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CC2538: Add CONF parameters to select boot loader backdoor pin and logic level.

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This commit is contained in:
Ian Martin 2014-04-15 17:36:55 -04:00
parent d3b9954342
commit 1a63c47cf9
3 changed files with 23 additions and 3 deletions
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16
platform/cc2538dk/startup-gcc.c
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@ -65,9 +65,19 @@ 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_LEVEL < 0) || (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_LEVEL > 1) )
#error Invalid boot loader backdoor pin level. Please set FLASH_CCA_CONF_BOOTLDR_BACKDOOR_LEVEL to 0 (logic low) or 1 (logic high).
#endif
#if ( (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PIN < 0) || (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PIN > 7) )
#error Invalid boot loader backdoor pin. Please set FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PIN between 0 and 7 (indicating PA0 - PA7).
#endif
#define FLASH_CCA_BOOTLDR_CFG ( FLASH_CCA_BOOTLDR_CFG_ENABLE \
| (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_LEVEL << FLASH_CCA_BOOTLDR_CFG_PORT_A_LEVEL_S) \
| (FLASH_CCA_CONF_BOOTLDR_BACKDOOR_PIN << FLASH_CCA_BOOTLDR_CFG_PORT_A_PIN_S) )
#else
#define FLASH_CCA_BOOTLDR_CFG FLASH_CCA_BOOTLDR_CFG_DISABLE
#endif