From 031e99994f495d584e3579cb3920dcc821d28ef1 Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Fri, 6 Apr 2018 21:52:09 +0200 Subject: shift register i2s impl --- code/fe310/eos/i2s_def.h | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) (limited to 'code/fe310/eos/i2s_def.h') diff --git a/code/fe310/eos/i2s_def.h b/code/fe310/eos/i2s_def.h index 4a7fd85..2b9d852 100644 --- a/code/fe310/eos/i2s_def.h +++ b/code/fe310/eos/i2s_def.h @@ -2,26 +2,22 @@ #define I2S_EVT_SPK 0x1 #define I2S_MAX_HANDLER 2 -#define I2S_PIN_SD 12 // pin 18 -// #define I2S_PIN_CK 19 // pin 3 #define I2S_PIN_CK 1 // pin 9 +#define I2S_PIN_CKE 12 // pin 18 +#define I2S_PIN_CKF 18 // pin 2 +#define I2S_PIN_SD 20 // pin 4 #define I2S_PIN_WS 11 // pin 17 #define I2S_PIN_LR 13 // pin 19 -#define I2S_IRQ_SD_ID (INT_PWM0_BASE + 2) -#define I2S_IRQ_CK_ID (INT_PWM0_BASE + 0) #define I2S_IRQ_WS_ID (INT_PWM2_BASE + 0) -#define I2S_IRQ_CI_ID (INT_PWM2_BASE + 2) +#define I2S_IRQ_SD_ID (INT_PWM2_BASE + 3) -#define I2S_IRQ_SD_PRIORITY 7 -#define I2S_IRQ_CK_PRIORITY 6 #define I2S_IRQ_WS_PRIORITY 6 -#define I2S_IRQ_CI_PRIORITY 7 -#define I2S_IRQ_MASK 5 +#define I2S_IRQ_SD_PRIORITY 7 #define I2S_SMPL_BITS 13 -#define I2S_SMPL_BITS_S 5 +#define I2S_IDLE_CYCLES 8 #define I2S_PWM_SCALE_CK 2 #define I2S_PWM_SCALE_CK_MASK 0x0003 -- cgit v1.2.3