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Update usb_comm.c

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Fix reboot function
Improve documentation
This commit is contained in:
Robin Jones 2025-02-21 23:51:22 +00:00
parent 960eacabd9
commit c9d01f7b7b
1 changed files with 40 additions and 6 deletions
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46
src/menu/usb_comm.c
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@ -1,3 +1,9 @@
/**
* @file usb_comm.c
* @brief USB communication component implementation
* @ingroup ui_components
*/
// NOTE: This code doesn't implement EverDrive-64 USB protocol.
// Main use of these functions is to aid menu development
// (for example replace files on the SD card or reboot menu).
@ -10,10 +16,8 @@
#include "usb_comm.h"
#include "utils/utils.h"
#define MAX_FILE_SIZE MiB(4)
/** @brief The supported USB commands structure. */
typedef struct {
/** @brief The command identifier. */
@ -23,7 +27,11 @@ typedef struct {
void (*op) (menu_t *menu);
} usb_comm_command_t;
/**
* @brief Get a character from the USB input.
*
* @return int The character read, or -1 if no character is available.
*/
static int usb_comm_get_char (void) {
char c;
@ -36,6 +44,14 @@ static int usb_comm_get_char (void) {
return (int) (c);
}
/**
* @brief Read a string from the USB input.
*
* @param string Buffer to store the string.
* @param length Maximum length of the string.
* @param end Character indicating the end of the string.
* @return true if the string was read successfully, false otherwise.
*/
static bool usb_comm_read_string (char *string, int length, char end) {
for (int i = 0; i < length; i++) {
int c = usb_comm_get_char();
@ -59,12 +75,21 @@ static bool usb_comm_read_string (char *string, int length, char end) {
return false;
}
/**
* @brief Send an error message over USB.
*
* @param message The error message.
*/
static void usb_comm_send_error (const char *message) {
usb_purge();
usb_write(DATATYPE_TEXT, message, strlen(message));
}
/**
* @brief Reboot the system.
*
* @param menu Pointer to the menu structure.
*/
static void command_reboot (menu_t *menu) {
menu->next_mode = MENU_MODE_BOOT;
@ -72,8 +97,13 @@ static void command_reboot (menu_t *menu) {
menu->boot_params->tv_type = BOOT_TV_TYPE_PASSTHROUGH;
menu->boot_params->detect_cic_seed = true;
menu->boot_params->cheat_list = NULL;
};
}
/**
* @brief Receive a file over USB and save it to the storage.
*
* @param menu Pointer to the menu structure.
*/
static void command_send_file (menu_t *menu) {
FILE *f;
char buffer[256];
@ -132,7 +162,11 @@ static usb_comm_command_t commands[] = {
{ .id = NULL },
};
/**
* @brief Poll the USB input for commands.
*
* @param menu Pointer to the menu structure.
*/
void usb_comm_poll (menu_t *menu) {
uint32_t header = usb_poll();