Merge pull request #7786 from Bob-the-Kuhn/2.0-compile-issue-fix
2.0.x Re-ARM compile issues - work around
This commit is contained in:
Bob-the-Kuhn
GitHub
commit
de05b2b309
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@ -35,301 +35,606 @@ volatile uint32_t UART0RxQueueWritePos = 0, UART1RxQueueWritePos = 0, UART2RxQue
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volatile uint32_t UART0RxQueueReadPos = 0, UART1RxQueueReadPos = 0, UART2RxQueueReadPos = 0, UART3RxQueueReadPos = 0;
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volatile uint32_t UART0RxQueueReadPos = 0, UART1RxQueueReadPos = 0, UART2RxQueueReadPos = 0, UART3RxQueueReadPos = 0;
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volatile uint8_t dummy;
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volatile uint8_t dummy;
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void HardwareSerial::begin(uint32_t baudrate) {
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void HardwareSerial::begin(uint32_t baudrate) {
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uint32_t Fdiv, pclkdiv, pclk;
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uint32_t Fdiv;
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uint32_t pclkdiv, pclk;
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if (PortNum == 0) {
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if ( PortNum == 0 )
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LPC_PINCON->PINSEL0 &= ~0x000000F0;
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{
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LPC_PINCON->PINSEL0 |= 0x00000050; /* RxD0 is P0.3 and TxD0 is P0.2 */
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LPC_PINCON->PINSEL0 &= ~0x000000F0;
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/* By default, the PCLKSELx value is zero, thus, the PCLK for
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LPC_PINCON->PINSEL0 |= 0x00000050; /* RxD0 is P0.3 and TxD0 is P0.2 */
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all the peripherals is 1/4 of the SystemFrequency. */
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/* By default, the PCLKSELx value is zero, thus, the PCLK for
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/* Bit 6~7 is for UART0 */
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all the peripherals is 1/4 of the SystemFrequency. */
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pclkdiv = (LPC_SC->PCLKSEL0 >> 6) & 0x03;
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/* Bit 6~7 is for UART0 */
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switch (pclkdiv) {
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pclkdiv = (LPC_SC->PCLKSEL0 >> 6) & 0x03;
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case 0x00:
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switch ( pclkdiv )
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default:
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{
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pclk = SystemCoreClock / 4;
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case 0x00:
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break;
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default:
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case 0x01:
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pclk = SystemCoreClock/4;
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pclk = SystemCoreClock;
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break;
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break;
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case 0x01:
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case 0x02:
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pclk = SystemCoreClock;
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pclk = SystemCoreClock / 2;
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break;
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break;
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case 0x02:
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case 0x03:
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pclk = SystemCoreClock/2;
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pclk = SystemCoreClock / 8;
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break;
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break;
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case 0x03:
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pclk = SystemCoreClock/8;
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break;
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}
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LPC_UART0->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
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Fdiv = ( pclk / 16 ) / baudrate ; /*baud rate */
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LPC_UART0->DLM = Fdiv / 256;
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LPC_UART0->DLL = Fdiv % 256;
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LPC_UART0->LCR = 0x03; /* DLAB = 0 */
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LPC_UART0->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
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NVIC_EnableIRQ(UART0_IRQn);
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LPC_UART0->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART0 interrupt */
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}
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else if ( PortNum == 1 )
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{
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LPC_PINCON->PINSEL4 &= ~0x0000000F;
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LPC_PINCON->PINSEL4 |= 0x0000000A; /* Enable RxD1 P2.1, TxD1 P2.0 */
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/* By default, the PCLKSELx value is zero, thus, the PCLK for
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all the peripherals is 1/4 of the SystemFrequency. */
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/* Bit 8,9 are for UART1 */
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pclkdiv = (LPC_SC->PCLKSEL0 >> 8) & 0x03;
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switch ( pclkdiv )
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{
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case 0x00:
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default:
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pclk = SystemCoreClock/4;
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break;
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case 0x01:
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pclk = SystemCoreClock;
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break;
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case 0x02:
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pclk = SystemCoreClock/2;
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break;
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case 0x03:
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pclk = SystemCoreClock/8;
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break;
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}
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LPC_UART1->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
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Fdiv = ( pclk / 16 ) / baudrate ; /*baud rate */
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LPC_UART1->DLM = Fdiv / 256;
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LPC_UART1->DLL = Fdiv % 256;
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LPC_UART1->LCR = 0x03; /* DLAB = 0 */
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LPC_UART1->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
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NVIC_EnableIRQ(UART1_IRQn);
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LPC_UART1->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART1 interrupt */
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}
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else if ( PortNum == 2 )
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{
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//LPC_PINCON->PINSEL4 &= ~0x000F0000; /*Pinsel4 Bits 16-19*/
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//LPC_PINCON->PINSEL4 |= 0x000A0000; /* RxD2 is P2.9 and TxD2 is P2.8, value 10*/
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LPC_PINCON->PINSEL0 &= ~0x00F00000; /*Pinsel0 Bits 20-23*/
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LPC_PINCON->PINSEL0 |= 0x00500000; /* RxD2 is P0.11 and TxD2 is P0.10, value 01*/
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LPC_SC->PCONP |= 1<<24; //Enable PCUART2
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/* By default, the PCLKSELx value is zero, thus, the PCLK for
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all the peripherals is 1/4 of the SystemFrequency. */
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/* Bit 6~7 is for UART3 */
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pclkdiv = (LPC_SC->PCLKSEL1 >> 16) & 0x03;
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switch ( pclkdiv )
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{
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case 0x00:
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default:
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pclk = SystemCoreClock/4;
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break;
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case 0x01:
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pclk = SystemCoreClock;
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break;
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case 0x02:
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pclk = SystemCoreClock/2;
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break;
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case 0x03:
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pclk = SystemCoreClock/8;
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break;
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}
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LPC_UART2->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
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Fdiv = ( pclk / 16 ) / baudrate ; /*baud rate */
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LPC_UART2->DLM = Fdiv / 256;
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LPC_UART2->DLL = Fdiv % 256;
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LPC_UART2->LCR = 0x03; /* DLAB = 0 */
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LPC_UART2->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
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NVIC_EnableIRQ(UART2_IRQn);
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LPC_UART2->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART3 interrupt */
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}
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else if ( PortNum == 3 )
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{
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LPC_PINCON->PINSEL0 &= ~0x0000000F;
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LPC_PINCON->PINSEL0 |= 0x0000000A; /* RxD3 is P0.1 and TxD3 is P0.0 */
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LPC_SC->PCONP |= 1<<4 | 1<<25; //Enable PCUART1
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/* By default, the PCLKSELx value is zero, thus, the PCLK for
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all the peripherals is 1/4 of the SystemFrequency. */
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/* Bit 6~7 is for UART3 */
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pclkdiv = (LPC_SC->PCLKSEL1 >> 18) & 0x03;
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switch ( pclkdiv )
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{
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case 0x00:
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default:
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pclk = SystemCoreClock/4;
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break;
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case 0x01:
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pclk = SystemCoreClock;
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break;
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case 0x02:
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pclk = SystemCoreClock/2;
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break;
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case 0x03:
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pclk = SystemCoreClock/8;
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break;
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}
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LPC_UART3->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
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Fdiv = ( pclk / 16 ) / baudrate ; /*baud rate */
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LPC_UART3->DLM = Fdiv / 256;
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LPC_UART3->DLL = Fdiv % 256;
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LPC_UART3->LCR = 0x03; /* DLAB = 0 */
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LPC_UART3->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
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NVIC_EnableIRQ(UART3_IRQn);
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LPC_UART3->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART3 interrupt */
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}
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}
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int HardwareSerial::read() {
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uint8_t rx;
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if ( PortNum == 0 )
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{
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if (UART0RxQueueReadPos == UART0RxQueueWritePos)
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return -1;
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// Read from "head"
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rx = UART0Buffer[UART0RxQueueReadPos]; // grab next byte
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UART0RxQueueReadPos = (UART0RxQueueReadPos + 1) % UARTRXQUEUESIZE;
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return rx;
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}
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if ( PortNum == 1 )
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{
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if (UART1RxQueueReadPos == UART1RxQueueWritePos)
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return -1;
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// Read from "head"
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rx = UART1Buffer[UART1RxQueueReadPos]; // grab next byte
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UART1RxQueueReadPos = (UART1RxQueueReadPos + 1) % UARTRXQUEUESIZE;
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return rx;
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}
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if ( PortNum == 2 )
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{
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if (UART2RxQueueReadPos == UART2RxQueueWritePos)
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return -1;
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// Read from "head"
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rx = UART2Buffer[UART2RxQueueReadPos]; // grab next byte
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UART2RxQueueReadPos = (UART2RxQueueReadPos + 1) % UARTRXQUEUESIZE;
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return rx;
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}
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if ( PortNum == 3 )
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{
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if (UART3RxQueueReadPos == UART3RxQueueWritePos)
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return -1;
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// Read from "head"
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rx = UART3Buffer[UART3RxQueueReadPos]; // grab next byte
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UART3RxQueueReadPos = (UART3RxQueueReadPos + 1) % UARTRXQUEUESIZE;
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return rx;
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}
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return 0;
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}
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size_t HardwareSerial::write(uint8_t send) {
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if ( PortNum == 0 )
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{
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/* THRE status, contain valid data */
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while ( !(UART0TxEmpty & 0x01) );
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LPC_UART0->THR = send;
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UART0TxEmpty = 0; /* not empty in the THR until it shifts out */
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}
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else if (PortNum == 1)
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{
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/* THRE status, contain valid data */
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while ( !(UART1TxEmpty & 0x01) );
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LPC_UART1->THR = send;
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UART1TxEmpty = 0; /* not empty in the THR until it shifts out */
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}
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else if ( PortNum == 2 )
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{
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/* THRE status, contain valid data */
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while ( !(UART2TxEmpty & 0x01) );
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LPC_UART2->THR = send;
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UART2TxEmpty = 0; /* not empty in the THR until it shifts out */
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}
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else if ( PortNum == 3 )
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{
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/* THRE status, contain valid data */
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while ( !(UART3TxEmpty & 0x01) );
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LPC_UART3->THR = send;
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UART3TxEmpty = 0; /* not empty in the THR until it shifts out */
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}
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return 0;
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}
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int HardwareSerial::available() {
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if ( PortNum == 0 )
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{
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return (UART0RxQueueWritePos + UARTRXQUEUESIZE - UART0RxQueueReadPos) % UARTRXQUEUESIZE;
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}
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if ( PortNum == 1 )
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{
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return (UART1RxQueueWritePos + UARTRXQUEUESIZE - UART1RxQueueReadPos) % UARTRXQUEUESIZE;
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}
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if ( PortNum == 2 )
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{
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return (UART2RxQueueWritePos + UARTRXQUEUESIZE - UART2RxQueueReadPos) % UARTRXQUEUESIZE;
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}
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if ( PortNum == 3 )
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{
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return (UART3RxQueueWritePos + UARTRXQUEUESIZE - UART3RxQueueReadPos) % UARTRXQUEUESIZE;
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}
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return 0;
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}
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void HardwareSerial::flush() {
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if ( PortNum == 0 )
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{
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UART0RxQueueWritePos = 0;
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UART0RxQueueReadPos = 0;
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}
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if ( PortNum == 1 )
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{
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UART1RxQueueWritePos = 0;
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UART1RxQueueReadPos = 0;
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}
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if ( PortNum == 2 )
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{
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UART2RxQueueWritePos = 0;
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UART2RxQueueReadPos = 0;
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}
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if ( PortNum == 3 )
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{
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UART3RxQueueWritePos = 0;
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UART3RxQueueReadPos = 0;
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}
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return;
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}
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void HardwareSerial::printf(const char *format, ...) {
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static char buffer[256];
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va_list vArgs;
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va_start(vArgs, format);
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int length = vsnprintf((char *) buffer, 256, (char const *) format, vArgs);
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va_end(vArgs);
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if (length > 0 && length < 256) {
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for (int i = 0; i < length;) {
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write(buffer[i]);
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++i;
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}
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}
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}
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}
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LPC_UART0->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
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#ifdef __cplusplus
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Fdiv = ( pclk / 16 ) / baudrate ; /*baud rate */
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extern "C" {
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LPC_UART0->DLM = Fdiv / 256;
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#endif
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LPC_UART0->DLL = Fdiv % 256;
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LPC_UART0->LCR = 0x03; /* DLAB = 0 */
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LPC_UART0->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
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NVIC_EnableIRQ(UART0_IRQn);
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/*****************************************************************************
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** Function name: UART0_IRQHandler
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**
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** Descriptions: UART0 interrupt handler
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**
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** parameters: None
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** Returned value: None
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**
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*****************************************************************************/
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void UART0_IRQHandler (void)
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{
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uint8_t IIRValue, LSRValue;
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uint8_t Dummy = Dummy;
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LPC_UART0->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART0 interrupt */
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IIRValue = LPC_UART0->IIR;
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IIRValue >>= 1; /* skip pending bit in IIR */
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IIRValue &= 0x07; /* check bit 1~3, interrupt identification */
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if ( IIRValue == IIR_RLS ) /* Receive Line Status */
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{
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LSRValue = LPC_UART0->LSR;
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/* Receive Line Status */
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if ( LSRValue & (LSR_OE|LSR_PE|LSR_FE|LSR_RXFE|LSR_BI) )
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{
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/* There are errors or break interrupt */
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/* Read LSR will clear the interrupt */
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UART0Status = LSRValue;
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Dummy = LPC_UART0->RBR; /* Dummy read on RX to clear
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interrupt, then bail out */
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return;
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}
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if ( LSRValue & LSR_RDR ) /* Receive Data Ready */
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{
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/* If no error on RLS, normal ready, save into the data buffer. */
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/* Note: read RBR will clear the interrupt */
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if ((UART0RxQueueWritePos+1) % UARTRXQUEUESIZE != UART0RxQueueReadPos)
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{
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UART0Buffer[UART0RxQueueWritePos] = LPC_UART0->RBR;
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UART0RxQueueWritePos = (UART0RxQueueWritePos+1) % UARTRXQUEUESIZE;
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}
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else
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dummy = LPC_UART0->RBR;;
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}
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}
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}
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else if (PortNum == 1) {
|
else if ( IIRValue == IIR_RDA ) /* Receive Data Available */
|
||||||
LPC_PINCON->PINSEL4 &= ~0x0000000F;
|
{
|
||||||
LPC_PINCON->PINSEL4 |= 0x0000000A; /* Enable RxD1 P2.1, TxD1 P2.0 */
|
/* Receive Data Available */
|
||||||
|
if ((UART0RxQueueWritePos+1) % UARTRXQUEUESIZE != UART0RxQueueReadPos)
|
||||||
/* By default, the PCLKSELx value is zero, thus, the PCLK for
|
{
|
||||||
all the peripherals is 1/4 of the SystemFrequency. */
|
UART0Buffer[UART0RxQueueWritePos] = LPC_UART0->RBR;
|
||||||
/* Bit 8,9 are for UART1 */
|
UART0RxQueueWritePos = (UART0RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
pclkdiv = (LPC_SC->PCLKSEL0 >> 8) & 0x03;
|
}
|
||||||
switch (pclkdiv) {
|
else
|
||||||
case 0x00:
|
dummy = LPC_UART1->RBR;;
|
||||||
default:
|
|
||||||
pclk = SystemCoreClock / 4;
|
|
||||||
break;
|
|
||||||
case 0x01:
|
|
||||||
pclk = SystemCoreClock;
|
|
||||||
break;
|
|
||||||
case 0x02:
|
|
||||||
pclk = SystemCoreClock / 2;
|
|
||||||
break;
|
|
||||||
case 0x03:
|
|
||||||
pclk = SystemCoreClock / 8;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
LPC_UART1->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
|
|
||||||
Fdiv = ( pclk / 16 ) / baudrate ; /*baud rate */
|
|
||||||
LPC_UART1->DLM = Fdiv / 256;
|
|
||||||
LPC_UART1->DLL = Fdiv % 256;
|
|
||||||
LPC_UART1->LCR = 0x03; /* DLAB = 0 */
|
|
||||||
LPC_UART1->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
|
|
||||||
|
|
||||||
NVIC_EnableIRQ(UART1_IRQn);
|
|
||||||
|
|
||||||
LPC_UART1->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART1 interrupt */
|
|
||||||
}
|
}
|
||||||
else if (PortNum == 2) {
|
else if ( IIRValue == IIR_CTI ) /* Character timeout indicator */
|
||||||
//LPC_PINCON->PINSEL4 &= ~0x000F0000; /*Pinsel4 Bits 16-19*/
|
{
|
||||||
//LPC_PINCON->PINSEL4 |= 0x000A0000; /* RxD2 is P2.9 and TxD2 is P2.8, value 10*/
|
/* Character Time-out indicator */
|
||||||
LPC_PINCON->PINSEL0 &= ~0x00F00000; /*Pinsel0 Bits 20-23*/
|
UART0Status |= 0x100; /* Bit 9 as the CTI error */
|
||||||
LPC_PINCON->PINSEL0 |= 0x00500000; /* RxD2 is P0.11 and TxD2 is P0.10, value 01*/
|
|
||||||
|
|
||||||
LPC_SC->PCONP |= 1 << 24; //Enable PCUART2
|
|
||||||
/* By default, the PCLKSELx value is zero, thus, the PCLK for
|
|
||||||
all the peripherals is 1/4 of the SystemFrequency. */
|
|
||||||
/* Bit 6~7 is for UART3 */
|
|
||||||
pclkdiv = (LPC_SC->PCLKSEL1 >> 16) & 0x03;
|
|
||||||
switch (pclkdiv) {
|
|
||||||
case 0x00:
|
|
||||||
default:
|
|
||||||
pclk = SystemCoreClock / 4;
|
|
||||||
break;
|
|
||||||
case 0x01:
|
|
||||||
pclk = SystemCoreClock;
|
|
||||||
break;
|
|
||||||
case 0x02:
|
|
||||||
pclk = SystemCoreClock / 2;
|
|
||||||
break;
|
|
||||||
case 0x03:
|
|
||||||
pclk = SystemCoreClock / 8;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
LPC_UART2->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
|
|
||||||
Fdiv = (pclk / 16) / baudrate; /*baud rate */
|
|
||||||
LPC_UART2->DLM = Fdiv >> 8;
|
|
||||||
LPC_UART2->DLL = Fdiv & 0xFF;
|
|
||||||
LPC_UART2->LCR = 0x03; /* DLAB = 0 */
|
|
||||||
LPC_UART2->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
|
|
||||||
|
|
||||||
NVIC_EnableIRQ(UART2_IRQn);
|
|
||||||
|
|
||||||
LPC_UART2->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART3 interrupt */
|
|
||||||
}
|
}
|
||||||
else if (PortNum == 3) {
|
else if ( IIRValue == IIR_THRE ) /* THRE, transmit holding register empty */
|
||||||
LPC_PINCON->PINSEL0 &= ~0x0000000F;
|
{
|
||||||
LPC_PINCON->PINSEL0 |= 0x0000000A; /* RxD3 is P0.1 and TxD3 is P0.0 */
|
/* THRE interrupt */
|
||||||
LPC_SC->PCONP |= 1 << 4 | 1 << 25; //Enable PCUART1
|
LSRValue = LPC_UART0->LSR; /* Check status in the LSR to see if
|
||||||
/* By default, the PCLKSELx value is zero, thus, the PCLK for
|
valid data in U0THR or not */
|
||||||
all the peripherals is 1/4 of the SystemFrequency. */
|
if ( LSRValue & LSR_THRE )
|
||||||
/* Bit 6~7 is for UART3 */
|
{
|
||||||
pclkdiv = (LPC_SC->PCLKSEL1 >> 18) & 0x03;
|
UART0TxEmpty = 1;
|
||||||
switch (pclkdiv) {
|
}
|
||||||
case 0x00:
|
else
|
||||||
default:
|
{
|
||||||
pclk = SystemCoreClock / 4;
|
UART0TxEmpty = 0;
|
||||||
break;
|
}
|
||||||
case 0x01:
|
|
||||||
pclk = SystemCoreClock;
|
|
||||||
break;
|
|
||||||
case 0x02:
|
|
||||||
pclk = SystemCoreClock / 2;
|
|
||||||
break;
|
|
||||||
case 0x03:
|
|
||||||
pclk = SystemCoreClock / 8;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
LPC_UART3->LCR = 0x83; /* 8 bits, no Parity, 1 Stop bit */
|
|
||||||
Fdiv = (pclk / 16) / baudrate ; /*baud rate */
|
|
||||||
LPC_UART3->DLM = Fdiv >> 8;
|
|
||||||
LPC_UART3->DLL = Fdiv & 0xFF;
|
|
||||||
LPC_UART3->LCR = 0x03; /* DLAB = 0 */
|
|
||||||
LPC_UART3->FCR = 0x07; /* Enable and reset TX and RX FIFO. */
|
|
||||||
|
|
||||||
NVIC_EnableIRQ(UART3_IRQn);
|
|
||||||
|
|
||||||
LPC_UART3->IER = IER_RBR | IER_THRE | IER_RLS; /* Enable UART3 interrupt */
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
int HardwareSerial::read() {
|
|
||||||
uint8_t rx;
|
|
||||||
if (PortNum == 0) {
|
|
||||||
if (UART0RxQueueReadPos == UART0RxQueueWritePos) return -1;
|
|
||||||
// Read from "head"
|
|
||||||
rx = UART0Buffer[UART0RxQueueReadPos]; // grab next byte
|
|
||||||
UART0RxQueueReadPos = (UART0RxQueueReadPos + 1) % UARTRXQUEUESIZE;
|
|
||||||
return rx;
|
|
||||||
}
|
|
||||||
if (PortNum == 1) {
|
|
||||||
if (UART1RxQueueReadPos == UART1RxQueueWritePos) return -1;
|
|
||||||
rx = UART1Buffer[UART1RxQueueReadPos];
|
|
||||||
UART1RxQueueReadPos = (UART1RxQueueReadPos + 1) % UARTRXQUEUESIZE;
|
|
||||||
return rx;
|
|
||||||
}
|
|
||||||
if (PortNum == 2) {
|
|
||||||
if (UART2RxQueueReadPos == UART2RxQueueWritePos) return -1;
|
|
||||||
rx = UART2Buffer[UART2RxQueueReadPos];
|
|
||||||
UART2RxQueueReadPos = (UART2RxQueueReadPos + 1) % UARTRXQUEUESIZE;
|
|
||||||
return rx;
|
|
||||||
}
|
|
||||||
if (PortNum == 3) {
|
|
||||||
if (UART3RxQueueReadPos == UART3RxQueueWritePos) return -1;
|
|
||||||
rx = UART3Buffer[UART3RxQueueReadPos];
|
|
||||||
UART3RxQueueReadPos = (UART3RxQueueReadPos + 1) % UARTRXQUEUESIZE;
|
|
||||||
return rx;
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
size_t HardwareSerial::write(uint8_t send) {
|
|
||||||
if (PortNum == 0) {
|
|
||||||
/* THRE status, contain valid data */
|
|
||||||
while (!(UART0TxEmpty & 0x01));
|
|
||||||
LPC_UART0->THR = send;
|
|
||||||
UART0TxEmpty = 0; /* not empty in the THR until it shifts out */
|
|
||||||
}
|
|
||||||
else if (PortNum == 1) {
|
|
||||||
while (!(UART1TxEmpty & 0x01));
|
|
||||||
LPC_UART1->THR = send;
|
|
||||||
UART1TxEmpty = 0;
|
|
||||||
}
|
|
||||||
else if (PortNum == 2) {
|
|
||||||
while (!(UART2TxEmpty & 0x01));
|
|
||||||
LPC_UART2->THR = send;
|
|
||||||
UART2TxEmpty = 0;
|
|
||||||
}
|
|
||||||
else if (PortNum == 3) {
|
|
||||||
while (!(UART3TxEmpty & 0x01));
|
|
||||||
LPC_UART3->THR = send;
|
|
||||||
UART3TxEmpty = 0;
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int HardwareSerial::available() {
|
|
||||||
if (PortNum == 0)
|
|
||||||
return (UART0RxQueueWritePos + UARTRXQUEUESIZE - UART0RxQueueReadPos) % UARTRXQUEUESIZE;
|
|
||||||
if (PortNum == 1)
|
|
||||||
return (UART1RxQueueWritePos + UARTRXQUEUESIZE - UART1RxQueueReadPos) % UARTRXQUEUESIZE;
|
|
||||||
if (PortNum == 2)
|
|
||||||
return (UART2RxQueueWritePos + UARTRXQUEUESIZE - UART2RxQueueReadPos) % UARTRXQUEUESIZE;
|
|
||||||
if (PortNum == 3)
|
|
||||||
return (UART3RxQueueWritePos + UARTRXQUEUESIZE - UART3RxQueueReadPos) % UARTRXQUEUESIZE;
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void HardwareSerial::flush() {
|
|
||||||
if (PortNum == 0)
|
|
||||||
UART0RxQueueWritePos = UART0RxQueueReadPos = 0;
|
|
||||||
if (PortNum == 1)
|
|
||||||
UART1RxQueueWritePos = UART1RxQueueReadPos = 0;
|
|
||||||
if (PortNum == 2)
|
|
||||||
UART2RxQueueWritePos = UART2RxQueueReadPos = 0;
|
|
||||||
if (PortNum == 3)
|
|
||||||
UART3RxQueueWritePos = UART3RxQueueReadPos = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void HardwareSerial::printf(const char *format, ...) {
|
|
||||||
static char buffer[256];
|
|
||||||
va_list vArgs;
|
|
||||||
va_start(vArgs, format);
|
|
||||||
int length = vsnprintf((char *) buffer, 256, (char const *) format, vArgs);
|
|
||||||
va_end(vArgs);
|
|
||||||
if (length > 0 && length < 256)
|
|
||||||
for (int i = 0; i < length; ++i)
|
|
||||||
write(buffer[i]);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*****************************************************************************
|
/*****************************************************************************
|
||||||
** Function name: UARTn_IRQHandler
|
** Function name: UART1_IRQHandler
|
||||||
**
|
**
|
||||||
** Descriptions: UARTn interrupt handler
|
** Descriptions: UART1 interrupt handler
|
||||||
**
|
**
|
||||||
** parameters: None
|
** parameters: None
|
||||||
** Returned value: None
|
** Returned value: None
|
||||||
**
|
**
|
||||||
*****************************************************************************/
|
*****************************************************************************/
|
||||||
#define DEFINE_UART_HANDLER(NUM) \
|
void UART1_IRQHandler (void)
|
||||||
void UART3_IRQHandler(void) { \
|
{
|
||||||
uint8_t IIRValue, LSRValue; \
|
uint8_t IIRValue, LSRValue;
|
||||||
uint8_t Dummy = Dummy; \
|
uint8_t Dummy = Dummy;
|
||||||
IIRValue = LPC_UART ##NUM## ->IIR; \
|
|
||||||
IIRValue >>= 1; \
|
|
||||||
IIRValue &= 0x07; \
|
|
||||||
switch (IIRValue) { \
|
|
||||||
case IIR_RLS: \
|
|
||||||
LSRValue = LPC_UART ##NUM## ->LSR; \
|
|
||||||
if (LSRValue & (LSR_OE|LSR_PE|LSR_FE|LSR_RXFE|LSR_BI)) { \
|
|
||||||
UART ##NUM## Status = LSRValue; \
|
|
||||||
Dummy = LPC_UART ##NUM## ->RBR; \
|
|
||||||
return; \
|
|
||||||
} \
|
|
||||||
if (LSRValue & LSR_RDR) { \
|
|
||||||
if ((UART ##NUM## RxQueueWritePos+1) % UARTRXQUEUESIZE != UART ##NUM## RxQueueReadPos) { \
|
|
||||||
UART ##NUM## Buffer[UART ##NUM## RxQueueWritePos] = LPC_UART ##NUM## ->RBR; \
|
|
||||||
UART ##NUM## RxQueueWritePos = (UART ##NUM## RxQueueWritePos+1) % UARTRXQUEUESIZE; \
|
|
||||||
} \
|
|
||||||
} \
|
|
||||||
break; \
|
|
||||||
case IIR_RDA: \
|
|
||||||
if ((UART ##NUM## RxQueueWritePos+1) % UARTRXQUEUESIZE != UART ##NUM## RxQueueReadPos) { \
|
|
||||||
UART ##NUM## Buffer[UART ##NUM## RxQueueWritePos] = LPC_UART ##NUM## ->RBR; \
|
|
||||||
UART ##NUM## RxQueueWritePos = (UART ##NUM## RxQueueWritePos+1) % UARTRXQUEUESIZE; \
|
|
||||||
} \
|
|
||||||
else \
|
|
||||||
dummy = LPC_UART ##NUM## ->RBR;; \
|
|
||||||
break; \
|
|
||||||
case IIR_CTI: \
|
|
||||||
UART ##NUM## Status |= 0x100; \
|
|
||||||
break; \
|
|
||||||
case IIR_THRE: \
|
|
||||||
LSRValue = LPC_UART ##NUM## ->LSR; \
|
|
||||||
UART ##NUM## TxEmpty = (LSRValue & LSR_THRE) ? 1 : 0; \
|
|
||||||
break; \
|
|
||||||
} \
|
|
||||||
} \
|
|
||||||
typedef void _uart_ ## NUM
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
IIRValue = LPC_UART1->IIR;
|
||||||
extern "C" {
|
|
||||||
#endif
|
|
||||||
|
|
||||||
DEFINE_UART_HANDLER(0);
|
IIRValue >>= 1; /* skip pending bit in IIR */
|
||||||
DEFINE_UART_HANDLER(1);
|
IIRValue &= 0x07; /* check bit 1~3, interrupt identification */
|
||||||
DEFINE_UART_HANDLER(2);
|
if ( IIRValue == IIR_RLS ) /* Receive Line Status */
|
||||||
DEFINE_UART_HANDLER(3);
|
{
|
||||||
|
LSRValue = LPC_UART1->LSR;
|
||||||
#ifdef __cplusplus
|
/* Receive Line Status */
|
||||||
|
if ( LSRValue & (LSR_OE|LSR_PE|LSR_FE|LSR_RXFE|LSR_BI) )
|
||||||
|
{
|
||||||
|
/* There are errors or break interrupt */
|
||||||
|
/* Read LSR will clear the interrupt */
|
||||||
|
UART1Status = LSRValue;
|
||||||
|
Dummy = LPC_UART1->RBR; /* Dummy read on RX to clear
|
||||||
|
interrupt, then bail out */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if ( LSRValue & LSR_RDR ) /* Receive Data Ready */
|
||||||
|
{
|
||||||
|
/* If no error on RLS, normal ready, save into the data buffer. */
|
||||||
|
/* Note: read RBR will clear the interrupt */
|
||||||
|
if ((UART1RxQueueWritePos+1) % UARTRXQUEUESIZE != UART1RxQueueReadPos)
|
||||||
|
{
|
||||||
|
UART1Buffer[UART1RxQueueWritePos] = LPC_UART1->RBR;
|
||||||
|
UART1RxQueueWritePos =(UART1RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
dummy = LPC_UART1->RBR;;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
else if ( IIRValue == IIR_RDA ) /* Receive Data Available */
|
||||||
|
{
|
||||||
|
/* Receive Data Available */
|
||||||
|
if ((UART1RxQueueWritePos+1) % UARTRXQUEUESIZE != UART1RxQueueReadPos)
|
||||||
|
{
|
||||||
|
UART1Buffer[UART1RxQueueWritePos] = LPC_UART1->RBR;
|
||||||
|
UART1RxQueueWritePos = (UART1RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
dummy = LPC_UART1->RBR;;
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_CTI ) /* Character timeout indicator */
|
||||||
|
{
|
||||||
|
/* Character Time-out indicator */
|
||||||
|
UART1Status |= 0x100; /* Bit 9 as the CTI error */
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_THRE ) /* THRE, transmit holding register empty */
|
||||||
|
{
|
||||||
|
/* THRE interrupt */
|
||||||
|
LSRValue = LPC_UART1->LSR; /* Check status in the LSR to see if
|
||||||
|
valid data in U0THR or not */
|
||||||
|
if ( LSRValue & LSR_THRE )
|
||||||
|
{
|
||||||
|
UART1TxEmpty = 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
UART1TxEmpty = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
/*****************************************************************************
|
||||||
|
** Function name: UART2_IRQHandler
|
||||||
|
**
|
||||||
|
** Descriptions: UART2 interrupt handler
|
||||||
|
**
|
||||||
|
** parameters: None
|
||||||
|
** Returned value: None
|
||||||
|
**
|
||||||
|
*****************************************************************************/
|
||||||
|
void UART2_IRQHandler (void)
|
||||||
|
{
|
||||||
|
uint8_t IIRValue, LSRValue;
|
||||||
|
uint8_t Dummy = Dummy;
|
||||||
|
|
||||||
|
IIRValue = LPC_UART2->IIR;
|
||||||
|
|
||||||
|
IIRValue >>= 1; /* skip pending bit in IIR */
|
||||||
|
IIRValue &= 0x07; /* check bit 1~3, interrupt identification */
|
||||||
|
if ( IIRValue == IIR_RLS ) /* Receive Line Status */
|
||||||
|
{
|
||||||
|
LSRValue = LPC_UART2->LSR;
|
||||||
|
/* Receive Line Status */
|
||||||
|
if ( LSRValue & (LSR_OE|LSR_PE|LSR_FE|LSR_RXFE|LSR_BI) )
|
||||||
|
{
|
||||||
|
/* There are errors or break interrupt */
|
||||||
|
/* Read LSR will clear the interrupt */
|
||||||
|
UART2Status = LSRValue;
|
||||||
|
Dummy = LPC_UART2->RBR; /* Dummy read on RX to clear
|
||||||
|
interrupt, then bail out */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if ( LSRValue & LSR_RDR ) /* Receive Data Ready */
|
||||||
|
{
|
||||||
|
/* If no error on RLS, normal ready, save into the data buffer. */
|
||||||
|
/* Note: read RBR will clear the interrupt */
|
||||||
|
if ((UART2RxQueueWritePos+1) % UARTRXQUEUESIZE != UART2RxQueueReadPos)
|
||||||
|
{
|
||||||
|
UART2Buffer[UART2RxQueueWritePos] = LPC_UART2->RBR;
|
||||||
|
UART2RxQueueWritePos = (UART2RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_RDA ) /* Receive Data Available */
|
||||||
|
{
|
||||||
|
/* Receive Data Available */
|
||||||
|
if ((UART2RxQueueWritePos+1) % UARTRXQUEUESIZE != UART2RxQueueReadPos)
|
||||||
|
{
|
||||||
|
UART2Buffer[UART2RxQueueWritePos] = LPC_UART2->RBR;
|
||||||
|
UART2RxQueueWritePos = (UART2RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
dummy = LPC_UART2->RBR;;
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_CTI ) /* Character timeout indicator */
|
||||||
|
{
|
||||||
|
/* Character Time-out indicator */
|
||||||
|
UART2Status |= 0x100; /* Bit 9 as the CTI error */
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_THRE ) /* THRE, transmit holding register empty */
|
||||||
|
{
|
||||||
|
/* THRE interrupt */
|
||||||
|
LSRValue = LPC_UART2->LSR; /* Check status in the LSR to see if
|
||||||
|
valid data in U0THR or not */
|
||||||
|
if ( LSRValue & LSR_THRE )
|
||||||
|
{
|
||||||
|
UART2TxEmpty = 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
UART2TxEmpty = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
/*****************************************************************************
|
||||||
|
** Function name: UART3_IRQHandler
|
||||||
|
**
|
||||||
|
** Descriptions: UART0 interrupt handler
|
||||||
|
**
|
||||||
|
** parameters: None
|
||||||
|
** Returned value: None
|
||||||
|
**
|
||||||
|
*****************************************************************************/
|
||||||
|
void UART3_IRQHandler (void)
|
||||||
|
{
|
||||||
|
uint8_t IIRValue, LSRValue;
|
||||||
|
uint8_t Dummy = Dummy;
|
||||||
|
|
||||||
|
IIRValue = LPC_UART3->IIR;
|
||||||
|
|
||||||
|
IIRValue >>= 1; /* skip pending bit in IIR */
|
||||||
|
IIRValue &= 0x07; /* check bit 1~3, interrupt identification */
|
||||||
|
if ( IIRValue == IIR_RLS ) /* Receive Line Status */
|
||||||
|
{
|
||||||
|
LSRValue = LPC_UART3->LSR;
|
||||||
|
/* Receive Line Status */
|
||||||
|
if ( LSRValue & (LSR_OE|LSR_PE|LSR_FE|LSR_RXFE|LSR_BI) )
|
||||||
|
{
|
||||||
|
/* There are errors or break interrupt */
|
||||||
|
/* Read LSR will clear the interrupt */
|
||||||
|
UART3Status = LSRValue;
|
||||||
|
Dummy = LPC_UART3->RBR; /* Dummy read on RX to clear
|
||||||
|
interrupt, then bail out */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
if ( LSRValue & LSR_RDR ) /* Receive Data Ready */
|
||||||
|
{
|
||||||
|
/* If no error on RLS, normal ready, save into the data buffer. */
|
||||||
|
/* Note: read RBR will clear the interrupt */
|
||||||
|
if ((UART3RxQueueWritePos+1) % UARTRXQUEUESIZE != UART3RxQueueReadPos)
|
||||||
|
{
|
||||||
|
UART3Buffer[UART3RxQueueWritePos] = LPC_UART3->RBR;
|
||||||
|
UART3RxQueueWritePos = (UART3RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_RDA ) /* Receive Data Available */
|
||||||
|
{
|
||||||
|
/* Receive Data Available */
|
||||||
|
if ((UART3RxQueueWritePos+1) % UARTRXQUEUESIZE != UART3RxQueueReadPos)
|
||||||
|
{
|
||||||
|
UART3Buffer[UART3RxQueueWritePos] = LPC_UART3->RBR;
|
||||||
|
UART3RxQueueWritePos = (UART3RxQueueWritePos+1) % UARTRXQUEUESIZE;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
dummy = LPC_UART3->RBR;;
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_CTI ) /* Character timeout indicator */
|
||||||
|
{
|
||||||
|
/* Character Time-out indicator */
|
||||||
|
UART3Status |= 0x100; /* Bit 9 as the CTI error */
|
||||||
|
}
|
||||||
|
else if ( IIRValue == IIR_THRE ) /* THRE, transmit holding register empty */
|
||||||
|
{
|
||||||
|
/* THRE interrupt */
|
||||||
|
LSRValue = LPC_UART3->LSR; /* Check status in the LSR to see if
|
||||||
|
valid data in U0THR or not */
|
||||||
|
if ( LSRValue & LSR_THRE )
|
||||||
|
{
|
||||||
|
UART3TxEmpty = 1;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
UART3TxEmpty = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
#endif // TARGET_LPC1768
|
#endif // TARGET_LPC1768
|
||||||
|
|
|
||||||
|
|
@ -101,9 +101,9 @@ uint32_t millis();
|
||||||
//IO functions
|
//IO functions
|
||||||
void pinMode(uint8_t, uint8_t);
|
void pinMode(uint8_t, uint8_t);
|
||||||
void digitalWrite(uint8_t, uint8_t);
|
void digitalWrite(uint8_t, uint8_t);
|
||||||
int digitalRead(uint8_t);
|
bool digitalRead(uint8_t);
|
||||||
void analogWrite(uint8_t, int);
|
void analogWrite(uint8_t, int);
|
||||||
int analogRead(uint8_t);
|
uint16_t analogRead(uint8_t);
|
||||||
|
|
||||||
// EEPROM
|
// EEPROM
|
||||||
void eeprom_write_byte(unsigned char *pos, unsigned char value);
|
void eeprom_write_byte(unsigned char *pos, unsigned char value);
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue