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https://github.com/hathach/tinyusb.git
synced 2025-03-13 19:19:18 +00:00
add unique id for imxrt
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parent
c6339204f4
commit
ea5deb0018
@ -24,8 +24,8 @@
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* This file is part of the TinyUSB stack.
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*/
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#ifndef _BOARD_API_H_
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#define _BOARD_API_H_
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#ifndef BOARD_API_H_
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#define BOARD_API_H_
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#ifdef __cplusplus
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extern "C" {
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@ -40,6 +40,7 @@
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#include "fsl_iomuxc.h"
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#include "fsl_clock.h"
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#include "fsl_lpuart.h"
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#include "fsl_ocotp.h"
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#ifdef __GNUC__
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#pragma GCC diagnostic pop
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@ -186,6 +187,29 @@ uint32_t board_button_read(void) {
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return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_PORT, BUTTON_PIN);
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}
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size_t board_get_unique_id(uint8_t id[], size_t max_len) {
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(void) max_len;
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#if FSL_FEATURE_OCOTP_HAS_TIMING_CTRL
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OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
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#else
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OCOTP_Init(OCOTP, 0u);
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#endif
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// Reads shadow registers 0x01 - 0x04 (Configuration and Manufacturing Info)
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// into 8 bit wide destination, avoiding punning.
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for (int i = 0; i < 4; ++i) {
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uint32_t wr = OCOTP_ReadFuseShadowRegister(OCOTP, i + 1);
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for (int j = 0; j < 4; j++) {
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id[i*4+j] = wr & 0xff;
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wr >>= 8;
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}
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}
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OCOTP_Deinit(OCOTP);
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return 16;
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}
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int board_uart_read(uint8_t* buf, int len) {
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int count = 0;
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@ -44,6 +44,7 @@ function(add_board_target BOARD_TARGET)
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${SDK_DIR}/drivers/igpio/fsl_gpio.c
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${SDK_DIR}/drivers/lpspi/fsl_lpspi.c
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${SDK_DIR}/drivers/lpuart/fsl_lpuart.c
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${SDK_DIR}/drivers/ocotp/fsl_ocotp.c
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${SDK_DIR}/devices/${MCU_VARIANT}/system_${MCU_VARIANT_WITH_CORE}.c
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${SDK_DIR}/devices/${MCU_VARIANT}/xip/fsl_flexspi_nor_boot.c
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${SDK_DIR}/devices/${MCU_VARIANT}/drivers/fsl_clock.c
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@ -75,6 +76,7 @@ function(add_board_target BOARD_TARGET)
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${SDK_DIR}/drivers/igpio
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${SDK_DIR}/drivers/lpspi
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${SDK_DIR}/drivers/lpuart
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${SDK_DIR}/drivers/ocotp
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)
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update_board(${BOARD_TARGET})
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