progress

src/lib/registers.rs

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+//! Memory addresses of registers
+//! Data sheet: https://www.ti.com/lit/ds/spms376e/spms376e.pdf
+
+// TODO: check page 92-94 for more features ("Memory Map" table)!
+
+// TODO: check page 1230 onward for PWM
+
+/// Modeled after page 660 of data sheet (GPIO Register Map)
+pub mod gpio {
+    mod base {
+        pub const PORT_A: u32 = 0x4000_4000;
+        pub const PORT_F: u32 = 0x4002_5000;
+    }
+
+    /// Page 671 of data sheet
+    pub mod afsel {
+        const OFFSET: u32 = 0x420;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 687 of data sheet
+    pub mod amsel {
+        const OFFSET: u32 = 0x52C;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 685 of data sheet
+    pub mod cr {
+        const OFFSET: u32 = 0x524;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 662 of data sheet
+    pub mod data {
+        const OFFSET: u32 = 0x000;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 682 of data sheet
+    pub mod den {
+        const OFFSET: u32 = 0x51C;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 663 of data sheet
+    pub mod dir {
+        const OFFSET: u32 = 0x400;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 684 of data sheet
+    pub mod lock {
+        const OFFSET: u32 = 0x520;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 688 of data sheet
+    pub mod pctl {
+        const OFFSET: u32 = 0x52C;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 679 of data sheet
+    pub mod pdr {
+        const OFFSET: u32 = 0x514;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    /// Page 677 of data sheet
+    pub mod pur {
+        const OFFSET: u32 = 0x510;
+
+        pub const PORT_A: *mut u32 = (super::base::PORT_A + OFFSET) as *mut u32;
+        pub const PORT_F: *mut u32 = (super::base::PORT_F + OFFSET) as *mut u32;
+    }
+
+    // TODO: examine page 670 for when (if) I do interrupts
+}
+
+// TODO: examine page 690 (ADC) for applicability
+
+/// Page 231 of data sheet
+pub mod system {
+    const BASE: u32 = 0x400F_E000;
+
+    // TODO: page 340
+    pub const RCGCGPIO: *mut u32 = (BASE + 0x608) as *mut u32;
+}