rt-thread.git/bsp/efm32/drv_iic.c, branch v5.3.0-betaUnnamed repository; edit this file 'description' to name the repository.http://cgit.235523.xyz/rt-thread.git/atom/bsp/efm32/drv_iic.c?h=v5.3.0-beta2023-02-08T02:43:57Zrt_device_write/read return data type as rt_ssize_t2023-02-08T02:43:57ZMeco Man920369182@qq.com2023-02-05T23:35:33Zurn:sha1:f58d3c5200d5a51a39503c5311422e2fb99d3d20
rt_ssize_t can give negative error code, which follows the unix style correctly
替换RTThread旧版文件头注释版权声明 (#5774)2022-04-05T11:34:30ZMan, Jianting (Meco)920369182@qq.com2022-04-05T11:34:30Zurn:sha1:6bd22f3e6f454509697f0679a2c80101d657c14bfixed compiling error, RT_Device_Class_I2C is not defined in rtdef.h2012-06-18T08:25:41Zdzzxzz@gmail.comdzzxzz@gmail.com2012-06-18T08:25:41Zurn:sha1:6e7f8a36ffa31d4db0092fcd03367e9f92f5c305
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2173 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2012-05-18T04:40:40Zonelife.realonelife.real@gmail.com2012-05-18T04:40:40Zurn:sha1:ea6d73f14052ffe684092c33b64dfa50f6579843
1. Upgrade Cortex driver library (CMSIS -> CMSIS & Device): version 2.3.2 -> 3.0.1 & 3.0.0
- Remove "bsp/efm32/Libraries/CMSIS/Lib/ARM", "bsp/efm32/Libraries/CMSIS/Lib/G++" and "bsp/efm32/Libraries/CMSIS/SVD" to save space
2. Upgrade EFM32 driver libraries (efm32lib -> emlib): version 2.3.2 -> 3.0.0
- Remove "bsp/efm32/Libraries/Device/EnergyMicro/EFM32LG" and "bsp/efm32/Libraries/Device/EnergyMicro/EFM32TG" to save space
3. Upgrade EFM32GG_DK3750 development kit driver library: version 1.2.2 -> 2.0.1
4. Upgrade EFM32_Gxxx_DK development kit driver library: version 1.7.3 -> 2.0.1
5. Add energy management unit driver and test code
6. Modify linker script and related code to compatible with new version of libraries
7. Change EFM32 branch version number to 1.0
8. Add photo frame demo application
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2122 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2012-02-20T04:35:01Zonelife.realonelife.real@gmail.com2012-02-20T04:35:01Zurn:sha1:3c3353ee18130d5c5c90c2e045311bd3a739e2b4
1. Add keys and joystick driver
2. Add direct drive (frame buffer) method support in LCD driver
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1973 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2011-12-27T07:44:29Zonelife.realonelife.real@gmail.com2011-12-27T07:44:29Zurn:sha1:10ec208306c5dfb20d1ea8eb9c190e2d37bacee3
1. Upgrade EFM32 driver libraries (CMSIS and efm32lib): version 2.3.0 -> 2.3.2
2. Upgrade EFM32GG_DK3750 development kit driver library: version 1.2.1 -> 1.2.2
3. Upgrade EFM32_Gxxx_DK development kit driver library: version 1.7.2 -> 1.7.3
4. Add LCD driver (SSD2119) and DEMO
5. Change SPI write format
6. Modify SD card driver due to SPI write format changed
7. Modify building scripts
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1883 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2011-12-16T01:05:50Zonelife.realonelife.real@gmail.com2011-12-16T01:05:50Zurn:sha1:3c3b3697ad4d3e08cfd2c98e03e8f877e0211337
1. Upgrade EFM32 driver libraries (CMSIS and efm32lib) to version 2.3.0 (from version 2.2.2)
2. Add EFM32GG-DK3750 development kit support (driver version 1.2.1)
3. Add giant gecko (EFM32GG) support
4. Add LEUART module driver (max 9600bsp)
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1839 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2011-11-29T09:15:10Zonelife.realonelife.real@gmail.com2011-11-29T09:15:10Zurn:sha1:ed9828226a41216626b2dcea09d80067d1cebcd3
1. Move file, "start_gcc.S", from "libcpu/arm/cortex-m3/" to "bsp/efm32/"
2. Upgrade EFM32 driver libraries (CMSIS and efm32lib) to version 2.2.2
3. Upgrade EFM32 G2xx development kit drivers (EFM32_Gxxx_DK) to version 1.7.2 (from version 1.6.0)
4. Modify the files ("drv_usart.c" and "drv_iic.c") according to the driver libraries upgrading
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1818 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2011-08-23T00:59:24Zonelife.realonelife.real@gmail.com2011-08-23T00:59:24Zurn:sha1:11488d143a0a344e4512fac2808f894f945239a3
1. Change the usage of the second parameter of Read and Write functions in IIC driver
- to "Slave address" from (seldom used) "Offset"
2. Add a timer for IIC driver to prevent from forever waiting
3. Add digital (IIC) interface support for accelerometer driver (Freescale MMA7455L)
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1678 bbd45198-f89e-11dd-88c7-29a3b14d5316
*** EFM32 branch ***2011-07-29T07:24:09Zonelife.realonelife.real@gmail.com2011-07-29T07:24:09Zurn:sha1:aa24c176e7674eb9bd528b6ebcaa714d939f6b0b
Modify IIC and USART drivers to avoid compiling error.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1655 bbd45198-f89e-11dd-88c7-29a3b14d5316