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Merge pull request #641 from hexluthor/backdoor-conf

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CC2538: Add CONF parameters to select boot loader backdoor pin and logic level
This commit is contained in:
George Oikonomou 2014-05-18 13:29:02 +02:00
parent 026864d129 ee05810904
commit eabc244bff
2 changed files with 24 additions and 3 deletions
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9
platform/cc2538dk/contiki-conf.h
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@ -48,7 +48,16 @@ typedef uint32_t rtimer_clock_t;
#ifndef FLASH_CCA_CONF_BOOTLDR_BACKDOOR
#define FLASH_CCA_CONF_BOOTLDR_BACKDOOR 1 /**<Enable the boot loader backdoor */
#endif
#ifndef FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN
#define FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN 3 /**< Pin PA_3 (Select button) activates the boot loader */
#endif
#ifndef FLASH_CCA_CONF_BOOTLDR_BACKDOOR_ACTIVE_HIGH
#define FLASH_CCA_CONF_BOOTLDR_BACKDOOR_ACTIVE_HIGH 0 /**< A logic low level activates the boot loader */
#endif
/** @} */
/*---------------------------------------------------------------------------*/
/**
* \name Flash Memory configuration

18
platform/cc2538dk/startup-gcc.c
View file

@ -65,9 +65,21 @@ void udma_err_isr(void);
/* Boot Loader Backdoor selection */
#if FLASH_CCA_CONF_BOOTLDR_BACKDOOR
/* Backdoor enabled, on PA_3 (Select button) */
#define FLASH_CCA_BOOTLDR_CFG (FLASH_CCA_BOOTLDR_CFG_ENABLE \
| ((3 << FLASH_CCA_BOOTLDR_CFG_PORT_A_PIN_S) & FLASH_CCA_BOOTLDR_CFG_PORT_A_PIN_M))
/* Backdoor enabled */
#if FLASH_CCA_CONF_BOOTLDR_BACKDOOR_ACTIVE_HIGH
#define FLASH_CCA_BOOTLDR_CFG_ACTIVE_LEVEL FLASH_CCA_BOOTLDR_CFG_ACTIVE_HIGH
#else
#define FLASH_CCA_BOOTLDR_CFG_ACTIVE_LEVEL 0
#endif
#if ( (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN < 0) || (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN > 7) )
#error Invalid boot loader backdoor pin. Please set FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN between 0 and 7 (indicating PA0 - PA7).
#endif
#define FLASH_CCA_BOOTLDR_CFG ( FLASH_CCA_BOOTLDR_CFG_ENABLE \
| FLASH_CCA_BOOTLDR_CFG_ACTIVE_LEVEL \
| (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PORT_A_PIN << FLASH_CCA_BOOTLDR_CFG_PORT_A_PIN_S) )
#else
#define FLASH_CCA_BOOTLDR_CFG FLASH_CCA_BOOTLDR_CFG_DISABLE
#endif