Changed bitmask to offset in peripheral struct to support different register patterns

2025-08-30 15:54:42 -07:00
parent 19fbe6c0ad
commit 2da3413329
7 changed files with 107 additions and 24 deletions
--- a/SHAL/Include/Peripheral/GPIO/Reg/SHAL_GPIO_REG_F072xB.h
+++ b/SHAL/Include/Peripheral/GPIO/Reg/SHAL_GPIO_REG_F072xB.h
@@ -0,0 +1,86 @@
+//
+// Created by Luca on 8/29/2025.
+//
+
+#ifndef SHMINGO_HAL_SHAL_GPIO_REG_F072XB_H
+#define SHMINGO_HAL_SHAL_GPIO_REG_F072XB_H
+
+#include <stm32f072xb.h>
+#include <cassert>
+
+#define AVAILABLE_GPIO \
+    X(A0) X(A1) X(A2) X(A3) X(A4) X(A5) X(A6) X(A7) X(A8) X(A9) X(A10) X(A11) X(A12) X(A13) X(A14) X(A15) \
+    X(B0) X(B1) X(B2) X(B3) X(B4) X(B5) X(B6) X(B7) X(B8) X(B9) X(B10) X(B11) X(B12) X(B13) X(B14) X(B15) \
+    X(C0) X(C1) X(C2) X(C3) X(C4) X(C5) X(C6) X(C7) X(C8) X(C9) X(C10) X(C11) X(C12) X(C13) X(C14) X(C15)
+
+//Build enum map of available GPIO pins
+enum class GPIO_Key {
+    #define X(key) key,
+        AVAILABLE_GPIO
+    #undef X
+    NUM_GPIO,
+    INVALID
+};
+
+constexpr volatile GPIO_TypeDef* getGPIORegister(GPIO_Key g) {
+    switch(g) {
+        case GPIO_Key::A0:
+        case GPIO_Key::A1:
+        case GPIO_Key::A2:
+        case GPIO_Key::A3:
+        case GPIO_Key::A4:
+        case GPIO_Key::A5:
+        case GPIO_Key::A6:
+        case GPIO_Key::A7:
+        case GPIO_Key::A8:
+        case GPIO_Key::A9:
+        case GPIO_Key::A10:
+        case GPIO_Key::A11:
+        case GPIO_Key::A12:
+        case GPIO_Key::A13:
+        case GPIO_Key::A14:
+        case GPIO_Key::A15:
+            return GPIOA;
+        case GPIO_Key::B0:
+        case GPIO_Key::B1:
+        case GPIO_Key::B2:
+        case GPIO_Key::B3:
+        case GPIO_Key::B4:
+        case GPIO_Key::B5:
+        case GPIO_Key::B6:
+        case GPIO_Key::B7:
+        case GPIO_Key::B8:
+        case GPIO_Key::B9:
+        case GPIO_Key::B10:
+        case GPIO_Key::B11:
+        case GPIO_Key::B12:
+        case GPIO_Key::B13:
+        case GPIO_Key::B14:
+        case GPIO_Key::B15:
+            return GPIOB;
+        case GPIO_Key::C0:
+        case GPIO_Key::C1:
+        case GPIO_Key::C2:
+        case GPIO_Key::C3:
+        case GPIO_Key::C4:
+        case GPIO_Key::C5:
+        case GPIO_Key::C6:
+        case GPIO_Key::C7:
+        case GPIO_Key::C8:
+        case GPIO_Key::C9:
+        case GPIO_Key::C10:
+        case GPIO_Key::C11:
+        case GPIO_Key::C12:
+        case GPIO_Key::C13:
+        case GPIO_Key::C14:
+        case GPIO_Key::C15:
+            return GPIOC;
+        case GPIO_Key::INVALID:
+        case GPIO_Key::NUM_GPIO:
+            assert(false);
+            return nullptr; //Unreachable
+    }
+    __builtin_unreachable();
+}
+
+#endif //SHMINGO_HAL_SHAL_GPIO_REG_F072XB_H