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Robin Krens [Tue, 30 Jul 2019 20:11:42 +0000 (04:11 +0800)]
HSE usage
High speed external clock set to 36 MHz, 72MHz speeds crashed on board.
No changes to buspeeds. Adaptions to UART baud rates.
Robin Krens [Sun, 28 Jul 2019 20:00:58 +0000 (04:00 +0800)]
tm1637 signs of life, terminal builtin cmds
Robin Krens [Thu, 25 Jul 2019 14:33:25 +0000 (22:33 +0800)]
basic led gpio driver
Robin Krens [Wed, 24 Jul 2019 20:26:08 +0000 (04:26 +0800)]
tested working terminal and reordering of code
Robin Krens [Tue, 23 Jul 2019 19:00:45 +0000 (03:00 +0800)]
basic terminal
Robin Krens [Mon, 22 Jul 2019 18:22:23 +0000 (02:22 +0800)]
fixed-sized memory pool allocator
Robin Krens [Fri, 19 Jul 2019 18:55:07 +0000 (02:55 +0800)]
small system SRAM info output
Small sysinfo output of SRAM memory, stack and used memory so far
Robin Krens [Fri, 19 Jul 2019 15:37:48 +0000 (23:37 +0800)]
further ivt and isr implementation
general (dummy) exception or interrupt handlers show exception number
(from VTOR status register)
Robin Krens [Thu, 18 Jul 2019 16:55:33 +0000 (00:55 +0800)]
uart small ping pong receive, update of register functions
no priorities, so one handler might keep 霸占 the CPU
Robin Krens [Mon, 15 Jul 2019 16:58:54 +0000 (00:58 +0800)]
basic memory management and uart wait fix
Robin Krens [Sun, 14 Jul 2019 17:38:53 +0000 (01:38 +0800)]
uart functionality (delay) + interrupt tested
Robin Krens [Sat, 13 Jul 2019 16:13:52 +0000 (00:13 +0800)]
basic uart functionality (not tested)
Robin Krens [Wed, 10 Jul 2019 20:11:15 +0000 (04:11 +0800)]
implementation of interrupts, SysTick exception
Robin Krens [Wed, 10 Jul 2019 10:40:58 +0000 (18:40 +0800)]
init vector implementation
Robin Krens [Tue, 9 Jul 2019 06:24:26 +0000 (14:24 +0800)]
print to uart0 [note: always printed on screen through DMA]
Robin Krens [Mon, 8 Jul 2019 13:39:02 +0000 (21:39 +0800)]
jump to c
Robin Krens [Fri, 5 Jul 2019 09:49:05 +0000 (17:49 +0800)]
static RAM (.data) usage
Robin Krens [Fri, 5 Jul 2019 09:09:55 +0000 (17:09 +0800)]
first commit, basic setup and makefile