Demo PAH8011+HeartRate on nRF52
Dependencies: mbed pixart_heart_rate_demo pixart_heart_rate_lib_keil_m4
main.cpp@0:a6408c845aba, 2017-10-27 (annotated)
- Committer:
- pixus_mbed
- Date:
- Fri Oct 27 08:53:49 2017 +0000
- Revision:
- 0:a6408c845aba
- Child:
- 1:3abb06bb21c5
Init version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
pixus_mbed | 0:a6408c845aba | 1 | |
pixus_mbed | 0:a6408c845aba | 2 | #include "mbed.h" |
pixus_mbed | 0:a6408c845aba | 3 | #include "system_clock.h" |
pixus_mbed | 0:a6408c845aba | 4 | |
pixus_mbed | 0:a6408c845aba | 5 | #include "pixart_pah8011.h" |
pixus_mbed | 0:a6408c845aba | 6 | #include "pixart_heart_rate.h" |
pixus_mbed | 0:a6408c845aba | 7 | |
pixus_mbed | 0:a6408c845aba | 8 | |
pixus_mbed | 0:a6408c845aba | 9 | static Serial pc(USBTX, USBRX); |
pixus_mbed | 0:a6408c845aba | 10 | static I2C i2c(I2C_SDA0, I2C_SCL0); |
pixus_mbed | 0:a6408c845aba | 11 | static InterruptIn pah8011_interrupt(p13); |
pixus_mbed | 0:a6408c845aba | 12 | |
pixus_mbed | 0:a6408c845aba | 13 | static volatile bool has_pah8011_interrupt = false; |
pixus_mbed | 0:a6408c845aba | 14 | static uint64_t pah8011_interrupt_timestamp = 0; |
pixus_mbed | 0:a6408c845aba | 15 | |
pixus_mbed | 0:a6408c845aba | 16 | |
pixus_mbed | 0:a6408c845aba | 17 | static void error_handler() |
pixus_mbed | 0:a6408c845aba | 18 | { |
pixus_mbed | 0:a6408c845aba | 19 | pc.printf("error_handler()!\n"); |
pixus_mbed | 0:a6408c845aba | 20 | |
pixus_mbed | 0:a6408c845aba | 21 | while (true) |
pixus_mbed | 0:a6408c845aba | 22 | { |
pixus_mbed | 0:a6408c845aba | 23 | } |
pixus_mbed | 0:a6408c845aba | 24 | } |
pixus_mbed | 0:a6408c845aba | 25 | |
pixus_mbed | 0:a6408c845aba | 26 | static void debug_print(const char *fmt, ...) |
pixus_mbed | 0:a6408c845aba | 27 | { |
pixus_mbed | 0:a6408c845aba | 28 | char msg[128]; |
pixus_mbed | 0:a6408c845aba | 29 | va_list marker; |
pixus_mbed | 0:a6408c845aba | 30 | va_start(marker, fmt); |
pixus_mbed | 0:a6408c845aba | 31 | vsprintf(msg, fmt, marker); |
pixus_mbed | 0:a6408c845aba | 32 | va_end(marker); |
pixus_mbed | 0:a6408c845aba | 33 | pc.printf(msg); |
pixus_mbed | 0:a6408c845aba | 34 | } |
pixus_mbed | 0:a6408c845aba | 35 | |
pixus_mbed | 0:a6408c845aba | 36 | static void pah8011_interrupt_handle(void) |
pixus_mbed | 0:a6408c845aba | 37 | { |
pixus_mbed | 0:a6408c845aba | 38 | has_pah8011_interrupt = true; |
pixus_mbed | 0:a6408c845aba | 39 | pah8011_interrupt_timestamp = system_clock_get_tick(); |
pixus_mbed | 0:a6408c845aba | 40 | } |
pixus_mbed | 0:a6408c845aba | 41 | |
pixus_mbed | 0:a6408c845aba | 42 | static uint64_t time_to_millisec(uint64_t time) |
pixus_mbed | 0:a6408c845aba | 43 | { |
pixus_mbed | 0:a6408c845aba | 44 | return system_clock_time_to_milliseconds(time); |
pixus_mbed | 0:a6408c845aba | 45 | } |
pixus_mbed | 0:a6408c845aba | 46 | |
pixus_mbed | 0:a6408c845aba | 47 | int main(void) |
pixus_mbed | 0:a6408c845aba | 48 | { |
pixus_mbed | 0:a6408c845aba | 49 | // system clock |
pixus_mbed | 0:a6408c845aba | 50 | system_clock_init(); |
pixus_mbed | 0:a6408c845aba | 51 | |
pixus_mbed | 0:a6408c845aba | 52 | // serial port |
pixus_mbed | 0:a6408c845aba | 53 | pc.baud(115200); |
pixus_mbed | 0:a6408c845aba | 54 | pc.printf("Pixart PAH8011 demo\n"); |
pixus_mbed | 0:a6408c845aba | 55 | |
pixus_mbed | 0:a6408c845aba | 56 | // interrupt |
pixus_mbed | 0:a6408c845aba | 57 | pah8011_interrupt.rise(pah8011_interrupt_handle); |
pixus_mbed | 0:a6408c845aba | 58 | |
pixus_mbed | 0:a6408c845aba | 59 | // heart_rate |
pixus_mbed | 0:a6408c845aba | 60 | pixart::heart_rate heart_rate(time_to_millisec); |
pixus_mbed | 0:a6408c845aba | 61 | heart_rate.enable_debug_print(debug_print); |
pixus_mbed | 0:a6408c845aba | 62 | if (!heart_rate.init()) |
pixus_mbed | 0:a6408c845aba | 63 | { |
pixus_mbed | 0:a6408c845aba | 64 | pc.printf("heart_rate.init() failed\n"); |
pixus_mbed | 0:a6408c845aba | 65 | error_handler(); |
pixus_mbed | 0:a6408c845aba | 66 | } |
pixus_mbed | 0:a6408c845aba | 67 | |
pixus_mbed | 0:a6408c845aba | 68 | // pah8011 |
pixus_mbed | 0:a6408c845aba | 69 | pixart::pah8011 pah8011; |
pixus_mbed | 0:a6408c845aba | 70 | pah8011.enable_debug_print(debug_print); |
pixus_mbed | 0:a6408c845aba | 71 | if (!pah8011.init(i2c)) |
pixus_mbed | 0:a6408c845aba | 72 | { |
pixus_mbed | 0:a6408c845aba | 73 | pc.printf("pah8011.init() failed\n"); |
pixus_mbed | 0:a6408c845aba | 74 | error_handler(); |
pixus_mbed | 0:a6408c845aba | 75 | } |
pixus_mbed | 0:a6408c845aba | 76 | if (!pah8011.enable_ppg()) |
pixus_mbed | 0:a6408c845aba | 77 | { |
pixus_mbed | 0:a6408c845aba | 78 | pc.printf("pah8011.enable_ppg() failed\n"); |
pixus_mbed | 0:a6408c845aba | 79 | error_handler(); |
pixus_mbed | 0:a6408c845aba | 80 | } |
pixus_mbed | 0:a6408c845aba | 81 | |
pixus_mbed | 0:a6408c845aba | 82 | while(true) |
pixus_mbed | 0:a6408c845aba | 83 | { |
pixus_mbed | 0:a6408c845aba | 84 | if (has_pah8011_interrupt) |
pixus_mbed | 0:a6408c845aba | 85 | { |
pixus_mbed | 0:a6408c845aba | 86 | has_pah8011_interrupt = false; |
pixus_mbed | 0:a6408c845aba | 87 | |
pixus_mbed | 0:a6408c845aba | 88 | if (!pah8011.task()) |
pixus_mbed | 0:a6408c845aba | 89 | { |
pixus_mbed | 0:a6408c845aba | 90 | pc.printf("pah8011.task() failed\n"); |
pixus_mbed | 0:a6408c845aba | 91 | error_handler(); |
pixus_mbed | 0:a6408c845aba | 92 | } |
pixus_mbed | 0:a6408c845aba | 93 | |
pixus_mbed | 0:a6408c845aba | 94 | pixart::pah8011::task_result result; |
pixus_mbed | 0:a6408c845aba | 95 | if (pah8011.get_result(result)) |
pixus_mbed | 0:a6408c845aba | 96 | { |
pixus_mbed | 0:a6408c845aba | 97 | if (result.ch_num != 2) |
pixus_mbed | 0:a6408c845aba | 98 | error_handler(); |
pixus_mbed | 0:a6408c845aba | 99 | |
pixus_mbed | 0:a6408c845aba | 100 | for (uint32_t i = 0; i < result.num_per_ch; ++i) |
pixus_mbed | 0:a6408c845aba | 101 | { |
pixus_mbed | 0:a6408c845aba | 102 | pixart::heart_rate::ppg_sample ppg_sample; |
pixus_mbed | 0:a6408c845aba | 103 | ppg_sample.ch1 = result.data[i * result.ch_num + 0]; |
pixus_mbed | 0:a6408c845aba | 104 | ppg_sample.ch2 = result.data[i * result.ch_num + 1]; |
pixus_mbed | 0:a6408c845aba | 105 | ppg_sample.is_touched = result.is_touched; |
pixus_mbed | 0:a6408c845aba | 106 | ppg_sample.timestamp = pah8011_interrupt_timestamp; |
pixus_mbed | 0:a6408c845aba | 107 | heart_rate.set_ppg_sample(ppg_sample); |
pixus_mbed | 0:a6408c845aba | 108 | |
pixus_mbed | 0:a6408c845aba | 109 | pixart::heart_rate::accel_sample accel_sample; |
pixus_mbed | 0:a6408c845aba | 110 | accel_sample.x = 0.0f; |
pixus_mbed | 0:a6408c845aba | 111 | accel_sample.y = 0.0f; |
pixus_mbed | 0:a6408c845aba | 112 | accel_sample.z = 0.0f; |
pixus_mbed | 0:a6408c845aba | 113 | accel_sample.timestamp = pah8011_interrupt_timestamp; |
pixus_mbed | 0:a6408c845aba | 114 | heart_rate.set_accel_sample(accel_sample); |
pixus_mbed | 0:a6408c845aba | 115 | |
pixus_mbed | 0:a6408c845aba | 116 | } |
pixus_mbed | 0:a6408c845aba | 117 | |
pixus_mbed | 0:a6408c845aba | 118 | pixart::heart_rate::result hr_result = heart_rate.get_result(); |
pixus_mbed | 0:a6408c845aba | 119 | if (hr_result.ret == pixart::heart_rate::ret_success) |
pixus_mbed | 0:a6408c845aba | 120 | { |
pixus_mbed | 0:a6408c845aba | 121 | pc.printf("time = %llu, hr = %d, hr_trust_level = %d\n", pah8011_interrupt_timestamp, (int)hr_result.hr, hr_result.hr_trust_level); |
pixus_mbed | 0:a6408c845aba | 122 | } |
pixus_mbed | 0:a6408c845aba | 123 | } |
pixus_mbed | 0:a6408c845aba | 124 | } |
pixus_mbed | 0:a6408c845aba | 125 | } |
pixus_mbed | 0:a6408c845aba | 126 | } |
pixus_mbed | 0:a6408c845aba | 127 |