sys_log: replace old debug macros at DMA sample (9a8ff013) · Commits · Wenxi XU / zephyr

samples/drivers/dma/prj.conf

+2 −0

Original line number	Diff line number	Diff line
		CONFIG_DMA=y
		CONFIG_DMA_QMSI=y
		CONFIG_SYS_LOG=y
		CONFIG_SYS_LOG_DMA_LEVEL=4
		No newline at end of file

samples/drivers/dma/src/dma.c

+17 −21

Original line number	Diff line number	Diff line
		@@ -21,13 +21,8 @@
		#include <device.h>
		#include <dma.h>

		#if defined(CONFIG_STDOUT_CONSOLE)
		#include <stdio.h>
		#define DBG printf
		#else
		#include <misc/printk.h>
		#define DBG printk
		#endif
		#define SYS_LOG_LEVEL CONFIG_SYS_LOG_DMA_LEVEL
		#include <misc/sys_log.h>

		#include <string.h>

		@@ -66,7 +61,7 @@ static void test_transfer(struct device dev, void data)

		static void test_error(struct device dev, void data)
		{
		DBG("DMA could not proceed, an error occurred\n");
		SYS_LOG_ERR("DMA could not proceed, an error occurred");
		}

		void main(void)
		@@ -78,12 +73,13 @@ void main(void)
		struct dma_channel_config dma_chan_cfg = {0};
		struct dma_transfer_config dma_trans = {0};

		DBG("DMA memory to memory transfer started on %s\n", DMA_DEVICE_NAME);
		DBG("Preparing DMA Controller\n");
		SYS_LOG_DBG("DMA memory to memory transfer started on %s",
		DMA_DEVICE_NAME);
		SYS_LOG_DBG("Preparing DMA Controller");

		dma = device_get_binding(DMA_DEVICE_NAME);
		if (!dma) {
		DBG("Cannot get dma controller\n");
		SYS_LOG_ERR("Cannot get dma controller");
		return;
		}

		@@ -99,22 +95,22 @@ void main(void)
		dma_chan_cfg.callback_data = (void *)&chan_id;

		if (dma_channel_config(dma, chan_id, &dma_chan_cfg)) {
		DBG("Error: configuration\n");
		SYS_LOG_ERR("configuration");
		return;
		}

		DBG("Starting the transfer and waiting for 1 second\n");
		SYS_LOG_DBG("Starting the transfer and waiting for 1 second");
		dma_trans.block_size = strlen(tx_data);
		dma_trans.source_address = (uint32_t *)tx_data;
		dma_trans.destination_address = (uint32_t *)rx_data[transfer_count];

		if (dma_transfer_config(dma, chan_id, &dma_trans)) {
		DBG("ERROR: transfer\n");
		SYS_LOG_ERR("transfer");
		return;
		}

		if (dma_transfer_start(dma, chan_id)) {
		DBG("ERROR: transfer\n");
		SYS_LOG_ERR("transfer");
		return;
		}

		@@ -124,18 +120,18 @@ void main(void)

		if (transfer_count < TRANSFER_LOOPS) {
		transfer_count = TRANSFER_LOOPS;
		DBG("ERROR: unfinished transfer\n");
		SYS_LOG_ERR("unfinished transfer");
		if (dma_transfer_stop(dma, chan_id)) {
		DBG("ERROR: transfer stop\n");
		SYS_LOG_ERR("transfer stop");
		}
		}

		DBG("Each RX buffer should contain the full TX buffer string.\n");
		DBG("TX data: %s\n", tx_data);
		SYS_LOG_DBG("Each RX buffer should contain the full TX buffer string.");
		SYS_LOG_DBG("TX data: %s", tx_data);

		for (int i = 0; i < TRANSFER_LOOPS; i++) {
		DBG("RX data Loop %d: %s\n", i, rx_data[i]);
		SYS_LOG_DBG("RX data Loop %d: %s", i, rx_data[i]);
		}

		DBG("Finished: DMA\n");
		SYS_LOG_INF("Finished: DMA");
		}

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