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authorFergus Noble2011-09-12 18:25:11 -0700
committerStephen Caudle2011-10-12 22:13:01 -0400
commit424b094ce83e6c9ae577cef22e86054cc2d945a5 (patch)
treee5f3059c6a8a8872618ca7512b013ea18682385a /lib/stm32/flash.c
parentcf8171e469ff726701bfdc5d14a169c87d1e5b54 (diff)
Renaming lib code for stm32 f1 series.
Diffstat (limited to 'lib/stm32/flash.c')
-rw-r--r--lib/stm32/flash.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/lib/stm32/flash.c b/lib/stm32/flash.c
deleted file mode 100644
index 98f7777..0000000
--- a/lib/stm32/flash.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
- * Copyright (C) 2010 Mark Butler <mbutler@physics.otago.ac.nz>
- *
- * 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, either version 3 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <libopencm3/stm32/flash.h>
-
-void flash_prefetch_buffer_enable(void)
-{
- FLASH_ACR |= FLASH_PRFTBE;
-}
-
-void flash_prefetch_buffer_disable(void)
-{
- FLASH_ACR &= ~FLASH_PRFTBE;
-}
-
-void flash_halfcycle_enable(void)
-{
- FLASH_ACR |= FLASH_HLFCYA;
-}
-
-void flash_halfcycle_disable(void)
-{
- FLASH_ACR &= ~FLASH_HLFCYA;
-}
-
-void flash_set_ws(u32 ws)
-{
- u32 reg32;
-
- reg32 = FLASH_ACR;
- reg32 &= ~((1 << 0) | (1 << 1) | (1 << 2));
- reg32 |= ws;
- FLASH_ACR = reg32;
-}
-
-void flash_unlock(void)
-{
- /* Authorize the FPEC access. */
- FLASH_KEYR = FLASH_KEY1;
- FLASH_KEYR = FLASH_KEY2;
-}
-
-void flash_lock(void)
-{
- FLASH_CR |= FLASH_LOCK;
-}
-
-void flash_clear_pgerr_flag(void)
-{
- FLASH_SR |= FLASH_PGERR;
-}
-
-void flash_clear_eop_flag(void)
-{
- FLASH_SR |= FLASH_EOP;
-}
-
-void flash_clear_wrprterr_flag(void)
-{
- FLASH_SR |= FLASH_WRPRTERR;
-}
-
-void flash_clear_bsy_flag(void)
-{
- FLASH_SR &= ~FLASH_BSY;
-}
-
-void flash_clear_status_flags(void)
-{
- flash_clear_pgerr_flag();
- flash_clear_eop_flag();
- flash_clear_wrprterr_flag();
- flash_clear_bsy_flag();
-}
-
-void flash_unlock_option_bytes(void)
-{
- FLASH_OPTKEYR = FLASH_KEY1;
- FLASH_OPTKEYR = FLASH_KEY2;
-}
-
-void flash_wait_for_last_operation(void)
-{
- while ((FLASH_SR & FLASH_BSY) == FLASH_BSY)
- ;
-}
-
-void flash_program_word(u32 address, u32 data)
-{
- /* Ensure that all flash operations are complete. */
- flash_wait_for_last_operation();
-
- /* Enable writes to flash. */
- FLASH_CR |= FLASH_PG;
-
- /* Program the first half of the word. */
- (*(volatile u16 *)address) = (u16)data;
-
- /* Wait for the write to complete. */
- flash_wait_for_last_operation();
-
- /* Program the second half of the word. */
- (*(volatile u16 *)(address + 2)) = data >> 16;
-
- /* Wait for the write to complete. */
- flash_wait_for_last_operation();
-
- /* Disable writes to flash. */
- FLASH_CR &= ~FLASH_PG;
-}
-
-void flash_program_half_word(u32 address, u16 data)
-{
- flash_wait_for_last_operation();
-
- FLASH_CR |= FLASH_PG;
-
- (*(volatile u16 *)address) = data;
-
- flash_wait_for_last_operation();
-
- FLASH_CR &= ~FLASH_PG; /* Disable the PG bit. */
-}
-
-void flash_erase_page(u32 page_address)
-{
- flash_wait_for_last_operation();
-
- FLASH_CR |= FLASH_PER;
- FLASH_AR = page_address;
- FLASH_CR |= FLASH_STRT;
-
- flash_wait_for_last_operation();
- FLASH_CR &= ~FLASH_PER;
-}
-
-void flash_erase_all_pages(void)
-{
- flash_wait_for_last_operation();
-
- FLASH_CR |= FLASH_MER; /* Enable mass erase. */
- FLASH_CR |= FLASH_STRT; /* Trigger the erase. */
-
- flash_wait_for_last_operation();
- FLASH_CR &= ~FLASH_MER; /* Disable mass erase. */
-}
-
-void flash_erase_option_bytes(void)
-{
- flash_wait_for_last_operation();
-
- if ((FLASH_CR & FLASH_OPTWRE) == 0)
- flash_unlock_option_bytes();
-
- FLASH_CR |= FLASH_OPTER; /* Enable option byte erase. */
- FLASH_CR |= FLASH_STRT;
- flash_wait_for_last_operation();
- FLASH_CR &= ~FLASH_OPTER; /* Disable option byte erase. */
-}
-
-void flash_program_option_bytes(u32 address, u16 data)
-{
- flash_wait_for_last_operation();
-
- if ((FLASH_CR & FLASH_OPTWRE) == 0)
- flash_unlock_option_bytes();
-
- FLASH_CR |= FLASH_OPTPG; /* Enable option byte programming. */
- (*(volatile u16 *)address) = data;
- flash_wait_for_last_operation();
- FLASH_CR &= ~FLASH_OPTPG; /* Disable option byte programming. */
-}