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@@ -10,11 +10,13 @@
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#include <rtdevice.h>
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-#ifdef RT_I2C_BIT_DEBUG
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-#define bit_dbg(fmt, ...) rt_kprintf(fmt, ##__VA_ARGS__)
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+#define DBG_TAG "I2C"
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+#ifdef RT_I2C_BITOPS_DEBUG
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+#define DBG_LVL DBG_LOG
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#else
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-#define bit_dbg(fmt, ...)
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+#define DBG_LVL DBG_INFO
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#endif
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+#include <rtdbg.h>
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#define SET_SDA(ops, val) ops->set_sda(ops->data, val)
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#define SET_SCL(ops, val) ops->set_scl(ops->data, val)
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@@ -54,11 +56,11 @@ static rt_err_t SCL_H(struct rt_i2c_bit_ops *ops)
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return -RT_ETIMEOUT;
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rt_thread_delay((ops->timeout + 1) >> 1);
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}
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-#ifdef RT_I2C_BIT_DEBUG
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+#ifdef RT_I2C_BITOPS_DEBUG
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if (rt_tick_get() != start)
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{
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- bit_dbg("wait %ld tick for SCL line to go high\n",
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- rt_tick_get() - start);
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+ LOG_D("wait %ld tick for SCL line to go high",
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+ rt_tick_get() - start);
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}
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#endif
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@@ -70,14 +72,14 @@ done:
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static void i2c_start(struct rt_i2c_bit_ops *ops)
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{
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-#ifdef RT_I2C_BIT_DEBUG
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+#ifdef RT_I2C_BITOPS_DEBUG
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if (ops->get_scl && !GET_SCL(ops))
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{
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- bit_dbg("I2C bus error, SCL line low\n");
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+ LOG_E("I2C bus error, SCL line low");
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}
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if (ops->get_sda && !GET_SDA(ops))
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{
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- bit_dbg("I2C bus error, SDA line low\n");
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+ LOG_E("I2C bus error, SDA line low");
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}
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#endif
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SDA_L(ops);
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@@ -114,13 +116,13 @@ rt_inline rt_bool_t i2c_waitack(struct rt_i2c_bit_ops *ops)
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if (SCL_H(ops) < 0)
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{
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- bit_dbg("wait ack timeout\n");
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+ LOG_W("wait ack timeout");
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return -RT_ETIMEOUT;
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}
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ack = !GET_SDA(ops); /* ACK : SDA pin is pulled low */
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- bit_dbg("%s\n", ack ? "ACK" : "NACK");
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+ LOG_D("%s", ack ? "ACK" : "NACK");
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SCL_L(ops);
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@@ -142,8 +144,8 @@ static rt_int32_t i2c_writeb(struct rt_i2c_bus_device *bus, rt_uint8_t data)
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i2c_delay(ops);
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if (SCL_H(ops) < 0)
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{
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- bit_dbg("i2c_writeb: 0x%02x, "
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- "wait scl pin high timeout at bit %d\n",
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+ LOG_D("i2c_writeb: 0x%02x, "
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+ "wait scl pin high timeout at bit %d",
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data, i);
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return -RT_ETIMEOUT;
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@@ -169,8 +171,8 @@ static rt_int32_t i2c_readb(struct rt_i2c_bus_device *bus)
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if (SCL_H(ops) < 0)
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{
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- bit_dbg("i2c_readb: wait scl pin high "
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- "timeout at bit %d\n", 7 - i);
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+ LOG_D("i2c_readb: wait scl pin high "
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+ "timeout at bit %d", 7 - i);
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return -RT_ETIMEOUT;
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}
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@@ -205,13 +207,13 @@ static rt_size_t i2c_send_bytes(struct rt_i2c_bus_device *bus,
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}
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else if (ret == 0)
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{
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- i2c_dbg("send bytes: NACK.\n");
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+ LOG_D("send bytes: NACK.");
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return 0;
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}
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else
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{
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- i2c_dbg("send bytes: error %d\n", ret);
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+ LOG_E("send bytes: error %d", ret);
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return ret;
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}
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@@ -229,7 +231,7 @@ static rt_err_t i2c_send_ack_or_nack(struct rt_i2c_bus_device *bus, int ack)
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i2c_delay(ops);
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if (SCL_H(ops) < 0)
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{
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- bit_dbg("ACK or NACK timeout\n");
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+ LOG_E("ACK or NACK timeout.");
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return -RT_ETIMEOUT;
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}
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@@ -263,7 +265,7 @@ static rt_size_t i2c_recv_bytes(struct rt_i2c_bus_device *bus,
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ptr ++;
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count --;
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- bit_dbg("recieve bytes: 0x%02x, %s\n",
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+ LOG_D("recieve bytes: 0x%02x, %s",
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val, (flags & RT_I2C_NO_READ_ACK) ?
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"(No ACK/NACK)" : (count ? "ACK" : "NACK"));
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@@ -291,10 +293,10 @@ static rt_int32_t i2c_send_address(struct rt_i2c_bus_device *bus,
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ret = i2c_writeb(bus, addr);
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if (ret == 1 || i == retries)
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break;
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- bit_dbg("send stop condition\n");
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+ LOG_D("send stop condition");
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i2c_stop(ops);
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i2c_delay2(ops);
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- bit_dbg("send start condition\n");
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+ LOG_D("send start condition");
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i2c_start(ops);
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}
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@@ -319,12 +321,12 @@ static rt_err_t i2c_bit_send_address(struct rt_i2c_bus_device *bus,
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addr1 = 0xf0 | ((msg->addr >> 7) & 0x06);
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addr2 = msg->addr & 0xff;
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- bit_dbg("addr1: %d, addr2: %d\n", addr1, addr2);
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+ LOG_D("addr1: %d, addr2: %d", addr1, addr2);
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ret = i2c_send_address(bus, addr1, retries);
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if ((ret != 1) && !ignore_nack)
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{
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- bit_dbg("NACK: sending first addr\n");
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+ LOG_W("NACK: sending first addr");
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return -RT_EIO;
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}
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@@ -332,19 +334,19 @@ static rt_err_t i2c_bit_send_address(struct rt_i2c_bus_device *bus,
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ret = i2c_writeb(bus, addr2);
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if ((ret != 1) && !ignore_nack)
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{
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- bit_dbg("NACK: sending second addr\n");
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+ LOG_W("NACK: sending second addr");
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return -RT_EIO;
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}
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if (flags & RT_I2C_RD)
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{
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- bit_dbg("send repeated start condition\n");
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+ LOG_D("send repeated start condition");
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i2c_restart(ops);
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addr1 |= 0x01;
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ret = i2c_send_address(bus, addr1, retries);
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if ((ret != 1) && !ignore_nack)
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{
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- bit_dbg("NACK: sending repeated addr\n");
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+ LOG_E("NACK: sending repeated addr");
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return -RT_EIO;
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}
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@@ -373,7 +375,7 @@ static rt_size_t i2c_bit_xfer(struct rt_i2c_bus_device *bus,
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rt_int32_t i, ret;
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rt_uint16_t ignore_nack;
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- bit_dbg("send start condition\n");
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+ LOG_D("send start condition");
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i2c_start(ops);
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for (i = 0; i < num; i++)
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{
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@@ -388,7 +390,7 @@ static rt_size_t i2c_bit_xfer(struct rt_i2c_bus_device *bus,
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ret = i2c_bit_send_address(bus, msg);
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if ((ret != RT_EOK) && !ignore_nack)
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{
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- bit_dbg("receive NACK from device addr 0x%02x msg %d\n",
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+ LOG_D("receive NACK from device addr 0x%02x msg %d",
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msgs[i].addr, i);
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goto out;
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}
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@@ -397,7 +399,7 @@ static rt_size_t i2c_bit_xfer(struct rt_i2c_bus_device *bus,
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{
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ret = i2c_recv_bytes(bus, msg);
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if (ret >= 1)
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- bit_dbg("read %d byte%s\n", ret, ret == 1 ? "" : "s");
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+ LOG_D("read %d byte%s", ret, ret == 1 ? "" : "s");
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if (ret < msg->len)
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{
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if (ret >= 0)
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@@ -409,7 +411,7 @@ static rt_size_t i2c_bit_xfer(struct rt_i2c_bus_device *bus,
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{
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ret = i2c_send_bytes(bus, msg);
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if (ret >= 1)
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- bit_dbg("write %d byte%s\n", ret, ret == 1 ? "" : "s");
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+ LOG_D("write %d byte%s", ret, ret == 1 ? "" : "s");
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if (ret < msg->len)
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{
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if (ret >= 0)
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@@ -421,7 +423,7 @@ static rt_size_t i2c_bit_xfer(struct rt_i2c_bus_device *bus,
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ret = i;
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out:
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- bit_dbg("send stop condition\n");
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+ LOG_D("send stop condition");
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i2c_stop(ops);
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return ret;
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