update stm32 radio code;

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@23 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/stm32_radio/wav.c

+#include <finsh.h>
+#include <dfs_posix.h>
+#include "stm32f10x_lib.h"
+
+rt_uint32_t wav_length;
+rt_uint8_t* wav_buffer;
+
+#define WAV_MP_NUM		2
+#define WAV_MP_BUFSZ	(1024 * 1)
+#define STATIC_MEMPOOL
+#ifdef STATIC_MEMPOOL
+static rt_uint8_t mempool[(WAV_MP_BUFSZ + 4)* WAV_MP_NUM]; // 5k x 2
+static struct rt_mempool _mp;
+#endif
+static rt_mp_t mp;
+
+static rt_err_t wav_tx_done(rt_device_t dev, void *buffer)
+{
+	/* release memory block to memory pool */
+	rt_mp_free(buffer);
+
+	return RT_EOK;
+}
+
+void wav(char* filename)
+{
+    int fd;
+
+#ifdef STATIC_MEMPOOL
+	rt_mp_init(&_mp, "wav", &mempool[0], sizeof(mempool), WAV_MP_BUFSZ);
+	mp = &_mp;
+#else
+	mp = rt_mp_create("wav", WAV_MP_NUM, WAV_MP_BUFSZ);
+#endif
+
+    fd = open(filename, O_RDONLY, 0);
+    if (fd >= 0)
+    {
+		rt_uint8_t* buf;
+		rt_size_t 	len;
+		rt_device_t device;
+		
+		/* open audio device and set tx done call back */
+		device = rt_device_find("snd");
+		rt_device_set_tx_complete(device, wav_tx_done);
+		rt_device_open(device, RT_DEVICE_OFLAG_WRONLY);
+
+		// buf = rt_mp_alloc(mp, RT_WAITING_FOREVER);
+		// len = read(fd, (char*)buf, WAV_MP_BUFSZ);
+
+		do {
+			buf = rt_mp_alloc(mp, RT_WAITING_FOREVER);
+			rt_kprintf("read file");
+			len = read(fd, (char*)buf, WAV_MP_BUFSZ);
+			rt_kprintf("...done!\n");
+			if (len > 0) rt_device_write(device, 0, buf, len);
+		} while (len != 0);
+		
+		/* close device and file */
+		rt_device_close(device);
+		close(fd);
+		
+		/* delete memory pool */
+#ifdef STATIC_MEMPOOL
+		rt_mp_detach(mp);
+#else
+		rt_mp_delete(mp);
+#endif
+    }
+}
+FINSH_FUNCTION_EXPORT(wav, wav test)
+
+/* DMA Test */
+#define BufferSize         32
+u8 SPI2_Buffer_Tx[BufferSize] = {0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,
+                                 0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,0x60,0x61,0x62,
+                                 0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,
+                                 0x6C,0x6D,0x6E,0x6F,0x70};
+
+void wm(int cnt)
+{
+	rt_device_t device;
+	rt_uint8_t *buf;
+
+	mp = rt_mp_create("wav", WAV_MP_NUM, WAV_MP_BUFSZ);
+
+	device = rt_device_find("snd");
+	rt_device_set_tx_complete(device, wav_tx_done);
+	rt_device_open(device, RT_DEVICE_OFLAG_WRONLY);
+
+	while(cnt)
+	{
+		buf = rt_mp_alloc(mp, RT_WAITING_FOREVER);
+		rt_memcpy(buf, SPI2_Buffer_Tx, BufferSize);
+
+		rt_device_write(device, 0, buf, BufferSize);
+		
+		cnt --;
+	}
+
+	rt_device_close(device);
+	rt_mp_delete(mp);
+}
+FINSH_FUNCTION_EXPORT(wm, wm test)
+

bsp/stm32_radio/wm8753.c

+#include <rthw.h>
+#include <rtthread.h>
+#include "stm32f10x_lib.h"
+
+/*
+ * WM8753 Driver
+ */
+	
+/* WM8753 register definitions */
+#define WM8753_DAC		0x01
+#define WM8753_ADC		0x02
+#define WM8753_PCM		0x03
+#define WM8753_HIFI		0x04
+#define WM8753_IOCTL	0x05
+#define WM8753_SRATE1	0x06
+#define WM8753_SRATE2	0x07
+#define WM8753_LDAC		0x08
+#define WM8753_RDAC		0x09
+#define WM8753_BASS		0x0a
+#define WM8753_TREBLE	0x0b
+#define WM8753_ALC1		0x0c
+#define WM8753_ALC2		0x0d
+#define WM8753_ALC3		0x0e
+#define WM8753_NGATE	0x0f
+#define WM8753_LADC		0x10
+#define WM8753_RADC		0x11
+#define WM8753_ADCTL1	0x12
+#define WM8753_3D		0x13
+#define WM8753_PWR1		0x14
+#define WM8753_PWR2		0x15
+#define WM8753_PWR3		0x16
+#define WM8753_PWR4		0x17
+#define WM8753_ID		0x18
+#define WM8753_INTPOL	0x19
+#define WM8753_INTEN	0x1a
+#define WM8753_GPIO1	0x1b
+#define WM8753_GPIO2	0x1c
+#define WM8753_RESET	0x1f
+#define WM8753_RECMIX1	0x20
+#define WM8753_RECMIX2	0x21
+#define WM8753_LOUTM1	0x22
+#define WM8753_LOUTM2	0x23
+#define WM8753_ROUTM1	0x24
+#define WM8753_ROUTM2	0x25
+#define WM8753_MOUTM1	0x26
+#define WM8753_MOUTM2	0x27
+#define WM8753_LOUT1V	0x28
+#define WM8753_ROUT1V	0x29
+#define WM8753_LOUT2V	0x2a
+#define WM8753_ROUT2V	0x2b
+#define WM8753_MOUTV	0x2c
+#define WM8753_OUTCTL	0x2d
+#define WM8753_ADCIN	0x2e
+#define WM8753_INCTL1	0x2f
+#define WM8753_INCTL2	0x30
+#define WM8753_LINVOL	0x31
+#define WM8753_RINVOL	0x32
+#define WM8753_MICBIAS	0x33
+#define WM8753_CLOCK	0x34
+#define WM8753_PLL1CTL1	0x35
+#define WM8753_PLL1CTL2	0x36
+#define WM8753_PLL1CTL3	0x37
+#define WM8753_PLL1CTL4	0x38
+#define WM8753_PLL2CTL1	0x39
+#define WM8753_PLL2CTL2	0x3a
+#define WM8753_PLL2CTL3	0x3b
+#define WM8753_PLL2CTL4	0x3c
+#define WM8753_BIASCTL	0x3d
+#define WM8753_ADCTL2	0x3f
+
+/*
+SCLK  PA3  SPI1_SCK
+SDIN  PA7  SPI1_MOSI
+CSB   PA2  SPI1_NSS
+*/
+#define wm_sclk_0  GPIO_ResetBits(GPIOA,GPIO_Pin_3)
+#define wm_sclk_1  GPIO_SetBits(GPIOA,GPIO_Pin_3)
+#define wm_sdin_0  GPIO_ResetBits(GPIOA,GPIO_Pin_7)
+#define wm_sdin_1  GPIO_SetBits(GPIOA,GPIO_Pin_7)
+#define wm_csb_0   GPIO_ResetBits(GPIOA,GPIO_Pin_2)
+#define wm_csb_1   GPIO_SetBits(GPIOA,GPIO_Pin_2)
+
+#define DATA_NODE_MAX 5
+/* data node for Tx Mode */
+struct wm8753_data_node
+{
+	rt_uint16_t *data_ptr;
+	rt_size_t  data_size;
+};
+
+struct wm8753_device
+{
+	/* inherit from rt_device */
+	struct rt_device parent;
+
+	/* pcm data list */
+	struct wm8753_data_node data_list[DATA_NODE_MAX];
+	rt_uint16_t read_index, put_index;
+
+	/* transmitted offset of current data node */
+	rt_size_t offset;
+};
+struct wm8753_device wm8753;
+
+static void NVIC_Configuration(void)
+{
+	NVIC_InitTypeDef NVIC_InitStructure;
+	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
+	
+	/* SPI2 IRQ Channel configuration */
+	NVIC_InitStructure.NVIC_IRQChannel = SPI2_IRQChannel;
+	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+	NVIC_Init(&NVIC_InitStructure);
+
+	/* DMA1 IRQ Channel configuration */
+	NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel5_IRQChannel;
+	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+	NVIC_Init(&NVIC_InitStructure);
+}
+
+static void GPIO_Configuration(void)
+{
+    GPIO_InitTypeDef GPIO_InitStructure;
+
+	/* Disable the JTAG interface and enable the SWJ interface */
+	GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
+
+	/* Configure GPIOA 2, 3, 7 */
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_7;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
+    GPIO_Init(GPIOA,&GPIO_InitStructure);
+
+	/* Configure SPI2 pins: CK, WS and SD */
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_15;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+	GPIO_Init(GPIOB, &GPIO_InitStructure);
+}
+
+#define SPI2_DR_Address  0x4000380C
+static void DMA_Configuration(rt_uint32_t addr, rt_size_t size)
+{
+	DMA_InitTypeDef    DMA_InitStructure;
+
+	/* DMA1 Channel2 configuration ----------------------------------------------*/
+	DMA_Cmd(DMA1_Channel5, DISABLE);
+	DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SPI2_DR_Address;
+	DMA_InitStructure.DMA_MemoryBaseAddr = (u32)addr;
+	DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
+	DMA_InitStructure.DMA_BufferSize = size;
+	DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+	DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+	DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
+	DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
+	DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
+	DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+	DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+	DMA_Init(DMA1_Channel5, &DMA_InitStructure);
+	
+	/* Enable SPI2 DMA Tx request */
+	SPI_I2S_DMACmd(SPI2, SPI_I2S_DMAReq_Tx, ENABLE);
+	
+	DMA_ITConfig(DMA1_Channel5, DMA_IT_TC, ENABLE);
+	DMA_Cmd(DMA1_Channel5, ENABLE);
+}
+
+static void I2S_Configuration(void)
+{
+	I2S_InitTypeDef I2S_InitStructure;
+
+	/* I2S peripheral configuration */
+	I2S_InitStructure.I2S_Standard = I2S_Standard_LSB;
+	I2S_InitStructure.I2S_DataFormat = I2S_DataFormat_16b;
+	I2S_InitStructure.I2S_MCLKOutput = I2S_MCLKOutput_Disable;
+	I2S_InitStructure.I2S_AudioFreq = I2S_AudioFreq_44k;
+	I2S_InitStructure.I2S_CPOL = I2S_CPOL_High;// I2S_CPOL_Low
+
+	/* I2S2 Master Transmitter to I2S3 Slave Receiver communication -----------*/
+	/* I2S2 configuration */
+	I2S_InitStructure.I2S_Mode = I2S_Mode_MasterTx;//I2S_Mode_MasterTx
+	I2S_Init(SPI2, &I2S_InitStructure);
+}
+
+void wm8753_send(rt_uint16_t s_data)
+{
+    u8 i;
+    wm_sclk_0;
+
+    for(i=0;i<16;i++)
+    {
+        if(s_data & 0x8000)
+        {
+            wm_sdin_1;
+        }
+        else
+        {
+            wm_sdin_0;
+        }
+        //wde();
+        wm_sclk_1;
+        //wde();
+        s_data <<= 1;
+        wm_sclk_0;
+        //wde();
+    }
+
+    wm_csb_0;
+    //wde();
+    wm_csb_1;
+}
+
+void wm8753_hw_write(rt_uint16_t reg, rt_uint16_t value)
+{
+	rt_uint32_t index;
+
+	value = (reg << 9) | value;
+
+    wm_sclk_0;
+    for(index = 0; index < 16; index++)
+    {
+        if(value & 0x8000) wm_sdin_1;
+        else wm_sdin_0;
+
+        wm_sclk_1;
+        value <<= 1;
+        wm_sclk_0;
+    }
+
+    wm_csb_0;
+    wm_csb_1;
+}
+
+static rt_err_t wm8753_init (rt_device_t dev)
+{
+	wm8753_send(31<<9 | 0); // reset
+	
+	wm8753_send(20<<9 | (1<<7) | 1<<6 | 1<<3 | 1<<2 );      // 打开电源 处理部分
+	//wm8753_send(21<<9 | 0x1FF);
+	wm8753_send(22<<9 | 1<<3 | 1<<7 | 1<<8 | 1<<5 | 1<<6 ); // 电源管理 功率输出部分
+	wm8753_send(23<<9 | 1<<1 | 1 ); // 打开左右调音台电源
+	
+	/*  设置时钟及PLL　 */
+	#define MCLK1DIV2 0
+	#define pll1_N    11 // 12
+	#define pll1_K    0x1288CE // 0x126E97 //0x126E97
+	
+	#if pll1_K > 0x3FFFFF
+	#warning MAX bit(21:0)
+	#endif
+	
+	wm8753_send(53<<9 | 1<<5 | MCLK1DIV2<<3 | 1<<2 | 1<<1 | 1 );
+	wm8753_send(54<<9 | pll1_N<<5 | (pll1_K>>18) );
+	wm8753_send(55<<9 | ( (pll1_K>>9)&0x1FF ) );
+	wm8753_send(56<<9 | ( (pll1_K)&0x1FF ) );
+	
+	wm8753_send(52<<9 | 1<<1 | 1 ); // 打开CLK输出 测试用 可以不设置
+	/*  设置时钟及PLL　 */
+	
+	/* 设置IIS及DAC */
+	// wm8753_send(6<<9 | 0<<1 | 0 ); // 48K
+	wm8753_send(6<<9 | 1<<5 | 0 ); // 44.1K
+	wm8753_send(4<<9 | 0<<6 | 2 ); // 6.master IIS
+	wm8753_send(1<<9 | 0 ); // 关闭DAC静音
+	/* 设置IIS及DAC */
+
+	/* 设置模拟通道及功放输出部分 */
+	wm8753_send(34<<9 | 1<<8 | 1<<7 | 4<<4 );  // DAC LINE
+	wm8753_send(36<<9 | 1<<8 | 1<<7 | 4<<4 );  // DAC LINE
+	
+	wm8753_send(40<<9 | 1<<8 | 1<<7 | 110);    // 耳机音量
+	wm8753_send(41<<9 | 1<<8 | 1<<7 | 110);    // 耳机音量
+	
+	wm8753_send(45<<9 | 1<<2); // 设置ROUT反向
+	wm8753_send(43<<9 | 1<<8 | 1<<7 | 70 ); //喇叭音量
+
+	return RT_EOK;
+}
+
+#include <finsh.h>
+void vol(int v)
+{
+	wm8753_send(40<<9 | 1<<8 | 1<<7 | v);    // 耳机音量
+	wm8753_send(41<<9 | 1<<8 | 1<<7 | v);    // 耳机音量
+}
+FINSH_FUNCTION_EXPORT(vol, set volume)
+
+static rt_err_t wm8753_open(rt_device_t dev, rt_uint16_t oflag)
+{
+	/* enable I2S */
+	I2S_Cmd(SPI2, ENABLE);
+
+	return RT_EOK;
+}
+
+static rt_err_t wm8753_close(rt_device_t dev)
+{
+	/* interrupt mode */
+	if (dev->flag & RT_DEVICE_FLAG_INT_TX)
+	{
+		/* Disable the I2S2 */
+		I2S_Cmd(SPI2, DISABLE);
+	}
+
+	/* remove all data node */
+	
+	return RT_EOK;
+}
+
+static rt_err_t wm8753_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+{
+	/* rate control */
+	return RT_EOK;
+}
+
+static rt_size_t wm8753_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
+{
+	struct wm8753_device* device;
+	struct wm8753_data_node* node;
+	rt_uint32_t level;
+	rt_uint16_t next_index;
+	
+	device = (struct wm8753_device*)dev;
+	RT_ASSERT(device != RT_NULL);
+	
+	next_index = device->put_index + 1;
+	if (next_index >= DATA_NODE_MAX) next_index = 0;
+
+	/* check data_list full */
+	if (next_index == device->read_index)
+	{
+		rt_set_errno(-RT_EFULL);
+		return 0;
+	}
+	
+	level = rt_hw_interrupt_disable();
+	node = &device->data_list[device->put_index];
+	device->put_index = next_index;
+
+	// rt_kprintf("+\n");
+	/* set node attribute */
+	node->data_ptr = (rt_uint16_t*)buffer;
+	node->data_size = size >> 1; /* size is byte unit, convert to half word unit */
+
+// #if 0
+	{
+		/* sound patch */
+		rt_uint32_t index;
+		for (index = 0; index < node->data_size; index ++)
+		{
+			((rt_int16_t*)(node->data_ptr))[index] = (rt_int16_t)(node->data_ptr[index] + 0x8000);
+		}
+	}
+// #endif
+
+	next_index = device->read_index + 1;
+	if (next_index >= DATA_NODE_MAX) next_index = 0;
+	
+	/* check data list whether is empty */
+	if (next_index == device->put_index)
+	{
+		if (dev->flag & RT_DEVICE_FLAG_INT_TX)
+		{
+			device->offset = 0;
+			/* enable I2S interrupt */
+			SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, ENABLE);
+		}
+		else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
+		{
+			DMA_Configuration((rt_uint32_t)node->data_ptr, node->data_size);
+		}
+	}
+	rt_hw_interrupt_enable(level);
+
+	return size;
+}
+
+rt_err_t wm8753_hw_init(void)
+{
+	rt_device_t dev;
+	
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
+	RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
+	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
+	
+	NVIC_Configuration();
+	GPIO_Configuration();
+	I2S_Configuration();
+
+	dev = (rt_device_t)&wm8753;
+	dev->type			= RT_Device_Class_Unknown;
+	dev->rx_indicate 	= RT_NULL;
+	dev->tx_complete 	= RT_NULL;
+	dev->init 			= wm8753_init;
+	dev->open			= wm8753_open;
+	dev->close			= wm8753_close;
+	dev->read 			= RT_NULL;
+	dev->write 			= wm8753_write;
+	dev->control 		= wm8753_control;
+	dev->private		= RT_NULL;
+
+	/* set read_index and put index to 0 */
+	wm8753.read_index	= 0;
+	wm8753.put_index 	= 0;
+
+    wm_sclk_0;
+    wm_sclk_1;
+    wm_sclk_0;
+
+    wm_sdin_0;
+    wm_sdin_1;
+    wm_sdin_0;
+
+    wm_csb_0;
+    wm_csb_1;
+
+	/* register the device */
+	return rt_device_register(&wm8753.parent, "snd", 
+		RT_DEVICE_FLAG_WRONLY | RT_DEVICE_FLAG_DMA_TX);
+}
+
+void wm8753_isr()
+{
+	struct wm8753_data_node* node;
+	node = &wm8753.data_list[wm8753.read_index]; /* get current data node */
+	
+	if (SPI_I2S_GetITStatus(SPI2, SPI_I2S_IT_TXE) == SET)
+	{
+		SPI_I2S_SendData(SPI2, node->data_ptr[wm8753.offset++]);
+	}
+
+	if (wm8753.offset == node->data_size)
+	{
+		/* move to next node */
+		rt_uint16_t next_index;
+		
+		next_index = wm8753.read_index + 1;
+		if (next_index >= DATA_NODE_MAX) next_index = 0;
+
+		/* notify transmitted complete. */
+		if (wm8753.parent.tx_complete != RT_NULL)
+		{
+			wm8753.parent.tx_complete (&wm8753.parent, wm8753.data_list[wm8753.read_index].data_ptr);
+			rt_kprintf("-\n");
+		}
+
+		wm8753.offset = 0;
+		wm8753.read_index = next_index;
+		if (next_index == wm8753.put_index)
+		{
+			/* no data on the list, disable I2S interrupt */
+			SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, DISABLE);
+			
+			rt_kprintf("*\n");
+		}
+	}
+}
+
+void wm8753_dma_isr()
+{
+	/* switch to next buffer */
+	rt_uint16_t next_index;
+	void* data_ptr;
+	
+	next_index = wm8753.read_index + 1;
+	if (next_index >= DATA_NODE_MAX) next_index = 0;
+
+	/* save current data pointer */
+	data_ptr = wm8753.data_list[wm8753.read_index].data_ptr;
+
+	wm8753.read_index = next_index;
+	if (next_index != wm8753.put_index)
+	{
+		/* enable next dma request */
+		DMA_Configuration((rt_uint32_t)wm8753.data_list[wm8753.read_index].data_ptr, 
+			wm8753.data_list[wm8753.read_index].data_size);
+	}
+	else
+	{
+		rt_kprintf("*\n");
+	}
+
+	/* notify transmitted complete. */
+	if (wm8753.parent.tx_complete != RT_NULL)
+	{
+		wm8753.parent.tx_complete (&wm8753.parent, data_ptr);
+		// rt_kprintf("-\n");
+	}
+}
+