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boot counter using existing nvm object

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Max Holliday 2021-09-10 13:43:04 -06:00 committed by GitHub
parent bc26194bd0
commit aaf2c3752e
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2 changed files with 6 additions and 14 deletions
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14
main.c
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@ -109,6 +109,7 @@
#ifdef CIRCUITPY_BOOT_COUNTER
#include "shared-bindings/nvm/ByteArray.h"
uint8_t value_out = 0;
#endif
#if MICROPY_ENABLE_PYSTACK
@ -308,15 +309,6 @@ STATIC void print_code_py_status_message(safe_mode_t safe_mode) {
}
}
#ifdef CIRCUITPY_BOOT_COUNTER
nvm_bytearray_obj_t bootcnt = {
.base = {.type = &nvm_bytearray_type},
.len = ( uint32_t) 1,
.start_address = (uint8_t*) (0x00080000 - CIRCUITPY_INTERNAL_NVM_SIZE)
};
uint8_t value_out = 0;
#endif
STATIC bool run_code_py(safe_mode_t safe_mode) {
bool serial_connected_at_start = serial_connected();
bool printed_safe_mode_message = false;
@ -330,9 +322,9 @@ STATIC bool run_code_py(safe_mode_t safe_mode) {
#endif
#ifdef CIRCUITPY_BOOT_COUNTER
common_hal_nvm_bytearray_get_bytes(&bootcnt,0,1,&value_out);
common_hal_nvm_bytearray_get_bytes(&common_hal_mcu_nvm_obj,0,1,&value_out);
++value_out;
common_hal_nvm_bytearray_set_bytes(&bootcnt,0,&value_out,1);
common_hal_nvm_bytearray_set_bytes(&common_hal_mcu_nvm_obj,0,&value_out,1);
#endif
pyexec_result_t result;

6
shared-bindings/nvm/ByteArray.h
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@ -31,13 +31,13 @@
extern const mp_obj_type_t nvm_bytearray_type;
uint32_t common_hal_nvm_bytearray_get_length(nvm_bytearray_obj_t *self);
uint32_t common_hal_nvm_bytearray_get_length(const nvm_bytearray_obj_t *self);
bool common_hal_nvm_bytearray_set_bytes(nvm_bytearray_obj_t *self,
bool common_hal_nvm_bytearray_set_bytes(const nvm_bytearray_obj_t *self,
uint32_t start_index, uint8_t *values, uint32_t len);
// len and values are intentionally swapped to signify values is an output and
// also leverage the compiler to validate uses are expected.
void common_hal_nvm_bytearray_get_bytes(nvm_bytearray_obj_t *self,
void common_hal_nvm_bytearray_get_bytes(const nvm_bytearray_obj_t *self,
uint32_t start_index, uint32_t len, uint8_t *values);
#endif // MICROPY_INCLUDED_SHARED_BINDINGS_NVM_BYTEARRAY_H