lpc17xx Moved watchdog timer and added support for lpc1788

Author: itzandroidtab

targets/chip/lpc1752/io/watchdog.hpp

@@ -3,7 +3,7 @@
 
 #include <cstdint>
 
-#include <targets/core/nxp/lpc175x/watchdog.hpp>
+#include <targets/core/nxp/lpc17xx/watchdog.hpp>
 
 namespace klib::lpc1752::io::periph {
     struct wdt0 {

targets/chip/lpc1754/io/watchdog.hpp

@@ -3,7 +3,7 @@
 
 #include <cstdint>
 
-#include <targets/core/nxp/lpc175x/watchdog.hpp>
+#include <targets/core/nxp/lpc17xx/watchdog.hpp>
 
 namespace klib::lpc1754::io::periph {
     struct wdt0 {

targets/chip/lpc1756/io/watchdog.hpp

@@ -3,7 +3,7 @@
 
 #include <cstdint>
 
-#include <targets/core/nxp/lpc175x/watchdog.hpp>
+#include <targets/core/nxp/lpc17xx/watchdog.hpp>
 
 namespace klib::lpc1756::io::periph {
     struct wdt0 {

targets/chip/lpc1759/io/watchdog.hpp

@@ -3,7 +3,7 @@
 
 #include <cstdint>
 
-#include <targets/core/nxp/lpc175x/watchdog.hpp>
+#include <targets/core/nxp/lpc17xx/watchdog.hpp>
 
 namespace klib::lpc1759::io::periph {
     struct wdt0 {

targets/chip/lpc1788/io/watchdog.hpp

@@ -0,0 +1,26 @@
+#ifndef KLIB_LPC1788_WATCHDOG_HPP
+#define KLIB_LPC1788_WATCHDOG_HPP
+
+#include <cstdint>
+
+#include <targets/core/nxp/lpc17xx/watchdog.hpp>
+
+namespace klib::lpc1788::io::periph {
+    struct wdt0 {
+        // peripheral id (e.g wdt0, wdt1)
+        constexpr static uint32_t id = 0;
+
+        // peripheral interrupt position
+        constexpr static uint32_t interrupt_id = 16;
+
+        // port to the wdt hardware
+        static inline WWDT_Type *const port = WWDT;
+    };
+}
+
+namespace klib::lpc1788::io {
+    template <typename Wdt>
+    using watchdog = core::lpc175x::io::watchdog<Wdt>;
+}
+
+#endif

targets/core/nxp/lpc175x/watchdog.hpp targets/core/nxp/lpc17xx/watchdog.hpptargets/core/nxp/lpc175x/watchdog.hpp renamed to targets/core/nxp/lpc17xx/watchdog.hpp

@@ -51,8 +51,15 @@ namespace klib::core::lpc175x::io {
             // Set the period
             Wdt::port->TC = ResetPeriod;
 
-            // set the clocksource
-            Wdt::port->CLKSEL = ClkSource & 0x3;
+            // check if we have a clock selection (lpc1788 does not have this)
+            constexpr bool has_clocksel = requires() {
+                (void)Wdt::port->CLKSEL;
+            };
+
+            if constexpr (has_clocksel) {
+                // set the clocksource
+                Wdt::port->CLKSEL = ClkSource & 0x3;
+            }
 
             // enable the watchdog timer
             Wdt::port->MOD = (Reset << 1) | 0x1;