diff options
| author | Keith Packard <keithp@keithp.com> | 2015-01-26 22:14:57 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2015-01-26 22:14:57 -0800 |
| commit | 729bb7a405460db8d44c9ff6ee903b28c7499a02 (patch) | |
| tree | f2184151a3f2dd2f7fef76f016a340c7a79f37d1 /src/stmf0/ao_interrupt.c | |
| parent | a01effc2f64c757c907e0f4937b4d3710b97bde0 (diff) | |
altos/stmf0: Add ADC and DMA APIs
The ADC api is what USBtrng wants; a way to repeatedly read a single
ADC input as fast as possible.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/stmf0/ao_interrupt.c')
| -rw-r--r-- | src/stmf0/ao_interrupt.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/stmf0/ao_interrupt.c b/src/stmf0/ao_interrupt.c index b6a3147f..c6d8ef34 100644 --- a/src/stmf0/ao_interrupt.c +++ b/src/stmf0/ao_interrupt.c @@ -74,6 +74,9 @@ void start(void) } #endif #if RELOCATE_INTERRUPT + /* Turn on syscfg */ + stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_SYSCFGCOMPEN); + memcpy(&__interrupt_start__, &__interrupt_rom__, &__interrupt_end__ - &__interrupt_start__); stm_syscfg.cfgr1 = (stm_syscfg.cfgr1 & ~(STM_SYSCFG_CFGR1_MEM_MODE_MASK << STM_SYSCFG_CFGR1_MEM_MODE)) | (STM_SYSCFG_CFGR1_MEM_MODE_SRAM << STM_SYSCFG_CFGR1_MEM_MODE); @@ -112,8 +115,8 @@ isr(exti2_3) isr(exti4_15) isr(tsc) isr(dma_ch1) -isr(dma_ch2_3_dma2_ch1_2) -isr(dma_ch4_5_6_7_dma2_ch3_4_5) +isr(dma_ch2_3) +isr(dma_ch4_5_6) isr(adc_comp) isr(tim1_brk_up_trg_com) isr(tim1_cc) @@ -157,8 +160,8 @@ const void *stm_interrupt_vector[] = { i(0x5c, exti4_15), i(0x60, tsc), i(0x64, dma_ch1), - i(0x68, dma_ch2_3_dma2_ch1_2), - i(0x6c, dma_ch4_5_6_7_dma2_ch3_4_5), + i(0x68, dma_ch2_3), + i(0x6c, dma_ch4_5_6), i(0x70, adc_comp), i(0x74, tim1_brk_up_trg_com), i(0x78, tim1_cc), |