diff options
| author | hathach <[email protected]> | 2018-11-22 17:40:20 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2018-11-22 17:40:20 +0700 |
| commit | 569e85a0c0a80848e3076b64363ce0e589d3a604 (patch) | |
| tree | aebb98121194b9a4333d4933701ce25a79baf071 /examples | |
| parent | 60d8cde6951fa9fe9c43064ee701598e9da566f7 (diff) | |
cdc work ok with lpc43xx
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/device/cdc_msc_hid/ses/lpc43xx/lpc43xx.emProject | 2 | ||||
| -rw-r--r-- | examples/device/cdc_msc_hid/src/tusb_config.h | 18 |
2 files changed, 14 insertions, 6 deletions
diff --git a/examples/device/cdc_msc_hid/ses/lpc43xx/lpc43xx.emProject b/examples/device/cdc_msc_hid/ses/lpc43xx/lpc43xx.emProject index 3b91cf865..363fae3e2 100644 --- a/examples/device/cdc_msc_hid/ses/lpc43xx/lpc43xx.emProject +++ b/examples/device/cdc_msc_hid/ses/lpc43xx/lpc43xx.emProject @@ -19,7 +19,7 @@ arm_target_device_name="LPC4357_M4" arm_target_interface_type="SWD" build_treat_warnings_as_errors="Yes" - c_preprocessor_definitions="CORE_M4;__LPC4300_FAMILY;__LPC435x_SUBFAMILY;ARM_MATH_CM4;FLASH_PLACEMENT=1;BOARD_EA4357;CFG_TUSB_MCU=OPT_MCU_LPC43XX" + c_preprocessor_definitions="CORE_M4;__LPC4300_FAMILY;__LPC435x_SUBFAMILY;ARM_MATH_CM4;FLASH_PLACEMENT=1;BOARD_EA4357;CFG_TUSB_MCU=OPT_MCU_LPC43XX;CFG_TUSB_MEM_SECTION= __attribute__((section(".bss2")))" c_user_include_directories="../../src;$(rootDir)/hw/cmsis/Include;$(rootDir)/hw;$(rootDir)/src;$(lpcDir)/CMSIS_LPC43xx_DriverLib/inc" debug_register_definition_file="LPC43xx_Registers.xml" debug_target_connection="J-Link" diff --git a/examples/device/cdc_msc_hid/src/tusb_config.h b/examples/device/cdc_msc_hid/src/tusb_config.h index 3af109188..9bc97ecff 100644 --- a/examples/device/cdc_msc_hid/src/tusb_config.h +++ b/examples/device/cdc_msc_hid/src/tusb_config.h @@ -58,16 +58,24 @@ #define CFG_TUSB_DEBUG 2 #define CFG_TUSB_OS OPT_OS_NONE -//-------------------------------------------------------------------- -// USB RAM PLACEMENT -//-------------------------------------------------------------------- -#define CFG_TUSB_ATTR_USBRAM +/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment. + * Tinyusb use follows macros to declare transferring memory so that they can be put + * into those specific section. + * e.g + * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") )) + * - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4))) + */ +#ifndef CFG_TUSB_MEM_SECTION +#define CFG_TUSB_MEM_SECTION +#endif + +#ifndef CFG_TUSB_MEM_ALIGN #define CFG_TUSB_MEM_ALIGN ATTR_ALIGNED(4) +#endif //-------------------------------------------------------------------- // DEVICE CONFIGURATION //-------------------------------------------------------------------- - #define CFG_TUD_ENDOINT0_SIZE 64 /*------------- Descriptors -------------*/ |