huxi
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
#ifdef SUPPORT_MS_EXTENSIONS
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#pragma bss_seg(".uartPcmSender.data.bss")
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#pragma data_seg(".uartPcmSender.data")
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#pragma const_seg(".uartPcmSender.text.const")
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#pragma code_seg(".uartPcmSender.text")
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#endif
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#include "app_config.h"
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#include "uartPcmSender.h"
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#if ((defined TCFG_AUDIO_DATA_EXPORT_DEFINE) && (TCFG_AUDIO_DATA_EXPORT_DEFINE == AUDIO_DATA_EXPORT_VIA_UART))
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#include "system/includes.h"
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#include "uart.h"
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struct uart_send_hdl_t {
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int uart;
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u8 *dma_buf;
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int dma_buf_size;
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};
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struct uart_send_hdl_t *uart_send_hdl = NULL;
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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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struct uart_send_hdl_t *hdl = uart_send_hdl;
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uartSendInit();
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if (hdl) {
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if (hdl->uart != -1) {
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if (hdl->dma_buf == NULL) {
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printf("%s : %d", __func__, __LINE__);
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hdl->dma_buf_size = len;
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hdl->dma_buf = dma_malloc(hdl->dma_buf_size);
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}
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if (hdl->dma_buf_size != len) {
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printf("%s : %d", __func__, __LINE__);
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dma_free(hdl->dma_buf);
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hdl->dma_buf_size = len;
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hdl->dma_buf = dma_malloc(hdl->dma_buf_size);
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}
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memcpy(hdl->dma_buf, buf, len);
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/* uart_send_bytes(hdl->uart, hdl->dma_buf, len); */
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int wlen = uart_send_blocking(hdl->uart, hdl->dma_buf, hdl->dma_buf_size, 100);
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if (wlen != hdl->dma_buf_size) {
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putchar('f');
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}
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}
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}
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return;
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}
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static int uartSendInit()
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{
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if (uart_send_hdl) {
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return 0;
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}
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struct uart_send_hdl_t *hdl = zalloc(sizeof(*hdl));
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uart_send_hdl = hdl;
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struct uart_config ut = {
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.baud_rate = PCM_UART1_BAUDRATE,
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.tx_pin = PCM_UART1_TX_PORT,
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.rx_pin = PCM_UART1_RX_PORT,
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};
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hdl->uart = uart_init(-1, &ut);
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if (hdl->uart < 0) {
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printf("open uart dev err\n");
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hdl->uart = -1;
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}
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struct uart_dma_config dma_config = {
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.event_mask = UART_EVENT_TX_DONE,
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};
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uart_dma_init(hdl->uart, &dma_config);
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int clock_lock(const char *name, u32 clk);
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clock_lock("sys", TCFG_MAX_LIMIT_SYS_CLOCK);
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return 0;
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}
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late_initcall(uartSendInit);
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void uartSendExit()
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{
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struct uart_send_hdl_t *hdl = uart_send_hdl;
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if (hdl) {
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if (hdl->uart != -1) {
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uart_deinit(hdl->uart);
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hdl->uart = -1 ;
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}
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if (hdl->dma_buf) {
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dma_free(hdl->dma_buf);
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hdl->dma_buf = NULL;
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}
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free(hdl);
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hdl = NULL;
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uart_send_hdl = NULL;
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}
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}
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#endif/*TCFG_AUDIO_DATA_EXPORT_DEFINE*/
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