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stm32-otm8009a's Introduction

BSP OTM8009A Component

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Overview

STM32Cube is an STMicroelectronics original initiative to ease developers' life by reducing efforts, time and cost.

STM32Cube covers the overall STM32 products portfolio. It includes a comprehensive embedded software platform delivered for each STM32 series.

  • The CMSIS modules (core and device) corresponding to the ARM(tm) core implemented in this STM32 product.
  • The STM32 HAL-LL drivers, an abstraction layer offering a set of APIs ensuring maximized portability across the STM32 portfolio.
  • The BSP drivers of each evaluation, demonstration or nucleo board provided for this STM32 series.
  • A consistent set of middleware libraries such as RTOS, USB, FatFS, graphics, touch sensing library...
  • A full set of software projects (basic examples, applications, and demonstrations) for each board provided for this STM32 series.

Two models of publication are proposed for the STM32Cube embedded software:

  • The monolithic MCU Package: all STM32Cube software modules of one STM32 series are present (Drivers, Middleware, Projects, Utilities) in the repository (usual name STM32Cubexx, xx corresponding to the STM32 series).
  • The MCU component: each STM32Cube software module being part of the STM32Cube MCU Package, is delivered as an individual repository, allowing the user to select and get only the required software functions.

Description

This otm8009a MCU component repository is one element common to all STM32Cube MCU embedded software packages, providing the OTM8009A BSP LCD component part.

Release note

Details about the content of this release are available in the release note here.

Compatibility information

Please refer to the repository of the BSP board driver you are using to know which version of this BSP component driver to use. It is crucial that you use a consistent set of versions. It is crucial that you use a consistent set of versions as indicated.

Troubleshooting

Please refer to the CONTRIBUTING.md guide.

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stm32-otm8009a's Issues

Missing release tag v1.0.5 (12-February-2021)

Describe the set-up

N/A - it's a poor release management issue on STMicroelectronics side.

Describe the bug (skip if none)

The latest release v1.0.5 for generation V1 BSP's is not reflected by this repository in branch bspv1.

How to reproduce the bug (skip if none)

Investigate the code base ๐Ÿ˜„ .

Additional context

The following chane is missing:

  • Set the PWM backlight frequency to over 22KHz to avoid audible noise.
diff --git a/otm8009a.c b/otm8009a.c
index b2fbb38..f2183d2 100644
--- a/otm8009a.c
+++ b/otm8009a.c
@@ -152,7 +152,7 @@ const uint8_t ShortRegData47[] = {0xC5, 0x66};
 const uint8_t ShortRegData48[] = {OTM8009A_CMD_NOP, 0xB6};
 const uint8_t ShortRegData49[] = {0xF5, 0x06};
 const uint8_t ShortRegData50[] = {OTM8009A_CMD_NOP, 0xB1};
-const uint8_t ShortRegData51[] = {0xC6, 0x06};
+const uint8_t ShortRegData51[] = {0xC6, 0x05};
 /**
   * @}
   */
@@ -353,7 +353,7 @@ uint8_t OTM8009A_Init(uint32_t ColorCoding, uint32_t orientation)
   DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData49);
   /////////////////////////////////////////////////////////////////////////////
 
-  /* CABC LEDPWM frequency adjusted to 19,5kHz */
+  /* CABC LEDPWM frequency adjusted to 22,7kHz */
   DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData50);
   DSI_IO_WriteCmd(0, (uint8_t *)ShortRegData51);

Screenshots

N/A

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