Add can_init_frequency for NXP platforms

targets/TARGET_NXP/TARGET_LPC11XX_11CXX/TARGET_LPC11CXX/can_api.c

@@ -268,26 +268,30 @@ int can_config_rxmsgobj(can_t *obj) {
 }
 
 
-void can_init(can_t *obj, PinName rd, PinName td) {
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
     // Enable power and clock
     LPC_SYSCON->PRESETCTRL |= PRESETCTRL_CAN_RST_N;
     LPC_SYSCON->SYSAHBCLKCTRL |= SYSAHBCLKCTRL_CAN;
-    
+
     // Enable Initialization mode
     if (!(LPC_CAN->CNTL & CANCNTL_INIT)) {
         LPC_CAN->CNTL |= CANCNTL_INIT;
     }
-    
+
-    can_frequency(obj, 125000);
+    can_frequency(obj, hz);
-    
+
     // Resume operation
     LPC_CAN->CNTL &= ~CANCNTL_INIT;
     while ( LPC_CAN->CNTL & CANCNTL_INIT );
-    
+
     // Initialize RX message object
     can_config_rxmsgobj(obj);
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 125000);
+}
+
 void can_free(can_t *obj) {
     LPC_SYSCON->SYSAHBCLKCTRL &= ~(SYSAHBCLKCTRL_CAN);
     LPC_SYSCON->PRESETCTRL &= ~(PRESETCTRL_CAN_RST_N);

targets/TARGET_NXP/TARGET_LPC15XX/can_api.c

@@ -415,8 +415,7 @@ int can_config_txmsgobj(can_t *obj) {
     return 1;
 }
 
-
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
-void can_init(can_t *obj, PinName rd, PinName td) {
     // Enable power and clock
     LPC_SYSCON->SYSAHBCLKCTRL1 |= (1UL << 7);
     LPC_SYSCON->PRESETCTRL1    |= (1UL << 7);
@@ -430,7 +429,7 @@ void can_init(can_t *obj, PinName rd, PinName td) {
     LPC_SWM->PINASSIGN[6] &= ~(0x00FFFF00L);
     LPC_SWM->PINASSIGN[6] |= (rd << 16) | (td << 8);
 
-    can_frequency(obj, 100000);
+    can_frequency(obj, hz);
 
     // Resume operation
     LPC_C_CAN0->CANCNTL &= ~(1UL << 0);
@@ -442,6 +441,10 @@ void can_init(can_t *obj, PinName rd, PinName td) {
     can_config_txmsgobj(obj);
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 100000);
+}
+
 void can_free(can_t *obj) {
     LPC_SYSCON->SYSAHBCLKCTRL1 &= ~(1UL << 7);
     LPC_SYSCON->PRESETCTRL1    &= ~(1UL << 7);

targets/TARGET_NXP/TARGET_LPC176X/can_api.c

@@ -292,7 +292,7 @@ static unsigned int can_speed(unsigned int sclk, unsigned int pclk, unsigned int
 
 }
 
-void can_init(can_t *obj, PinName rd, PinName td) {
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
     CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
     CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
     obj->dev = (LPC_CAN_TypeDef *)pinmap_merge(can_rd, can_td);
@@ -313,11 +313,15 @@ void can_init(can_t *obj, PinName rd, PinName td) {
     
     can_reset(obj);
     obj->dev->IER = 0;             // Disable Interrupts
-    can_frequency(obj, 100000);
+    can_frequency(obj, hz);
 
     LPC_CANAF->AFMR = ACCF_BYPASS; // Bypass Filter
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 100000);
+}
+
 void can_free(can_t *obj) {
     switch ((int)obj->dev) {
         case CAN_1: LPC_SC->PCONP &= ~(1 << 13); break;

targets/TARGET_NXP/TARGET_LPC408X/TARGET_LPC4088/can_api.c

@@ -239,7 +239,7 @@ static unsigned int can_speed(unsigned int pclk, unsigned int cclk, unsigned cha
 
 }
 
-void can_init(can_t *obj, PinName rd, PinName td) {
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
     CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
     CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
     obj->dev = (LPC_CAN_TypeDef *)pinmap_merge(can_rd, can_td);
@@ -252,19 +252,23 @@ void can_init(can_t *obj, PinName rd, PinName td) {
 
     pinmap_pinout(rd, PinMap_CAN_RD);
     pinmap_pinout(td, PinMap_CAN_TD);
-    
+
     switch ((int)obj->dev) {
         case CAN_1: obj->index = 0; break;
         case CAN_2: obj->index = 1; break;
     }
-    
+
     can_reset(obj);
     obj->dev->IER = 0;             // Disable Interrupts
-    can_frequency(obj, 100000);
+    can_frequency(obj, hz);
 
     LPC_CANAF->AFMR = ACCF_BYPASS; // Bypass Filter
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 100000);
+}
+
 void can_free(can_t *obj) {
     switch ((int)obj->dev) {
         case CAN_1: LPC_SC->PCONP &= ~(1 << 13); break;

targets/TARGET_NXP/TARGET_LPC408X/TARGET_LPC4088_DM/can_api.c

@@ -236,7 +236,7 @@ static unsigned int can_speed(unsigned int pclk, unsigned int cclk, unsigned cha
 
 }
 
-void can_init(can_t *obj, PinName rd, PinName td) {
+void can_init_freq(can_t *obj, PinName rd, PinName td, int hz) {
     CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
     CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
     obj->dev = (LPC_CAN_TypeDef *)pinmap_merge(can_rd, can_td);
@@ -257,11 +257,15 @@ void can_init(can_t *obj, PinName rd, PinName td) {
 
     can_reset(obj);
     obj->dev->IER = 0;             // Disable Interrupts
-    can_frequency(obj, 100000);
+    can_frequency(obj, hz);
 
     LPC_CANAF->AFMR = ACCF_BYPASS; // Bypass Filter
 }
 
+void can_init(can_t *obj, PinName rd, PinName td) {
+    can_init_freq(obj, rd, td, 100000);
+}
+
 void can_free(can_t *obj) {
     switch ((int)obj->dev) {
         case CAN_1: LPC_SC->PCONP &= ~(1 << 13); break;