set i2s config, 48k 32b 2channels

abhishek-samsung · Apr 12, 2022 · 2d164c9 · 2d164c9
1 parent 5d5602f
commit 2d164c9
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Showing 5 changed files with 22 additions and 24 deletions.
diff --git a/apps/examples/hello/hello_main.c b/apps/examples/hello/hello_main.c
@@ -86,6 +86,8 @@ int hello_main(int argc, char *argv[])
 #if 1
     amebad_PA0_set(0);
     lldbg("set gpio0 to low");
+    lldbg("registering i2s driver\n");
+    struct i2s_dev_s *i2s = amebad_i2s_initialize(0);
     sleep(2);
     amebad_PA0_set(1);
     lldbg("set gpio0 to high");
@@ -102,7 +104,9 @@ int hello_main(int argc, char *argv[])
     config.frequency = 100000;
     config.addrlen = 7;
     config.address = 0x1A;
-
+
+//    while(true) {
+
     addr[0] = 0x04;
     addr[1] = 0x00;
 
@@ -200,18 +204,17 @@ int hello_main(int argc, char *argv[])
     addr[0] = 0x01; 
     addr[1] = 0x00;
 
-    for (int i = 0; i < 6; i++) {
-    	ret = i2c_write(dev, &config, addr, 2);
+    ret = i2c_write(dev, &config, addr, 2);
 
-    	if (ret != 2) {
-        	lldbg("write fail\n");
-            	return;
-    	}
-    	else lldbg("written 0x%02x to regaddr 0x%02x\n", addr[1], addr[0]);
-    }
+    if (ret != 2) {
+        lldbg("write fail\n");
+        return;
+    } else lldbg("written 0x%02x to regaddr 0x%02x\n", addr[1], addr[0]);
 
     sleep(2);
 
+    while(true) {
+
     ret = i2c_write(dev, &config, addr, 1); // send address 0x01 followed by read command.
 
     if (ret != 1) {
@@ -228,8 +231,12 @@ int hello_main(int argc, char *argv[])
 
     lldbg("read 0x%02x from regaddr 0x%02x\n", buf[0], addr[0]);
 
+    if (buf[0] == 0x02) break;    // wait until we read 0x02 from the register.
+
     sleep(2);
 
+    }
+
     addr[0] = 0x2A; // write to regaddr 0x01 value 0x00
     addr[1] = 0xCC;
 

diff --git a/build/configs/rtl8721csm/hello/defconfig b/build/configs/rtl8721csm/hello/defconfig
@@ -130,7 +130,7 @@ CONFIG_RTL8721D_UART1=y
 CONFIG_RTL8721D_UART2=y
 CONFIG_RTL8721D_SERIAL_FIFO=y
 CONFIG_AMEBAD_I2S=y
-CONFIG_AMEBAD_I2S_RX=y
+# CONFIG_AMEBAD_I2S_RX is not set
 CONFIG_AMEBAD_I2S_TX=y
 # CONFIG_AMEBAD_I2C_DYNTIMEO is not set
 CONFIG_AMEBAD_I2CTIMEOSEC=0

diff --git a/os/arch/arm/src/amebad/amebad_i2s.c b/os/arch/arm/src/amebad/amebad_i2s.c
@@ -281,10 +281,10 @@ static int i2s_err_cb_register(struct i2s_dev_s *dev, i2s_err_cb_t cb, void *arg
 
 static const i2s_config_t i2s_default_config = {
 
-	.sample_rate = CONFIG_AMEBAD_I2S_SAMPLERATE,
-	.bits_per_sample = CONFIG_AMEBAD_I2S_DATALEN,
+	.sample_rate =  I2S_SR_48KHZ,
+	.bits_per_sample = I2S_BITS_PER_SAMPLE_32BIT,
 
-	.channel_num = CH_MONO,
+	.channel_num = CH_STEREO,
 #if defined(I2S_HAVE_TX) && (0 < I2S_HAVE_TX)
 	.direction = I2S_DIR_TX,
 #endif
@@ -1055,7 +1055,7 @@ void i2s_transfer_rx_handleirq(void *data, char *pbuf)
 
 	int result = OK;
 
-	i2s_rxdma_callback(priv, result);
+	//i2s_rxdma_callback(priv, result);
 }
 
 #if defined(I2S_HAVE_RX) && (0 < I2S_HAVE_RX)

diff --git a/os/arch/arm/src/amebad/amebad_lowerhalf.c b/os/arch/arm/src/amebad/amebad_lowerhalf.c
@@ -267,6 +267,7 @@ FAR struct gpio_lowerhalf_s *amebad_gpio_lowerhalf(u32 pinname, u32 pinmode, u32
 	gpio_init(&lower->obj, pinname);
     	gpio_dir(&lower->obj, pinmode);
     	gpio_mode(&lower->obj, pinpull);
+	gpio_write(&lower->obj, 0);
 	lower->pinmode =pinmode;
 	lower->pinpull = pinpull;
 	lower->ops = &amebad_gpio_ops;

diff --git a/os/board/rtl8721csm/src/rtl8721csm_boot.c b/os/board/rtl8721csm/src/rtl8721csm_boot.c
@@ -172,16 +172,6 @@ void board_gpio_initialize(void)
 	} pins[] = {
 		{
 			PA_0, PIN_OUTPUT, PullNone
-		}, {
-			PA_1, PIN_OUTPUT, PullNone
-		}, {
-			PA_2, PIN_OUTPUT, PullNone
-		}, {
-			PA_3, PIN_OUTPUT, PullNone
-		}, {
-			PB_5, PIN_OUTPUT, PullNone
-		}, {
-			PA_12, PIN_INPUT, PullDown
 		},
 		/*		{PA_6, PIN_OUTPUT, PullNone},
 				{PA_7, PIN_OUTPUT, PullNone},