ARM(IMX6U) bare metal article

This course is an introduction to ARM bare metal in the series of courses that Punctual Atomic teaches you step-by-step on how to learn Linux. The accompanying development board for this course is the Punctual Atomic alpha/mini Linux development board.

• Chapter 1：Development environment setup (28 minutes and 14 seconds)

• Chapter 2：Cross compiler installation (13 minutes and 43 seconds)

• Chapter 3：Installation and use of vscode software (34 minutes and 37 seconds)

• Chapter 4：Introduction to I.MX6U-ALPHA development board (26 minutes and 7 seconds)

• Chapter 5：Introduction to I.MX6U chip (35 minutes and 51 seconds)

• Chapter 6：Compilation of LED driver experiments-principle analysis (35 minutes and 30 seconds)

• Chapter 7：Assembly LED driver experiment-assembly basic syntax (28 minutes and 5 seconds)

• Chapter 8：Assembly LED driver experiment-driver writing (30 minutes and 54 seconds)

• Chapter 9：Assembly LED driver experiment-compiler program (22 minutes and 44 seconds)

• Chapter 10：Assemble LED driver experiment-burn the bin file to the SD card and run it (27 minutes and 42 seconds)

• Chapter 11：IMX boot mode-selection of boot device (36 minutes and 5 seconds)

• Chapter 12：IMX startup mode-detailed explanation of IVT table and BootData (31 minutes and 16 seconds)

• Chapter 13：IMX startup mode-detailed explanation of DCD data (20 minutes and 38 seconds)

• Chapter 14：C language version LED driver experiment-experimental principle analysis (26 minutes and 52 seconds)

• Chapter 15：C language version LED driver experiment-program writing and verification (39 minutes and 56 seconds)

• Chapter 16：Imitate STM32 driver development experiment-experimental program writing (31 minutes and 42 seconds)

• Chapter 17：Imitate STM32 driver development experiment-main function writing and download verification (18 minutes and 9 seconds)

• Chapter 18：NXP official SDK usage experiment-SDK transplantation (25 minutes and 41 seconds)

• Chapter 19：NXP official SDK usage experiment-program writing verification (36 minutes and 58 seconds)

• Chapter 20：BSP Engineering Management Experiment-Project Sorting and Programming (31 minutes and 15 seconds)

• Chapter 21：BSP Engineering Management Experiment-Writing a Common Makefile for Testing (34 minutes and 2 seconds)

• Chapter 22：buzzer experiment (25 minutes and 28 seconds)

• Chapter 23：Key input experiment-experimental program writing (32 minutes and 41 seconds)

• Chapter 24：Key input experiment-driver verification and debugging (14 minutes and 25 seconds)

• Chapter 25：Key input experiment-general GPIO driver writing and verification (24 minutes and 42 seconds)

• Chapter 26：Main frequency and clock configuration experiment-detailed explanation of clock tree (38 minutes and 5 seconds)

• Chapter 27：Main frequency and clock configuration experiment - main frequency modification (41 minutes and 15 seconds)

• Chapter 28：Main frequency and clock configuration experiment-8-channel PLL and 8-channel PFD clock settings (20 minutes and 1 seconds)

• Chapter 29：Main frequency and clock configuration experiment-other clock source settings (44 minutes and 9 seconds)

• Chapter 30：GPIO interrupt experiment-Cortex-A interrupt principle (41 minutes and 49 seconds)

• Chapter 31：GPIO interrupt experiment-writing of 6U interrupt vector table (35 minutes and 4 seconds)

• Chapter 32：GPIO interrupt experiment-writing of 6U reset interrupt service function (23 minutes and 12 seconds)

• Chapter 33：GPIO interrupt experiment-detailed explanation of IRQ interrupt service function (28 minutes and 3 seconds)

• Chapter 34：GPIO interrupt experiment-general interrupt driver writing (43 minutes and 14 seconds)

• Chapter 35：GPIO interrupt experiment-add interrupt processing function to GPIO driver (29 minutes and 54 seconds)

• Chapter 36：GPIO interrupt experiment-writing key interrupt driver (30 minutes and 11 seconds)

• Chapter 37：EPIT timer experiment-detailed explanation of EPIT principle (23 minutes and 42 seconds)

• Chapter 38：EPIT timer experiment-experimental program writing and verification (28 minutes and 37 seconds)

• Chapter 39：Timer button debouncing experiment (32 minutes and 23 seconds)

• Chapter 40：High-precision delay experiment-GPT timer principle (32 minutes and 30 seconds)

• Chapter 41：High-precision delay experiment-experimental code writing and testing (37 minutes and 32 seconds)

• Chapter 42：Serial port experiment-detailed explanation of serial port principle (36 minutes and 58 seconds)

• Chapter 43：Serial port experiment-compilation and verification of serial port driver experiment 1 (29 minutes and 53 seconds)

• Chapter 44：Serial port experiment-compilation and verification of serial port driver experiment 2 (30 minutes and 0 seconds)

• Chapter 45：Serial port experiment-printf format function transplantation and testing (29 minutes and 9 seconds)

• Chapter 46：DDR3 Experiment-A Brief Introduction to RAM Development History (41 minutes and 46 seconds)

• Chapter 47：DDR3 experiment-A brief analysis of DDR3 important time parameters, clock configuration and schematic diagram (27 minutes and 52 seconds)

• Chapter 48：DDR3 experiment-DDR3 initialization, calibration, overclocking test (38 minutes and 18 seconds)

• Chapter 49：RGBLCD experiment-detailed explanation of LCD display principle (41 minutes and 17 seconds)

• Chapter 50：RGBLCD experiment-LCD timing and time parameters (28 minutes and 51 seconds)

• Chapter 51：RGBLCD experiment-6ULL LCDIF interface register detailed explanation (36 minutes and 13 seconds)

• Chapter 52：RGBLCD experiment-6ULL pixel clock configuration detailed explanation (24 minutes and 32 seconds)

• Chapter 53：RGBLCD experiment-LCDID reading and IO initialization program writing (45 minutes and 11 seconds)

• Chapter 54：RGBLCD experiment-LCD time parameter and pixel clock setting program writing (44 minutes and 39 seconds)

• Chapter 55：RGBLCD experiment-LCDIF controller interface initialization program writing (31 minutes and 30 seconds)

• Chapter 56：RGBLCD experiment-LCDIF driver and API function test (28 minutes and 55 seconds)

• Chapter 57：RTC experiment-detailed explanation of 6U internal RTC (28 minutes and 28 seconds)

• Chapter 58：RTC experiment-driver writing and testing (44 minutes and 20 seconds)

• Chapter 59：RTC experiment-time error problem debugging (22 minutes and 5 seconds)

• Chapter 60：I2C experiment-detailed explanation of I2C protocol and 6U I2C controller (36 minutes and 44 seconds)

• Chapter 61：I2C experiment-AP3216C introduction and programming (27 minutes and 18 seconds)

• Chapter 62：I2C experiment-I2C host controller driver writing 1 (38 minutes and 35 seconds)

• Chapter 63：I2C experiment-I2C host controller driver writing 2 (33 minutes and 20 seconds)

• Chapter 64：I2C experiment-AP3216C programming (21 minutes and 19 seconds)

• Chapter 65：I2C experiment-AP3216C program debugging and bug resolution (20 minutes and 59 seconds)

• Chapter 66：SPI experiment-detailed explanation of SPI and ICM20608 (37 minutes and 24 seconds)

• Chapter 67：SPI experiment-6ULL SPI controller register detailed explanation (35 minutes and 24 seconds)

• Chapter 68：SPI experiment-6ULL SPI controller driver writing (33 minutes and 38 seconds)

• Chapter 69：SPI experiment-ICM20608 driver writing (37 minutes and 2 seconds)

• Chapter 70：SPI experiment-ICM20608 actual measurement value calculation and opening of 6ULL ​​hardware floating point (28 minutes and 32 seconds)

• Chapter 71：Multi-point capacitive touch screen experiment-detailed explanation of capacitive touch screen and FT series touch chip (33 minutes and 14 seconds)

• Chapter 72：Multi-point capacitive touch screen experiment-Capacitive touch screen driver writing 1 (35 minutes and 51 seconds)

• Chapter 73：Multi-point capacitive touch screen experiment-capacitive touch screen driver writing 2 (31 minutes and 4 seconds)

• Chapter 74：Multi-point capacitive touch screen experiment-capacitive touch drive test (16 minutes and 0 seconds)

• Chapter 75：PWM backlight experiment-6ULL PWM detailed explanation (33 minutes and 5 seconds)

• Chapter 76：PWM backlight experiment-PWM backlight driver writing (43 minutes and 11 seconds)