diff options
author | Florian Didron <fdidron@users.noreply.github.com> | 2020-01-21 13:50:53 +0900 |
---|---|---|
committer | Florian Didron <fdidron@users.noreply.github.com> | 2020-02-26 10:15:12 +0900 |
commit | d3f23ecfbcd2a69714422ab68f346e51fcc2a6de (patch) | |
tree | c5c07493f4175738f623ca23f618682cc04b779a /drivers/eeprom/eeprom_transient.c | |
parent | 0c676d6e471e3c1eabf3158fab5cb4645abd29ee (diff) |
Apollo (#246)
* Add External EEPROM driver
* Add keyboard
* Fix i2c address
* Revert i2c address for eeprom
* Reduce page size for 24LC128
* Disable External EEPROM for now
* Fix up RGB Matrix and layout
* Cleanup moonlander.c file
* Fix led array center
* Disable External EEPROM for now
* Cleanup and optimization of files
* Add and clean up mappings
* Enable "ZSA" defaults for Moonlander
* Update matrix to use i2c_readReg
* Disable render limit for rgb matrix
* Update pin controls to GPIO Commands
* Add proper changed mechanism
* Additional cleanup
* Run clang-format on moonlander files
* Align keymap
* Limit brightness for rgb matrix to 200
To prevent power draw issues
* Add USB-IF VID/PID
* Add RGB Matrix Sleep code
* Enable External EEPROM on Moonlander
* Port over Ergodox Expander error handling and retry code
* Re-init RGB Matrix drivers when half is reconnected
* Add threaded LED display
* Correct layer state settings after moonlander_led_task
* Update Moonlander to include Oryx configuration
* Add webUSB Stuff
* Update default keymap
* fix: merge conflict
Co-authored-by: Drashna Jaelre <drashna@live.com>
Diffstat (limited to 'drivers/eeprom/eeprom_transient.c')
-rw-r--r-- | drivers/eeprom/eeprom_transient.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/eeprom/eeprom_transient.c b/drivers/eeprom/eeprom_transient.c new file mode 100644 index 0000000000..318a827900 --- /dev/null +++ b/drivers/eeprom/eeprom_transient.c @@ -0,0 +1,52 @@ +/* Copyright 2019 Nick Brassel (tzarc) + * + * 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 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 + * 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 <stdint.h> +#include <string.h> + +#include "eeprom_driver.h" +#include "eeprom_transient.h" + +static uint8_t transientBuffer[TRANSIENT_EEPROM_SIZE] = {0}; + +size_t clamp_length(intptr_t offset, size_t len) { + if (offset + len > TRANSIENT_EEPROM_SIZE) { + len = TRANSIENT_EEPROM_SIZE - offset; + } + + return len; +} + +void eeprom_driver_init(void) { eeprom_driver_erase(); } + +void eeprom_driver_erase(void) { memset(transientBuffer, 0x00, TRANSIENT_EEPROM_SIZE); } + +void eeprom_read_block(void *buf, const void *addr, size_t len) { + intptr_t offset = (intptr_t)addr; + memset(buf, 0x00, len); + len = clamp_length(offset, len); + if (len > 0) { + memcpy(buf, &transientBuffer[offset], len); + } +} + +void eeprom_write_block(const void *buf, void *addr, size_t len) { + intptr_t offset = (intptr_t)addr; + len = clamp_length(offset, len); + if (len > 0) { + memcpy(&transientBuffer[offset], buf, len); + } +} |