| 29,11 → 29,22 |
|---|
| // Note: Automatically overrides any other pin settings |
| I2C1CONSET = 0x00008040; |
| I2C1ADD = address; |
| if (!speed) I2C1BRG = 0x05A; // Operate at 400kHZ (80MHz) |
| else I2C1BRG = 0x186; // Operate at 100kHZ (80MHz) |
| if (speed == 0x01) { |
| I2C1BRG = 0x0BE; // Operate at 200kHZ (80MHz) |
| I2C1CONbits.DISSLW = 0; // Slew rate control enabled |
| } else if (speed == 0x02) { |
| I2C1BRG = 0x05A; // Operate at 400kHZ (80MHz) |
| I2C1CONbits.DISSLW = 1; // Slew rate control disabled |
| } else if (speed == 0x03) { |
| I2C1BRG = 0x020; // Operate at 1MHz (80MHz) |
| I2C1CONbits.DISSLW = 1; // Slew rate control disabled |
| } else { |
| I2C1BRG = 0x186; // Operate at 100kHZ (80MHz) |
| I2C1CONbits.DISSLW = 0; // Slew rate control enabled |
| } |
| IFS0CLR = 0xE0000000; // Clear any existing events |
| IPC6CLR = 0x00001F00; // Reset priority levels |
| IPC6SET = 0x00001500; // Set IPL=5, Subpriority 1 |
| IPC6SET = 0x00001600; // Set IPL=6, Subpriority 2 |
| IEC0SET = 0xE0000000; // Enable I2C1 interrupts |
| |
| INTEnableInterrupts(); |
| 249,7 → 260,8 |
|---|
| // Check if ACK is received or not |
| if (!I2C1STATbits.ACKSTAT) { |
| // If an ACK is received, send first byte of data |
| I2C1TRN = i2c_data_p->buffer_in[0]; |
| uint8_t to_send = i2c_data_p->buffer_in[0]; |
| I2C1TRN = to_send; |
| i2c_data_p->operating_state = I2C1_CHECK_ACK_RESTART; |
| } else { |
| // If a NACK is received, stop transmission and send error |