[NANO130] remove dead code

Author: cyliangtw

targets/TARGET_NUVOTON/TARGET_NANO100/gpio_api.c

@@ -28,11 +28,8 @@ uint32_t gpio_set(PinName pin)
 
     uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
 
-#if 1
+    // GPIO PinMap
     pin_function(pin, 0 << NU_MFP_POS(pin_index));
-#else
-    pinmap_pinout(pin, PinMap_GPIO);
-#endif
 
     return (uint32_t)(1 << pin_index);    // Return the pin mask
 }

targets/TARGET_NUVOTON/TARGET_NANO100/i2c_api.c

@@ -542,23 +542,6 @@ static int i2c_poll_tran_heatbeat_timeout(i2c_t *obj, uint32_t timeout)
     return (elapsed >= timeout);
 }
 
-#if 0
-static int i2c_is_stat_int(i2c_t *obj)
-{
-    I2C_T *i2c_base = (I2C_T *) NU_MODBASE(obj->i2c.i2c);
-    // NUC472/M453/M487
-    //return !! (i2c_base->CON & I2C_CON_I2C_STS_Msk);
-    // NANO130
-    return !! (i2c_base->INTSTS & I2C_INTSTS_INTSTS_Msk);
-}
-
-static int i2c_is_stop_det(i2c_t *obj)
-{
-    I2C_T *i2c_base = (I2C_T *) NU_MODBASE(obj->i2c.i2c);
-
-    return ! (i2c_base->CON & I2C_CON_STOP_Msk);
-}
-#endif
 
 static int i2c_is_trsn_done(i2c_t *obj)
 {

targets/TARGET_NUVOTON/TARGET_NANO100/serial_api.c

@@ -346,7 +346,6 @@ void serial_putc(serial_t *obj, int c)
 
 int serial_readable(serial_t *obj)
 {
-    //return UART_IS_RX_READY(((UART_T *) NU_MODBASE(obj->serial.uart)));
     return ! UART_GET_RX_EMPTY(((UART_T *) NU_MODBASE(obj->serial.uart)));
 }
 
@@ -427,9 +426,6 @@ int serial_tx_asynch(serial_t *obj, const void *tx, size_t tx_length, uint8_t tx
     // UART IRQ is necessary for both interrupt way and DMA way
     serial_tx_enable_event(obj, event, 1);
     serial_tx_buffer_set(obj, tx, tx_length, tx_width);
-    //UART_HAL_DisableTransmitter(obj->serial.address);
-    //UART_HAL_FlushTxFifo(obj->serial.address);
-    //UART_HAL_EnableTransmitter(obj->serial.address);
 
     int n_word = 0;
     if (obj->serial.dma_usage_tx == DMA_USAGE_NEVER) {
@@ -457,12 +453,6 @@ int serial_tx_asynch(serial_t *obj, const void *tx, size_t tx_length, uint8_t tx
             PDMA_SAR_INC,   // Source address incremental
             (uint32_t) NU_MODBASE(obj->serial.uart),    // Destination address
             PDMA_DAR_FIX);  // Destination address fixed
-#if 0   // NOTE:
-        // NANO130: No burst type setting
-        PDMA_SetBurstType(obj->serial.dma_chn_id_tx, 
-            PDMA_REQ_SINGLE,    // Single mode
-            0); // Burst size
-#endif
         PDMA_EnableInt(obj->serial.dma_chn_id_tx,
             PDMA_IER_TD_IE_Msk); // Interrupt type
         // Register DMA event handler
@@ -494,9 +484,6 @@ void serial_rx_asynch(serial_t *obj, void *rx, size_t rx_length, uint8_t rx_widt
     serial_rx_enable_event(obj, event, 1);
     serial_rx_buffer_set(obj, rx, rx_length, rx_width);
     serial_rx_set_char_match(obj, char_match);
-    //UART_HAL_DisableReceiver(obj->serial.address);
-    //UART_HAL_FlushRxFifo(obj->serial.address);
-    //UART_HAL_EnableReceiver(obj->serial.address);
 
     if (obj->serial.dma_usage_rx == DMA_USAGE_NEVER) {
         // Interrupt way
@@ -522,12 +509,6 @@ void serial_rx_asynch(serial_t *obj, void *rx, size_t rx_length, uint8_t rx_widt
                             // NUC472: End of destination address
                             // M451: Start of destination address
             PDMA_DAR_INC);  // Destination address incremental
-#if 0   // NOTE:
-        // NANO130: No burst type setting
-        PDMA_SetBurstType(obj->serial.dma_chn_id_rx, 
-            PDMA_REQ_SINGLE,    // Single mode
-            0); // Burst size
-#endif
         PDMA_EnableInt(obj->serial.dma_chn_id_rx,
             PDMA_IER_TD_IE_Msk); // Interrupt type
         // Register DMA event handler
@@ -547,7 +528,6 @@ void serial_tx_abort_asynch(serial_t *obj)
         if (obj->serial.dma_chn_id_tx != DMA_ERROR_OUT_OF_CHANNELS) {
             PDMA_DisableInt(obj->serial.dma_chn_id_tx, PDMA_IER_TD_IE_Msk);
             // NOTE: On NUC472, next PDMA transfer will fail with PDMA_STOP() called.
-            //PDMA_STOP(obj->serial.dma_chn_id_tx);
             dma_enable(obj->serial.dma_chn_id_tx, 0);
         }
         ((UART_T *) NU_MODBASE(obj->serial.uart))->CTL &= ~UART_CTL_DMA_TX_EN_Msk;
@@ -564,7 +544,6 @@ void serial_rx_abort_asynch(serial_t *obj)
         if (obj->serial.dma_chn_id_rx != DMA_ERROR_OUT_OF_CHANNELS) {
             PDMA_DisableInt(obj->serial.dma_chn_id_rx, PDMA_IER_TD_IE_Msk);
             // NOTE: On NUC472, next PDMA transfer will fail with PDMA_STOP() called.
-            //PDMA_STOP(obj->serial.dma_chn_id_rx);
             dma_enable(obj->serial.dma_chn_id_rx, 0);
         }
         ((UART_T *) NU_MODBASE(obj->serial.uart))->CTL &= ~UART_CTL_DMA_RX_EN_Msk;
@@ -666,19 +645,13 @@ static void serial_tx_enable_event(serial_t *obj, int event, uint8_t enable)
     obj->serial.event &= ~SERIAL_EVENT_TX_MASK;
     obj->serial.event |= (event & SERIAL_EVENT_TX_MASK);
 
-    //if (event & SERIAL_EVENT_TX_COMPLETE) {
-    //}
 }
 
 static void serial_rx_enable_event(serial_t *obj, int event, uint8_t enable)
 {
     obj->serial.event &= ~SERIAL_EVENT_RX_MASK;
     obj->serial.event |= (event & SERIAL_EVENT_RX_MASK);
 
-    //if (event & SERIAL_EVENT_RX_COMPLETE) {
-    //}
-    //if (event & SERIAL_EVENT_RX_OVERRUN_ERROR) {
-    //}
     if (event & SERIAL_EVENT_RX_FRAMING_ERROR) {
         UART_ENABLE_INT(((UART_T *) NU_MODBASE(obj->serial.uart)), UART_IER_RLS_IE_Msk);
     }
@@ -688,20 +661,16 @@ static void serial_rx_enable_event(serial_t *obj, int event, uint8_t enable)
     if (event & SERIAL_EVENT_RX_OVERFLOW) {
         UART_ENABLE_INT(((UART_T *) NU_MODBASE(obj->serial.uart)), UART_IER_BUF_ERR_IE_Msk);
     }
-    //if (event & SERIAL_EVENT_RX_CHARACTER_MATCH) {
-    //}
 }
 
 static int serial_is_tx_complete(serial_t *obj)
 {
     // NOTE: Exclude tx fifo empty check due to no such interrupt on DMA way
-    //return (obj->tx_buff.pos == obj->tx_buff.length) && UART_GET_TX_EMPTY(((UART_T *) NU_MODBASE(obj->serial.uart)));
     return (obj->tx_buff.pos == obj->tx_buff.length);
 }
 
 static int serial_is_rx_complete(serial_t *obj)
 {
-    //return (obj->rx_buff.pos == obj->rx_buff.length) && UART_GET_RX_EMPTY(((UART_T *) NU_MODBASE(obj->serial.uart)));
     return (obj->rx_buff.pos == obj->rx_buff.length);
 }
 
@@ -765,7 +734,7 @@ static uint32_t serial_rx_event_check(serial_t *obj)
     if ((obj->char_match != SERIAL_RESERVED_CHAR_MATCH) && obj->char_found) {
         event |= SERIAL_EVENT_RX_CHARACTER_MATCH;
         // NOTE: Timing to reset char_found?
-        //obj->char_found = 0;
+        // by obj->char_found = 0;
     }
 
     return event;
@@ -866,10 +835,6 @@ static int serial_read_async(serial_t *obj)
     MBED_ASSERT(modinit->modname == (int) obj->serial.uart);
 
     uint32_t rx_fifo_busy = (((UART_T *) NU_MODBASE(obj->serial.uart))->FSR & UART_FSR_RX_POINTER_F_Msk) >> UART_FSR_RX_POINTER_F_Pos;
-    //uint32_t rx_fifo_free = ((struct nu_uart_var *) modinit->var)->fifo_size_rx - rx_fifo_busy;
-    //if (rx_fifo_free == 0) {
-    //    return 0;
-    //}
 
     uint32_t bytes_per_word = obj->rx_buff.width / 8;