/*!
* @brief Main function
*/
int main(void)
{
uint8_t ch;
lpuart_config_t config;
BOARD_InitPins();
BOARD_BootClockRUN();
CLOCK_SetLpuart1Clock(1U);
/*
* config.baudRate_Bps = 115200U;
* config.parityMode = kLPUART_ParityDisabled;
* config.stopBitCount = kLPUART_OneStopBit;
* config.txFifoWatermark = 0;
* config.rxFifoWatermark = 0;
* config.enableTx = false;
* config.enableRx = false;
*/
LPUART_GetDefaultConfig(&config);
config.baudRate_Bps = BOARD_DEBUG_UART_BAUDRATE;
config.enableTx = true;
config.enableRx = true;
LPUART_Init(DEMO_LPUART, &config, CLOCK_GetFreq(DEMO_LPUART_CLKSRC));
LPUART_WriteBlocking(DEMO_LPUART, txbuff, sizeof(txbuff) - 1);
while (1)
{
LPUART_ReadBlocking(DEMO_LPUART, &ch, 1);
LPUART_WriteBlocking(DEMO_LPUART, &ch, 1);
}
}
void serial_init(serial_t *obj, PinName tx, PinName rx) {
uint32_t uart_tx = pinmap_peripheral(tx, PinMap_UART_TX);
uint32_t uart_rx = pinmap_peripheral(rx, PinMap_UART_RX);
obj->index = pinmap_merge(uart_tx, uart_rx);
MBED_ASSERT((int)obj->index != NC);
// Need to initialize the clocks here as ticker init gets called before mbed_sdk_init
if (SystemCoreClock == DEFAULT_SYSTEM_CLOCK)
BOARD_BootClockRUN();
/* Set the LPUART clock source */
if (obj->index == LPUART_0) {
CLOCK_SetLpuart0Clock(1U);
} else {
CLOCK_SetLpuart1Clock(1U);
}
lpuart_config_t config;
LPUART_GetDefaultConfig(&config);
config.baudRate_Bps = 9600;
config.enableTx = false;
config.enableRx = false;
LPUART_Init(uart_addrs[obj->index], &config, CLOCK_GetFreq(uart_clocks[obj->index]));
pinmap_pinout(tx, PinMap_UART_TX);
pinmap_pinout(rx, PinMap_UART_RX);
if (tx != NC) {
LPUART_EnableTx(uart_addrs[obj->index], true);
pin_mode(tx, PullUp);
}
if (rx != NC) {
LPUART_EnableRx(uart_addrs[obj->index], true);
pin_mode(rx, PullUp);
}
if (obj->index == STDIO_UART) {
stdio_uart_inited = 1;
memcpy(&stdio_uart, obj, sizeof(serial_t));
}
}
/*!
* @brief Main function
*/
int main(void)
{
lpuart_config_t config;
BOARD_InitPins();
BOARD_BootClockRUN();
CLOCK_SetLpuart1Clock(1U);
/*
* config.baudRate_Bps = 115200U;
* config.parityMode = kLPUART_ParityDisabled;
* config.stopBitCount = kLPUART_OneStopBit;
* config.txFifoWatermark = 0;
* config.rxFifoWatermark = 0;
* config.enableTx = false;
* config.enableRx = false;
*/
LPUART_GetDefaultConfig(&config);
config.baudRate_Bps = BOARD_DEBUG_UART_BAUDRATE;
config.enableTx = true;
config.enableRx = true;
LPUART_Init(DEMO_LPUART, &config, CLOCK_GetFreq(DEMO_LPUART_CLKSRC));
/* Send g_tipString out. */
LPUART_WriteBlocking(DEMO_LPUART, g_tipString, sizeof(g_tipString) / sizeof(g_tipString[0]));
/* Enable RX interrupt. */
LPUART_EnableInterrupts(DEMO_LPUART, kLPUART_RxDataRegFullInterruptEnable);
EnableIRQ(DEMO_LPUART_IRQn);
while (1)
{
/* Send data only when LPUART TX register is empty and ring buffer has data to send out. */
while ((kLPUART_TxDataRegEmptyFlag & LPUART_GetStatusFlags(DEMO_LPUART)) && (rxIndex != txIndex))
{
LPUART_WriteByte(DEMO_LPUART, demoRingBuffer[txIndex]);
txIndex++;
txIndex %= DEMO_RING_BUFFER_SIZE;
}
}
}
void serial_init(serial_t *obj, PinName tx, PinName rx)
{
uint32_t uart_tx = pinmap_peripheral(tx, PinMap_UART_TX);
uint32_t uart_rx = pinmap_peripheral(rx, PinMap_UART_RX);
obj->index = pinmap_merge(uart_tx, uart_rx);
MBED_ASSERT((int)obj->index != NC);
/* Set the LPUART clock source */
if (obj->index == LPUART_0) {
CLOCK_SetLpuart0Clock(1U);
} else {
CLOCK_SetLpuart1Clock(1U);
}
lpuart_config_t config;
LPUART_GetDefaultConfig(&config);
config.baudRate_Bps = 9600;
config.enableTx = false;
config.enableRx = false;
LPUART_Init(uart_addrs[obj->index], &config, CLOCK_GetFreq(uart_clocks[obj->index]));
pinmap_pinout(tx, PinMap_UART_TX);
pinmap_pinout(rx, PinMap_UART_RX);
if (tx != NC) {
LPUART_EnableTx(uart_addrs[obj->index], true);
pin_mode(tx, PullUp);
}
if (rx != NC) {
LPUART_EnableRx(uart_addrs[obj->index], true);
pin_mode(rx, PullUp);
}
if (obj->index == STDIO_UART) {
stdio_uart_inited = 1;
memcpy(&stdio_uart, obj, sizeof(serial_t));
}
}
