diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/nxp/lpc_usbd/dcd_lpc_usbd.c (renamed from src/portable/nxp/lpc11_13_15/dcd_lpc11_13_15.c) | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/portable/nxp/lpc11_13_15/dcd_lpc11_13_15.c b/src/portable/nxp/lpc_usbd/dcd_lpc_usbd.c index 84aba742a..ec3177c4b 100644 --- a/src/portable/nxp/lpc11_13_15/dcd_lpc11_13_15.c +++ b/src/portable/nxp/lpc_usbd/dcd_lpc_usbd.c @@ -26,7 +26,19 @@ #include "tusb_option.h" -#if TUSB_OPT_DEVICE_ENABLED && (CFG_TUSB_MCU == OPT_MCU_LPC11UXX || CFG_TUSB_MCU == OPT_MCU_LPC13XX || CFG_TUSB_MCU == OPT_MCU_LPC51UXX) +/* Since 2012 starting with LPC11uxx, NXP start to use common USB Device Controller + * for almost their new MCUs. Currently supported and tested families are + * - LPC11Uxx + * - LPC13xx + * - LPC51Uxx + * + * For similar controller of other families, this file may require some minimal changes to work with. + * Previous MCUs such as LPC17xx, LPC40xx, LPC18xx, LPC43xx have their own driver implementation. + */ + +#if TUSB_OPT_DEVICE_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_LPC11UXX || \ + CFG_TUSB_MCU == OPT_MCU_LPC13XX || \ + CFG_TUSB_MCU == OPT_MCU_LPC51UXX ) #if CFG_TUSB_MCU == OPT_MCU_LPC11UXX || CFG_TUSB_MCU == OPT_MCU_LPC13XX // LPC11Uxx and LPC13xx use lpcopen @@ -53,12 +65,15 @@ #define SRAM_REGION 0x20000000 /* Although device controller are the same. DMA of - * - LPC11u can only transfer up to nbytes = 64 - * - LPC13 can transfer nbytes = 1023 (maximum) - * - LPC15 can ??? + * - M0/M+ can only transfer up to nbytes = 64 + * - M3/M4 can transfer nbytes = 1023 (maximum) */ enum { - DMA_NBYTES_MAX = (CFG_TUSB_MCU == OPT_MCU_LPC11UXX || CFG_TUSB_MCU == OPT_MCU_LPC51UXX) ? 64 : 1023 + #ifdef __ARM_ARCH_6M__ // Cortex M0/M0+ + DMA_NBYTES_MAX = 64 + #else + DMA_NBYTES_MAX = 1023 + #endif }; enum { |