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I2S RX: Set RX SDA pin to correct SCUMUX mode.

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It's left in GPIO mode ordinarily, because of CPLD programming earlier in boot-up.
This commit is contained in:
Jared Boone 2017-05-26 16:50:34 -07:00
parent 5cb71d787e
commit b3ee884f16
2 changed files with 10 additions and 0 deletions
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4
firmware/application/audio.cpp
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@ -27,6 +27,7 @@ using portapack::clock_manager;
#include "wm8731.hpp" #include "wm8731.hpp"
using wolfson::wm8731::WM8731; using wolfson::wm8731::WM8731;
#include "portapack_hal.hpp"
#include "i2s.hpp" #include "i2s.hpp"
using namespace lpc43xx; using namespace lpc43xx;
@ -160,6 +161,9 @@ void init() {
i2s0_config_rx, i2s0_config_rx,
i2s0_config_dma i2s0_config_dma
); );
// Set pin mode, since it's likely GPIO (as left after CPLD JTAG interactions).
portapack::pin_i2s0_rx_sda.mode(3);
} }
void shutdown() { void shutdown() {

6
firmware/common/portapack_hal.hpp
View File

@ -56,6 +56,12 @@ constexpr GPIO gpio_cpld_tdo = gpio[GPIO1_8]; // P1_5
constexpr GPIO gpio_cpld_tck = gpio[GPIO3_0]; // P6_1 constexpr GPIO gpio_cpld_tck = gpio[GPIO3_0]; // P6_1
constexpr GPIO gpio_cpld_tdi = gpio[GPIO3_1]; // P6_2 constexpr GPIO gpio_cpld_tdi = gpio[GPIO3_1]; // P6_2
constexpr auto pin_i2s0_mclk = pins[CLK2];
constexpr auto pin_i2s0_sck = pins[P3_0];
constexpr auto pin_i2s0_ws = pins[P3_1];
constexpr auto pin_i2s0_tx_sda = pins[P3_2];
constexpr auto pin_i2s0_rx_sda = pins[P6_2];
} /* namespace portapack */ } /* namespace portapack */
#endif/*__PORTAPACK_HAL_H__*/ #endif/*__PORTAPACK_HAL_H__*/