diff options
Diffstat (limited to 'os/hal/ports/MSP430X/hal_serial_lld.c')
| -rw-r--r-- | os/hal/ports/MSP430X/hal_serial_lld.c | 483 |
1 files changed, 247 insertions, 236 deletions
diff --git a/os/hal/ports/MSP430X/hal_serial_lld.c b/os/hal/ports/MSP430X/hal_serial_lld.c index bc002cb..0d9aa1c 100644 --- a/os/hal/ports/MSP430X/hal_serial_lld.c +++ b/os/hal/ports/MSP430X/hal_serial_lld.c @@ -37,33 +37,49 @@ /** @brief USART0 serial driver identifier.*/
#if (MSP430X_SERIAL_USE_USART0 == TRUE) || defined(__DOXYGEN__)
#ifndef __MSP430_HAS_EUSCI_A0__
- #error "Cannot find USCI module to use for SD0"
+#error "Cannot find USCI module to use for SD0"
+#endif
+#ifdef MSP430X_USCI_A0_USED
+#error "USCI module A0 already in use - USART0 not available"
#endif
SerialDriver SD0;
+#define MSP430X_USCI_A0_USED
#endif
/** @brief USART1 serial driver identifier.*/
#if (MSP430X_SERIAL_USE_USART1 == TRUE) || defined(__DOXYGEN__)
#ifndef __MSP430_HAS_EUSCI_A1__
- #error "Cannot find USCI module to use for SD1"
+#error "Cannot find USCI module to use for SD1"
+#endif
+#ifdef MSP430X_USCI_A1_USED
+#error "USCI module A1 already in use - USART1 not available"
#endif
SerialDriver SD1;
+#define MSP430X_USCI_A1_USED
#endif
/** @brief USART2 serial driver identifier.*/
#if (MSP430X_SERIAL_USE_USART2 == TRUE) || defined(__DOXYGEN__)
#ifndef __MSP430_HAS_EUSCI_A2__
- #error "Cannot find USCI module to use for SD2"
+#error "Cannot find USCI module to use for SD2"
+#endif
+#ifdef MSP430X_USCI_A2_USED
+#error "USCI module A2 already in use - USART2 not available"
#endif
SerialDriver SD2;
+#define MSP430X_USCI_A2_USED
#endif
/** @brief USART3 serial driver identifier.*/
#if (MSP430X_SERIAL_USE_USART3 == TRUE) || defined(__DOXYGEN__)
#ifndef __MSP430_HAS_EUSCI_A3__
- #error "Cannot find USCI module to use for SD3"
+#error "Cannot find USCI module to use for SD3"
+#endif
+#ifdef MSP430X_USCI_A3_USED
+#error "USCI module A3 already in use - USART3 not available"
#endif
SerialDriver SD3;
+#define MSP430X_USCI_A3_USED
#endif
/*===========================================================================*/
@@ -73,9 +89,7 @@ SerialDriver SD3; /**
* @brief Driver default configuration.
*/
-static const SerialConfig default_config = {
- SERIAL_DEFAULT_BITRATE
-};
+static const SerialConfig default_config = { SERIAL_DEFAULT_BITRATE };
/*===========================================================================*/
/* Driver local functions. */
@@ -85,7 +99,7 @@ static const SerialConfig default_config = { * @brief UCBRS calculation.
* @details This function calculates the UCBRS value for oversampled baud
* rates.
- *
+ *
* @param[in] frac Fractional part of baud rate division, times 10000.
*/
static uint8_t UCBRS(uint16_t frac) {
@@ -160,7 +174,7 @@ static uint8_t UCBRS(uint16_t frac) { return 0xFB;
else if (frac < 9288)
return 0xFD;
- else
+ else
return 0xFE;
}
@@ -168,13 +182,13 @@ static uint8_t UCBRS(uint16_t frac) { * @brief Modulation control word calculator.
* @details This function calculates the modulation control word from the
* input clock frequency and the requested baud rate.
- *
+ *
* @param[in] baud Requested baud rate
* @param[in] freq Frequency of the clock driving the USCI module
*/
static uint16_t UCAxMCTLW(uint32_t baud, uint32_t freq) {
-
- uint16_t n = freq/baud;
+
+ uint16_t n = freq / baud;
/*uint16_t frac = (freq * 10000 / baud) - ((freq / baud) * 10000);*/
uint16_t frac = (freq - (n * baud)) * 10000 / baud;
if (n > 16) {
@@ -190,12 +204,12 @@ static uint16_t UCAxMCTLW(uint32_t baud, uint32_t freq) { * @brief UCBRW calculation.
* @details This function calculates the UCBRW value for all baud
* rates.
- *
+ *
* @param[in] baud Requested baud rate
* @param[in] freq Frequency of the clock driving the USCI module
*/
static uint16_t UCAxBRW(uint32_t baud, uint32_t freq) {
- uint16_t n = freq/baud;
+ uint16_t n = freq / baud;
if (n > 16) {
return n >> 4;
}
@@ -203,88 +217,88 @@ static uint16_t UCAxBRW(uint32_t baud, uint32_t freq) { }
#if (MSP430X_SERIAL_USE_USART0 == TRUE) || defined(__DOXYGEN__)
-static void usart0_init(const SerialConfig *config) {
- UCA0BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART0_CLK_FREQ);
+static void usart0_init(const SerialConfig * config) {
+ UCA0BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART0_CLK_FREQ);
UCA0MCTLW = UCAxMCTLW(config->sc_bitrate, MSP430X_USART0_CLK_FREQ);
UCA0STATW = 0;
UCA0ABCTL = 0;
UCA0IRCTL = 0;
- UCA0CTLW0 = (MSP430X_USART0_PARITY << 14) | (MSP430X_USART0_ORDER << 13) | \
- (MSP430X_USART0_SIZE << 12) | (MSP430X_USART0_STOP << 11) | \
+ UCA0CTLW0 = (MSP430X_USART0_PARITY << 14) | (MSP430X_USART0_ORDER << 13) |
+ (MSP430X_USART0_SIZE << 12) | (MSP430X_USART0_STOP << 11) |
(MSP430X_USART0_UCSSEL);
UCA0IE = UCRXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART1 == TRUE) || defined(__DOXYGEN__)
-static void usart1_init(const SerialConfig *config) {
- UCA1BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART1_CLK_FREQ);
+static void usart1_init(const SerialConfig * config) {
+ UCA1BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART1_CLK_FREQ);
UCA1MCTLW = UCAxMCTLW(config->sc_bitrate, MSP430X_USART1_CLK_FREQ);
UCA1STATW = 0;
UCA1ABCTL = 0;
UCA1IRCTL = 0;
- UCA1CTLW0 = (MSP430X_USART1_PARITY << 14) | (MSP430X_USART1_ORDER << 13) | \
- (MSP430X_USART1_SIZE << 12) | (MSP430X_USART1_STOP << 11) | \
+ UCA1CTLW0 = (MSP430X_USART1_PARITY << 14) | (MSP430X_USART1_ORDER << 13) |
+ (MSP430X_USART1_SIZE << 12) | (MSP430X_USART1_STOP << 11) |
(MSP430X_USART1_UCSSEL);
UCA1IE = UCRXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART2 == TRUE) || defined(__DOXYGEN__)
-static void usart2_init(const SerialConfig *config) {
- UCA2BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART2_CLK_FREQ);
+static void usart2_init(const SerialConfig * config) {
+ UCA2BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART2_CLK_FREQ);
UCA2MCTLW = UCAxMCTLW(config->sc_bitrate);
UCA2STATW = 0;
UCA2ABCTL = 0;
UCA2IRCTL = 0;
- UCA2CTLW0 = (MSP430X_USART2_PARITY << 14) | (MSP430X_USART2_ORDER << 13) | \
- (MSP430X_USART2_SIZE << 12) | (MSP430X_USART2_STOP << 11) | \
+ UCA2CTLW0 = (MSP430X_USART2_PARITY << 14) | (MSP430X_USART2_ORDER << 13) |
+ (MSP430X_USART2_SIZE << 12) | (MSP430X_USART2_STOP << 11) |
(MSP430X_USART2_UCSSEL);
UCA2IE = UCRXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART3 == TRUE) || defined(__DOXYGEN__)
-static void usart3_init(const SerialConfig *config) {
- UCA3BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART3_CLK_FREQ);
+static void usart3_init(const SerialConfig * config) {
+ UCA3BRW = UCAxBRW(config->sc_bitrate, MSP430X_USART3_CLK_FREQ);
UCA3MCTLW = UCAxMCTLW(config->sc_bitrate, MSP430X_USART3_CLK_FREQ);
UCA3STATW = 0;
UCA3ABCTL = 0;
UCA3IRCTL = 0;
- UCA3CTLW0 = (MSP430X_USART3_PARITY << 14) | (MSP430X_USART3_ORDER << 13) | \
- (MSP430X_USART3_SIZE << 12) | (MSP430X_USART3_STOP << 11) | \
+ UCA3CTLW0 = (MSP430X_USART3_PARITY << 14) | (MSP430X_USART3_ORDER << 13) |
+ (MSP430X_USART3_SIZE << 12) | (MSP430X_USART3_STOP << 11) |
(MSP430X_USART3_UCSSEL);
UCA3IE = UCRXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART0 == TRUE) || defined(__DOXYGEN__)
-static void notify0(io_queue_t *qp) {
-
+static void notify0(io_queue_t * qp) {
+
(void)qp;
UCA0IE |= UCTXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART1 == TRUE) || defined(__DOXYGEN__)
-static void notify1(io_queue_t *qp) {
-
+static void notify1(io_queue_t * qp) {
+
(void)qp;
UCA1IE |= UCTXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART2 == TRUE) || defined(__DOXYGEN__)
-static void notify2(io_queue_t *qp) {
-
+static void notify2(io_queue_t * qp) {
+
(void)qp;
UCA2IE |= UCTXIE;
}
#endif
#if (MSP430X_SERIAL_USE_USART3 == TRUE) || defined(__DOXYGEN__)
-static void notify3(io_queue_t *qp) {
-
+static void notify3(io_queue_t * qp) {
+
(void)qp;
UCA3IE |= UCTXIE;
}
@@ -292,24 +306,23 @@ static void notify3(io_queue_t *qp) { /**
* @brief Error handling routine.
- *
+ *
* @param[in] sra USCI status register containing errors
* @param[in] sdp pointer to a @p SerialDriver object
*/
-static void set_error(uint16_t sra, SerialDriver *sdp) {
- eventflags_t sts = 0;
-
- if (sra & UCOE)
- sts |= SD_OVERRUN_ERROR;
- if (sra & UCPE)
- sts |= SD_PARITY_ERROR;
- if (sra & UCFE)
- sts |= SD_FRAMING_ERROR;
- osalSysLockFromISR();
- chnAddFlagsI(sdp, sts);
- osalSysUnlockFromISR();
+static void set_error(uint16_t sra, SerialDriver * sdp) {
+ eventflags_t sts = 0;
+
+ if (sra & UCOE)
+ sts |= SD_OVERRUN_ERROR;
+ if (sra & UCPE)
+ sts |= SD_PARITY_ERROR;
+ if (sra & UCFE)
+ sts |= SD_FRAMING_ERROR;
+ osalSysLockFromISR();
+ chnAddFlagsI(sdp, sts);
+ osalSysUnlockFromISR();
}
-
/*===========================================================================*/
/* Driver interrupt handlers. */
@@ -318,236 +331,235 @@ static void set_error(uint16_t sra, SerialDriver *sdp) { #if MSP430X_SERIAL_USE_USART0 || defined(__DOXYGEN__)
/**
* @brief USART0 interrupt handler.
- *
+ *
* @isr
*/
PORT_IRQ_HANDLER(USCI_A0_VECTOR) {
msg_t b;
-
+
OSAL_IRQ_PROLOGUE();
-
- switch (__even_in_range(UCA0IV,USCI_UART_UCTXCPTIFG)) {
- case USCI_UART_UCRXIFG: /* RX interrupt */
-
- /* Detect errors */
- if (UCA0STATW & UCRXERR)
- set_error(UCA0STATW, &SD0);
-
- /* Data available */
- osalSysLockFromISR();
- sdIncomingDataI(&SD0, UCA0RXBUF);
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXIFG: /* TX interrupt */
-
- /* Transmission buffer empty */
- osalSysLockFromISR();
- b = sdRequestDataI(&SD0);
- if (b < Q_OK) {
- chnAddFlagsI(&SD0, CHN_OUTPUT_EMPTY);
- UCA0IE = (UCA0IE & ~UCTXIE) | UCTXCPTIE;
- UCA0IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
- }
- else
- UCA0TXBUF = b;
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
-
- /* Physical transmission end */
- osalSysLockFromISR();
- if (oqIsEmptyI(&SD0.oqueue))
- chnAddFlagsI(&SD0, CHN_TRANSMISSION_END);
- UCA0IE &= ~UCTXCPTIE;
- break;
-
- default: /* other interrupts */
- while (1);
- break;
+
+ switch (__even_in_range(UCA0IV, USCI_UART_UCTXCPTIFG)) {
+ case USCI_UART_UCRXIFG: /* RX interrupt */
+
+ /* Detect errors */
+ if (UCA0STATW & UCRXERR)
+ set_error(UCA0STATW, &SD0);
+
+ /* Data available */
+ osalSysLockFromISR();
+ sdIncomingDataI(&SD0, UCA0RXBUF);
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXIFG: /* TX interrupt */
+
+ /* Transmission buffer empty */
+ osalSysLockFromISR();
+ b = sdRequestDataI(&SD0);
+ if (b < Q_OK) {
+ chnAddFlagsI(&SD0, CHN_OUTPUT_EMPTY);
+ UCA0IE = (UCA0IE & ~UCTXIE) | UCTXCPTIE;
+ UCA0IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
+ }
+ else
+ UCA0TXBUF = b;
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
+
+ /* Physical transmission end */
+ osalSysLockFromISR();
+ if (oqIsEmptyI(&SD0.oqueue))
+ chnAddFlagsI(&SD0, CHN_TRANSMISSION_END);
+ UCA0IE &= ~UCTXCPTIE;
+ break;
+
+ default: /* other interrupts */
+ while (1)
+ ;
+ break;
}
-
+
OSAL_IRQ_EPILOGUE();
-
}
#endif
#if MSP430X_SERIAL_USE_USART1 || defined(__DOXYGEN__)
/**
* @brief USART1 interrupt handler.
- *
+ *
* @isr
*/
PORT_IRQ_HANDLER(USCI_A1_VECTOR) {
msg_t b;
-
+
OSAL_IRQ_PROLOGUE();
-
- switch (__even_in_range(UCA1IV,USCI_UART_UCTXCPTIFG)) {
- case USCI_UART_UCRXIFG: /* RX interrupt */
-
- /* Detect errors */
- if (UCA1STATW & UCRXERR)
- set_error(UCA1STATW, &SD1);
-
- /* Data available */
- osalSysLockFromISR();
- sdIncomingDataI(&SD1, UCA1RXBUF);
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXIFG: /* TX interrupt */
-
- /* Transmission buffer empty */
- osalSysLockFromISR();
- b = sdRequestDataI(&SD1);
- if (b < Q_OK) {
- chnAddFlagsI(&SD1, CHN_OUTPUT_EMPTY);
- UCA1IE = (UCA1IE & ~UCTXIE) | UCTXCPTIE;
- UCA1IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
- }
- else
- UCA1TXBUF = b;
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
-
- /* Physical transmission end */
- osalSysLockFromISR();
- if (oqIsEmptyI(&SD1.oqueue))
- chnAddFlagsI(&SD1, CHN_TRANSMISSION_END);
- UCA1IE &= ~UCTXCPTIE;
- break;
-
- default: /* other interrupts */
- while (1);
- break;
+
+ switch (__even_in_range(UCA1IV, USCI_UART_UCTXCPTIFG)) {
+ case USCI_UART_UCRXIFG: /* RX interrupt */
+
+ /* Detect errors */
+ if (UCA1STATW & UCRXERR)
+ set_error(UCA1STATW, &SD1);
+
+ /* Data available */
+ osalSysLockFromISR();
+ sdIncomingDataI(&SD1, UCA1RXBUF);
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXIFG: /* TX interrupt */
+
+ /* Transmission buffer empty */
+ osalSysLockFromISR();
+ b = sdRequestDataI(&SD1);
+ if (b < Q_OK) {
+ chnAddFlagsI(&SD1, CHN_OUTPUT_EMPTY);
+ UCA1IE = (UCA1IE & ~UCTXIE) | UCTXCPTIE;
+ UCA1IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
+ }
+ else
+ UCA1TXBUF = b;
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
+
+ /* Physical transmission end */
+ osalSysLockFromISR();
+ if (oqIsEmptyI(&SD1.oqueue))
+ chnAddFlagsI(&SD1, CHN_TRANSMISSION_END);
+ UCA1IE &= ~UCTXCPTIE;
+ break;
+
+ default: /* other interrupts */
+ while (1)
+ ;
+ break;
}
-
+
OSAL_IRQ_EPILOGUE();
-
}
#endif
#if MSP430X_SERIAL_USE_USART2 || defined(__DOXYGEN__)
/**
* @brief USART2 interrupt handler.
- *
+ *
* @isr
*/
PORT_IRQ_HANDLER(USCI_A2_VECTOR) {
msg_t b;
-
+
OSAL_IRQ_PROLOGUE();
-
- switch (__even_in_range(UCA2IV,USCI_UART_UCTXCPTIFG)) {
- case USCI_UART_UCRXIFG: /* RX interrupt */
-
- /* Detect errors */
- if (UCA2STATW & UCRXERR)
- set_error(UCA2STATW, &SD2);
-
- /* Data available */
- osalSysLockFromISR();
- sdIncomingDataI(&SD2, UCA2RXBUF);
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXIFG: /* TX interrupt */
-
- /* Transmission buffer empty */
- osalSysLockFromISR();
- b = sdRequestDataI(&SD2);
- if (b < Q_OK) {
- chnAddFlagsI(&SD2, CHN_OUTPUT_EMPTY);
- UCA2IE = (UCA2IE & ~UCTXIE) | UCTXCPTIE;
- UCA2IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
- }
- else
- UCA2TXBUF = b;
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
-
- /* Physical transmission end */
- osalSysLockFromISR();
- if (oqIsEmptyI(&SD2.oqueue))
- chnAddFlagsI(&SD2, CHN_TRANSMISSION_END);
- UCA2IE &= ~UCTXCPTIE;
- break;
-
- default: /* other interrupts */
- while (1);
- break;
+
+ switch (__even_in_range(UCA2IV, USCI_UART_UCTXCPTIFG)) {
+ case USCI_UART_UCRXIFG: /* RX interrupt */
+
+ /* Detect errors */
+ if (UCA2STATW & UCRXERR)
+ set_error(UCA2STATW, &SD2);
+
+ /* Data available */
+ osalSysLockFromISR();
+ sdIncomingDataI(&SD2, UCA2RXBUF);
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXIFG: /* TX interrupt */
+
+ /* Transmission buffer empty */
+ osalSysLockFromISR();
+ b = sdRequestDataI(&SD2);
+ if (b < Q_OK) {
+ chnAddFlagsI(&SD2, CHN_OUTPUT_EMPTY);
+ UCA2IE = (UCA2IE & ~UCTXIE) | UCTXCPTIE;
+ UCA2IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
+ }
+ else
+ UCA2TXBUF = b;
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
+
+ /* Physical transmission end */
+ osalSysLockFromISR();
+ if (oqIsEmptyI(&SD2.oqueue))
+ chnAddFlagsI(&SD2, CHN_TRANSMISSION_END);
+ UCA2IE &= ~UCTXCPTIE;
+ break;
+
+ default: /* other interrupts */
+ while (1)
+ ;
+ break;
}
-
+
OSAL_IRQ_EPILOGUE();
-
}
#endif
#if MSP430X_SERIAL_USE_USART3 || defined(__DOXYGEN__)
/**
* @brief USART3 interrupt handler.
- *
+ *
* @isr
*/
PORT_IRQ_HANDLER(USCI_A3_VECTOR) {
msg_t b;
-
+
OSAL_IRQ_PROLOGUE();
-
- switch (__even_in_range(UCA3IV,USCI_UART_UCTXCPTIFG)) {
- case USCI_UART_UCRXIFG: /* RX interrupt */
-
- /* Detect errors */
- if (UCA3STATW & UCRXERR)
- set_error(UCA3STATW, &SD3);
-
- /* Data available */
- osalSysLockFromISR();
- sdIncomingDataI(&SD3, UCA3RXBUF);
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXIFG: /* TX interrupt */
-
- /* Transmission buffer empty */
- osalSysLockFromISR();
- b = sdRequestDataI(&SD3);
- if (b < Q_OK) {
- chnAddFlagsI(&SD3, CHN_OUTPUT_EMPTY);
- UCA3IE = (UCA3IE & ~UCTXIE) | UCTXCPTIE;
- UCA3IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
- }
- else
- UCA3TXBUF = b;
- osalSysUnlockFromISR();
- break;
-
- case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
-
- /* Physical transmission end */
- osalSysLockFromISR();
- if (oqIsEmptyI(&SD3.oqueue))
- chnAddFlagsI(&SD3, CHN_TRANSMISSION_END);
- UCA3IE &= ~UCTXCPTIE;
- break;
-
- default: /* other interrupts */
- while (1);
- break;
+
+ switch (__even_in_range(UCA3IV, USCI_UART_UCTXCPTIFG)) {
+ case USCI_UART_UCRXIFG: /* RX interrupt */
+
+ /* Detect errors */
+ if (UCA3STATW & UCRXERR)
+ set_error(UCA3STATW, &SD3);
+
+ /* Data available */
+ osalSysLockFromISR();
+ sdIncomingDataI(&SD3, UCA3RXBUF);
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXIFG: /* TX interrupt */
+
+ /* Transmission buffer empty */
+ osalSysLockFromISR();
+ b = sdRequestDataI(&SD3);
+ if (b < Q_OK) {
+ chnAddFlagsI(&SD3, CHN_OUTPUT_EMPTY);
+ UCA3IE = (UCA3IE & ~UCTXIE) | UCTXCPTIE;
+ UCA3IFG |= UCTXIFG; /* If we don't write to TXBUF, IFG won't get set */
+ }
+ else
+ UCA3TXBUF = b;
+ osalSysUnlockFromISR();
+ break;
+
+ case USCI_UART_UCTXCPTIFG: /* TX complete interrupt */
+
+ /* Physical transmission end */
+ osalSysLockFromISR();
+ if (oqIsEmptyI(&SD3.oqueue))
+ chnAddFlagsI(&SD3, CHN_TRANSMISSION_END);
+ UCA3IE &= ~UCTXCPTIE;
+ break;
+
+ default: /* other interrupts */
+ while (1)
+ ;
+ break;
}
-
+
OSAL_IRQ_EPILOGUE();
-
}
#endif
-
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@@ -586,13 +598,12 @@ void sd_lld_init(void) { *
* @notapi
*/
-void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
+void sd_lld_start(SerialDriver * sdp, const SerialConfig * config) {
if (config == NULL) {
config = &default_config;
}
-
if (sdp->state == SD_STOP) {
#if MSP430X_SERIAL_USE_USART0 == TRUE
if (&SD0 == sdp) {
@@ -626,7 +637,7 @@ void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) { *
* @notapi
*/
-void sd_lld_stop(SerialDriver *sdp) {
+void sd_lld_stop(SerialDriver * sdp) {
if (sdp->state == SD_READY) {
#if MSP430X_SERIAL_USE_USART0 == TRUE
|