Adds a standard DONT_CARE pin name that allows specifying that any pin will

work in a pin map.  This is currently used in the NRF51822 serial API to allow
specifying any pins as a UART.

Author: webbbn

libraries/mbed/common/pinmap_common.c

@@ -21,7 +21,7 @@ void pinmap_pinout(PinName pin, const PinMap *map) {
         return;
 
     while (map->pin != NC) {
-        if (map->pin == pin) {
+        if ((map->pin == DONT_CARE) || (map->pin == pin)) {
             pin_function(pin, map->function);
 
             pin_mode(pin, PullNone);
@@ -50,7 +50,7 @@ uint32_t pinmap_merge(uint32_t a, uint32_t b) {
 
 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
     while (map->pin != NC) {
-        if (map->pin == pin)
+        if ((map->pin == DONT_CARE) || (map->pin == pin))
             return map->peripheral;
         map++;
     }

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20D50M/PinNames.h

@@ -237,6 +237,8 @@ typedef enum {
     TSI_ELEC0 = PTB16,
     TSI_ELEC1 = PTB17,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KLXX/TARGET_KL05Z/PinNames.h

@@ -118,6 +118,8 @@ typedef enum {
     TSI_ELEC0 = PTA13,
     TSI_ELEC1 = PTB12,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/PinNames.h

@@ -236,6 +236,8 @@ typedef enum {
     TSI_ELEC0 = PTB16,
     TSI_ELEC1 = PTB17,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KLXX/TARGET_KL46Z/PinNames.h

@@ -239,6 +239,8 @@ typedef enum {
     TSI_ELEC0 = PTB16,
     TSI_ELEC1 = PTB17,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/TARGET_FRDM/PinNames.h

@@ -239,6 +239,8 @@ typedef enum {
 
     DAC0_OUT = 0xFEFE, /* DAC does not have Pin Name in RM */
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/TARGET_MTS_GAMBIT/PinNames.h

@@ -208,6 +208,8 @@ typedef enum {
 
     DAC0_OUT = 0xFEFE, /* DAC does not have Pin Name in RM */
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/TARGET_ARCH_BLE/PinNames.h

@@ -159,6 +159,8 @@ typedef enum {
     A4  = p5,
     A5  = p6,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/TARGET_HRM1017/PinNames.h

@@ -135,6 +135,8 @@ typedef enum {
 
     I2C_SDA1 = p13,
     I2C_SCL1 = p15,
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/TARGET_NRF51822_MKIT/PinNames.h

@@ -135,6 +135,9 @@ typedef enum {
 
     I2C_SDA1 = p13,
     I2C_SCL1 = p15,
+
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/TARGET_RBLAB_NRF51822/PinNames.h

@@ -162,6 +162,8 @@ typedef enum {
     A4  = p5,
     A5  = p6,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/serial_api.c

@@ -28,12 +28,12 @@
 #define UART_NUM    1
 
 static const PinMap PinMap_UART_TX[] = {
-    {TX_PIN_NUMBER, UART_0, 1},
+    {DONT_CARE, UART_0, 1},
     { NC  , NC    , 0}
 };
 
 static const PinMap PinMap_UART_RX[] = {
-    {RX_PIN_NUMBER, UART_0, 1},
+    {DONT_CARE, UART_0, 1},
     {NC   , NC    , 0}
 };
 

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11U6X/PinNames.h

@@ -157,6 +157,8 @@ typedef enum {
     SDA= P0_5, // same port as A4
     SCL= P0_4, // same port as A5
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_ARCH_GPRS/PinNames.h

@@ -164,6 +164,8 @@ typedef enum {
     I2C_SCL = D15,
     I2C_SDA = D14,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_GHI_MBUINO/PinNames.h

@@ -74,6 +74,8 @@ typedef enum {
     I2C_SCL = P0_4,
     I2C_SDA = P0_5,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_LPC11U24_301/PinNames.h

@@ -135,6 +135,8 @@ typedef enum {
     USBTX = P0_19,
     USBRX = P0_18,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_LPC11U24_401/PinNames.h

@@ -164,6 +164,8 @@ typedef enum {
     I2C_SCL = D15,
     I2C_SDA = D14,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_LPC11U35_401/PinNames.h

@@ -130,6 +130,8 @@ typedef enum {
     UART_TX = P0_19,
     UART_RX = P0_18,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_LPCCAPPUCCINO/PinNames.h

@@ -103,6 +103,8 @@ typedef enum {
     UART_TX = P0_19,
     UART_RX = P0_18,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_MCU_LPC11U35_501/TARGET_LPC11U35_501/PinNames.h

@@ -145,6 +145,8 @@ typedef enum {
     UART_TX = P0_19,
     UART_RX = P0_18,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11UXX/TARGET_MCU_LPC11U35_501/TARGET_XADOW_M0/PinNames.h

@@ -148,6 +148,8 @@ typedef enum {
     I2C_SCL = P0_4,
     I2C_SDA = P0_5,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX_11CXX/TARGET_LPC11CXX/PinNames.h

@@ -188,6 +188,8 @@ typedef enum {
 	dp27 = P0_4,
 	dp28 = P0_7,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX_11CXX/TARGET_LPC11XX/PinNames.h

@@ -202,7 +202,8 @@ typedef enum {
 	dip28 = P0_7,
 
 
-
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC13XX/PinNames.h

@@ -115,6 +115,8 @@ typedef enum {
     UART_TX = P0_19,
     UART_RX = P0_18,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/PinNames.h

@@ -75,6 +75,8 @@ typedef enum {
     SDA= P0_23, // same port as A4
     SCL= P0_22, // same port as A5
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/TARGET_ARCH_PRO/PinNames.h

@@ -109,6 +109,8 @@ typedef enum {
     I2C_SCL = D15,
     I2C_SDA = D14,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/TARGET_MBED_LPC1768/PinNames.h

@@ -109,6 +109,8 @@ typedef enum {
     I2C_SCL = D15,
     I2C_SDA = D14,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/TARGET_UBLOX_C027/PinNames.h

@@ -158,6 +158,8 @@ typedef enum {
 	USBTXD = USBTX, // identical USBTX
 	USBRXD = USBRX, // identical USBRX
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC23XX/PinNames.h

@@ -76,6 +76,8 @@ typedef enum {
     USBTX = P0_2,
     USBRX = P0_3,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC408X/PinNames.h

@@ -109,6 +109,8 @@ typedef enum {
 	A5  = p20,
 
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC43XX/PinNames.h

@@ -451,6 +451,8 @@ typedef enum {
     // Dedicated pin (no GPIO)
     P_DED = MBED_PIN(0, 0, NO_GPIO, 0),
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC81X/TARGET_LPC810/PinNames.h

@@ -53,6 +53,8 @@ typedef enum {
     USBTX = P0_4,
     USBRX = P0_0,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC81X/TARGET_LPC812/PinNames.h

@@ -81,6 +81,8 @@ typedef enum {
     USBTX = P0_6,
     USBRX = P0_1,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF,
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/PinNames.h

@@ -211,6 +211,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PB_3,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F100RB/PinNames.h

@@ -171,6 +171,8 @@ typedef enum {
     SPI_CS      = PB_12,
     PWM_OUT     = PB_8,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/PinNames.h

@@ -207,6 +207,8 @@ typedef enum {
   SPI_CS      = PA_15,
   PWM_OUT     = PB_1,
 
+  // Do not care
+  DONT_CARE = (int)0xFFFFFFFE,
   // Not connected
   NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_DISCO_F407VG/PinNames.h

@@ -264,6 +264,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PB_3,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/PinNames.h

@@ -160,6 +160,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PC_7,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/PinNames.h

@@ -164,6 +164,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PB_3,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/PinNames.h

@@ -148,6 +148,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PB_3,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/PinNames.h

@@ -155,6 +155,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PB_4,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;

libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F334R8/PinNames.h

@@ -163,6 +163,8 @@ typedef enum {
     SPI_CS      = PB_6,
     PWM_OUT     = PB_4,
 
+    // Do not care
+    DONT_CARE = (int)0xFFFFFFFE,
     // Not connected
     NC = (int)0xFFFFFFFF
 } PinName;