serial_bridge.c File Reference

Configurations for the WILC1000 Serial Bridge Application.

Copyright (c) 2018 Microchip Technology Inc. and its subsidiaries.

#include "asf.h"
#include "uart_stream.h"
#include "FreeRTOS.h"
#include "osprintf.h"
#include "os/include/net_init.h"
#include "os/include/m2m_wifi_ex.h"

Data Structures
struct	uart_cmd_hdr
struct	usart_frame

Enumerations
enum	cmd_err_code {   CMD_ERR_NO_ERROR = 0,   CMD_ERR_INTERNAL_ERROR,   CMD_ERR_INVALID_FRAME }

Functions
void	bt_serial_bridge ()
static void	buffer_to_cmd_hdr (uint8_t *buffer, struct uart_cmd_hdr *cmd_hdr)
static uint8_t	checksum_check (uint8_t *buffer, uint8_t size)
void	fatal (int code, const char *msg)
void	hard_fault (uint32_t *args, uint32_t lr)
void	HardFault_Handler (void)
int	main (void)
	Main application function. More...
static sint8	serial_bridge (void)
	Process input UART command and forward to SPI. More...
static void	usart_frame_parse (uint8_t *buffer, uint8_t size)
	Parse incoming frame and find the handler to process the request. More...
static int	usart_read_block_handler (uint8_t *buffer, uint8_t size)
static int	usart_read_reg_with_ret_handler (uint8_t *buffer, uint8_t size)
static int	usart_reconfigure_handler (uint8_t *buffer, uint8_t size)
static int	usart_sync_cmd_handler (uint8_t *buffer, uint8_t size)
static int	usart_write_block_handler (uint8_t *buffer, uint8_t size)
static int	usart_write_reg_handler (uint8_t *buffer, uint8_t size)
void	vApplicationMallocFailedHook (void)
void	vApplicationStackOverflowHook (xTaskHandle pxTask, signed char *pcTaskName)

Variables
static uint32_t	fault_addr
uint8_t	hci_recv_buffer [13]
uint32_t	ms_ticks = 0
	SysTick counter to avoid busy wait delay. More...
uint8_t	reset_buffer [13] = {0xA5,0x01,0x10,0x00,0x00,0x00,0x14,0x00,0x00,005,0x00,0x00,0x00}
uint8_t	reset_sdio_buffer [13] = {0xA5,0x01,0x10,0x00,0x00,0x00,0x14,0x00,0x00,0xFF,0xFB,0xFF,0xFF}
struct usart_frame	usart_handler []

enum cmd_err_code

Enumerator
CMD_ERR_NO_ERROR
CMD_ERR_INTERNAL_ERROR
CMD_ERR_INVALID_FRAME

void bt_serial_bridge

(

)

static void buffer_to_cmd_hdr ( uint8_t *  buffer, struct uart_cmd_hdr *  cmd_hdr  )

static

References uart_cmd_hdr::addr, uart_cmd_hdr::cmd, and uart_cmd_hdr::val.

Referenced by usart_read_block_handler(), usart_read_reg_with_ret_handler(), usart_reconfigure_handler(), usart_write_block_handler(), and usart_write_reg_handler().

static uint8_t checksum_check ( uint8_t *  buffer, uint8_t  size  )

static

Referenced by usart_read_block_handler(), usart_read_reg_with_ret_handler(), usart_reconfigure_handler(), usart_write_block_handler(), and usart_write_reg_handler().

void fatal	(	int	code,
		const char *	msg
	)

void hard_fault	(	uint32_t *	args,
		uint32_t	lr
	)

References fault_addr, and osprintf().

void HardFault_Handler

(

void

)

int main

(

void

)

Main application function.

Application entry point.

Returns

program return value.

References board_init(), configure_usart(), serial_bridge(), sysclk_init(), vTaskStartScheduler(), and xTaskCreate.

static sint8 serial_bridge ( void  )

static

Process input UART command and forward to SPI.

References M2M_ERR_INIT, M2M_SUCCESS, NULL, os_m2m_wifi_init(), tstrWifiInitParam::pfAppWifiCb, usart_frame_parse(), usart_stream_read(), and usart_stream_reset().

Referenced by main().

static void usart_frame_parse ( uint8_t *  buffer, uint8_t  size  )

static

Parse incoming frame and find the handler to process the request.

References reset_buffer, reset_sdio_buffer, usart_stream_reset(), and usart_stream_write().

Referenced by serial_bridge().

static int usart_read_block_handler ( uint8_t *  buffer, uint8_t  size  )

static

References uart_cmd_hdr::addr, buffer_to_cmd_hdr(), checksum_check(), uart_cmd_hdr::cmd, CMD_ERR_INVALID_FRAME, CMD_ERR_NO_ERROR, nm_read_block(), USART_BUFFER_MAX, usart_stream_move(), usart_stream_write(), and usart_stream_write_buffer().

static int usart_read_reg_with_ret_handler ( uint8_t *  buffer, uint8_t  size  )

static

References uart_cmd_hdr::addr, buffer_to_cmd_hdr(), checksum_check(), CMD_ERR_INVALID_FRAME, CMD_ERR_NO_ERROR, nm_read_reg(), usart_stream_move(), usart_stream_write(), and uart_cmd_hdr::val.

static int usart_reconfigure_handler ( uint8_t *  buffer, uint8_t  size  )

static

References buffer_to_cmd_hdr(), checksum_check(), CMD_ERR_INVALID_FRAME, CMD_ERR_NO_ERROR, configure_usart(), usart_stream_move(), usart_stream_write(), and uart_cmd_hdr::val.

static int usart_sync_cmd_handler ( uint8_t *  buffer, uint8_t  size  )

static

References CMD_ERR_NO_ERROR, usart_stream_move(), and usart_stream_write().

static int usart_write_block_handler ( uint8_t *  buffer, uint8_t  size  )

static

References uart_cmd_hdr::addr, buffer_to_cmd_hdr(), checksum_check(), uart_cmd_hdr::cmd, CMD_ERR_INVALID_FRAME, CMD_ERR_NO_ERROR, nm_write_block(), usart_stream_move(), usart_stream_read(), and usart_stream_write().

static int usart_write_reg_handler ( uint8_t *  buffer, uint8_t  size  )

static

References uart_cmd_hdr::addr, buffer_to_cmd_hdr(), checksum_check(), CMD_ERR_INVALID_FRAME, CMD_ERR_NO_ERROR, nm_write_reg(), usart_stream_move(), usart_stream_write(), and uart_cmd_hdr::val.

void vApplicationMallocFailedHook

(

void

)

Referenced by pvPortMalloc().

void vApplicationStackOverflowHook	(	xTaskHandle	pxTask,
		signed char *	pcTaskName
	)

References M2M_ERR.

uint32_t fault_addr

static

Referenced by hard_fault().

uint8_t hci_recv_buffer[13]

uint32_t ms_ticks = 0

SysTick counter to avoid busy wait delay.

uint8_t reset_buffer[13] = {0xA5,0x01,0x10,0x00,0x00,0x00,0x14,0x00,0x00,005,0x00,0x00,0x00}

Referenced by usart_frame_parse().

uint8_t reset_sdio_buffer[13] = {0xA5,0x01,0x10,0x00,0x00,0x00,0x14,0x00,0x00,0xFF,0xFB,0xFF,0xFF}

Referenced by usart_frame_parse().

struct usart_frame usart_handler[]

Initial value:

= {
    {{0x12, 0}, 1, 1, usart_sync_cmd_handler}, 
    {{0xa5, 0x00, 0}, 2, sizeof(struct uart_cmd_hdr) + 1, usart_read_reg_with_ret_handler}, 
    {{0xa5, 0x01, 0}, 2, sizeof(struct uart_cmd_hdr) + 1, usart_write_reg_handler}, 
    {{0xa5, 0x02, 0}, 2, sizeof(struct uart_cmd_hdr) + 1, usart_read_block_handler}, 
    {{0xa5, 0x03, 0}, 2, sizeof(struct uart_cmd_hdr) + 1, usart_write_block_handler}, 
    {{0xa5, 0x04, 0}, 2, 2, NULL}, 
    {{0xa5, 0x05, 0}, 2, sizeof(struct uart_cmd_hdr) + 1, usart_reconfigure_handler}, 
    {{0xa5, 0x0A, 0}, 2, 2, NULL}, 
}