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#include "defines.h"
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#include "defines.h"
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#include "UART1.h"
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#include "UART1.h"
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static UART1_DATA *uart_data_ptr;
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static UART1_DATA *uart_data_ptr;
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/* Note: BRGH values are different from PIC18!
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 *
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 * Baud Rate Calculation (BRGH = 0):
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 * Baud Rate = PerfBusFreq / (16 * (BRG + 1))
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 * BRG = PerfBusFreq / (16 * Baud Rate) - 1
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 *
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 * Baud Rate Calculation (BRGH = 1):
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 * Baud Rate = PerfBusFreq / (4 * (BRG + 1))
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 * BRG = PerfBusFreq / (4 * Baud Rate) - 1
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 */
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void UART1_Init(UART1_DATA *data, void (*rx_callback)(char)) {
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void UART1_Init(UART1_DATA *data, void (*rx_callback)(char)) {
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    uart_data_ptr = data;
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    uart_data_ptr = data;
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    uart_data_ptr->rx_callback = rx_callback;
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    uart_data_ptr->rx_callback = rx_callback;
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    uart_data_ptr->buffer_out_len = 0;
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    uart_data_ptr->buffer_out_len = 0;
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    uart_data_ptr->buffer_out_ind = 0;
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    uart_data_ptr->buffer_out_ind = 0;
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    IFS0CLR   = 0x1C000000; // Clear any existing events
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    IFS0CLR   = 0x1C000000; // Clear any existing events
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    IPC6SET   = 0x00000009; // Set Priority = 2, Subpriority = 1
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    IPC6SET   = 0x00000009; // Set Priority = 2, Subpriority = 1
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    U1MODE    = 0x00008000; // UART enabled, BRGH = 0
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    U1MODE    = 0x00008000; // UART enabled, BRGH = 0
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    U1STA     = 0x00009400; // TX interrupt on buffer empty, RX interrupt on buffer not empty
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    U1STA     = 0x00009400; // TX interrupt on buffer empty, RX interrupt on buffer not empty
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    U1BRG     = 19;         // Set baud rate to 256000 @ 80MHz
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    U1BRG     = 42;         // Set baud rate to 115200 @ 80MHz
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    IEC0SET   = 0x0C000000; // Enable the RX and Error interrupts
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    IEC0SET   = 0x0C000000; // Enable the RX and Error interrupts
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    INTEnableInterrupts();
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    INTEnableInterrupts();
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    TRISDbits.TRISD14 = 0;
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    TRISDbits.TRISD14 = 0;
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        }
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        }
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        IFS0CLR = 0x08000000; // Clear the recieve flag
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        IFS0CLR = 0x08000000; // Clear the recieve flag
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    }
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    }
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    // Process UART1 transmit flag
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    // Process UART1 transmit flag
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    if (IFS0bits.U1TXIF) {
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    if (IFS0bits.U1TXIF && IEC0bits.U1TXIE) {
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        // Disable the transmit interrupt if all data has been sent
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        // Disable the transmit interrupt if all data has been sent
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        if (uart_data_ptr->buffer_out_ind == uart_data_ptr->buffer_out_len) {
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        if (uart_data_ptr->buffer_out_ind == uart_data_ptr->buffer_out_len) {
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            IEC0CLR = 0x10000000;
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            IEC0CLR = 0x10000000;
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            uart_data_ptr->buffer_out_len = 0;
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            uart_data_ptr->buffer_out_len = 0;
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        } else {
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        } else {