Serial Bridge.
Copyright (c) 2020-2021 Microchip Technology Inc. and its subsidiaries.
#include <asf.h>#include "common/include/nm_common.h"#include "bus_wrapper/include/nm_bus_wrapper.h"#include "driver/source/nmbus.h"#include "driver/include/m2m_wifi.h"#include "buffered_uart.h"#include <string.h>Data Structures | |
| struct | nm_command |
| struct | serial_bridge_frame |
| struct | serial_bridge_frame_buffer |
| struct | serial_bridge_frame_lookup |
Macros | |
| #define | PACKET_QUEUE_BUFFER_SIZE 2048 |
| #define | SERIAL_BRIDGE_LOOKUP_TABLE_ENTRIES sizeof(serial_bridge_lookup_table) / sizeof(struct serial_bridge_frame_lookup) |
Functions | |
| static sint8 | enter_wifi_firmware_download (void) |
| Process input UART command and forward to SPI. More... | |
| int | main (void) |
| Main application function. More... | |
| static void | serial_bridge_frame_buffer_pop (struct serial_bridge_frame_buffer *frame, int size) |
| static int | serial_bridge_frame_get_nm_command (struct serial_bridge_frame *frame, struct nm_command *cmd) |
| Read out the first 13bytes and copy into cmd buffer after checking the frame. More... | |
| static int | serial_bridge_frame_receive (struct serial_bridge_frame_buffer *frame, uint16_t len) |
| static void | serial_bridge_process_frame (void) |
| Parse incoming frame and find the handler to process the request. More... | |
| static int | serial_bridge_process_read_block (struct serial_bridge_frame *frame) |
| Handles the UART frame from nm_read_block() in nmuart.c. More... | |
| static int | serial_bridge_process_read_reg_with_ret (struct serial_bridge_frame *frame) |
| Handles the UART frame from nm_read_reg_with_ret() in nmuart.c. More... | |
| static int | serial_bridge_process_reboot_cmd (struct serial_bridge_frame *frame) |
| static int | serial_bridge_process_reconfigure (struct serial_bridge_frame *frame) |
| Handles the UART frame from nm_reconfigure() in nmuart.c. More... | |
| static int | serial_bridge_process_sync_cmd (struct serial_bridge_frame *frame) |
| Handles the UART frame from nm_sync_cmd() in nmuart.c. More... | |
| static int | serial_bridge_process_write_block (struct serial_bridge_frame *frame) |
| Handles frame from nm_uart_write_block() in nmuart.c. More... | |
| static int | serial_bridge_process_write_reg (struct serial_bridge_frame *frame) |
| Handles the UART frame from nm_write_reg() in nmuart.c. More... | |
Variables | |
| static struct serial_bridge_frame_buffer | frame_buffer |
| tstrWifiInitParam | gstrWifiParam |
| struct serial_bridge_frame_lookup | serial_bridge_lookup_table [] |
| #define PACKET_QUEUE_BUFFER_SIZE 2048 |
Referenced by serial_bridge_process_read_block().
| #define SERIAL_BRIDGE_LOOKUP_TABLE_ENTRIES sizeof(serial_bridge_lookup_table) / sizeof(struct serial_bridge_frame_lookup) |
Referenced by serial_bridge_process_frame().
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Process input UART command and forward to SPI.
References serial_bridge_frame_buffer::buffer, buffered_uart_rx(), frame_buffer, M2M_ERR_INIT, M2M_SUCCESS, nm_cpu_start(), serial_bridge_process_frame(), serial_bridge_process_sync_cmd(), and serial_bridge_frame_buffer::size.
Referenced by main().
| int main | ( | void | ) |
Main application function.
Application entry point.
References board_init(), buffered_uart_init(), enter_wifi_firmware_download(), M2M_ERR, M2M_SUCCESS, m2m_wifi_download_mode(), nm_bsp_init(), and sysclk_init().
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Read out the first 13bytes and copy into cmd buffer after checking the frame.
frame buffer pointer is pop'ed by this function.
References nm_command::addr, nm_command::cmd, serial_bridge_frame::cmd, serial_bridge_frame_buffer_pop(), nm_command::size, and nm_command::val.
Referenced by serial_bridge_process_read_block(), serial_bridge_process_read_reg_with_ret(), serial_bridge_process_reconfigure(), serial_bridge_process_write_block(), and serial_bridge_process_write_reg().
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References serial_bridge_frame_buffer::buffer, buffered_uart_rx(), and serial_bridge_frame_buffer::size.
Referenced by serial_bridge_process_write_block().
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Parse incoming frame and find the handler to process the request.
References serial_bridge_frame_buffer::buffer, buffered_uart_putchar(), frame_buffer, serial_bridge_frame_lookup::header_size, serial_bridge_frame_lookup::min_size, serial_bridge_frame_buffer_pop(), SERIAL_BRIDGE_LOOKUP_TABLE_ENTRIES, and serial_bridge_frame_buffer::size.
Referenced by enter_wifi_firmware_download().
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Handles the UART frame from nm_read_block() in nmuart.c.
References nm_command::addr, buffered_uart_putchar(), buffered_uart_tx(), nm_read_block(), PACKET_QUEUE_BUFFER_SIZE, serial_bridge_frame_get_nm_command(), and nm_command::size.
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Handles the UART frame from nm_read_reg_with_ret() in nmuart.c.
References nm_command::addr, buffered_uart_putchar(), nm_read_reg(), serial_bridge_frame_get_nm_command(), and nm_command::val.
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Handles the UART frame from nm_reconfigure() in nmuart.c.
References buffered_uart_init(), buffered_uart_putchar(), buffered_uart_term(), delay_ms, serial_bridge_frame_get_nm_command(), and nm_command::val.
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Handles the UART frame from nm_sync_cmd() in nmuart.c.
References buffered_uart_putchar(), and serial_bridge_frame_buffer_pop().
Referenced by enter_wifi_firmware_download().
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Handles frame from nm_uart_write_block() in nmuart.c.
References nm_command::addr, buffered_uart_putchar(), nm_write_block(), serial_bridge_frame_buffer_pop(), serial_bridge_frame_get_nm_command(), serial_bridge_frame_receive(), and nm_command::size.
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Handles the UART frame from nm_write_reg() in nmuart.c.
References nm_command::addr, buffered_uart_putchar(), nm_write_reg(), serial_bridge_frame_get_nm_command(), and nm_command::val.
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Referenced by enter_wifi_firmware_download(), and serial_bridge_process_frame().
| tstrWifiInitParam gstrWifiParam |
| struct serial_bridge_frame_lookup serial_bridge_lookup_table[] |
1.8.5