Improved preprocessor check on missing CMSIS-Atmel

Author: mattairtech

bootloaders/zero/board_definitions.h

@@ -108,7 +108,7 @@
 #elif (SAML21 || SAMC21)
   #define BOOT_DOUBLE_TAP_ADDRESS           (HSRAM_ADDR + HSRAM_SIZE - 4)
 #else
-  #error "board_definitions.h: Unsupported chip"
+  #error "board_definitions.h: Missing dependency or unsupported chip. Please install CMSIS-Atmel from MattairTech (see Prerequisites for Building in README.md)."
 #endif
 
 #define BOOT_DOUBLE_TAP_DATA              (*((volatile uint32_t *) BOOT_DOUBLE_TAP_ADDRESS))

bootloaders/zero/board_driver_usb.c

@@ -38,7 +38,7 @@
 #elif (SAML21)
   #define GCM_USB                   (0x04U)
 #else
-  #error "board_driver_usb.c: Unsupported chip"
+  #error "board_driver_usb.c: Missing dependency or unsupported chip. Please install CMSIS-Atmel from MattairTech (see Prerequisites for Building in README.md)."
 #endif
 
 

bootloaders/zero/board_init.c

@@ -43,7 +43,7 @@ extern uint32_t SystemCoreClock;
   #define GENERIC_CLOCK_MULTIPLEXER_FDPLL   (0u)
   #define GENERIC_CLOCK_MULTIPLEXER_FDPLL96M_32K (1u)
 #else
-  #error "startup.c: Unsupported chip"
+  #error "startup.c: Missing dependency or unsupported chip. Please install CMSIS-Atmel from MattairTech (see Prerequisites for Building in README.md)."
 #endif
 
 #if (SAMD || SAML21)

bootloaders/zero/main.c

@@ -106,7 +106,7 @@ uint32_t* pulSketch_Start_Address;
 #elif (SAML21 || SAMC21)
   if (RSTC->RCAUSE.bit.POR)
 #else
-  #error "main.c: Unsupported chip"
+  #error "main.c: Missing dependency or unsupported chip. Please install CMSIS-Atmel from MattairTech (see Prerequisites for Building in README.md)."
 #endif
 
   {

bootloaders/zero/sam_ba_serial.c

@@ -70,7 +70,7 @@ void serial_open(void)
   MCLK->APBCMASK.reg |= MCLK_APBCMASK_SERCOM0 | MCLK_APBCMASK_SERCOM1 | MCLK_APBCMASK_SERCOM2 | MCLK_APBCMASK_SERCOM3 | MCLK_APBCMASK_SERCOM4 | MCLK_APBCMASK_SERCOM5 ;
   #endif
 #else
-  #error "sam_ba_serial.c: Unsupported chip"
+  #error "sam_ba_serial.c: Missing dependency or unsupported chip. Please install CMSIS-Atmel from MattairTech (see Prerequisites for Building in README.md)."
 #endif
 
 	/* Set GCLK_GEN0 as source for GCLK_ID_SERCOMx_CORE */