ti_msp_dl_config.c 4.9 KB

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  1. /*
  2. * Copyright (c) 2023, Texas Instruments Incorporated
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. *
  9. * * Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. *
  12. * * Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. *
  16. * * Neither the name of Texas Instruments Incorporated nor the names of
  17. * its contributors may be used to endorse or promote products derived
  18. * from this software without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22. * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  24. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  25. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  26. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  27. * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  28. * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  29. * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  30. * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31. */
  32. /*
  33. * ============ ti_msp_dl_config.c =============
  34. * Configured MSPM0 DriverLib module definitions
  35. *
  36. * DO NOT EDIT - This file is generated for the MSPM0G350X
  37. * by the SysConfig tool.
  38. */
  39. #include "ti_msp_dl_config.h"
  40. /*
  41. * ======== SYSCFG_DL_init ========
  42. * Perform any initialization needed before using any board APIs
  43. */
  44. SYSCONFIG_WEAK void SYSCFG_DL_init(void)
  45. {
  46. SYSCFG_DL_initPower();
  47. SYSCFG_DL_GPIO_init();
  48. /* Module-Specific Initializations*/
  49. SYSCFG_DL_SYSCTL_init();
  50. SYSCFG_DL_I2C_controller_init();
  51. SYSCFG_DL_CRC_init();
  52. }
  53. SYSCONFIG_WEAK void SYSCFG_DL_initPower(void)
  54. {
  55. DL_GPIO_reset(GPIOA);
  56. DL_GPIO_reset(GPIOB);
  57. DL_I2C_reset(I2C_controller_INST);
  58. DL_CRC_reset(CRC);
  59. DL_GPIO_enablePower(GPIOA);
  60. DL_GPIO_enablePower(GPIOB);
  61. DL_I2C_enablePower(I2C_controller_INST);
  62. DL_CRC_enablePower(CRC);
  63. delay_cycles(POWER_STARTUP_DELAY);
  64. }
  65. SYSCONFIG_WEAK void SYSCFG_DL_GPIO_init(void)
  66. {
  67. DL_GPIO_initPeripheralInputFunctionFeatures(
  68. GPIO_I2C_controller_IOMUX_SDA, GPIO_I2C_controller_IOMUX_SDA_FUNC,
  69. DL_GPIO_INVERSION_DISABLE, DL_GPIO_RESISTOR_PULL_UP,
  70. DL_GPIO_HYSTERESIS_DISABLE, DL_GPIO_WAKEUP_DISABLE);
  71. DL_GPIO_initPeripheralInputFunctionFeatures(
  72. GPIO_I2C_controller_IOMUX_SCL, GPIO_I2C_controller_IOMUX_SCL_FUNC,
  73. DL_GPIO_INVERSION_DISABLE, DL_GPIO_RESISTOR_PULL_UP,
  74. DL_GPIO_HYSTERESIS_DISABLE, DL_GPIO_WAKEUP_DISABLE);
  75. DL_GPIO_enableHiZ(GPIO_I2C_controller_IOMUX_SDA);
  76. DL_GPIO_enableHiZ(GPIO_I2C_controller_IOMUX_SCL);
  77. }
  78. SYSCONFIG_WEAK void SYSCFG_DL_SYSCTL_init(void)
  79. {
  80. //Low Power Mode is configured to be SLEEP0
  81. DL_SYSCTL_setBORThreshold(DL_SYSCTL_BOR_THRESHOLD_LEVEL_0);
  82. DL_SYSCTL_setSYSOSCFreq(DL_SYSCTL_SYSOSC_FREQ_BASE);
  83. /* Set default configuration */
  84. DL_SYSCTL_disableHFXT();
  85. DL_SYSCTL_disableSYSPLL();
  86. }
  87. static const DL_I2C_ClockConfig gI2C_controllerClockConfig = {
  88. .clockSel = DL_I2C_CLOCK_BUSCLK,
  89. .divideRatio = DL_I2C_CLOCK_DIVIDE_1,
  90. };
  91. SYSCONFIG_WEAK void SYSCFG_DL_I2C_controller_init(void) {
  92. DL_I2C_setClockConfig(I2C_controller_INST,
  93. (DL_I2C_ClockConfig *) &gI2C_controllerClockConfig);
  94. DL_I2C_disableAnalogGlitchFilter(I2C_controller_INST);
  95. /* Configure Controller Mode */
  96. DL_I2C_resetControllerTransfer(I2C_controller_INST);
  97. /* Set frequency to 100000 Hz*/
  98. DL_I2C_setTimerPeriod(I2C_controller_INST, 31);
  99. DL_I2C_setControllerTXFIFOThreshold(I2C_controller_INST, DL_I2C_TX_FIFO_LEVEL_BYTES_1);
  100. DL_I2C_setControllerRXFIFOThreshold(I2C_controller_INST, DL_I2C_RX_FIFO_LEVEL_BYTES_1);
  101. DL_I2C_enableControllerClockStretching(I2C_controller_INST);
  102. /* Configure Interrupts */
  103. DL_I2C_enableInterrupt(I2C_controller_INST,
  104. DL_I2C_INTERRUPT_CONTROLLER_ARBITRATION_LOST |
  105. DL_I2C_INTERRUPT_CONTROLLER_NACK |
  106. DL_I2C_INTERRUPT_CONTROLLER_RXFIFO_TRIGGER |
  107. DL_I2C_INTERRUPT_CONTROLLER_RX_DONE |
  108. DL_I2C_INTERRUPT_CONTROLLER_TX_DONE);
  109. /* Enable module */
  110. DL_I2C_enableController(I2C_controller_INST);
  111. }
  112. SYSCONFIG_WEAK void SYSCFG_DL_CRC_init(void)
  113. {
  114. DL_CRC_init(CRC, DL_CRC_16_POLYNOMIAL, DL_CRC_BIT_NOT_REVERSED,
  115. DL_CRC_INPUT_ENDIANESS_LITTLE_ENDIAN, DL_CRC_OUTPUT_BYTESWAP_DISABLED);
  116. DL_CRC_setSeed16(CRC, CRC_SEED);
  117. }