void main ()
{
hBSP430halSERIAL console = NULL;
hBSP430halSERIAL uart = NULL;
unsigned long prep_utt = 0;
unsigned long emit_utt = 0;
unsigned long done_utt = 0;
vBSP430platformInitialize_ni();
iBSP430consoleInitialize();
console = hBSP430console();
cprintf("\ntxcb " __DATE__ " " __TIME__ "\n");
cprintf("\nConsole %p is on %s: %s\n", console,
xBSP430serialName(BSP430_CONSOLE_SERIAL_PERIPH_HANDLE),
xBSP430platformPeripheralHelp(BSP430_CONSOLE_SERIAL_PERIPH_HANDLE, 0));
uart = hBSP430serialLookup(UART_PERIPH_HANDLE);
if (NULL == uart) {
cprintf("Failed to resolve secondary\n");
return;
}
cprintf("\nSecondary %p is on %s: %s\n", uart,
xBSP430serialName(UART_PERIPH_HANDLE),
xBSP430platformPeripheralHelp(UART_PERIPH_HANDLE, 0));
tx_buffer_.head = tx_buffer_.tail = 0;
BSP430_HAL_ISR_CALLBACK_LINK_NI(sBSP430halISRVoidChainNode, uart->tx_cbchain_ni, tx_buffer_.cb_node, next_ni);
uart = hBSP430serialOpenUART(uart, 0, 0, 9600);
if (NULL == uart) {
cprintf("Secondary open failed\n");
}
/* Need to enable interrupts so timer overflow events are properly
* acknowledged */
BSP430_CORE_ENABLE_INTERRUPT();
while (1) {
unsigned long next_prep_utt;
char * obp;
char * ob_end;
next_prep_utt = ulBSP430uptime();
obp = tx_buffer_.buffer;
ob_end = obp + sizeof(tx_buffer_.buffer);
obp += snprintf(obp, ob_end - obp, "prep %lu emit %lu\r\n", emit_utt - prep_utt, done_utt - emit_utt);
ob_end = obp;
BSP430_CORE_DISABLE_INTERRUPT();
emit_utt = ulBSP430uptime_ni();
prep_utt = next_prep_utt;
tx_buffer_.tail = 0;
tx_buffer_.head = obp - tx_buffer_.buffer;
vBSP430serialWakeupTransmit_ni(uart);
BSP430_CORE_LPM_ENTER_NI(LPM0_bits);
/* Expect tail == head otherwise should not have awoken */
done_utt = ulBSP430uptime();
}
}
int
iBSP430consoleInitialize (void)
{
BSP430_CORE_INTERRUPT_STATE_T istate;
int rv;
hBSP430halSERIAL hal;
if (console_hal_) {
return 0;
}
hal = hBSP430serialLookup(BSP430_CONSOLE_SERIAL_PERIPH_HANDLE);
if (NULL == hal) {
return -1;
}
rv = -1;
BSP430_CORE_SAVE_INTERRUPT_STATE(istate);
BSP430_CORE_DISABLE_INTERRUPT();
do {
#if BSP430_CONSOLE_RX_BUFFER_SIZE - 0
/* Associate the callback before opening the device, so the
* interrupts are enabled properly. */
rx_buffer_.head = rx_buffer_.tail = 0;
BSP430_HAL_ISR_CALLBACK_LINK_NI(sBSP430halISRVoidChainNode, hal->rx_cbchain_ni, rx_buffer_.cb_node, next_ni);
#endif /* BSP430_CONSOLE_RX_BUFFER_SIZE */
#if BSP430_CONSOLE_TX_BUFFER_SIZE - 0
uartTransmit_ni = console_tx_queue_ni;
tx_buffer_.wake_available = 0;
tx_buffer_.head = tx_buffer_.tail = 0;
BSP430_HAL_ISR_CALLBACK_LINK_NI(sBSP430halISRVoidChainNode, hal->tx_cbchain_ni, tx_buffer_.cb_node, next_ni);
#endif /* BSP430_CONSOLE_TX_BUFFER_SIZE */
/* Attempt to configure and install the console */
console_hal_ = hBSP430serialOpenUART(hal, 0, 0, BSP430_CONSOLE_BAUD_RATE);
if (! console_hal_) {
/* Open failed, revert the callback association. */
#if BSP430_CONSOLE_RX_BUFFER_SIZE - 0
BSP430_HAL_ISR_CALLBACK_UNLINK_NI(sBSP430halISRVoidChainNode, hal->rx_cbchain_ni, rx_buffer_.cb_node, next_ni);
#endif /* BSP430_CONSOLE_RX_BUFFER_SIZE */
break;
}
#if BSP430_PLATFORM_SPIN_FOR_JUMPER - 0
vBSP430platformSpinForJumper_ni();
#endif /* BSP430_PLATFORM_SPIN_FOR_JUMPER */
/* All is good */
rv = 0;
} while (0);
BSP430_CORE_RESTORE_INTERRUPT_STATE(istate);
return rv;
}
