#include "system/includes.h" #include "asm/uart_dev.h" #include "system/event.h" #include "key_event_deal.h" #include "app_task.h" #if 0 /* [[ 注意!!! ]] * 如果当系统任务较少时使用本demo,需要将低功耗关闭(#define TCFG_LOWPOWER_LOWPOWER_SEL 0//SLEEP_EN ),否则任务被串口接收函数调用信号量pend时会导致cpu休眠,串口中断和DMA接收将遗漏数据或数据不正确 */ #define UART_DEV_USAGE_TEST_SEL 2 //uart_dev.c api接口使用方法选择 // 选择1 串口中断回调函数推送事件,由事件响应函数接收串口数据 // 选择2 由task接收串口数据 #define UART_DEV_TEST_MULTI_BYTE 1 //uart_dev.c 读写多个字节api / 读写1个字节api 选择 #define UART_DEV_FLOW_CTRL 0 const uart_bus_t *uart_bus; static u8 uart_cbuf[512] __attribute__((aligned(4))); static u8 uart_rxbuf[512] __attribute__((aligned(4))); //设备事件响应demo static void uart_event_handler(struct sys_event *e) { u32 uart_rxcnt = 0; if ((u32)e->arg == DEVICE_EVENT_FROM_UART_RX_OVERFLOW) { if (e->u.dev.event == DEVICE_EVENT_CHANGE) { /* printf("uart event: DEVICE_EVENT_FROM_UART_RX_OVERFLOW\n"); */ uart_bus = (const uart_bus_t *)e->u.dev.value; uart_rxcnt = uart_bus->read(uart_rxbuf, sizeof(uart_rxbuf), 0); if (uart_rxcnt) { printf("get_buffer:\n"); for (int i = 0; i < uart_rxcnt; i++) { my_put_u8hex(uart_rxbuf[i]); if (i % 16 == 15) { putchar('\n'); } } if (uart_rxcnt % 16) { putchar('\n'); } #if (!UART_DEV_FLOW_CTRL) uart_bus->write(uart_rxbuf, uart_rxcnt); #endif } printf("uart out\n"); } } if ((u32)e->arg == DEVICE_EVENT_FROM_UART_RX_OUTTIME) { if (e->u.dev.event == DEVICE_EVENT_CHANGE) { /* printf("uart event:DEVICE_EVENT_FROM_UART_RX_OUTTIME\n"); */ uart_bus = (const uart_bus_t *)e->u.dev.value; uart_rxcnt = uart_bus->read(uart_rxbuf, sizeof(uart_rxbuf), 0); if (uart_rxcnt) { printf("get_buffer:\n"); for (int i = 0; i < uart_rxcnt; i++) { my_put_u8hex(uart_rxbuf[i]); if (i % 16 == 15) { putchar('\n'); } } if (uart_rxcnt % 16) { putchar('\n'); } #if (!UART_DEV_FLOW_CTRL) uart_bus->write(uart_rxbuf, uart_rxcnt); #endif } printf("uart out\n"); } } } //SYS_EVENT_HANDLER(SYS_DEVICE_EVENT, uart_event_handler, 0); int uart_tr_send_data(u8 *data, u32 len) { #ifndef CONFIG_DEBUG_ENABLE uart_bus->write(data,len); #endif // CONFIG_DEBUG_ENABLE } extern int dual_ota_app_data_deal(u32 msg, u8 *buf, u32 len); static void uart_u_task(void *arg) { int ret; u32 uart_rxcnt = 0; printf("uart_u_task start\n"); while (1) { //uart_bus->read()在尚未收到串口数据时会pend信号量,挂起task,直到UART_RX_PND或UART_RX_OT_PND中断发生,post信号量,唤醒task uart_rxcnt = uart_bus->read(uart_rxbuf, sizeof(uart_rxbuf), 0); if (uart_rxcnt) { // uart_tr_send_data(uart_rxbuf,uart_rxcnt); // dual_ota_app_data_deal(0, uart_rxbuf, uart_rxcnt); } } } static void uart_isr_hook(void *arg, u32 status) { struct sys_event e; //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 if (status == UT_RX) { printf("uart_rx_isr\n"); #if (UART_DEV_USAGE_TEST_SEL == 1) e.type = SYS_DEVICE_EVENT; e.arg = (void *)DEVICE_EVENT_FROM_UART_RX_OVERFLOW; e.u.dev.event = DEVICE_EVENT_CHANGE; e.u.dev.value = (int)ubus; sys_event_notify(&e); #endif } if (status == UT_RX_OT) { printf("uart_rx_ot_isr\n"); #if (UART_DEV_USAGE_TEST_SEL == 1) e.type = SYS_DEVICE_EVENT; e.arg = (void *)DEVICE_EVENT_FROM_UART_RX_OUTTIME; e.u.dev.event = DEVICE_EVENT_CHANGE; e.u.dev.value = (int)ubus; sys_event_notify(&e); #endif } } void uart_dev_test_main() { #ifndef CONFIG_DEBUG_ENABLE struct uart_platform_data_t u_arg = {0}; u_arg.tx_pin = IO_PORT_DP; u_arg.rx_pin = -1; u_arg.rx_cbuf = uart_cbuf; u_arg.rx_cbuf_size = 512; u_arg.frame_length = 512; u_arg.rx_timeout = 10; u_arg.isr_cbfun = NULL;//uart_isr_hook; u_arg.baud = 115200; u_arg.is_9bit = 0; uart_bus = uart_dev_open(&u_arg); if (uart_bus != NULL) { printf("uart_dev_open() success\n"); #if (UART_DEV_USAGE_TEST_SEL == 2) os_task_create(uart_u_task, (void *)uart_bus, 31, 2048, 0, "uart_u_task"); #endif } #endif // CONFIG_DEBUG_ENABLE } #else void uart_dev_test_main() { } int uart_tr_send_data(u8 *data, u32 len) { } #endif