WRITE_OWN_CERTS)
#define	HIFCODE_WIFI_CONN   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_CONN)
#define	HIFCODE_WIFI_CONN_PARAM   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_IND_CONN_PARAM)
#define	HIFCODE_WIFI_DELETE_CRED   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQRSP_DELETE_APID)
#define	HIFCODE_WIFI_ENABLE_AP   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_ENABLE_AP)
#define	HIFCODE_WIFI_PASSIVESCAN   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_PASSIVE_SCAN)
#define	HIFCODE_WIFI_ROAMING   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_ROAMING)
#define	HIFCODE_WIFI_SCAN_SSID_LIST   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_SCAN_SSID_LIST)
#define	HIFCODE_WIFI_SET_STOP_SCAN_OPTION   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_SET_STOP_SCAN_OPTION)
#define	HIFCODE_WIFI_START_PROV_MODE   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_START_PROVISION_MODE)
#define	INTERRUPT_CORTUS_0_3000D0   (0x10a8)
#define	INTERRUPT_CORTUS_1_3000D0   (0x10ac)
#define	INTERRUPT_CORTUS_2_3000D0   (0x10b0)
#define	INTERRUPT_CORTUS_3_3000D0   (0x10b4)
#define	NEW_HIF_LIST
#define	NMI_AHB_DATA_MEM_BASE   0x30000
#define	NMI_AHB_SHARE_MEM_BASE   0xd0000
#define	WIFI_HOST_RCV_CTRL_0   (0x1070)
#define	WIFI_HOST_RCV_CTRL_1   (0x1084)
#define	WIFI_HOST_RCV_CTRL_2   (0x1078)
#define	WIFI_HOST_RCV_CTRL_3   (0x106c)
#define	WIFI_HOST_RCV_CTRL_4   (0x150400)

Functions
sint8	hif_check_code (uint8 u8Gid, uint8 u8OpCode)
	To check that a particular hif message is supported with the current driver/firmware pair. More...
sint8	hif_check_compatibility (uint16 u16HifInfo)
	To check the compatibility of an image with the current driver. More...
sint8	hif_chip_sleep (void)
	To make the chip sleep. More...
static sint8	hif_chip_sleep_sc (void)
	To clear the chip sleep but keep the chip sleep. More...
sint8	hif_chip_wake (void)
	To Wakeup the chip. More...
sint8	hif_deinit (void *arg)
	To Deinitialize HIF layer. More...
sint8	hif_enable_access (void)
	To enable access to HIF layer, based on HIF level of Firmware. More...
uint8	hif_get_sleep_mode (void)
	Get the sleep mode of the HIF layer. More...
sint8	hif_handle_isr (void)
	Handle interrupt received from NMC1500 firmware. More...
sint8	hif_init (void *arg)
	To initialize HIF layer. More...
static sint8	hif_isr (void)
	Host interface interrupt service routine. More...
sint8	hif_receive (uint32 u32Addr, uint8 *pu8Buf, uint16 u16Sz, uint8 isDone)
sint8	hif_register_cb (uint8 u8Grp, tpfHifCallBack fn)
sint8	hif_send (uint8 u8Gid, uint8 u8Opcode, uint8 *pu8CtrlBuf, uint16 u16CtrlBufSize, uint8 *pu8DataBuf, uint16 u16DataSize, uint16 u16DataOffset)
	Send packet using host interface. More...
static sint8	hif_set_rx_done (void)
void	hif_set_sleep_mode (uint8 u8Pstype)
	Set the sleep mode of the HIF layer. More...
void	hif_yield (void)
	Yields control from interrupt event handler. More...
static void	isr (void)
static void	m2m_hif_cb (uint8 u8OpCode, uint16 u16DataSize, uint32 u32Addr)
	WiFi call back function. More...

Variables
static uint16	gau16HifBlacklist [] = {NEW_HIF_LIST}
volatile tstrHifContext	gstrHifCxt
static uint8	gu8HifBlOffset = 0

#define HIF_BLACKLIST_SZ   (sizeof(gau16HifBlacklist)/sizeof(gau16HifBlacklist[0]))

Referenced by hif_check_code(), and hif_enable_access().

#define HIF_OTA_RB_ONLY   0xFFFF

#define HIFCODE_IP_RAW_SOCK_OPT   ((M2M_REQ_GROUP_IP << 8) | SOCKET_CMD_RAW_SET_SOCK_OPT)

#define HIFCODE_IP_SECURE   ((M2M_REQ_GROUP_IP << 8) | SOCKET_CMD_SECURE)

#define HIFCODE_OTA_RB   ((M2M_REQ_GROUP_OTA << 8) | M2M_OTA_REQ_ROLLBACK)

Referenced by hif_check_code().

#define HIFCODE_OTA_SW   ((M2M_REQ_GROUP_OTA << 8) | M2M_OTA_REQ_SWITCH_FIRMWARE)

Referenced by hif_check_code().

#define HIFCODE_SSL_WRITECERT   ((M2M_REQ_GROUP_SSL << 8) | M2M_SSL_REQ_WRITE_OWN_CERTS)

#define HIFCODE_WIFI_CONN   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_CONN)

#define HIFCODE_WIFI_CONN_PARAM   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_IND_CONN_PARAM)

#define HIFCODE_WIFI_DELETE_CRED   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQRSP_DELETE_APID)

#define HIFCODE_WIFI_ENABLE_AP   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_ENABLE_AP)

#define HIFCODE_WIFI_PASSIVESCAN   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_PASSIVE_SCAN)

#define HIFCODE_WIFI_ROAMING   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_ROAMING)

#define HIFCODE_WIFI_SCAN_SSID_LIST   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_SCAN_SSID_LIST)

#define HIFCODE_WIFI_SET_STOP_SCAN_OPTION   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_SET_STOP_SCAN_OPTION)

#define HIFCODE_WIFI_START_PROV_MODE   ((M2M_REQ_GROUP_WIFI << 8) | M2M_WIFI_REQ_START_PROVISION_MODE)

#define INTERRUPT_CORTUS_0_3000D0   (0x10a8)

Referenced by hif_set_rx_done().

#define INTERRUPT_CORTUS_1_3000D0   (0x10ac)

Referenced by hif_send().

#define INTERRUPT_CORTUS_2_3000D0   (0x10b0)

Referenced by hif_send().

#define INTERRUPT_CORTUS_3_3000D0   (0x10b4)

#define NEW_HIF_LIST

Value:

HIF_OTA_RB_ONLY, \
    HIFCODE_SSL_WRITECERT, \
    HIFCODE_WIFI_PASSIVESCAN, \
    HIFCODE_WIFI_CONN, \
    HIFCODE_WIFI_CONN_PARAM, \
    HIFCODE_WIFI_DELETE_CRED, \
    HIFCODE_WIFI_START_PROV_MODE, \
    HIFCODE_WIFI_ENABLE_AP, \
    HIFCODE_IP_RAW_SOCK_OPT, \
    HIFCODE_WIFI_ROAMING, \
    HIFCODE_IP_SECURE, \
    HIFCODE_WIFI_SCAN_SSID_LIST, \
    HIFCODE_WIFI_SET_STOP_SCAN_OPTION

#define NMI_AHB_DATA_MEM_BASE   0x30000

#define NMI_AHB_SHARE_MEM_BASE   0xd0000

#define WIFI_HOST_RCV_CTRL_0   (0x1070)

Referenced by hif_isr(), and hif_set_rx_done().

#define WIFI_HOST_RCV_CTRL_1   (0x1084)

Referenced by hif_isr().

#define WIFI_HOST_RCV_CTRL_2   (0x1078)

Referenced by hif_send().

#define WIFI_HOST_RCV_CTRL_3   (0x106c)

Referenced by hif_send().

#define WIFI_HOST_RCV_CTRL_4   (0x150400)

Referenced by hif_send().

sint8 hif_check_code	(	uint8	u8Gid,
		uint8	u8OpCode
	)

        To check that a particular hif message is supported with the current driver/firmware pair.

Parameters

[in]	u8Gid	Group ID.
[in]	u8Opcode	Operation ID.

Returns

The function shall return M2M_SUCCESS for success and a negative value otherwise.

Parameters

[in]	u8Gid	Group ID.
[in]	u8Opcode	Operation ID.

Returns

The function shall return ZERO for support and a negative value otherwise.

References gau16HifBlacklist, gu8HifBlOffset, HIF_BLACKLIST_SZ, HIFCODE_OTA_RB, HIFCODE_OTA_SW, M2M_ERR, M2M_ERR_SEND, and M2M_SUCCESS.

Referenced by hif_send().

sint8 hif_check_compatibility

(

uint16

u16HifInfo

)

        To check the compatibility of an image with the current driver.

Parameters

[in]

u16HifInfo

HIF info of image to be checked.

Returns

The function shall return ZERO for compatible image and a negative value otherwise.

References M2M_ERR_FW_VER_MISMATCH, M2M_GET_HIF_BLOCK, M2M_GET_HIF_MAJOR, M2M_HIF_BLOCK_VALUE, M2M_HIF_MAJOR_VALUE, and M2M_SUCCESS.

Referenced by hif_enable_access(), and m2m_wifi_check_ota_rb().

NMI_API sint8 hif_chip_sleep

(

void

)

To make the chip sleep.

        To make the chip sleep.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

References chip_sleep(), M2M_NO_PS, M2M_SUCCESS, tstrHifContext::u8ChipMode, and tstrHifContext::u8ChipSleep.

Referenced by gpio_ioctl(), hif_init(), hif_send(), m2m_ota_get_firmware_version(), m2m_wifi_get_firmware_version(), m2m_wifi_get_mac_address(), and m2m_wifi_get_otp_mac_address().

NMI_API sint8 hif_chip_sleep_sc ( void  )

static

To clear the chip sleep but keep the chip sleep.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

References M2M_SUCCESS, and tstrHifContext::u8ChipSleep.

Referenced by hif_send().

NMI_API sint8 hif_chip_wake

(

void

)

To Wakeup the chip.

    To Wakeup the chip.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

References chip_wake(), M2M_NO_PS, M2M_SUCCESS, tstrHifContext::u8ChipMode, tstrHifContext::u8ChipSleep, and tstrHifContext::u8HifRXDone.

Referenced by gpio_ioctl(), hif_deinit(), hif_send(), m2m_ota_get_firmware_version(), m2m_wifi_get_firmware_version(), m2m_wifi_get_mac_address(), and m2m_wifi_get_otp_mac_address().

NMI_API sint8 hif_deinit

(

void *

arg

)

To Deinitialize HIF layer.

        To Deinitialize HIF layer.

Parameters

[in]

arg

Pointer to the arguments.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

Parameters

[in]

arg

Pointer to the arguments.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

References hif_chip_wake(), m2m_memset(), and M2M_SUCCESS.

Referenced by m2m_wifi_deinit().

sint8 hif_enable_access

(

void

)

        To enable access to HIF layer, based on HIF level of Firmware.

        This function reads HIF level directly from a register written by Firmware.

Returns

The function shall return ZERO for full match operation and a negative value if operation is restricted.

References gu8HifBlOffset, HIF_BLACKLIST_SZ, hif_check_compatibility(), M2M_ERR, M2M_GET_HIF_MINOR, M2M_SUCCESS, nm_get_hif_info(), and NULL.

Referenced by m2m_wifi_init_start().

NMI_API uint8 hif_get_sleep_mode

(

void

)

Get the sleep mode of the HIF layer.

Returns

The function SHALL return the sleep mode of the HIF layer.

References tstrHifContext::u8ChipMode.

Referenced by m2m_wifi_get_sleep_mode(), and m2m_wifi_request_sleep().

hif_handle_isr

(

void

)

    Handle interrupt received from NMC1500 firmware.

Returns

The function SHALL return 0 for success and a negative value otherwise.

References hif_isr(), M2M_ERR, M2M_SUCCESS, nm_bsp_interrupt_ctrl(), tstrHifContext::u8Interrupt, and tstrHifContext::u8Yield.

Referenced by m2m_wifi_handle_events().

NMI_API sint8 hif_init

(

void *

arg

)

To initialize HIF layer.

        To initialize HIF layer.

Parameters

[in]

arg

Pointer to the arguments.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

Parameters

[in]

arg

Pointer to the arguments.

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

References hif_chip_sleep(), hif_register_cb(), isr(), m2m_hif_cb(), m2m_memset(), M2M_REQ_GROUP_HIF, M2M_SUCCESS, and nm_bsp_register_isr().

Referenced by m2m_wifi_init_start().

hif_isr ( void  )

static

Host interface interrupt service routine.

Returns

M2M_SUCCESS in case of success or a negative vale otherwise

start bus transfer

References hif_set_rx_done(), M2M_ERR, M2M_ERR_BUS_FAIL, M2M_ERR_RCV, M2M_HIF_HDR_OFFSET, M2M_REQ_GROUP_IP, M2M_REQ_GROUP_OTA, M2M_REQ_GROUP_SIGMA, M2M_REQ_GROUP_SSL, M2M_REQ_GROUP_WIFI, M2M_SUCCESS, NBIT0, NM_BSP_B_L_16, nm_read_block(), nm_read_reg_with_ret(), nm_write_reg(), tstrHifContext::pfIpCb, tstrHifContext::pfOtaCb, tstrHifContext::pfSigmaCb, tstrHifContext::pfSslCb, tstrHifContext::pfWifiCb, tstrHifHdr::u16Length, tstrHifContext::u32RxAddr, tstrHifContext::u32RxSize, tstrHifHdr::u8Gid, tstrHifContext::u8HifRXDone, tstrHifHdr::u8Opcode, WIFI_HOST_RCV_CTRL_0, and WIFI_HOST_RCV_CTRL_1.

Referenced by hif_handle_isr().

sint8 hif_receive	(	uint32	u32Addr,
		uint8 *	pu8Buf,
		uint16	u16Sz,
		uint8	isDone
	)

References hif_set_rx_done(), M2M_ERR, M2M_ERR_FAIL, M2M_SUCCESS, nm_read_block(), NULL, tstrHifContext::u32RxAddr, and tstrHifContext::u32RxSize.

Referenced by m2m_ip_cb(), m2m_ota_cb(), m2m_ssl_cb(), m2m_ssl_retrieve_hash(), m2m_ssl_retrieve_next_for_verifying(), m2m_ssl_stop_retrieving(), m2m_wifi_cb(), and Socket_ReadSocketData().

sint8 hif_register_cb	(	uint8	u8Grp,
		tpfHifCallBack	fn
	)

References M2M_ERR, M2M_ERR_FAIL, M2M_REQ_GROUP_HIF, M2M_REQ_GROUP_IP, M2M_REQ_GROUP_OTA, M2M_REQ_GROUP_SIGMA, M2M_REQ_GROUP_SSL, M2M_REQ_GROUP_WIFI, M2M_SUCCESS, tstrHifContext::pfHifCb, tstrHifContext::pfIpCb, tstrHifContext::pfOtaCb, tstrHifContext::pfSigmaCb, tstrHifContext::pfSslCb, and tstrHifContext::pfWifiCb.

Referenced by hif_init(), m2m_ota_init(), m2m_ssl_init(), m2m_wifi_init_start(), socketDeinit(), and socketInit().

NMI_API sint8 hif_send	(	uint8	u8Gid,
		uint8	u8Opcode,
		uint8 *	pu8CtrlBuf,
		uint16	u16CtrlBufSize,
		uint8 *	pu8DataBuf,
		uint16	u16DataSize,
		uint16	u16DataOffset
	)

Send packet using host interface.

Parameters

[in]	u8Gid	Group ID.
[in]	u8Opcode	Operation ID.
[in]	pu8CtrlBuf	Pointer to the Control buffer.
[in]	u16CtrlBufSize	Control buffer size.
[in]	u16DataOffset	Packet Data offset.
[in]	pu8DataBuf	Packet buffer Allocated by the caller.
[in]	u16DataSize	Packet buffer size (including the HIF header).

Returns

The function shall return M2M_SUCCESS for successful operation and a negative value otherwise.

Parameters

[in]	u8Gid	Group ID.
[in]	u8Opcode	Operation ID.
[in]	pu8CtrlBuf	Pointer to the Control buffer.
[in]	u16CtrlBufSize	Control buffer size.
[in]	u16DataOffset	Packet Data offset.
[in]	pu8DataBuf	Packet buffer Allocated by the caller.
[in]	u16DataSize	Packet buffer size (including the HIF header).

Returns

The function shall return ZERO for successful operation and a negative value otherwise.

References hif_check_code(), hif_chip_sleep(), hif_chip_sleep_sc(), hif_chip_wake(), INTERRUPT_CORTUS_1_3000D0, INTERRUPT_CORTUS_2_3000D0, ISNMC3400, M2M_DBG, M2M_ERR, M2M_ERR_MEM_ALLOC, M2M_ERR_SEND, M2M_HIF_HDR_OFFSET, M2M_HIF_MAX_PACKET_SIZE, M2M_INFO, M2M_SUCCESS, NBIT1, NBIT7, NM_BSP_B_L_16, nm_bsp_sleep(), nm_read_reg_with_ret(), nm_write_block(), nm_write_reg(), nmi_get_chipid(), NMI_STATE_REG, NULL, tstrHifHdr::u16Length, tstrHifHdr::u8Gid, tstrHifHdr::u8Opcode, WIFI_HOST_RCV_CTRL_2, WIFI_HOST_RCV_CTRL_3, and WIFI_HOST_RCV_CTRL_4.

Referenced by m2m_ota_abort(), m2m_ota_notif_check_for_update(), m2m_ota_notif_sched(), m2m_ota_notif_set_url(), m2m_ota_rollback(), m2m_ota_start_update(), m2m_ota_switch_firmware(), m2m_ssl_handshake_rsp(), m2m_ssl_send_certs_to_winc(), m2m_ssl_set_active_ciphersuites(), m2m_wifi_ble_api_send(), m2m_wifi_ble_set_gain_table(), m2m_wifi_configure_sntp(), m2m_wifi_connect_1x_mschap2(), m2m_wifi_connect_1x_tls(), m2m_wifi_connect_open(), m2m_wifi_connect_psk(), m2m_wifi_connect_wep(), m2m_wifi_default_connect(), m2m_wifi_delete_sc(), m2m_wifi_disable_ap(), m2m_wifi_disable_roaming(), m2m_wifi_disconnect(), m2m_wifi_enable_ap_ext(), m2m_wifi_enable_dhcp(), m2m_wifi_enable_firmware_logs(), m2m_wifi_enable_roaming(), m2m_wifi_enable_sntp(), m2m_wifi_get_connection_info(), m2m_wifi_get_system_time(), m2m_wifi_p2p(), m2m_wifi_p2p_disconnect(), m2m_wifi_prng_get_random_bytes(), m2m_wifi_req_curr_rssi(), m2m_wifi_req_restrict_ble(), m2m_wifi_req_scan_result(), m2m_wifi_req_unrestrict_ble(), m2m_wifi_request_scan(), m2m_wifi_request_scan_passive(), m2m_wifi_request_scan_ssid_list(), m2m_wifi_request_sleep(), m2m_wifi_send_ethernet_pkt(), m2m_wifi_set_battery_voltage(), m2m_wifi_set_cust_InfoElement(), m2m_wifi_set_device_name(), m2m_wifi_set_lsn_int(), m2m_wifi_set_mac_address(), m2m_wifi_set_power_profile(), m2m_wifi_set_scan_options(), m2m_wifi_set_scan_region(), m2m_wifi_set_sleep_mode(), m2m_wifi_set_static_ip(), m2m_wifi_set_stop_scan_on_first(), m2m_wifi_set_system_time(), m2m_wifi_set_tx_power(), m2m_wifi_start_provision_mode_ext(), m2m_wifi_stop_provision_mode(), m2m_wifi_wps(), and m2m_wifi_wps_disable().

static sint8 hif_set_rx_done ( void  )

static

References INTERRUPT_CORTUS_0_3000D0, ISNMC3400, M2M_SUCCESS, NBIT1, nm_bsp_interrupt_ctrl(), nm_read_reg_with_ret(), nm_write_reg(), nmi_get_chipid(), tstrHifContext::u8HifRXDone, and WIFI_HOST_RCV_CTRL_0.

Referenced by hif_isr(), and hif_receive().

NMI_API void hif_set_sleep_mode

(

uint8

u8Pstype

)

Set the sleep mode of the HIF layer.

Parameters

[in]

u8Pstype

Sleep mode.

Returns

The function SHALL return 0 for success and a negative value otherwise.

References tstrHifContext::u8ChipMode.

Referenced by m2m_wifi_set_sleep_mode().

hif_yield

(

void

)

Yields control from interrupt event handler.

    Yields control from interrupt event handler.

References tstrHifContext::u8Yield.

Referenced by m2m_wifi_yield().

static void isr ( void  )

static

References nm_bsp_interrupt_ctrl(), and tstrHifContext::u8Interrupt.

Referenced by hif_init().

static void m2m_hif_cb ( uint8  u8OpCode, uint16  u16DataSize, uint32  u32Addr  )

static

WiFi call back function.

Parameters

[in]	u8OpCode	HIF Opcode type.
[in]	u16DataSize	HIF data length.
[in]	u32Addr	HIF address.

Referenced by hif_init().

uint16 gau16HifBlacklist[] = {NEW_HIF_LIST}

static

Referenced by hif_check_code().

volatile tstrHifContext gstrHifCxt

uint8 gu8HifBlOffset = 0

static

Referenced by hif_check_code(), and hif_enable_access().