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fix: correct 14.5 MHz to 12 MHz across all CBM projects

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- Update all docstrings from 14.5 MHz to 12 MHz XOSC (29 files)
- Fix 0x05_servo_cbm divider: INT=14/FRAC=8 (14.5) -> INT=12/FRAC=0 (12)
- Verified against RP2350 datasheet, Pico 2 board schematic, and SDK
This commit is contained in:
Kevin Thomas
2026-04-05 18:19:43 -04:00
parent 3ce9d081f7
commit a778d7fd3a
29 changed files with 40 additions and 41 deletions
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drivers/0x03_button_cbm/Inc/rp2350_delay.h
+1 -1
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@@ -4,7 +4,7 @@
* @author Kevin Thomas
* @brief Delay driver header for RP2350.
*
* Millisecond busy-wait delay calibrated for a 14.5 MHz clock.
* Millisecond busy-wait delay calibrated for a 12 MHz clock.
*
******************************************************************************
* @attention
drivers/0x03_button_cbm/Inc/rp2350_uart.h
+1 -1
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@@ -5,7 +5,7 @@
* @brief UART0 driver header for RP2350.
*
* Bare-metal UART0 driver supporting TX/RX on GPIO 0/1 at
* 115200 baud (14.5 MHz XOSC clock).
* 115200 baud (12 MHz XOSC clock).
*
******************************************************************************
* @attention
drivers/0x03_button_cbm/Src/rp2350_delay.c
+1 -1
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@@ -4,7 +4,7 @@
* @author Kevin Thomas
* @brief Delay driver implementation for RP2350.
*
* Busy-wait millisecond delay calibrated for a 14.5 MHz clock
* Busy-wait millisecond delay calibrated for a 12 MHz clock
* (3600 loop iterations per millisecond).
*
******************************************************************************
drivers/0x03_button_cbm/Src/rp2350_uart.c
+2 -2
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@@ -5,7 +5,7 @@
* @brief UART0 driver implementation for RP2350.
*
* Configures UART0 on GPIO 0 (TX) and GPIO 1 (RX) at 115200
* baud using the 14.5 MHz XOSC clock.
* baud using the 12 MHz XOSC clock.
*
******************************************************************************
* @attention
@@ -59,7 +59,7 @@ static void _uart_configure_pins(void)
}
/**
* @brief Set UART0 baud rate divisors for 115200 at 14.5 MHz.
* @brief Set UART0 baud rate divisors for 115200 at 12 MHz.
* @retval None
*/
static void _uart_set_baud(void)