/* Gets a character from the UART, returns EOF if no character is ready */
int Board_UARTGetChar(void)
{
#if defined(DEBUG_UART)
uint8_t ch;
if (Chip_UART_Read(DEBUG_UART, &ch, 1) == 1) {
return (int) ch;
}
#endif
return EOF;
}
/* Gets a character from the UART, returns EOF if no character is ready */
int Board_UARTGetChar(void)
{
#if defined(DEBUG_UART)
uint8_t data;
if (Chip_UART_Read(DEBUG_UART, &data, 1) == 1) {
return (int) data;
}
#endif
return EOF;
}
/* Read data through the UART peripheral (blocking) */
int Chip_UART_ReadBlocking(LPC_USART_T *pUART, void *data, int numBytes)
{
int pass, readBytes = 0;
uint8_t *p8 = (uint8_t *) data;
while (readBytes < numBytes) {
pass = Chip_UART_Read(pUART, p8, numBytes);
numBytes -= pass;
readBytes += pass;
p8 += pass;
}
return readBytes;
}
/**
* @brief UART interrupt handler sub-routine
* @return Nothing
*/
void UART_IRQHandler(void)
{
uint32_t count = 0;
/* Handle transmit interrupt if enabled */
if (LPC_USART->IER & UART_IER_THREINT) {
if (g_uCOM.txBuf_count > 0) {
count = Chip_UART_Send(LPC_USART, &g_uCOM.txBuf[g_uCOM.txBuf_uartIndex], g_uCOM.txBuf_count);
g_uCOM.txBuf_count -= count;
g_uCOM.txBuf_uartIndex += count;
}
/* If usbRxBuf empty check if any packet pending USB EP RAM */
if (g_uCOM.txBuf_count < 1) {
if (g_uCOM.usbRxPending > 0) {
g_uCOM.usbRxPending--;
g_uCOM.txBuf_count = USBD_API->hw->ReadEP(g_uCOM.hUsb, USB_CDC_OUT_EP, g_uCOM.txBuf);
g_uCOM.txBuf_uartIndex = 0;
}
else {
/* all data transmitted on UART disable UART_IER_THREINT */
Chip_UART_IntDisable(LPC_USART, UART_IER_THREINT);
}
}
}
/* Handle receive interrupt */
count = Chip_UART_Read(LPC_USART, &g_uCOM.rxBuf[g_uCOM.rxBuf_uartIndex], UCOM_BUF_SZ - g_uCOM.rxBuf_uartIndex);
if (count) {
/* Note, following logic works if UCOM_BUF_SZ is 2^n size only. */
g_uCOM.rxBuf_uartIndex = (g_uCOM.rxBuf_uartIndex + count) & (UCOM_BUF_SZ - 1);
/* If USB Tx is not busy kick start USB Tx */
if (g_uCOM.usbTxBusy == 0) {
g_uCOM.usbTxBusy = 1;
count = USBD_API->hw->WriteEP(g_uCOM.hUsb, USB_CDC_IN_EP, &g_uCOM.rxBuf[g_uCOM.rxBuf_usbIndex], count);
g_uCOM.rxBuf_usbIndex = (g_uCOM.rxBuf_usbIndex + count) & (UCOM_BUF_SZ - 1);
}
}
}
void UART_IRQHandler(UCOM_DATA_T *pUcom )
{
uint32_t count = 0;
/* Handle transmit interrupt if enabled */
if (pUcom->selected->IER & UART_IER_THREINT) {
if (pUcom->txBuf_count > 0) {
count = Chip_UART_Send(pUcom->selected, &pUcom->txBuf[pUcom->txBuf_uartIndex], pUcom->txBuf_count);
pUcom->txBuf_count -= count;
pUcom->txBuf_uartIndex += count;
}
/* If usbRxBuf empty check if any packet pending USB EP RAM */
if (pUcom->txBuf_count < 1) {
if ((pUcom->usbRxPending > 0) && USB_IsConfigured(pUcom->hUsb)) {
pUcom->usbRxPending--;
pUcom->txBuf_count = USBD_API->hw->ReadEP(pUcom->hUsb, pUcom->outEndpoint, pUcom->txBuf);
pUcom->txBuf_uartIndex = 0;
}
else {
/* all data transmitted on UART disable UART_IER_THREINT */
Chip_UART_IntDisable(pUcom->selected, UART_IER_THREINT);
}
}
}
/* Handle receive interrupt */
count = Chip_UART_Read(pUcom->selected, &pUcom->rxBuf[pUcom->rxBuf_uartIndex], UCOM_BUF_SZ - pUcom->rxBuf_uartIndex);
if (count) {
/* Note, following logic works if UCOM_BUF_SZ is 2^n size only. */
pUcom->rxBuf_uartIndex = (pUcom->rxBuf_uartIndex + count) & (UCOM_BUF_SZ - 1);
/* If USB Tx is not busy kick start USB Tx */
if ((pUcom->usbTxBusy == 0) && USB_IsConfigured(pUcom->hUsb)) {
pUcom->usbTxBusy = 1;
count = USBD_API->hw->WriteEP(pUcom->hUsb, pUcom->inEndpoint, &pUcom->rxBuf[pUcom->rxBuf_usbIndex], count);
pUcom->rxBuf_usbIndex = (pUcom->rxBuf_usbIndex + count) & (UCOM_BUF_SZ - 1);
}
}
}
int8_t Board_UART_Read(void *data, uint8_t num_bytes) {
return Chip_UART_Read(LPC_USART, data, num_bytes);
}
int main(void) {
if (Board_SysTick_Init()) {
while(1);
}
Board_LEDs_Init();
Board_LED_On(LED0);
Board_ADC_Init();
uint16_t tps_data = 0;
int16_t tps_error = 0;
Board_UART_Init(9600);
DEBUG_Print("Started up\n\r");
RingBuffer_Init(&rx_buffer, _rx_buffer, sizeof(CCAN_MSG_OBJ_T), 8);
RingBuffer_Flush(&rx_buffer);
Board_CAN_Init(TEST_CCAN_BAUD_RATE, CAN_rx, CAN_tx, CAN_error);
msg_obj.msgobj = 1;
msg_obj.mode_id = 0x301;
msg_obj.mask = 0x000;
LPC_CCAN_API->config_rxmsgobj(&msg_obj);
can_error_flag = false;
can_error_info = 0;
bool send = false;
while (1) {
Board_TPS_ADC_Read(&tps_data);
// itoa(tps_data,tx_buffer_str,10);
// DEBUG_Print("TPS_DATA:");
// DEBUG_Print(tx_buffer_str);
// DEBUG_Print("\r\n");
if (!RingBuffer_IsEmpty(&rx_buffer)) {
CCAN_MSG_OBJ_T temp_msg;
RingBuffer_Pop(&rx_buffer, &temp_msg);
DEBUG_Print("Received Message ID: 0x");
itoa(temp_msg.mode_id, str, 16);
DEBUG_Print(str);
DEBUG_Print("\r\n");
}
if (can_error_flag) {
can_error_flag = false;
DEBUG_Print("CAN Error: 0b");
itoa(can_error_info, str, 2);
DEBUG_Print(str);
DEBUG_Print("\r\n");
}
if (send) {
DEBUG_Print("Sending CAN with ID: 0x301\r\n");
msg_obj.msgobj = 2;
msg_obj.mode_id = 0x301;
msg_obj.dlc = 4;
msg_obj.data[0] = tps_data>>2;
msg_obj.data[1] = (uint8_t) 0x00;
msg_obj.data[2] = (uint8_t) tps_error;
LPC_CCAN_API->can_transmit(&msg_obj);
Board_UART_PrintNum(msg_obj.data[0],10,true);
Board_UART_PrintNum(msg_obj.data[1],10,true);
Board_UART_PrintNum(msg_obj.data[2],10,true);
}
uint8_t count;
count = Chip_UART_Read(LPC_USART, uart_rx_buf, UART_RX_BUFFER_SIZE);
if (count != 0) {
switch (uart_rx_buf[0]) {
case 'a':
send = true;
break;
case 'z':
send = false;
break;
case 'r':
DEBUG_Print("Sending CAN with ID: 0x301\r\n");
msg_obj.msgobj = 2;
msg_obj.mode_id = 0x301;
msg_obj.dlc = 2;
msg_obj.data[0] = tps_data;
msg_obj.data[1] = tps_error;
LPC_CCAN_API->can_transmit(&msg_obj);
Board_UART_PrintNum(msg_obj.data[0],10,true);
Board_UART_PrintNum(msg_obj.data[1],10,true);
break;
default:
DEBUG_Print("Invalid Command\r\n");
break;
}
}
}
}
/**
* @details Where all the magic happens
* @return Shouldn't return
*/
int main(void) {
Init_Core();
Init_SM();
Init_Board();
Init_Globals();
Init_CAN();
Init_Timers();
// ------------------------------------------------
// Begin
DEBUG_Print("Started Up\r\n");
while(1) {
uint8_t count;
if ((count = Chip_UART_Read(LPC_USART, Rx_Buf, UART_RX_BUF_SIZE)) != 0) {
switch (Rx_Buf[0]) {
case 'a': // Print out Brusa Mains Info
DEBUG_Print("Actual Mains Voltage: ");
itoa(brusa_actual_1.mains_mVolts, str, 10);
DEBUG_Print(str);
DEBUG_Print("\r\n");
DEBUG_Print("Mains type: ");
itoa(brusa_actual_1.mains_cAmps, str, 10);
DEBUG_Print(str);
DEBUG_Print("\r\n");
DEBUG_Print("Temp: ");
itoa((brusa_temp.power_temp / 10) - 40 , str, 10);
DEBUG_Print(str);
DEBUG_Print("\r\n");
DEBUG_Print("Temp: 0x");
itoa(brusa_temp.power_temp , str, 16);
DEBUG_Print(str);
DEBUG_Print("\r\n");
break;
case 'b': // Print out Actual Brusa Output
DEBUG_Print("Actual Out Voltage: ");
itoa(brusa_actual_1.output_mVolts, str, 10);
DEBUG_Println(str);
DEBUG_Print("Actual Out Current: ");
itoa(brusa_actual_1.output_cAmps, str, 10);
DEBUG_Println(str);
break;
case 'f': // Print out Pack State
itoa(pack_state.pack_min_mVolts, str, 10);
DEBUG_Print("Pack Min Voltage: ");
DEBUG_Print(str);
DEBUG_Print("\r\n");
itoa(pack_state.pack_max_mVolts, str, 10);
DEBUG_Print("Pack Max Voltage: ");
DEBUG_Print(str);
DEBUG_Print("\r\n");
break;
case 'y': // Print out Module Balance State
itoa(PackManager_GetExtModId(0), str, 16);
DEBUG_Print("Mod 0x");
DEBUG_Print(str);
itoa(PackManager_GetExtBal(0), str, 2);
DEBUG_Print(": 0b");
DEBUG_Println(str);
itoa(PackManager_GetExtModId(1), str, 16);
DEBUG_Print("Mod 0x");
DEBUG_Print(str);
itoa(PackManager_GetExtBal(1), str, 2);
DEBUG_Print(": 0b");
DEBUG_Println(str);
break;
case 'e':
itoa(brusa_error,str, 2);
DEBUG_Println(str);
break;
case 'm': // Print out charge mode and brusa error
DEBUG_Print("Charge Mode: ");
itoa(Charge_GetMode(), str, 10);
DEBUG_Println(str);
DEBUG_Print("Error Messages: ");
itoa((uint64_t)brusa_error, str, 2);
DEBUG_Println(str);
break;
default:
DEBUG_Print("Unknown Command\r\n");
}
}
//-----------------------------
// Detect Input Changes (Default to IDLE)
MODE_INPUT_T inp = INP_IDLE;
if (!Board_Switch_Read()) {
inp = INP_CHRG;
} else {
inp = INP_IDLE;
}
//-----------------------------
// Update pack_state
pack_state.contactors_closed = Board_Contactors_Closed();
pack_state.msTicks = msTicks;
pack_state.brusa_error = brusa_error;
pack_state.pack_cAmps_in = brusa_actual_1.output_cAmps;
//-----------------------------
// SSM Step
ERROR_T result = SSM_Step(&pack_state, inp, &out_state);
if (result != ERROR_NONE) {
_error(result, true, false);
}
//-----------------------------
// Check if SSM has Changed State
// Currently only changes Poll Frequency
// [TODO] Set a status LED!!
if (SSM_GetMode() != mode) {
mode = SSM_GetMode();
switch (SSM_GetMode()) {
case IDLE:
Chip_TIMER_SetMatch(LPC_TIMER32_1, 0, Hertz2Ticks(BCM_POLL_IDLE_FREQ));
Chip_TIMER_Reset(LPC_TIMER32_1); // Otherwise shit gets F****D
break;
case CHARGING:
Chip_TIMER_SetMatch(LPC_TIMER32_1, 0, Hertz2Ticks(BCM_POLL_CHARGING_FREQ));
Chip_TIMER_Reset(LPC_TIMER32_1);
break;
case DRAINING:
Chip_TIMER_SetMatch(LPC_TIMER32_1, 0, Hertz2Ticks(BCM_POLL_DRAINING_FREQ));
Chip_TIMER_Reset(LPC_TIMER32_1);
break;
}
}
//-----------------------------
// Carry out out_state
if (out_state.close_contactors && !Board_Contactors_Closed()) {
Board_Close_Contactors(true);
} else if (!out_state.close_contactors && Board_Contactors_Closed()) {
Board_Close_Contactors(false);
}
if (out_state.brusa_output) {
brusa_control.clear_error = out_state.brusa_clear_latch;
brusa_control.output_mVolts = out_state.brusa_mVolts;
brusa_control.output_cAmps = out_state.brusa_cAmps;
Chip_TIMER_Enable(LPC_TIMER32_0);
} else {
brusa_control.output_mVolts = 0;
brusa_control.output_cAmps = 0;
Chip_TIMER_Disable(LPC_TIMER32_0);
}
//-----------------------------
// Retrieve available brusa messages
int8_t tmp = MCP2515_GetFullReceiveBuffer();
int8_t res = 0;
if (tmp == 2) {
MCP2515_ReadBuffer(&mcp_msg_obj, 0);
res = Brusa_Decode(&brusa_messages, &mcp_msg_obj);
if (res == -1) {
DEBUG_Println("Brusa Decode Error");
res = 0;
}
MCP2515_ReadBuffer(&mcp_msg_obj, 1);
res = Brusa_Decode(&brusa_messages, &mcp_msg_obj);
} else if (tmp == 0) { // Receive Buffer 0 Full
MCP2515_ReadBuffer(&mcp_msg_obj, tmp);
res = Brusa_Decode(&brusa_messages, &mcp_msg_obj);
} else if (tmp == 1) { //Receive buffer 1 full
MCP2515_ReadBuffer(&mcp_msg_obj, tmp);
res = Brusa_Decode(&brusa_messages, &mcp_msg_obj);
}
if (res == -1) {
DEBUG_Println("Brusa Decode Error");
res = 0;
}
//-----------------------------
// Send brusa message if its time
if (brusa_message_send) {
brusa_message_send = false;
Brusa_MakeCTL(&brusa_control, &mcp_msg_obj);
MCP2515_LoadBuffer(0, &mcp_msg_obj);
MCP2515_SendBuffer(0);
}
//-----------------------------
// Check for and decode A123 Messages
if (!RingBuffer_IsEmpty(&rx_buffer)) {
CCAN_MSG_OBJ_T temp_msg;
RingBuffer_Pop(&rx_buffer, &temp_msg);
res = PackManager_Update(&temp_msg);
if (new_std_msg_sent) {
PackManager_Commit(&pack_state);
new_std_msg_sent = false;
}
}
if (res == -1) {
DEBUG_Println("A123 Decode Error");
}
//-----------------------------
// Timed output
if (msTicks - last_debug_message > TIMED_MESSAGE_DELAY) {
message_count++;
last_debug_message = msTicks;
switch (message_count % 7) {
case 0:
if (out_state.balance) {
itoa(mbb_cmd.balance_target_mVolts, str, 10);
DEBUG_Print("Balancing to: ");
DEBUG_Println(str);
} else {
DEBUG_Println("Not balancing");
}
break;
case 1:
itoa(brusa_control.output_mVolts, str, 10);
DEBUG_Print("Brusa out V: ");
DEBUG_Println(str);
break;
case 2:
itoa(brusa_control.output_cAmps, str, 10);
DEBUG_Print("Brusa out C: ");
DEBUG_Println(str);
break;
case 3:
DEBUG_Print("Actual Out Voltage: ");
itoa(brusa_actual_1.output_mVolts, str, 10);
DEBUG_Println(str);
break;
case 4:
DEBUG_Print("Actual Out Current: ");
itoa(brusa_actual_1.output_cAmps, str, 10);
DEBUG_Println(str);
break;
case 5:
DEBUG_Print("Mode: ");
DEBUG_Println((SSM_GetMode() == CHARGING) ? "Chrg":"Idle");
break;
case 6:
DEBUG_Print("Brusa Output: ");
itoa(out_state.brusa_output, str, 2);
DEBUG_Println(str);
DEBUG_Print("\r\n");
break;
}
}
}
return 0;
}
/**
* @brief Main UART program body
* @return Always returns -1
*/
int main(void)
{
FlagStatus exitflag;
uint8_t buffer[10];
int ret = 0;
int len;
SystemCoreClockUpdate();
Board_Init();
Board_UART_Init(LPC_UART);
#if !((defined(CHIP_LPC43XX) && defined(BOARD_KEIL_MCB_18574357) && UARTNum==3) || ((!(defined(CHIP_LPC43XX) && defined(BOARD_KEIL_MCB_18574357))) && UARTNum==0))
Chip_UART_Init(LPC_UART);
Chip_UART_SetBaud(LPC_UART, 115200);
Chip_UART_ConfigData(LPC_UART, UART_LCR_WLEN8 | UART_LCR_SBS_1BIT); /* Default 8-N-1 */
/* Enable UART Transmit */
Chip_UART_TXEnable(LPC_UART);
#endif
/* Reset FIFOs, Enable FIFOs and DMA mode in UART */
Chip_UART_SetupFIFOS(LPC_UART, (UART_FCR_FIFO_EN | UART_FCR_RX_RS |
UART_FCR_TX_RS | UART_FCR_DMAMODE_SEL | UART_FCR_TRG_LEV0));
/* Enable UART End of Auto baudrate & Auto baudrate timeout interrupts */
Chip_UART_IntEnable(LPC_UART, (UART_IER_ABEOINT | UART_IER_ABTOINT));
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(UARTx_IRQn, 1);
/* Enable Interrupt for UART0 channel */
NVIC_EnableIRQ(UARTx_IRQn);
/* Send UART Autobaud completed message */
Chip_UART_SendBlocking(LPC_UART, uartABStart, sizeof(uartABStart));
/* ---------------------- Auto baud rate section ----------------------- */
/* Start auto baudrate mode */
Chip_UART_ABCmd(LPC_UART, UART_ACR_MODE0, true, ENABLE);
/* Loop until auto baudrate mode complete */
while (Chip_UART_GetABEOStatus(LPC_UART) == RESET) {}
/* Send UART Autobaud completed message */
Chip_UART_SendBlocking(LPC_UART, uartABComplete, sizeof(uartABComplete));
/* Disable UART Interrupt */
NVIC_DisableIRQ(UARTx_IRQn);
/* Print welcome screen */
Print_Menu_Polling();
exitflag = RESET;
/* Read some data from the buffer */
while (exitflag == RESET) {
len = 0;
while (len == 0) {
len = Chip_UART_Read(LPC_UART, buffer, 1);
}
if (buffer[0] == 27) {
/* ESC key, set exit flag */
Chip_UART_SendBlocking(LPC_UART, uartPolling_menu3, sizeof(uartPolling_menu3));
ret = -1;
exitflag = SET;
}
else if (buffer[0] == 'c') {
Chip_UART_SendBlocking(LPC_UART, uartPolling_menu4, sizeof(uartPolling_menu4));
len = 0;
while (len == 0) {
len = Chip_UART_Read(LPC_UART, buffer, sizeof(buffer));
if ((buffer[0] != '1') && (buffer[0] != '2') && (buffer[0] != '3')) {
len = 0;
}
}
switch (buffer[0]) {
case '1': /* Polling Mode */
Chip_UART_SendBlocking(LPC_UART, uartPolling_menu5, sizeof(uartPolling_menu5));
break;
case '2': /* Interrupt Mode */
ret = 2;
/* Exitflag = SET; */
App_Interrupt_Test();
Print_Menu_Polling();
break;
case '3': /* DMA mode */
ret = 3;
App_DMA_Test();
Print_Menu_Polling();
break;
}
}
}
/* Wait for current transmission complete - THR must be empty */
while (Chip_UART_CheckBusy(LPC_UART) == SET) {}
/* DeInitialize UART0 peripheral */
Chip_UART_DeInit(LPC_UART);
return ret;
}