From 099ec7443bed2183397005b4e8ebfcd2492e2b4c Mon Sep 17 00:00:00 2001
From: Satoshi Tanaka <overthere555@gmail.com>
Date: Mon, 1 May 2023 04:30:21 +0900
Subject: [PATCH] Add AP mode (unencrypted)

---
 src/consts.rs  |  3 +++
 src/control.rs | 37 +++++++++++++++++++++++++++++++++++++
 src/structs.rs |  9 +++++++++
 3 files changed, 49 insertions(+)

diff --git a/src/consts.rs b/src/consts.rs
index 18502bd1a..ade3cb2c5 100644
--- a/src/consts.rs
+++ b/src/consts.rs
@@ -93,8 +93,11 @@ pub(crate) const IRQ_F2_INTR: u16 = 0x4000;
 pub(crate) const IRQ_F3_INTR: u16 = 0x8000;
 
 pub(crate) const IOCTL_CMD_UP: u32 = 2;
+pub(crate) const IOCTL_CMD_DOWN: u32 = 3;
 pub(crate) const IOCTL_CMD_SET_SSID: u32 = 26;
+pub(crate) const IOCTL_CMD_SET_CHANNEL: u32 = 30;
 pub(crate) const IOCTL_CMD_ANTDIV: u32 = 64;
+pub(crate) const IOCTL_CMD_SET_AP: u32 = 118;
 pub(crate) const IOCTL_CMD_SET_VAR: u32 = 263;
 pub(crate) const IOCTL_CMD_GET_VAR: u32 = 262;
 pub(crate) const IOCTL_CMD_SET_PASSPHRASE: u32 = 268;
diff --git a/src/control.rs b/src/control.rs
index 934bade23..440246498 100644
--- a/src/control.rs
+++ b/src/control.rs
@@ -226,6 +226,43 @@ impl<'a> Control<'a> {
             .await
     }
 
+    pub async fn start_ap_open(&mut self, ssid: &str, channel: u8) {
+        // Temporarily set wifi down
+        self.ioctl(IoctlType::Set, IOCTL_CMD_DOWN, 0, &mut []).await;
+
+        // Turn off APSTA mode
+        self.set_iovar_u32("apsta", 0).await;
+
+        // Set wifi up again
+        self.ioctl(IoctlType::Set, IOCTL_CMD_UP, 0, &mut []).await;
+
+        // Turn on AP mode
+        self.ioctl_set_u32(IOCTL_CMD_SET_AP, 0, 1).await;
+
+        // Set SSID
+        let mut i = SsidInfoWithIndex {
+            index: 0,
+            ssid_info: SsidInfo {
+                len: ssid.as_bytes().len() as _,
+                ssid: [0; 32],
+            },
+        };
+        i.ssid_info.ssid[..ssid.as_bytes().len()].copy_from_slice(ssid.as_bytes());
+        self.set_iovar("bsscfg:ssid", &i.to_bytes()).await;
+
+        // Set channel number
+        self.ioctl_set_u32(IOCTL_CMD_SET_CHANNEL, 0, channel as u32).await;
+
+        // Set security
+        self.set_iovar_u32x2("bsscfg:wsec", 0, 0).await; // wsec = open
+
+        // Change mutlicast rate from 1 Mbps to 11 Mbps
+        self.set_iovar_u32("2g_mrate", 11000000 / 500000).await;
+
+        // Start AP
+        self.set_iovar_u32x2("bss", 0, 1).await; // bss = BSS_UP
+    }
+
     async fn set_iovar_u32x2(&mut self, name: &str, val1: u32, val2: u32) {
         let mut buf = [0; 8];
         buf[0..4].copy_from_slice(&val1.to_le_bytes());
diff --git a/src/structs.rs b/src/structs.rs
index d01d5a65c..3b646e1a8 100644
--- a/src/structs.rs
+++ b/src/structs.rs
@@ -389,6 +389,15 @@ pub struct PassphraseInfo {
 }
 impl_bytes!(PassphraseInfo);
 
+#[derive(Clone, Copy)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
+#[repr(C)]
+pub struct SsidInfoWithIndex {
+    pub index: u32,
+    pub ssid_info: SsidInfo,
+}
+impl_bytes!(SsidInfoWithIndex);
+
 #[derive(Clone, Copy)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
 #[repr(C)]