i2csw: remove _NUM in function names
authorOlivier Matz <zer0@droids-corp.org>
Thu, 26 Jun 2014 18:21:06 +0000 (20:21 +0200)
committerOlivier Matz <zer0@droids-corp.org>
Thu, 26 Jun 2014 18:21:06 +0000 (20:21 +0200)
i2cm_sw.c
i2cm_sw.h

index 3a264d5..78f562d 100644 (file)
--- a/i2cm_sw.c
+++ b/i2cm_sw.c
 
 
 
-volatile i2cm_state g_i2cm_NUM_state = NOT_INIT;
-volatile uint8_t g_i2cm_NUM_byte;
+volatile i2cm_state g_i2cm_state = NOT_INIT;
+volatile uint8_t g_i2cm_byte;
 
-void (*g_i2cm_NUM_event)(i2cm_state state);
+void (*g_i2cm_event)(i2cm_state state);
 
 /*
   Mini Arduino
@@ -49,19 +49,19 @@ void (*g_i2cm_NUM_event)(i2cm_state state);
   A5 = PC5/SCL
 */
 
-#define I2CM_NUM_SCL_PORT  PORTC
-#define I2CM_NUM_SCL_BIT   5
+#define I2CM_SCL_PORT  PORTC
+#define I2CM_SCL_BIT   5
 
-#define  I2CM_NUM_SDA_PORT PORTC
-#define  I2CM_NUM_SDA_BIT  4
+#define  I2CM_SDA_PORT PORTC
+#define  I2CM_SDA_BIT  4
 
-#define I2CM_NUM_SCL   I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT
-#define I2CM_NUM_SDA   I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT
+#define I2CM_SCL   I2CM_SCL_PORT, I2CM_SCL_BIT
+#define I2CM_SDA   I2CM_SDA_PORT, I2CM_SDA_BIT
 
 
 
 
-void i2cm_NUM_init(void)
+void i2cm_init(void)
 {
        /*
          - port SCL/SDA is set to 0
@@ -69,60 +69,60 @@ void i2cm_NUM_init(void)
         */
 
        // SCL high
-       cbi(DDR(I2CM_NUM_SCL_PORT),I2CM_NUM_SCL_BIT);
-       I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
+       cbi(DDR(I2CM_SCL_PORT),I2CM_SCL_BIT);
+       I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
 
        // SDA high
-       cbi(DDR(I2CM_NUM_SDA_PORT),I2CM_NUM_SDA_BIT);
-       I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-       I2CM_NUM_DELAY();
+       cbi(DDR(I2CM_SDA_PORT),I2CM_SDA_BIT);
+       I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
+       I2CM_DELAY();
 
-       g_i2cm_NUM_state = I2CM_READY;
+       g_i2cm_state = I2CM_READY;
 }
 
 
-void i2cm_NUM_manage(void)
+void i2cm_manage(void)
 {
-       if ( (g_i2cm_NUM_event  != NULL) && (g_i2cm_NUM_state  != I2CM_READY) ) {
-               g_i2cm_NUM_event( g_i2cm_NUM_state );
+       if ( (g_i2cm_event  != NULL) && (g_i2cm_state  != I2CM_READY) ) {
+               g_i2cm_event( g_i2cm_state );
                // reset notification
-               if (g_i2cm_NUM_state != I2CM_BUSY)
-                       g_i2cm_NUM_state = I2CM_READY;
+               if (g_i2cm_state != I2CM_BUSY)
+                       g_i2cm_state = I2CM_READY;
        }
 }
 
-uint8_t i2cm_NUM_get_state(void)
+uint8_t i2cm_get_state(void)
 {
-       return g_i2cm_NUM_state;
+       return g_i2cm_state;
 }
 
 
-uint8_t i2cm_NUM_get_received_byte(void)
+uint8_t i2cm_get_received_byte(void)
 {
-       g_i2cm_NUM_state = I2CM_READY;
-       return g_i2cm_NUM_byte;
+       g_i2cm_state = I2CM_READY;
+       return g_i2cm_byte;
 }
 
-void i2cm_NUM_register_event(void (*func)(i2cm_state state))
+void i2cm_register_event(void (*func)(i2cm_state state))
 {
        uint8_t flags;
        IRQ_LOCK(flags);
-       g_i2cm_NUM_event = func;
+       g_i2cm_event = func;
        IRQ_UNLOCK(flags);
 }
 
 
-uint8_t i2cm_NUM_send_byte(uint8_t byte)
+uint8_t i2cm_send_byte(uint8_t byte)
 {
        uint8_t mask;
        uint8_t err = 0;
 
 
-       g_i2cm_NUM_state = I2CM_BUSY;
+       g_i2cm_state = I2CM_BUSY;
 
        // SCL should already be low
-       //  I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       //  I2CM_NUM_DELAY();
+       //  I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       //  I2CM_DELAY();
 
        mask = 0x80;
        while (mask) {
@@ -130,107 +130,107 @@ uint8_t i2cm_NUM_send_byte(uint8_t byte)
 
                // data out
                if (mask & byte)
-                       I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
+                       I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
                else
-                       I2C_LOW(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-               I2CM_NUM_DELAY();
+                       I2C_LOW(I2CM_SDA_PORT, I2CM_SDA_BIT);
+               I2CM_DELAY();
                mask >>=1;
 
                // delay needed ?
-               //I2CM_NUM_DELAY();
+               //I2CM_DELAY();
 
                // clock High
-               I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-               I2CM_NUM_DELAY();
-               while ( bit_is_clear(PIN(I2CM_NUM_SCL_PORT), I2CM_NUM_SCL_BIT) );// slave handshake
+               I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
+               I2CM_DELAY();
+               while ( bit_is_clear(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) );// slave handshake
 
                // clock low
-               I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
+               I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
 
        }
 
        /* receive ack */
 
        // release SDA
-       I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-       I2CM_NUM_BIT_DELAY();
+       I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
+       I2CM_BIT_DELAY();
 
        // clock HIGH
-       I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2CM_NUM_DELAY();
-       while ( bit_is_clear(PIN(I2CM_NUM_SCL_PORT), I2CM_NUM_SCL_BIT) );// slave handshake
+       I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2CM_DELAY();
+       while ( bit_is_clear(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) );// slave handshake
 
        // receive ACK
-       if (bit_is_set(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT))
+       if (bit_is_set(I2CM_SDA_PORT, I2CM_SDA_BIT))
                err = I2CM_SENT_NO_ACK;
 
        // clock low
-       I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2CM_NUM_DELAY();
+       I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2CM_DELAY();
 
        return err;
 }
 
 
-uint8_t i2cm_NUM_send_start(uint8_t sla_w)
+uint8_t i2cm_send_start(uint8_t sla_w)
 {
        uint8_t err;
        uint16_t i;
-       g_i2cm_NUM_state = I2CM_BUSY;
+       g_i2cm_state = I2CM_BUSY;
 
-       I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
+       I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
 
-       I2CM_NUM_DELAY();
+       I2CM_DELAY();
 
        /* wait for bus realese */
        for (i=0;i<0x8000; i++){
-               if( bit_is_set(PIN(I2CM_NUM_SCL_PORT), I2CM_NUM_SCL_BIT) && \
-                   bit_is_set(PIN(I2CM_NUM_SDA_PORT), I2CM_NUM_SDA_BIT) )
+               if( bit_is_set(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) && \
+                   bit_is_set(PIN(I2CM_SDA_PORT), I2CM_SDA_BIT) )
                        break;
        }
 
-       //      while ( bit_is_clear(PIN(I2CM_NUM_SCL_PORT), I2CM_NUM_SCL_BIT) );// slave handshake
+       //      while ( bit_is_clear(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) );// slave handshake
 
        // start condition
-       I2C_LOW(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-       I2CM_NUM_DELAY();
-       I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2CM_NUM_DELAY();
+       I2C_LOW(I2CM_SDA_PORT, I2CM_SDA_BIT);
+       I2CM_DELAY();
+       I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2CM_DELAY();
 
-       err = i2cm_NUM_send_byte(sla_w);
+       err = i2cm_send_byte(sla_w);
        return err;
 }
 
 
 
-uint8_t i2cm_NUM_send_stop(void)
+uint8_t i2cm_send_stop(void)
 {
-       g_i2cm_NUM_state = I2CM_BUSY;
+       g_i2cm_state = I2CM_BUSY;
 
        // data down
-       I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2C_LOW(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-       I2CM_NUM_DELAY();
+       I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2C_LOW(I2CM_SDA_PORT, I2CM_SDA_BIT);
+       I2CM_DELAY();
 
        // stop condition
-       I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2CM_NUM_DELAY();
-       I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-       I2CM_NUM_DELAY();
+       I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2CM_DELAY();
+       I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
+       I2CM_DELAY();
 
-       g_i2cm_NUM_state = I2CM_SENT_STOP;
+       g_i2cm_state = I2CM_SENT_STOP;
        return 0;
 }
 
 
-uint8_t i2cm_NUM_receive_byte(uint8_t last)
+uint8_t i2cm_receive_byte(uint8_t last)
 {
        uint8_t mask,data;
 
-       g_i2cm_NUM_state = I2CM_BUSY;
+       g_i2cm_state = I2CM_BUSY;
 
-       I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
+       I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
 
 
        data = 0;
@@ -238,45 +238,45 @@ uint8_t i2cm_NUM_receive_byte(uint8_t last)
        while (mask) {
 
                // clock High
-               I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-               I2CM_NUM_DELAY();
-               while ( bit_is_clear(PIN(I2CM_NUM_SCL_PORT), I2CM_NUM_SCL_BIT) );// slave handshake
+               I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
+               I2CM_DELAY();
+               while ( bit_is_clear(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) );// slave handshake
 
-               if (bit_is_set(PIN(I2CM_NUM_SDA_PORT),I2CM_NUM_SDA_BIT))
+               if (bit_is_set(PIN(I2CM_SDA_PORT),I2CM_SDA_BIT))
                        data |= mask;
 
                // clock low
-               I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-               I2CM_NUM_DELAY();
+               I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
+               I2CM_DELAY();
 
                mask >>=1;
        }
 
        if (!last){
                /* send ack */
-               I2C_LOW(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-               I2CM_NUM_BIT_DELAY();
+               I2C_LOW(I2CM_SDA_PORT, I2CM_SDA_BIT);
+               I2CM_BIT_DELAY();
        }
 
        // clock HIGH
-       I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2CM_NUM_DELAY();
-       while ( bit_is_clear(PIN(I2CM_NUM_SCL_PORT), I2CM_NUM_SCL_BIT) );// slave handshake
+       I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2CM_DELAY();
+       while ( bit_is_clear(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) );// slave handshake
 
        // clock low
-       I2C_LOW(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
-       I2CM_NUM_DELAY();
+       I2C_LOW(I2CM_SCL_PORT, I2CM_SCL_BIT);
+       I2CM_DELAY();
 
        if (!last) {
                // release DATA
-               I2C_HIGH(I2CM_NUM_SDA_PORT, I2CM_NUM_SDA_BIT);
-               I2CM_NUM_BIT_DELAY();
+               I2C_HIGH(I2CM_SDA_PORT, I2CM_SDA_BIT);
+               I2CM_BIT_DELAY();
        }
 
-       g_i2cm_NUM_byte  = data;
-       g_i2cm_NUM_state = I2CM_RECEIVED_BYTE;
+       g_i2cm_byte  = data;
+       g_i2cm_state = I2CM_RECEIVED_BYTE;
 
-       I2C_HIGH(I2CM_NUM_SCL_PORT, I2CM_NUM_SCL_BIT);
+       I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
 
        return 0;
 }
@@ -288,17 +288,17 @@ uint8_t i2c_send(uint8_t addr, uint8_t* data, uint8_t len, uint8_t dummy)
        uint8_t i;
        uint8_t err = 0;
 
-       err = i2cm_NUM_send_start((addr<<1) | 0);
+       err = i2cm_send_start((addr<<1) | 0);
        if (err)
                return err;
 
        for (i=0; i<len; i++) {
-               err = i2cm_NUM_send_byte(data[i]);
+               err = i2cm_send_byte(data[i]);
                if (err)
                        break;
        }
 
-       i2cm_NUM_send_stop();
+       i2cm_send_stop();
        return err;
 }
 
@@ -310,19 +310,19 @@ uint8_t i2c_recv(uint8_t addr, uint8_t len, uint8_t dummy)
        uint8_t i;
        uint8_t err = 0;
 
-       err = i2cm_NUM_send_start((addr<<1) | 1);
+       err = i2cm_send_start((addr<<1) | 1);
        if (err)
                return err;
 
-       I2CM_NUM_DELAY();
+       I2CM_DELAY();
 
        for (i=0; i<len; i++){
-               err =i2cm_NUM_receive_byte(i == len-1);
-               i2c_buf[i] = g_i2cm_NUM_byte;
+               err =i2cm_receive_byte(i == len-1);
+               i2c_buf[i] = g_i2cm_byte;
                if (err)
                        break;
        }
-       i2cm_NUM_send_stop();
+       i2cm_send_stop();
        return err;
 }
 
index 48255b6..5514767 100644 (file)
--- a/i2cm_sw.h
+++ b/i2cm_sw.h
@@ -30,18 +30,18 @@ typedef uint8_t i2cm_state;
 #define I2CM_SENT_STOP 7
 #define I2CM_RECEIVED_BYTE 8
 
-#define I2CM_NUM_DELAY()  _delay_loop_2(1)
-#define I2CM_NUM_BIT_DELAY() _delay_loop_2(1)
-
-void i2cm_NUM_init(void);
-void i2cm_NUM_manage(void);
-uint8_t i2cm_NUM_get_state(void);
-uint8_t i2cm_NUM_get_received_byte(void);
-void i2cm_NUM_register_event(void (*func)(i2cm_state state));
-uint8_t i2cm_NUM_send_byte(uint8_t byte);
-uint8_t i2cm_NUM_send_start(uint8_t sla_w);
-uint8_t i2cm_NUM_send_stop(void);
-uint8_t i2cm_NUM_receive_byte(uint8_t last);
+#define I2CM_DELAY()  _delay_loop_2(1)
+#define I2CM_BIT_DELAY() _delay_loop_2(1)
+
+void i2cm_init(void);
+void i2cm_manage(void);
+uint8_t i2cm_get_state(void);
+uint8_t i2cm_get_received_byte(void);
+void i2cm_register_event(void (*func)(i2cm_state state));
+uint8_t i2cm_send_byte(uint8_t byte);
+uint8_t i2cm_send_start(uint8_t sla_w);
+uint8_t i2cm_send_stop(void);
+uint8_t i2cm_receive_byte(uint8_t last);
 
 #define I2C_CTRL_SYNC 0