133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
#include "app_config.h"
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#ifdef AUDIO_PCM_DEBUG
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#include "system/includes.h"
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#include "asm/uart_dev.h"
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#define PCM_UART1_TX_PORT IO_PORTP_00
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#define PCM_UART1_RX_PORT -1
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static u8 uart_cbuf[32] __attribute__((aligned(4)));
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const uart_bus_t *uart_bus = NULL;
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//设备事件响应demo
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void uart_event_handler(struct sys_event *e)
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{
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u8 uart_rxbuf[12] = {0};
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u8 uart_txbuf[12] = {0};
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const uart_bus_t *_uart_bus;
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u32 uart_rxcnt = 0;
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u8 i = 0;
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if (0) {//!strcmp(e->arg, "uart_rx_overflow")) {
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if (e->u.dev.event == DEVICE_EVENT_CHANGE) {
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printf("uart event: %s\n", e->arg);
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_uart_bus = (const uart_bus_t *)e->u.dev.value;
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uart_rxcnt = _uart_bus->read(uart_rxbuf, sizeof(uart_rxbuf), 0);
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if (uart_rxcnt) {
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g_printf("rx:%s", uart_rxbuf);
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}
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}
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}
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if (0) { //(!strcmp(e->arg, "uart_rx_outtime")) {
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if (e->u.dev.event == DEVICE_EVENT_CHANGE) {
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printf("uart event: %s\n", e->arg);
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_uart_bus = (const uart_bus_t *)e->u.dev.value;
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uart_rxcnt = _uart_bus->read(uart_rxbuf, sizeof(uart_rxbuf), 0);
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if (uart_rxcnt) {
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printf("get_buffer:\n");
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for (int i = 0; i < uart_rxcnt; i++) {
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putbyte(uart_rxbuf[i]);
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if (i % 16 == 15) {
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putchar('\n');
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}
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}
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if (uart_rxcnt % 16) {
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putchar('\n');
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}
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_uart_bus->write(uart_rxbuf, uart_rxcnt);
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}
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printf("uart out\n");
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}
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}
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}
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SYS_EVENT_HANDLER(SYS_DEVICE_EVENT, uart_event_handler, 0);
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void gpio_change(void *priv);
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static void uart_isr_hook(void *arg, u32 status)
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{
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const uart_bus_t *ubus = arg;
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struct sys_event e;
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//当CONFIG_UARTx_ENABLE_TX_DMA（x = 0, 1）为1时，不要在中断里面调用ubus->write()，因为中断不能pend信号量
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if (status == UT_RX) {
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printf("uart_rx_isr\n");
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#if 1//(UART_DEV_USAGE_TEST_SEL == 1)
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e.type = SYS_DEVICE_EVENT;
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e.arg = "uart_rx_overflow";
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e.u.dev.event = DEVICE_EVENT_CHANGE;
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e.u.dev.value = (int)ubus;
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sys_event_notify(&e);
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#endif
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}
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if (status == UT_RX_OT) {
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printf("uart_rx_ot_isr\n");
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#if 1//(UART_DEV_USAGE_TEST_SEL == 1)
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e.type = SYS_DEVICE_EVENT;
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e.arg = "uart_rx_outtime";
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e.u.dev.event = DEVICE_EVENT_CHANGE;
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e.u.dev.value = (int)ubus;
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sys_event_notify(&e);
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#endif
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}
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if (status == UT_TX) {
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/* putchar('T'); */
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/* gpio_change(0); */
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}
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}
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void uartSendData(void *buf, u16 len) //发送数据的接口。
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{
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if (uart_bus) {
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uart_bus->write(buf, len); //把数据写到DMA
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}
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}
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/* char *TickPage = "uart online"; */
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/* void uartTickSend(void *priv){ */
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/* if(uartTickSendFlag){ */
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/* r_printf("sizeof:%d\n", sizeof(TickPage)); */
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/* uartSendData(TickPage, sizeof(TickPage)); */
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/* } */
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/* } */
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void uartSendInit()
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{
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struct uart_platform_data_t u_arg = {0};
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u_arg.tx_pin = PCM_UART1_TX_PORT;
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u_arg.rx_pin = PCM_UART1_RX_PORT;
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u_arg.rx_cbuf = uart_cbuf;
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u_arg.rx_cbuf_size = 32;
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u_arg.frame_length = 6;
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u_arg.rx_timeout = 100;
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u_arg.isr_cbfun = uart_isr_hook;
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u_arg.baud = 2000000;
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u_arg.is_9bit = 0;
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r_printf("uart_dev_open() ...\n");
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uart_bus = uart_dev_open(&u_arg);
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r_printf("comming %s,%d\n", __func__, __LINE__);
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if (uart_bus != NULL) {
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r_printf("success\n");
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gpio_set_hd(PCM_UART1_TX_PORT, 1);
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gpio_set_hd0(PCM_UART1_TX_PORT, 1);
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//os_task_create(uart_u_task, (void *)uart_bus, 31, 512, 0, "uart_u_task");
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} else {
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r_printf("false\n");
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}
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}
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#endif
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