| 1,6 → 1,7 |
|---|
| #include "maindefs.h" |
| #include "uart.h" |
| #include "i2c.h" |
| #include "spi.h" |
| #include "interrupts.h" |
| |
| //---------------------------------------------------------------------------- |
| 18,8 → 19,9 |
|---|
| // High priority interrupts |
| IPR1bits.RC1IP = 1; // USART1 RX interrupt |
| IPR1bits.TX1IP = 1; // USART1 TX interrupt |
| // IPR3bits.RC2IP = 1; // USART2 RX interrupt |
| IPR1bits.SSPIP = 1; // I2C interrupt |
| // IPR3bits.RC2IP = 1; // USART2 RX interrupt |
| IPR1bits.SSPIP = 1; // I2C interrupt |
| IPR3bits.SSP2IP = 1; // MSSP2 (SPI2) interrupt |
| |
| // Low priority interrupts |
| |
| 101,6 → 103,28 |
|---|
| // We need to check the interrupt flag of each enabled high-priority interrupt to |
| // see which device generated this interrupt. Then we can call the correct handler. |
| |
| // Check to see if we have an SPI2 interrupt |
| if (PIR3bits.SSP2IF) { |
| // Call the handler |
| SPI2_Recv_Interrupt_Handler(); |
| |
| // Clear the interrupt flag |
| PIR3bits.SSP2IF = 0; |
| |
| return; |
| } |
| |
| // Check to see if we have an I2C interrupt |
| if (PIR1bits.SSPIF) { |
| // Call the handler |
| I2C_Interrupt_Handler(); |
| |
| // Clear the interrupt flag |
| PIR1bits.SSPIF = 0; |
| |
| return; |
| } |
| |
| // Check to see if we have an interrupt on USART1 RX |
| if (PIR1bits.RC1IF) { |
| // Call the interrupt handler |
| 112,6 → 136,7 |
|---|
| return; |
| } |
| |
| #ifndef _DEBUG // Disable UART1 TX interrupt for debug mode (using printf) |
| // Check to see if we have an interrupt on USART1 TX |
| if (PIR1bits.TX1IF) { |
| // Call the interrupt handler |
| 122,6 → 147,7 |
|---|
| |
| return; |
| } |
| #endif |
| |
| // // Check to see if we have an interrupt on USART2 RX |
| // if (PIR3bits.RC2IF) { |
| 132,17 → 158,6 |
|---|
| // // Clear the interrupt flag |
| // PIR3bits.RC2IF = 0; |
| // } |
| |
| // Check to see if we have an I2C interrupt |
| if (PIR1bits.SSPIF) { |
| // Call the handler |
| I2C_Interrupt_Handler(); |
| |
| // Clear the interrupt flag |
| PIR1bits.SSPIF = 0; |
| |
| return; |
| } |
| } |
| |
| //---------------------------------------------------------------------------- |