void bp_adc_continuous_probe(void) { uint16_t measurement; MSG_ADC_VOLTMETER_MODE; MSG_ANY_KEY_TO_EXIT_PROMPT; MSG_ADC_VOLTAGE_PROBE_HEADER; bp_write_voltage(0); MSG_VOLTAGE_UNIT; /* Perform ADC probes until a character is sent to the serial port. */ while (!user_serial_ready_to_read()) { /* Turn the ADC on. */ AD1CON1bits.ADON = ON; /* Perform the measurement. */ measurement = bp_read_adc(BP_ADC_PROBE); /* Turn the ADC off. */ AD1CON1bits.ADON = OFF; /* Erase previous measurement. */ bp_write_string("\x08\x08\x08\x08\x08"); /* Print new measurement. */ bp_write_voltage(measurement); MSG_VOLTAGE_UNIT; } /* Flush the incoming serial buffer. */ user_serial_read_byte(); bpBR; }
void binUART(void) { uint16_t brg_value; uart_settings.databits_parity = 0; uart_settings.stop_bits = 0; uart_settings.receive_polarity = 0; mode_configuration.high_impedance = ON; brg_value = UART_BRG_SPEED[0]; // start at 300bps uart_settings.echo_uart = OFF; uart2_setup(brg_value, mode_configuration.high_impedance, uart_settings.receive_polarity, uart_settings.databits_parity, uart_settings.stop_bits); uart2_enable(); MSG_UART_MODE_IDENTIFIER; for (;;) { uint8_t input_byte; if (uart2_rx_ready()) { if (uart_settings.echo_uart) { user_serial_transmit_character(uart2_rx()); } else { uart2_rx(); } } U2STAbits.OERR = OFF; if (!user_serial_ready_to_read()) { continue; } input_byte = user_serial_read_byte(); switch (input_byte & 0xF0) { case 0: switch (input_byte) { case 0: uart2_disable(); return; case 1: MSG_UART_MODE_IDENTIFIER; break; case 2: REPORT_IO_SUCCESS(); U2STAbits.OERR = OFF; uart_settings.echo_uart = ON; break; case 3: uart_settings.echo_uart = OFF; REPORT_IO_SUCCESS(); break; case 7: REPORT_IO_SUCCESS(); uart2_disable(); brg_value = (uint16_t)user_serial_read_byte() << 8; REPORT_IO_SUCCESS(); brg_value |= user_serial_read_byte(); uart2_setup(brg_value, mode_configuration.high_impedance, uart_settings.receive_polarity, uart_settings.databits_parity, uart_settings.stop_bits); uart2_enable(); REPORT_IO_SUCCESS(); break; case 15: REPORT_IO_SUCCESS(); U2STAbits.OERR = OFF; for (;;) { #ifdef BUSPIRATEV4 if (U2STAbits.URXDA == ON) { user_serial_transmit_character(U2RXREG); } #else if ((U2STAbits.URXDA == 1) && (U1STAbits.UTXBF == 0)) { U1TXREG = U2RXREG; } #endif /* BUSPIRATEV4 */ if (user_serial_ready_to_read() && (U2STAbits.UTXBF == 0)) { U2TXREG = user_serial_read_byte(); } } break; default: REPORT_IO_FAILURE(); break; } break; case 0b00010000: { size_t counter; input_byte &= 0b00001111; input_byte++; REPORT_IO_SUCCESS(); for (counter = 0; counter < input_byte; counter++) { uart2_tx(user_serial_read_byte()); REPORT_IO_SUCCESS(); } break; } case 0b01000000: bp_binary_io_peripherals_set(input_byte); REPORT_IO_SUCCESS(); break; #ifdef BUSPIRATEV4 case 0b01010000: user_serial_transmit_character(bp_binary_io_pullup_control(input_byte)); break; #endif /* BUSPIRATEV4 */ case 0b01100000: input_byte &= 0b00001111; if (input_byte > 0b1010) { input_byte = 0b1010; } brg_value = UART_BRG_SPEED[input_byte]; uart2_disable(); uart2_setup(brg_value, mode_configuration.high_impedance, uart_settings.receive_polarity, uart_settings.databits_parity, uart_settings.stop_bits); uart2_enable(); REPORT_IO_SUCCESS(); break; case 0b10000000: case 0b10010000: uart_settings.databits_parity = 0; uart_settings.stop_bits = 0; uart_settings.receive_polarity = 0; mode_configuration.high_impedance = OFF; if (input_byte & 0b1000) { uart_settings.databits_parity |= 0b10; } if (input_byte & 0b100) { uart_settings.databits_parity |= 0b1; } if (input_byte & 0b10) { uart_settings.stop_bits = 1; } if (input_byte & 0b1) { uart_settings.receive_polarity = 1; } if ((input_byte & 0b10000) == 0) { mode_configuration.high_impedance = ON; } uart2_disable(); uart2_setup(brg_value, mode_configuration.high_impedance, uart_settings.receive_polarity, uart_settings.databits_parity, uart_settings.stop_bits); uart2_enable(); REPORT_IO_SUCCESS(); break; default: REPORT_IO_FAILURE(); break; } } }
void binBB(void) { static unsigned char inByte; unsigned int i; BP_LEDMODE = 1; // light MODE LED binReset(); send_binary_io_mode_identifier(); while (1) { inByte = getRXbyte(); if ((inByte & 0b10000000) == 0) { // if command bit cleared, process command if (inByte == 0) { // reset, send BB version send_binary_io_mode_identifier(); } else if (inByte == 1) { // goto SPI mode binReset(); #ifdef BP_ENABLE_SPI_SUPPORT spi_enter_binary_io(); // go into rawSPI loop #endif /* BP_ENABLE_SPI_SUPPORT */ binReset(); send_binary_io_mode_identifier(); } else if (inByte == 2) { // goto I2C mode binReset(); #ifdef BP_ENABLE_I2C_SUPPORT binary_io_enter_i2c_mode(); #endif /* BP_ENABLE_I2C_SUPPORT */ binReset(); send_binary_io_mode_identifier(); } else if (inByte == 3) { // goto UART mode binReset(); #ifdef BP_ENABLE_UART_SUPPORT binUART(); #endif binReset(); send_binary_io_mode_identifier(); } else if (inByte == 4) { // goto 1WIRE mode binReset(); #ifdef BP_ENABLE_1WIRE_SUPPORT binary_io_enter_1wire_mode(); #endif /* BP_ENABLE_1WIRE_SUPPORT */ binReset(); send_binary_io_mode_identifier(); } else if (inByte == 5) { // goto RAW WIRE mode binReset(); binwire(); binReset(); send_binary_io_mode_identifier(); } else if (inByte == 6) { // goto OpenOCD mode binReset(); #ifdef BP_JTAG_OPENOCD_SUPPORT binOpenOCD(); #endif /* BP_JTAG_OPENOCD_SUPPORT */ binReset(); send_binary_io_mode_identifier(); } else if (inByte == 7) { // goto pic mode binReset(); #ifdef BP_ENABLE_PIC_SUPPORT binpic(); #endif /* BP_ENABLE_PIC_SUPPORT */ binReset(); send_binary_io_mode_identifier(); } else if (inByte == 0b1111) { // return to terminal user_serial_transmit_character(1); BP_LEDMODE = 0; // light MODE LED user_serial_wait_transmission_done(); // wait untill TX finishes #ifndef BUSPIRATEV4 asm("RESET"); #endif #ifdef BUSPIRATEV4 // cannot use ASM reset on BPv4 binReset(); return; #endif // self test is only for v2go and v3 } else if (inByte == 0b10000) { // short self test binSelfTest(0); } else if (inByte == 0b10001) { // full self test with jumpers binSelfTest(1); } else if (inByte == 0b10010) { // setup PWM // cleanup timers from FREQ measure T2CON = 0; // 16 bit mode T4CON = 0; OC5CON = 0; // clear PWM settings BP_AUX_RPOUT = OC5_IO; // setup pin // get one byte i = getRXbyte(); if (i & 0b10) T2CONbits.TCKPS1 = 1; // set prescalers if (i & 0b1) T2CONbits.TCKPS0 = 1; // get two bytes i = (getRXbyte() << 8); i |= getRXbyte(); OC5R = i; // Write duty cycle to both registers OC5RS = i; OC5CON = 0x6; // PWM mode on OC, Fault pin disabled // get two bytes i = (getRXbyte() << 8); i |= getRXbyte(); PR2 = i; // write period T2CONbits.TON = 1; // Start Timer2 user_serial_transmit_character(1); } else if (inByte == 0b10011) { // clear PWM T2CON = 0; // stop Timer2 OC5CON = 0; BP_AUX_RPOUT = 0; // remove output from AUX pin user_serial_transmit_character(1); // ADC only for v1, v2, v3 } else if (inByte == 0b10100) { // ADC reading (x/1024)*6.6volts AD1CON1bits.ADON = 1; // turn ADC ON i = bp_read_adc(BP_ADC_PROBE); // take measurement AD1CON1bits.ADON = 0; // turn ADC OFF user_serial_transmit_character((i >> 8)); // send upper 8 bits user_serial_transmit_character(i); // send lower 8 bits } else if (inByte == 0b10101) { // ADC reading (x/1024)*6.6volts AD1CON1bits.ADON = 1; // turn ADC ON while (1) { i = bp_read_adc(BP_ADC_PROBE); // take measurement user_serial_wait_transmission_done(); user_serial_transmit_character((i >> 8)); // send upper 8 bits // while(UART1TXRdy==0); user_serial_transmit_character(i); // send lower 8 bits if (user_serial_ready_to_read() == 1) { // any key pressed, exit i = user_serial_read_byte(); // /* JTR usb port; */; break; } } AD1CON1bits.ADON = 0; // turn ADC OFF } else if (inByte == 0b10110) { // binary frequency count access
void uart_run_macro(const uint16_t macro) { switch (macro) { case UART_MACRO_MENU: MSG_UART_MACRO_MENU; break; case UART_MACRO_BRIDGE_WITH_FLOW_CONTROL: #ifdef BUSPIRATEV3 /* FTDI CTS and RTS setup. */ FTDI_CTS_DIR = OUTPUT; FTDI_RTS_DIR = INPUT; /* External CTS and RTS setup. */ BP_CS_DIR = INPUT; BP_CLK_DIR = OUTPUT; #else /* Do nothing for v4? */ #endif /* BUSPIRATEV3 */ /* Intentional fall-through. */ case UART_MACRO_TRANSPARENT_BRIDGE: MSG_UART_BRIDGE; MSG_UART_BRIDGE_EXIT; if (!agree()) { break; } /* Make terminal speed match target speed to avoid overruns? */ /* Clear overrun flag. */ U2STAbits.OERR = OFF; for (;;) { #ifdef BUSPIRATEV4 if (BP_BUTTON_ISDOWN()) { break; } if (U2STAbits.URXDA == ON) { user_serial_transmit_character(U2RXREG); } #else if ((U2STAbits.URXDA == ON) && (U1STAbits.UTXBF == OFF)) { U1TXREG = U2RXREG; } #endif /* BUSPIRATEV4 */ if (user_serial_ready_to_read() && (U2STAbits.UTXBF == OFF)) { U2TXREG = user_serial_read_byte(); } #ifdef BUSPIRATEV3 if (U2STAbits.OERR || U1STAbits.OERR) { U2STAbits.OERR = OFF; U1STAbits.OERR = OFF; BP_LEDMODE = LOW; } #else if (U2STAbits.OERR) { U2STAbits.OERR = OFF; BP_LEDMODE = LOW; } #endif /* BUSPIRATEV3 */ #ifdef BUSPIRATEV3 if (macro == UART_MACRO_BRIDGE_WITH_FLOW_CONTROL) { /* Relay flow control bits. */ BP_CLK = FTDI_RTS; FTDI_CTS = BP_CS; } #endif /* BUSPIRATEV3 */ } break; case UART_MACRO_RAW_UART: MSG_UART_RAW_UART_INPUT; MSG_ANY_KEY_TO_EXIT_PROMPT; U2STAbits.OERR = OFF; for (;;) { #ifdef BUSPIRATEV4 if (BP_BUTTON_ISDOWN()) { break; } if (uart2_rx_ready()) { user_serial_transmit_character(uart2_rx()); } #else if ((U2STAbits.URXDA == ON) && (U1STAbits.UTXBF == OFF)) { U1TXREG = U2RXREG; } #endif /* BUSPIRATEV4 */ if (user_serial_ready_to_read()) { volatile uint16_t dummy; dummy = user_serial_read_byte(); break; } } break; case UART_MACRO_AUTO_BAUD_RATE_DETECTION: uart2_disable(); uart_get_baud_rate(false); uart2_enable(); #ifdef BUSPIRATEV3 if (U2BRG < U1BRG) { MSG_UART_POSSIBLE_OVERFLOW; } #endif /* BUSPIRATEV3 */ break; default: MSG_UNKNOWN_MACRO_ERROR; break; } }