X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fdrivers%2Fao_at45db161d.c;h=516811b86b1eb7925c896c71890b8216a64e3776;hp=aee9877ac2b52887e293563c05f25f67c9774215;hb=0686a7b8aec524d81bda4c572549a3a068ce0eed;hpb=128bbfa150f88c09f7adde2434b7bf0b5a9ed556 diff --git a/src/drivers/ao_at45db161d.c b/src/drivers/ao_at45db161d.c index aee9877a..516811b8 100644 --- a/src/drivers/ao_at45db161d.c +++ b/src/drivers/ao_at45db161d.c @@ -3,7 +3,8 @@ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -19,23 +20,23 @@ #include "ao_at45db161d.h" /* Total bytes of available storage */ -__pdata uint32_t ao_storage_total; +uint32_t ao_storage_total; /* Block size - device is erased in these units. At least 256 bytes */ -__pdata uint32_t ao_storage_block; +uint32_t ao_storage_block; /* Byte offset of config block. Will be ao_storage_block bytes long */ -__pdata uint32_t ao_storage_config; +uint32_t ao_storage_config; /* Storage unit size - device reads and writes must be within blocks of this size. Usually 256 bytes. */ -__pdata uint16_t ao_storage_unit; +uint16_t ao_storage_unit; #define FLASH_CS P1_1 #define FLASH_CS_INDEX 1 #define FLASH_BLOCK_SIZE_MAX 512 -__xdata uint8_t ao_flash_mutex; +uint8_t ao_flash_mutex; #define ao_flash_delay() do { \ _asm nop _endasm; \ @@ -43,14 +44,14 @@ __xdata uint8_t ao_flash_mutex; _asm nop _endasm; \ } while(0) -#define ao_flash_cs_low() ao_spi_get_bit(FLASH_CS) +#define ao_flash_cs_low() ao_spi_get_bit(FLASH_CS_PORT, FLASH_CS_PIN, FLASH_CS, AO_FLASH_SPI_BUS, AO_SPI_SPEED_FAST) -#define ao_flash_cs_high() ao_spi_put_bit(FLASH_CS) +#define ao_flash_cs_high() ao_spi_put_bit(FLASH_CS_PORT, FLASH_CS_PIN, FLASH_CS, AO_FLASH_SPI_BUS) struct ao_flash_instruction { uint8_t instruction; uint8_t address[3]; -} __xdata ao_flash_instruction; +} ao_flash_instruction; static void ao_flash_set_pagesize_512(void) @@ -60,7 +61,7 @@ ao_flash_set_pagesize_512(void) ao_flash_instruction.address[0] = FLASH_SET_512_BYTE_0; ao_flash_instruction.address[1] = FLASH_SET_512_BYTE_1; ao_flash_instruction.address[2] = FLASH_SET_512_BYTE_2; - ao_spi_send(&ao_flash_instruction, 4); + ao_spi_send(&ao_flash_instruction, 4, AO_FLASH_SPI_BUS); ao_flash_cs_high(); } @@ -70,25 +71,25 @@ ao_flash_read_status(void) { ao_flash_cs_low(); ao_flash_instruction.instruction = FLASH_READ_STATUS; - ao_spi_send(&ao_flash_instruction, 1); - ao_spi_recv(&ao_flash_instruction, 1); + ao_spi_send(&ao_flash_instruction, 1, AO_FLASH_SPI_BUS); + ao_spi_recv(&ao_flash_instruction, 1, AO_FLASH_SPI_BUS); ao_flash_cs_high(); return ao_flash_instruction.instruction; } #define FLASH_BLOCK_NONE 0xffff -static __xdata uint8_t ao_flash_data[FLASH_BLOCK_SIZE_MAX]; -static __pdata uint16_t ao_flash_block = FLASH_BLOCK_NONE; -static __pdata uint8_t ao_flash_block_dirty; -static __pdata uint8_t ao_flash_write_pending; -static __pdata uint8_t ao_flash_setup_done; -static __pdata uint8_t ao_flash_block_shift; -static __pdata uint16_t ao_flash_block_size; -static __pdata uint16_t ao_flash_block_mask; +static uint8_t ao_flash_data[FLASH_BLOCK_SIZE_MAX]; +static uint16_t ao_flash_block = FLASH_BLOCK_NONE; +static uint8_t ao_flash_block_dirty; +static uint8_t ao_flash_write_pending; +static uint8_t ao_flash_setup_done; +static uint8_t ao_flash_block_shift; +static uint16_t ao_flash_block_size; +static uint16_t ao_flash_block_mask; void -ao_storage_setup(void) __reentrant +ao_storage_setup(void) { uint8_t status; @@ -190,8 +191,8 @@ ao_flash_write_block(void) ao_flash_instruction.address[0] = ao_flash_block >> (16 - ao_flash_block_shift); ao_flash_instruction.address[1] = ao_flash_block << (ao_flash_block_shift - 8); ao_flash_instruction.address[2] = 0; - ao_spi_send(&ao_flash_instruction, 4); - ao_spi_send(ao_flash_data, ao_storage_block); + ao_spi_send(&ao_flash_instruction, 4, AO_FLASH_SPI_BUS); + ao_spi_send(ao_flash_data, ao_storage_block, AO_FLASH_SPI_BUS); ao_flash_cs_high(); ao_flash_write_pending = 1; } @@ -208,8 +209,8 @@ ao_flash_read_block(void) ao_flash_instruction.address[0] = ao_flash_block >> (16 - ao_flash_block_shift); ao_flash_instruction.address[1] = ao_flash_block << (ao_flash_block_shift - 8); ao_flash_instruction.address[2] = 0; - ao_spi_send(&ao_flash_instruction, 4); - ao_spi_recv(ao_flash_data, ao_flash_block_size); + ao_spi_send(&ao_flash_instruction, 4, AO_FLASH_SPI_BUS); + ao_spi_recv(ao_flash_data, ao_flash_block_size, AO_FLASH_SPI_BUS); ao_flash_cs_high(); } @@ -233,7 +234,7 @@ ao_flash_fill(uint16_t block) } uint8_t -ao_storage_device_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant +ao_storage_device_write(uint32_t pos, void *buf, uint16_t len) { uint16_t block = (uint16_t) (pos >> ao_flash_block_shift); @@ -245,7 +246,7 @@ ao_storage_device_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentra ao_flash_flush_internal(); ao_flash_block = block; } - memcpy(ao_flash_data + (uint16_t) (pos & ao_flash_block_mask), + ao_xmemcpy(ao_flash_data + (uint16_t) (pos & ao_flash_block_mask), buf, len); ao_flash_block_dirty = 1; @@ -254,14 +255,14 @@ ao_storage_device_write(uint32_t pos, __xdata void *buf, uint16_t len) __reentra } uint8_t -ao_storage_device_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentrant +ao_storage_device_read(uint32_t pos, void *buf, uint16_t len) { uint16_t block = (uint16_t) (pos >> ao_flash_block_shift); /* Transfer the data */ ao_mutex_get(&ao_flash_mutex); { ao_flash_fill(block); - memcpy(buf, + ao_xmemcpy(buf, ao_flash_data + (uint16_t) (pos & ao_flash_block_mask), len); } ao_mutex_put(&ao_flash_mutex); @@ -269,7 +270,7 @@ ao_storage_device_read(uint32_t pos, __xdata void *buf, uint16_t len) __reentran } void -ao_storage_flush(void) __reentrant +ao_storage_flush(void) { ao_mutex_get(&ao_flash_mutex); { ao_flash_flush_internal(); @@ -277,19 +278,19 @@ ao_storage_flush(void) __reentrant } uint8_t -ao_storage_erase(uint32_t pos) __reentrant +ao_storage_erase(uint32_t pos) { ao_mutex_get(&ao_flash_mutex); { ao_flash_flush_internal(); ao_flash_block = (uint16_t) (pos >> ao_flash_block_shift); - memset(ao_flash_data, 0xff, ao_flash_block_size); + ao_xmemset(ao_flash_data, 0xff, ao_flash_block_size); ao_flash_block_dirty = 1; } ao_mutex_put(&ao_flash_mutex); return 1; } void -ao_storage_device_info(void) __reentrant +ao_storage_device_info(void) { uint8_t status;