From 73c30ecbeee78a78d46567edb8875283977637ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Tue, 25 Oct 2022 10:24:24 +0200
Subject: devShells: add espc

---
 devShells/default.nix | 1 +
 devShells/nuttx.nix   | 9 +++++++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/devShells/default.nix b/devShells/default.nix
index 24d8cfb..02ecc11 100644
--- a/devShells/default.nix
+++ b/devShells/default.nix
@@ -13,6 +13,7 @@ let
 
     armv6 = callDevelop ./nuttx.nix { arch = "armv6s-m"; };
     armv7e = callDevelop ./nuttx.nix { arch = "armv7e-m"; fpu = "vfpv3-d16"; };
+    espc = callDevelop ./nuttx.nix { arch = "rv32imc"; };
     c = callDevelop ./c.nix { };
     qt = callDevelop ./qt.nix { };
     riscv = callDevelop ./riscv.nix { };
diff --git a/devShells/nuttx.nix b/devShells/nuttx.nix
index 0246ad2..03f51f9 100644
--- a/devShells/nuttx.nix
+++ b/devShells/nuttx.nix
@@ -2,12 +2,15 @@
 , default, c
 , arch, fpu ? null
 }:
+with builtins;
 with nixpkgs.lib;
 let
   pkgs = import nixpkgs.outPath {
     localSystem = system;
     crossSystem = {
-      config = "arm-none-eabi" + (optionalString (fpu != null) "hf");
+      config = if (match "armv.*" arch != null) then
+        "arm-none-eabi" + (optionalString (fpu != null) "hf")
+        else "riscv32-none-elf";
       libc = "newlib";
       gcc = {
         arch = arch;
@@ -20,7 +23,9 @@ in pkgs.buildPackages.mkShell {
     kconfig-frontends genromfs xxd
     openocd
     gcc gdb
-  ];
+  ] ++ (optionals (match "rv32.*" arch != null) [
+    esptool
+  ]);
   inputsFrom = [ default c ];
   meta.platforms = nixpkgs.lib.platforms.linux;
 }
-- 
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