From 89f1a685a02c7808cf03853aa9a5ee50c6baf49e Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Sun, 26 Aug 2012 09:43:34 -0700 Subject: [PATCH] altos: Allow sharing of radio DMA with aes engine otherwise, telefire doesn't have enough DMA channels. Signed-off-by: Keith Packard --- src/cc1111/ao_aes.c | 4 ++++ src/telefire-v0.1/ao_pins.h | 1 + src/telefire-v0.1/ao_telefire.c | 2 +- 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/src/cc1111/ao_aes.c b/src/cc1111/ao_aes.c index d50fecfb..0e32abf6 100644 --- a/src/cc1111/ao_aes.c +++ b/src/cc1111/ao_aes.c @@ -136,7 +136,11 @@ void ao_aes_init(void) { ao_aes_dma_in = ao_dma_alloc(&ao_aes_dma_in_done); +#if DMA_SHARE_AES_RADIO + ao_aes_dma_out = ao_radio_dma; +#else ao_aes_dma_out = ao_dma_alloc(&ao_aes_dma_out_done); +#endif S0CON = 0; ENCIE = 1; } diff --git a/src/telefire-v0.1/ao_pins.h b/src/telefire-v0.1/ao_pins.h index d3a9e9e3..eecf783e 100644 --- a/src/telefire-v0.1/ao_pins.h +++ b/src/telefire-v0.1/ao_pins.h @@ -53,6 +53,7 @@ #define HAS_ACCEL_REF 0 #define SPI_CS_ON_P1 1 #define HAS_AES 1 +#define DMA_SHARE_AES_RADIO 1 #define SPI_CS_PORT P1 #define SPI_CS_SEL P1SEL diff --git a/src/telefire-v0.1/ao_telefire.c b/src/telefire-v0.1/ao_telefire.c index c1335d66..210be08b 100644 --- a/src/telefire-v0.1/ao_telefire.c +++ b/src/telefire-v0.1/ao_telefire.c @@ -35,7 +35,7 @@ main(void) ao_storage_init(); ao_usb_init(); ao_radio_init(); -// ao_aes_init(); + ao_aes_init(); ao_pad_init(); ao_config_init(); ao_start_scheduler(); -- 2.30.2