55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
#include "bflb_mtimer.h"
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#include "bflb_uart.h"
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#include "board.h"
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struct bflb_device_s *uartx;
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void uart_isr(int irq, void *arg)
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{
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uint32_t intstatus = bflb_uart_get_intstatus(uartx);
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if (intstatus & UART_INTSTS_RX_FIFO) {
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printf("rx fifo\r\n");
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while (bflb_uart_rxavailable(uartx)) {
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printf("0x%02x\r\n", bflb_uart_getchar(uartx));
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}
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bflb_uart_feature_control(uartx, UART_CMD_SET_RTS_VALUE, 1);
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}
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if (intstatus & UART_INTSTS_RTO) {
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printf("rto\r\n");
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while (bflb_uart_rxavailable(uartx)) {
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printf("0x%02x\r\n", bflb_uart_getchar(uartx));
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}
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bflb_uart_int_clear(uartx, UART_INTCLR_RTO);
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}
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}
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int main(void)
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{
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board_init();
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board_uartx_gpio_init();
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uartx = bflb_device_get_by_name(DEFAULT_TEST_UART);
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struct bflb_uart_config_s cfg;
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cfg.baudrate = 256000;
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cfg.data_bits = UART_DATA_BITS_8;
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cfg.stop_bits = UART_STOP_BITS_1;
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cfg.parity = UART_PARITY_NONE;
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cfg.flow_ctrl = 0;
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cfg.tx_fifo_threshold = 7;
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cfg.rx_fifo_threshold = 7;
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bflb_uart_init(uartx, &cfg);
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bflb_uart_rxint_mask(uartx, false);
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bflb_irq_attach(uartx->irq_num, uart_isr, NULL);
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bflb_irq_enable(uartx->irq_num);
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bflb_uart_feature_control(uartx, UART_CMD_SET_SW_RTS_CONTROL, true);
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bflb_uart_feature_control(uartx, UART_CMD_SET_RTS_VALUE, 0);
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while (1) {
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bflb_mtimer_delay_ms(2000);
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}
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}
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