m2m_hif.h File Reference

This module contains M2M host interface APIs implementation.

Copyright (c) 2017-2019 Microchip Technology Inc. and its subsidiaries.

#include "common/include/nm_common.h"

Data Structures
struct	tstrHifHdr
	Structure to hold HIF header. More...

Macros
#define	M2M_HIF_HDR_OFFSET   (sizeof(tstrHifHdr) + 4)
#define	M2M_HIF_MAX_PACKET_SIZE   (1600 - 4)

Typedefs
typedef void(*	tpfHifCallBack )(uint8 u8OpCode, uint16 u16DataSize, uint32 u32Addr)
	used to point to Wi-Fi call back function depend on Arduino project or other projects. More...

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...
NMI_API sint8	hif_chip_sleep (void)
	To make the chip sleep. More...
NMI_API sint8	hif_chip_wake (void)
	To Wakeup the chip. More...
NMI_API 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...
NMI_API uint8	hif_get_sleep_mode (void)
	Get the sleep mode of the HIF layer. More...
NMI_API sint8	hif_handle_isr (void)
	Handle interrupt received from NMC1500 firmware. More...
NMI_API sint8	hif_init (void *arg)
	To initialize HIF layer. More...
NMI_API sint8	hif_receive (uint32 u32Addr, uint8 *pu8Buf, uint16 u16Sz, uint8 isDone)
NMI_API sint8	hif_register_cb (uint8 u8Grp, tpfHifCallBack fn)
NMI_API sint8	hif_send (uint8 u8Gid, uint8 u8Opcode, uint8 *pu8CtrlBuf, uint16 u16CtrlBufSize, uint8 *pu8DataBuf, uint16 u16DataSize, uint16 u16DataOffset)
	Send packet using host interface. More...
NMI_API void	hif_set_sleep_mode (uint8 u8Pstype)
	Set the sleep mode of the HIF layer. More...
NMI_API void	hif_yield (void)
	Yields control from interrupt event handler. More...

#define M2M_HIF_HDR_OFFSET   (sizeof(tstrHifHdr) + 4)

Referenced by hif_isr(), hif_send(), m2m_ip_cb(), m2m_wifi_send_ethernet_pkt(), and sendto().

#define M2M_HIF_MAX_PACKET_SIZE   (1600 - 4)

< Include depends on UNO Board is used or not Maximum size of the buffer could be transferred between Host and Firmware.

Referenced by hif_send(), and sendto().

typedef void(* tpfHifCallBack)(uint8 u8OpCode, uint16 u16DataSize, uint32 u32Addr)

used to point to Wi-Fi call back function depend on Arduino project or other projects.

Parameters

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

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_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().

NMI_API sint8 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().

NMI_API 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().

NMI_API 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().

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().

NMI_API void hif_yield

(

void

)

Yields control from interrupt event handler.

    Yields control from interrupt event handler.

References tstrHifContext::u8Yield.

Referenced by m2m_wifi_yield().