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Добавить переносимый драйвер parallel NAND

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Andrey
2026-09-04 12:22:21 +03:00
commit 1f1006bf2a
21 changed files with 1429 additions and 0 deletions
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43
src/parallel_nand_pcan_gas.c Normal file
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#include "parallel_nand_pcan_gas.h"
static pcan_gas_status_t convert(parallel_nand_gas_result_t result)
{
switch (result) {
case PNAND_GAS_OK: return PCAN_GAS_OK;
case PNAND_GAS_NO_REG: return PCAN_GAS_NO_REG;
case PNAND_GAS_READ_ONLY: return PCAN_GAS_READ_ONLY;
default: return PCAN_GAS_REJECTED;
}
}
static pcan_gas_status_t read_reg(const pcan_gas_region_t *region,
uint16_t offset, uint16_t *value)
{
parallel_nand_gas_t *gas = (parallel_nand_gas_t *)region->user;
unsigned int portable_value;
parallel_nand_gas_result_t result = parallel_nand_gas_read(
gas, (unsigned int)region->base + offset, &portable_value);
if (result == PNAND_GAS_OK) *value = (uint16_t)portable_value;
return convert(result);
}
static pcan_gas_status_t write_reg(const pcan_gas_region_t *region,
uint16_t offset, uint16_t value)
{
parallel_nand_gas_t *gas = (parallel_nand_gas_t *)region->user;
return convert(parallel_nand_gas_write(
gas, (unsigned int)region->base + offset, value));
}
void parallel_nand_pcan_gas_region_init(pcan_gas_region_t *region,
parallel_nand_gas_t *gas)
{
region->base = (uint16_t)gas->base;
region->count = PNAND_GAS_REGION_REGS;
region->storage = 0;
region->read = read_reg;
region->write = write_reg;
region->flags = 0U;
region->user = gas;
region->name = "parallel-nand";
}