uart working but fix send char

2026-03-16 17:10:48 -07:00
parent 0b531b10d7
commit 303a554595
9 changed files with 288 additions and 24 deletions
--- a/SHAL/Include/Peripheral/UART/Reg/SHAL_UART_REG_H753ZI.h
+++ b/SHAL/Include/Peripheral/UART/Reg/SHAL_UART_REG_H753ZI.h
@@ -0,0 +1,112 @@
+//
+// Created by Luca on 9/7/2025.
+//
+
+#ifndef SHAL_UART_REG_F072XB_H
+#define SHAL_UART_REG_F072XB_H
+
+#include <stm32h753xx.h>
+#include <cassert>
+
+#include "SHAL_UART_TYPES.h"
+
+#define NUM_USART_LINES 4
+
+#define SHAL_UART1 UART(1)
+#define SHAL_UART2 UART(2)
+#define SHAL_UART3 UART(3)
+#define SHAL_UART4 UART(4)
+
+//Valid usart Tx and Rx pairings for STM32F072
+enum class UART_Pair_Key : uint8_t{
+    //UART2
+    Tx2A2_Rx2A3,
+    Tx3D8_Rx3D9,
+
+    NUM_PAIRS,
+    INVALID
+};
+
+static SHAL_UART_Pair getUARTPair(const UART_Pair_Key pair){
+    switch(pair){
+        case UART_Pair_Key::Tx2A2_Rx2A3:
+            return {USART2, GPIO_Key::A2, GPIO_Key::A3, GPIO_Alternate_Function::AF7, GPIO_Alternate_Function::AF7};
+        case UART_Pair_Key::Tx3D8_Rx3D9:
+            return {USART3, GPIO_Key::D8, GPIO_Key::D9, GPIO_Alternate_Function::AF7, GPIO_Alternate_Function::AF7};
+        case UART_Pair_Key::NUM_PAIRS:
+        case UART_Pair_Key::INVALID:
+            assert(false);
+            return {nullptr, GPIO_Key::INVALID, GPIO_Key::INVALID, GPIO_Alternate_Function::AF0, GPIO_Alternate_Function::AF0};
+        default:
+            __builtin_unreachable();
+    }
+}
+
+constexpr SHAL_UART_Enable_Register getUARTEnableReg(const UART_Pair_Key pair){
+    switch(pair){
+        case UART_Pair_Key::Tx2A2_Rx2A3:
+            return {&RCC->APB1LENR,RCC_APB1LENR_USART2EN};
+        case UART_Pair_Key::Tx3D8_Rx3D9:
+            return {&RCC->APB1LENR,RCC_APB1LENR_USART3EN};
+        case UART_Pair_Key::NUM_PAIRS:
+        case UART_Pair_Key::INVALID:
+            assert(false);
+            return {nullptr, 0};
+    }
+    __builtin_unreachable();
+}
+
+static SHAL_UART_Control_Register_1 getUARTControlRegister1(const UART_Pair_Key key) {
+    SHAL_UART_Control_Register_1 res = {
+        nullptr,
+        USART_CR1_UE,
+        USART_CR1_TE,
+        USART_CR1_RE,
+        USART_CR1_M0,
+        USART_CR1_M1
+    };
+
+    res.reg = &getUARTPair(key).USARTReg->CR1;
+    return res;
+};
+
+static SHAL_UART_Baud_Rate_Generation_Register getUARTBaudRateRegister(const UART_Pair_Key key) {
+    SHAL_UART_Baud_Rate_Generation_Register res = {nullptr};
+
+    res.reg = &getUARTPair(key).USARTReg->BRR;
+    return res;
+}
+
+static SHAL_UART_ISR getUARTISR(const UART_Pair_Key key) { //TODO Support for multiple alternates for FIFO
+    SHAL_UART_ISR res = {
+        nullptr,
+        USART_ISR_TXE_TXFNF,
+        USART_ISR_TC,
+        USART_ISR_BUSY
+    };
+
+    res.reg = &getUARTPair(key).USARTReg->ISR;
+    return res;
+}
+
+static SHAL_UART_Transmit_Data_Register getUARTTransmitDataRegister(const UART_Pair_Key key) {
+    return {&getUARTPair(key).USARTReg->CR1};
+}
+
+static
+
+constexpr uint32_t getAFMask(const GPIO_Alternate_Function mask){
+    switch(mask){
+        case GPIO_Alternate_Function::AF0: return 0x00;
+        case GPIO_Alternate_Function::AF1: return 0x01;
+        case GPIO_Alternate_Function::AF2: return 0x02;
+        case GPIO_Alternate_Function::AF3: return 0x03;
+        case GPIO_Alternate_Function::AF4: return 0x04;
+        case GPIO_Alternate_Function::AF5: return 0x05;
+        case GPIO_Alternate_Function::AF6: return 0x06;
+        case GPIO_Alternate_Function::AF7: return 0x07;
+    }
+    __builtin_unreachable();
+}
+
+#endif //SHMINGO_HAL_SHAL_UART_REG_F072XB_H